diff --git a/.idea/deploymentTargetSelector.xml b/.idea/deploymentTargetSelector.xml
index b268ef3..7ed1c0d 100644
--- a/.idea/deploymentTargetSelector.xml
+++ b/.idea/deploymentTargetSelector.xml
@@ -4,6 +4,14 @@
     <selectionStates>
       <SelectionState runConfigName="app">
         <option name="selectionMode" value="DROPDOWN" />
+        <DropdownSelection timestamp="2024-11-27T02:15:16.043756Z">
+          <Target type="DEFAULT_BOOT">
+            <handle>
+              <DeviceId pluginId="LocalEmulator" identifier="path=/Users/yovinchen/.android/avd/Pixel_7a_API_34.avd" />
+            </handle>
+          </Target>
+        </DropdownSelection>
+        <DialogSelection />
       </SelectionState>
     </selectionStates>
   </component>
diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index ae733f1..7b3006b 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
diff --git a/.idea/studiobot.xml b/.idea/studiobot.xml
new file mode 100644
index 0000000..539e3b8
--- /dev/null
+++ b/.idea/studiobot.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="StudioBotProjectSettings">
+    <option name="shareContext" value="OptedIn" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/README.md b/README.md
index 91c18c4..d428787 100644
--- a/README.md
+++ b/README.md
@@ -1,103 +1,59 @@
-# Bookkeeping App
+# 轻记账 (Lightweight Bookkeeping)
 
-一个基于 Jetpack Compose 开发的现代化记账应用。
+一个轻量级的个人记账应用，专注于隐私和离线使用。
 
-## 项目概述
+## 🌟 特点
 
-本项目是一个使用 Kotlin 和 Jetpack Compose 开发的 Android 记账应用，采用 MVVM 架构，提供简洁直观的用户界面和丰富的记账功能。
+- 🔒 完全离线运行，无需网络连接
+- 📱 极简权限要求，仅使用必要的系统权限
+- 💰 支持收入和支出记录
+- 👥 支持多人记账
+- 📊 按日期和类别统计
+- 🎨 Material You 设计风格
 
-## 主要特性
+## 🛠 技术栈
 
-- 💰 收入/支出记录管理
-- 👥 成员管理系统
-- 📊 分类管理系统
-- 📅 自定义日期选择器
-- 📈 月度统计视图
-- 🎨 Material 3 设计风格
+- 语言：Kotlin
+- UI框架：Jetpack Compose
+- 数据库：Room
+- 架构：MVVM
 
-## 技术栈
+## 📱 功能
 
-- 开发语言：Kotlin
-- UI 框架：Jetpack Compose
-- 架构模式：MVVM
-- 数据存储：Room Database
-- 依赖注入：Hilt
-- 异步处理：Kotlin Coroutines
+### 记账管理
+- 收入和支出记录
+- 自定义分类管理
+- 日期和时间选择
+- 备注说明
 
-## 开发计划
+### 成员管理
+- 多人记账支持
+- 成员关联记录
+- 按成员筛选统计
 
-### 0. 基础功能 (已完成)
-- [x] 收入/支出记录管理
-- [x] 分类管理系统
-  - [x] 默认分类
-  - [x] 自定义分类
-  - [x] 分类编辑/删除
-- [x] 自定义日期选择器
-- [x] Material 3 设计界面
-- [x] 深色/浅色主题切换
-- [x] 主题色自定义
+### 数据统计
+- 月度收支统计
+- 分类统计
+- 每日收支明细
 
-### 1. 成员管理功能 (feature/member)
-- [ ] 成员添加/编辑/删除
-- [ ] 记账时选择相关成员
-- [ ] 成员消费统计
-- [ ] 成员间账单分摊
+## 🔒 隐私保护
 
-### 2. 数据统计与可视化 (feature/statistics)
-- [ ] 支出/收入趋势图表
-- [ ] 分类占比饼图
-- [ ] 月度/年度报表
+- 完全离线运行，数据存储在本地
+- 无需任何网络权限
+- 最小化系统权限要求
 
-### 3. 数据导出与备份 (feature/backup)
-- [ ] 导出 CSV/Excel 功能
-- [ ] 云端备份支持
-- [ ] 数据迁移工具
+## 📝 系统要求
 
-### 4. 预算管理 (feature/budget)
-- [ ] 月度预算设置
-- [ ] 预算超支提醒
-- [ ] 分类预算管理
+- Android 5.0 (API 21) 或更高版本
+- 存储权限（用于数据备份，可选）
 
-### 5. 用户体验优化 (feature/ux-enhancement)
-- [x] 深色模式支持
-- [ ] 手势操作优化
-- [ ] 快速记账小组件
-- [ ] 多语言支持
+## 🔜 未来计划
 
-### 6. 性能优化 (feature/performance)
-- [ ] 大数据量处理优化
-- [ ] 启动速度优化
-- [ ] 内存使用优化
+- [ ] 数据导出和备份
+- [ ] 预算管理
+- [ ] 更多统计图表
+- [ ] 自定义主题
 
-## 分支管理
+## 📄 许可证
 
-- `master`: 稳定主分支
-- `develop`: 主开发分支
-- `feature/*`: 功能开发分支
-- `release/*`: 版本发布分支
-
-## 版本历史
-
-### v1.0.0
-- ✨ 基础记账功能
-  - 收入/支出记录
-  - 金额、日期、分类、备注管理
-- 🎨 Material 3 设计界面
-  - 深色/浅色主题切换
-  - 主题色自定义
-- 📊 分类管理
-  - 默认分类预设
-  - 自定义分类支持
-  - 分类编辑与删除
-- 📅 月度统计
-  - 月度收支总览
-  - 月份快速切换
-- 🗓️ 自定义日期选择器
-
-## 贡献指南
-
-欢迎提交 Issue 和 Pull Request 来帮助改进项目。
-
-## 许可证
-
-本项目采用 MIT 许可证。
+[MIT License](LICENSE)
diff --git a/app/src/main/java/com/yovinchen/bookkeeping/data/BookkeepingDao.kt b/app/src/main/java/com/yovinchen/bookkeeping/data/BookkeepingDao.kt
index 9bd65f1..78aea1a 100644
--- a/app/src/main/java/com/yovinchen/bookkeeping/data/BookkeepingDao.kt
+++ b/app/src/main/java/com/yovinchen/bookkeeping/data/BookkeepingDao.kt
@@ -12,50 +12,42 @@ interface BookkeepingDao {
     @Query("SELECT * FROM bookkeeping_records ORDER BY date DESC")
     fun getAllRecords(): Flow<List<BookkeepingRecord>>
 
-    @Insert
-    suspend fun insertRecord(record: BookkeepingRecord)
+    @Query("SELECT * FROM bookkeeping_records WHERE memberId = :memberId OR memberId IS NULL ORDER BY date DESC")
+    fun getRecordsByMember(memberId: Int): Flow<List<BookkeepingRecord>>
 
-    @Delete
-    suspend fun deleteRecord(record: BookkeepingRecord)
+    @Query("SELECT * FROM bookkeeping_records WHERE date BETWEEN :startDate AND :endDate ORDER BY date DESC")
+    fun getRecordsByDateRange(startDate: Date, endDate: Date): Flow<List<BookkeepingRecord>>
+
+    @Query("SELECT * FROM bookkeeping_records WHERE (memberId = :memberId OR memberId IS NULL) AND date BETWEEN :startDate AND :endDate ORDER BY date DESC")
+    fun getRecordsByMemberAndDateRange(memberId: Int, startDate: Date, endDate: Date): Flow<List<BookkeepingRecord>>
+
+    @Query("SELECT * FROM bookkeeping_records WHERE type = :type ORDER BY date DESC")
+    fun getRecordsByType(type: TransactionType): Flow<List<BookkeepingRecord>>
+
+    @Query("SELECT SUM(amount) FROM bookkeeping_records WHERE type = :type AND (memberId = :memberId OR memberId IS NULL)")
+    fun getTotalAmountByType(type: TransactionType, memberId: Int? = null): Flow<Double?>
+
+    @Insert
+    suspend fun insertRecord(record: BookkeepingRecord): Long
 
     @Update
     suspend fun updateRecord(record: BookkeepingRecord)
 
-    @Query("SELECT * FROM bookkeeping_records WHERE type = 'INCOME'")
-    fun getAllIncome(): Flow<List<BookkeepingRecord>>
+    @Delete
+    suspend fun deleteRecord(record: BookkeepingRecord)
 
-    @Query("SELECT * FROM bookkeeping_records WHERE type = 'EXPENSE'")
-    fun getAllExpense(): Flow<List<BookkeepingRecord>>
-
-    // 按日期查询
-    @Query("SELECT * FROM bookkeeping_records WHERE date >= :startOfDay AND date < :endOfDay ORDER BY date DESC")
-    fun getRecordsByDate(startOfDay: Date, endOfDay: Date): Flow<List<BookkeepingRecord>>
-
-    // 按日期范围查询
-    @Query("SELECT * FROM bookkeeping_records WHERE date BETWEEN :startDate AND :endDate ORDER BY date DESC")
-    fun getRecordsByDateRange(startDate: Date, endDate: Date): Flow<List<BookkeepingRecord>>
-
-    // 按类别查询
-    @Query("SELECT * FROM bookkeeping_records WHERE category = :category ORDER BY date DESC")
-    fun getRecordsByCategory(category: String): Flow<List<BookkeepingRecord>>
-
-    // 按类型查询
-    @Query("SELECT * FROM bookkeeping_records WHERE type = :type ORDER BY date DESC")
-    fun getRecordsByType(type: TransactionType): Flow<List<BookkeepingRecord>>
-
-    // Category related queries
     @Query("SELECT * FROM categories WHERE type = :type ORDER BY name ASC")
     fun getCategoriesByType(type: TransactionType): Flow<List<Category>>
 
     @Insert
-    suspend fun insertCategory(category: Category)
-
-    @Delete
-    suspend fun deleteCategory(category: Category)
+    suspend fun insertCategory(category: Category): Long
 
     @Update
     suspend fun updateCategory(category: Category)
 
+    @Delete
+    suspend fun deleteCategory(category: Category)
+
     @Query("SELECT EXISTS(SELECT 1 FROM bookkeeping_records WHERE category = :categoryName LIMIT 1)")
     suspend fun isCategoryInUse(categoryName: String): Boolean
 
diff --git a/app/src/main/java/com/yovinchen/bookkeeping/data/BookkeepingDatabase.kt b/app/src/main/java/com/yovinchen/bookkeeping/data/BookkeepingDatabase.kt
index 5700119..7d74855 100644
--- a/app/src/main/java/com/yovinchen/bookkeeping/data/BookkeepingDatabase.kt
+++ b/app/src/main/java/com/yovinchen/bookkeeping/data/BookkeepingDatabase.kt
@@ -11,159 +11,164 @@ import androidx.sqlite.db.SupportSQLiteDatabase
 import com.yovinchen.bookkeeping.model.BookkeepingRecord
 import com.yovinchen.bookkeeping.model.Category
 import com.yovinchen.bookkeeping.model.Converters
+import com.yovinchen.bookkeeping.model.Member
 import com.yovinchen.bookkeeping.model.TransactionType
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 
-@Database(entities = [BookkeepingRecord::class, Category::class], version = 2, exportSchema = false)
+@Database(
+    entities = [BookkeepingRecord::class, Category::class, Member::class],
+    version = 3,
+    exportSchema = false
+)
 @TypeConverters(Converters::class)
 abstract class BookkeepingDatabase : RoomDatabase() {
     abstract fun bookkeepingDao(): BookkeepingDao
+    abstract fun categoryDao(): CategoryDao
+    abstract fun memberDao(): MemberDao
 
     companion object {
         private const val TAG = "BookkeepingDatabase"
-        
-        @Volatile
-        private var Instance: BookkeepingDatabase? = null
 
         private val MIGRATION_1_2 = object : Migration(1, 2) {
-            override fun migrate(db: SupportSQLiteDatabase) {
-                try {
-                    Log.d(TAG, "Starting migration from version 1 to 2")
-                    
-                    // 检查表是否存在
-                    val cursor = db.query("SELECT name FROM sqlite_master WHERE type='table' AND name='categories'")
-                    val tableExists = cursor.moveToFirst()
-                    cursor.close()
-                    
-                    if (tableExists) {
-                        // 如果表存在，执行迁移
-                        Log.d(TAG, "Categories table exists, performing migration")
-                        db.execSQL("ALTER TABLE categories RENAME TO categories_old")
-                        
-                        db.execSQL("""
-                            CREATE TABLE categories (
-                                id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
-                                name TEXT NOT NULL,
-                                type TEXT NOT NULL
-                            )
-                        """)
-                        
-                        db.execSQL("""
-                            INSERT INTO categories (name, type)
-                            SELECT name, type FROM categories_old
-                        """)
-                        
-                        db.execSQL("DROP TABLE categories_old")
-                    } else {
-                        // 如果表不存在，直接创建新表
-                        Log.d(TAG, "Categories table does not exist, creating new table")
-                        db.execSQL("""
-                            CREATE TABLE IF NOT EXISTS categories (
-                                id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
-                                name TEXT NOT NULL,
-                                type TEXT NOT NULL
-                            )
-                        """)
-                    }
-                    
-                    // 确保 bookkeeping_records 表存在
-                    db.execSQL("""
-                        CREATE TABLE IF NOT EXISTS bookkeeping_records (
-                            id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
-                            type TEXT NOT NULL,
-                            amount REAL NOT NULL,
-                            category TEXT NOT NULL,
-                            description TEXT NOT NULL,
-                            date INTEGER NOT NULL
-                        )
-                    """)
-                    
-                    Log.d(TAG, "Migration completed successfully")
-                } catch (e: Exception) {
-                    Log.e(TAG, "Error during migration", e)
-                    throw e
-                }
+            override fun migrate(database: SupportSQLiteDatabase) {
+                // 创建成员表
+                database.execSQL("""
+                    CREATE TABLE IF NOT EXISTS members (
+                        id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+                        name TEXT NOT NULL,
+                        description TEXT NOT NULL DEFAULT ''
+                    )
+                """)
+                
+                // 插入默认成员
+                database.execSQL("""
+                    INSERT INTO members (name, description)
+                    VALUES ('自己', '默认成员')
+                """)
+
+                // 修改记账记录表，添加成员ID字段
+                database.execSQL("""
+                    ALTER TABLE bookkeeping_records
+                    ADD COLUMN memberId INTEGER DEFAULT NULL
+                    REFERENCES members(id) ON DELETE SET NULL
+                """)
+
+                // 更新现有记录，将其关联到默认成员
+                database.execSQL("""
+                    UPDATE bookkeeping_records
+                    SET memberId = (SELECT id FROM members WHERE name = '我自己')
+                """)
             }
         }
 
-        private suspend fun populateDefaultCategories(dao: BookkeepingDao) {
-            try {
-                Log.d(TAG, "Starting to populate default categories")
-                // 支出类别
-                listOf(
-                    "餐饮",
-                    "交通",
-                    "购物",
-                    "娱乐",
-                    "医疗",
-                    "住房",
-                    "其他支出"
-                ).forEach { name ->
-                    try {
-                        dao.insertCategory(Category(name = name, type = TransactionType.EXPENSE))
-                        Log.d(TAG, "Added expense category: $name")
-                    } catch (e: Exception) {
-                        Log.e(TAG, "Error adding expense category: $name", e)
-                    }
-                }
-                
-                // 收入类别
-                listOf(
-                    "工资",
-                    "奖金",
-                    "投资",
-                    "其他收入"
-                ).forEach { name ->
-                    try {
-                        dao.insertCategory(Category(name = name, type = TransactionType.INCOME))
-                        Log.d(TAG, "Added income category: $name")
-                    } catch (e: Exception) {
-                        Log.e(TAG, "Error adding income category: $name", e)
-                    }
-                }
-                Log.d(TAG, "Finished populating default categories")
-            } catch (e: Exception) {
-                Log.e(TAG, "Error during category population", e)
+        private val MIGRATION_2_3 = object : Migration(2, 3) {
+            override fun migrate(database: SupportSQLiteDatabase) {
+                // 重新创建记账记录表
+                database.execSQL("""
+                    CREATE TABLE IF NOT EXISTS bookkeeping_records_new (
+                        id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+                        amount REAL NOT NULL,
+                        type TEXT NOT NULL,
+                        category TEXT NOT NULL,
+                        description TEXT NOT NULL,
+                        date INTEGER NOT NULL,
+                        memberId INTEGER,
+                        FOREIGN KEY(memberId) REFERENCES members(id) ON DELETE SET NULL
+                    )
+                """)
+
+                // 复制数据
+                database.execSQL("""
+                    INSERT INTO bookkeeping_records_new (id, amount, type, category, description, date, memberId)
+                    SELECT id, amount, type, category, description, date, memberId FROM bookkeeping_records
+                """)
+
+                // 删除旧表
+                database.execSQL("DROP TABLE bookkeeping_records")
+
+                // 重命名新表
+                database.execSQL("ALTER TABLE bookkeeping_records_new RENAME TO bookkeeping_records")
+
+                // 重新创建分类表
+                database.execSQL("""
+                    CREATE TABLE IF NOT EXISTS categories_new (
+                        id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+                        name TEXT NOT NULL,
+                        type TEXT NOT NULL
+                    )
+                """)
+
+                // 复制分类数据
+                database.execSQL("""
+                    INSERT INTO categories_new (id, name, type)
+                    SELECT id, name, type FROM categories
+                """)
+
+                // 删除旧表
+                database.execSQL("DROP TABLE categories")
+
+                // 重命名新表
+                database.execSQL("ALTER TABLE categories_new RENAME TO categories")
             }
         }
 
+        @Volatile
+        private var INSTANCE: BookkeepingDatabase? = null
+
         fun getDatabase(context: Context): BookkeepingDatabase {
-            return Instance ?: synchronized(this) {
-                try {
-                    Log.d(TAG, "Creating new database instance")
-                    val instance = Room.databaseBuilder(
-                        context.applicationContext,
-                        BookkeepingDatabase::class.java,
-                        "bookkeeping_database"
-                    )
+            return INSTANCE ?: synchronized(this) {
+                val instance = Room.databaseBuilder(
+                    context.applicationContext,
+                    BookkeepingDatabase::class.java,
+                    "bookkeeping_database"
+                )
+                    .addMigrations(MIGRATION_1_2, MIGRATION_2_3)
                     .addCallback(object : Callback() {
                         override fun onCreate(db: SupportSQLiteDatabase) {
                             super.onCreate(db)
-                            Log.d(TAG, "Database created, initializing default categories")
+                            Log.d(TAG, "Database created, initializing default data")
                             CoroutineScope(Dispatchers.IO).launch {
                                 try {
-                                    Instance?.let { database ->
-                                        populateDefaultCategories(database.bookkeepingDao())
+                                    val database = getDatabase(context)
+                                    
+                                    // 初始化默认成员
+                                    database.memberDao().apply {
+                                        if (getMemberCount() == 0) {
+                                            insertMember(Member(name = "自己", description = "默认成员"))
+                                        }
                                     }
+
+                                    // 初始化默认分类
+                                    database.categoryDao().apply {
+                                        // 支出分类
+                                        insertCategory(Category(name = "餐饮", type = TransactionType.EXPENSE))
+                                        insertCategory(Category(name = "交通", type = TransactionType.EXPENSE))
+                                        insertCategory(Category(name = "购物", type = TransactionType.EXPENSE))
+                                        insertCategory(Category(name = "娱乐", type = TransactionType.EXPENSE))
+                                        insertCategory(Category(name = "居住", type = TransactionType.EXPENSE))
+                                        insertCategory(Category(name = "医疗", type = TransactionType.EXPENSE))
+                                        insertCategory(Category(name = "教育", type = TransactionType.EXPENSE))
+                                        insertCategory(Category(name = "其他支出", type = TransactionType.EXPENSE))
+
+                                        // 收入分类
+                                        insertCategory(Category(name = "工资", type = TransactionType.INCOME))
+                                        insertCategory(Category(name = "奖金", type = TransactionType.INCOME))
+                                        insertCategory(Category(name = "投资", type = TransactionType.INCOME))
+                                        insertCategory(Category(name = "其他收入", type = TransactionType.INCOME))
+                                    }
+                                    
+                                    Log.d(TAG, "Default data initialized successfully")
                                 } catch (e: Exception) {
-                                    Log.e(TAG, "Error in onCreate callback", e)
+                                    Log.e(TAG, "Error initializing default data", e)
                                 }
                             }
                         }
                     })
-                    .addMigrations(MIGRATION_1_2)
-                    .fallbackToDestructiveMigration()  // 如果迁移失败，允许重建数据库
                     .build()
-                    
-                    Instance = instance
-                    Log.d(TAG, "Database instance created successfully")
-                    instance
-                } catch (e: Exception) {
-                    Log.e(TAG, "Error creating database", e)
-                    throw e
-                }
+                INSTANCE = instance
+                instance
             }
         }
     }
diff --git a/app/src/main/java/com/yovinchen/bookkeeping/data/CategoryDao.kt b/app/src/main/java/com/yovinchen/bookkeeping/data/CategoryDao.kt
new file mode 100644
index 0000000..d30a526
--- /dev/null
+++ b/app/src/main/java/com/yovinchen/bookkeeping/data/CategoryDao.kt
@@ -0,0 +1,30 @@
+package com.yovinchen.bookkeeping.data
+
+import androidx.room.*
+import com.yovinchen.bookkeeping.model.Category
+import com.yovinchen.bookkeeping.model.TransactionType
+import kotlinx.coroutines.flow.Flow
+
+@Dao
+interface CategoryDao {
+    @Query("SELECT * FROM categories WHERE type = :type ORDER BY name ASC")
+    fun getCategoriesByType(type: TransactionType): Flow<List<Category>>
+
+    @Query("SELECT * FROM categories ORDER BY type ASC, name ASC")
+    fun getAllCategories(): Flow<List<Category>>
+
+    @Insert
+    suspend fun insertCategory(category: Category): Long
+
+    @Update
+    suspend fun updateCategory(category: Category)
+
+    @Delete
+    suspend fun deleteCategory(category: Category)
+
+    @Query("SELECT EXISTS(SELECT 1 FROM bookkeeping_records WHERE category = :categoryName LIMIT 1)")
+    suspend fun isCategoryInUse(categoryName: String): Boolean
+
+    @Query("SELECT COUNT(*) FROM categories WHERE type = :type")
+    suspend fun getCategoryCountByType(type: TransactionType): Int
+}
diff --git a/app/src/main/java/com/yovinchen/bookkeeping/data/MemberDao.kt b/app/src/main/java/com/yovinchen/bookkeeping/data/MemberDao.kt
new file mode 100644
index 0000000..77faf63
--- /dev/null
+++ b/app/src/main/java/com/yovinchen/bookkeeping/data/MemberDao.kt
@@ -0,0 +1,26 @@
+package com.yovinchen.bookkeeping.data
+
+import androidx.room.*
+import com.yovinchen.bookkeeping.model.Member
+import kotlinx.coroutines.flow.Flow
+
+@Dao
+interface MemberDao {
+    @Query("SELECT * FROM members ORDER BY name ASC")
+    fun getAllMembers(): Flow<List<Member>>
+
+    @Query("SELECT * FROM members WHERE id = :memberId")
+    suspend fun getMemberById(memberId: Int): Member?
+
+    @Insert
+    suspend fun insertMember(member: Member): Long
+
+    @Update
+    suspend fun updateMember(member: Member)
+
+    @Delete
+    suspend fun deleteMember(member: Member)
+
+    @Query("SELECT COUNT(*) FROM members")
+    suspend fun getMemberCount(): Int
+}
diff --git a/app/src/main/java/com/yovinchen/bookkeeping/model/BookkeepingRecord.kt b/app/src/main/java/com/yovinchen/bookkeeping/model/BookkeepingRecord.kt
index 43b5e86..07d90f8 100644
--- a/app/src/main/java/com/yovinchen/bookkeeping/model/BookkeepingRecord.kt
+++ b/app/src/main/java/com/yovinchen/bookkeeping/model/BookkeepingRecord.kt
@@ -1,9 +1,11 @@
 package com.yovinchen.bookkeeping.model
 
 import androidx.room.Entity
+import androidx.room.ForeignKey
 import androidx.room.PrimaryKey
 import androidx.room.TypeConverter
 import androidx.room.TypeConverters
+import com.yovinchen.bookkeeping.model.Member
 import java.util.Date
 
 enum class TransactionType {
@@ -32,7 +34,17 @@ class Converters {
     }
 }
 
-@Entity(tableName = "bookkeeping_records")
+@Entity(
+    tableName = "bookkeeping_records",
+    foreignKeys = [
+        ForeignKey(
+            entity = Member::class,
+            parentColumns = ["id"],
+            childColumns = ["memberId"],
+            onDelete = ForeignKey.SET_NULL
+        )
+    ]
+)
 @TypeConverters(Converters::class)
 data class BookkeepingRecord(
     @PrimaryKey(autoGenerate = true)
@@ -41,5 +53,6 @@ data class BookkeepingRecord(
     val type: TransactionType,
     val category: String,
     val description: String,
-    val date: Date
+    val date: Date,
+    val memberId: Int? = null  // 可为空，表示未指定成员
 )
diff --git a/app/src/main/java/com/yovinchen/bookkeeping/ui/components/MonthlyStatistics.kt b/app/src/main/java/com/yovinchen/bookkeeping/ui/components/MonthlyStatistics.kt
new file mode 100644
index 0000000..237bd50
--- /dev/null
+++ b/app/src/main/java/com/yovinchen/bookkeeping/ui/components/MonthlyStatistics.kt
@@ -0,0 +1,250 @@
+package com.yovinchen.bookkeeping.ui.components
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.lazy.grid.GridCells
+import androidx.compose.foundation.lazy.grid.LazyVerticalGrid
+import androidx.compose.foundation.lazy.grid.items
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.automirrored.filled.KeyboardArrowLeft
+import androidx.compose.material.icons.automirrored.filled.KeyboardArrowRight
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.window.Dialog
+import com.yovinchen.bookkeeping.model.TransactionType
+import java.time.YearMonth
+
+@Composable
+fun MonthYearPickerDialog(
+    selectedMonth: YearMonth,
+    onMonthSelected: (YearMonth) -> Unit,
+    onDismiss: () -> Unit
+) {
+    var currentYearMonth by remember { mutableStateOf(selectedMonth) }
+
+    Dialog(onDismissRequest = onDismiss) {
+        Surface(
+            modifier = Modifier
+                .fillMaxWidth()
+                .wrapContentHeight(),
+            shape = MaterialTheme.shapes.extraLarge,
+            tonalElevation = 6.dp
+        ) {
+            Column(
+                modifier = Modifier.padding(16.dp)
+            ) {
+                Text(
+                    text = "选择年月",
+                    style = MaterialTheme.typography.titleLarge,
+                    modifier = Modifier.padding(bottom = 16.dp)
+                )
+
+                // 年份选择
+                Row(
+                    modifier = Modifier.fillMaxWidth(),
+                    horizontalArrangement = Arrangement.SpaceBetween,
+                    verticalAlignment = Alignment.CenterVertically
+                ) {
+                    IconButton(onClick = {
+                        currentYearMonth = currentYearMonth.minusYears(1)
+                    }) {
+                        Text("<")
+                    }
+                    Text(
+                        text = "${currentYearMonth.year}年",
+                        style = MaterialTheme.typography.titleMedium
+                    )
+                    IconButton(onClick = {
+                        currentYearMonth = currentYearMonth.plusYears(1)
+                    }) {
+                        Text(">")
+                    }
+                }
+
+                Spacer(modifier = Modifier.height(16.dp))
+
+                // 月份网格
+                LazyVerticalGrid(
+                    columns = GridCells.Fixed(3),
+                    modifier = Modifier.height(200.dp)
+                ) {
+                    items(12) { index ->
+                        val month = index + 1
+                        val isSelected = month == currentYearMonth.monthValue
+
+                        Surface(
+                            modifier = Modifier
+                                .padding(4.dp)
+                                .aspectRatio(1.5f)
+                                .clickable {
+                                    currentYearMonth = YearMonth.of(currentYearMonth.year, month)
+                                },
+                            shape = MaterialTheme.shapes.small,
+                            color = if (isSelected) MaterialTheme.colorScheme.primary
+                            else MaterialTheme.colorScheme.surface
+                        ) {
+                            Box(
+                                contentAlignment = Alignment.Center,
+                                modifier = Modifier.fillMaxSize()
+                            ) {
+                                Text(
+                                    text = "${month}月",
+                                    color = if (isSelected) MaterialTheme.colorScheme.onPrimary
+                                    else MaterialTheme.colorScheme.onSurface
+                                )
+                            }
+                        }
+                    }
+                }
+
+                // 按钮行
+                Row(
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .padding(top = 16.dp),
+                    horizontalArrangement = Arrangement.End
+                ) {
+                    TextButton(onClick = onDismiss) {
+                        Text("取消")
+                    }
+                    Spacer(modifier = Modifier.width(8.dp))
+                    Button(onClick = {
+                        onMonthSelected(currentYearMonth)
+                        onDismiss()
+                    }) {
+                        Text("确定")
+                    }
+                }
+            }
+        }
+    }
+}
+
+@Composable
+fun MonthlyStatistics(
+    totalIncome: Double,
+    totalExpense: Double,
+    onIncomeClick: () -> Unit,
+    onExpenseClick: () -> Unit,
+    selectedType: TransactionType?,
+    onClearFilter: () -> Unit,
+    selectedMonth: YearMonth,
+    onPreviousMonth: () -> Unit,
+    onNextMonth: () -> Unit,
+    onMonthSelected: (YearMonth) -> Unit,
+    modifier: Modifier = Modifier
+) {
+    var showMonthPicker by remember { mutableStateOf(false) }
+
+    Card(
+        modifier = modifier
+            .fillMaxWidth()
+            .padding(16.dp),
+        elevation = CardDefaults.cardElevation(defaultElevation = 4.dp)
+    ) {
+        Column(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(16.dp)
+        ) {
+            // 月份选择器
+            Row(
+                modifier = Modifier.fillMaxWidth(),
+                horizontalArrangement = Arrangement.SpaceBetween,
+                verticalAlignment = Alignment.CenterVertically
+            ) {
+                IconButton(onClick = onPreviousMonth) {
+                    Icon(Icons.AutoMirrored.Filled.KeyboardArrowLeft, "上个月")
+                }
+
+                Text(
+                    text = "${selectedMonth.year}年${selectedMonth.monthValue}月",
+                    style = MaterialTheme.typography.titleLarge,
+                    modifier = Modifier.clickable { showMonthPicker = true }
+                )
+
+                IconButton(onClick = onNextMonth) {
+                    Icon(Icons.AutoMirrored.Filled.KeyboardArrowRight, "下个月")
+                }
+            }
+
+            Spacer(modifier = Modifier.height(16.dp))
+
+            Row(
+                modifier = Modifier.fillMaxWidth(),
+                horizontalArrangement = Arrangement.SpaceBetween
+            ) {
+                // 收入统计
+                Column(
+                    modifier = Modifier
+                        .weight(1f)
+                        .clickable { onIncomeClick() }
+                        .background(
+                            if (selectedType == TransactionType.INCOME) MaterialTheme.colorScheme.primaryContainer
+                            else Color.Transparent,
+                            RoundedCornerShape(8.dp)
+                        )
+                        .padding(8.dp)
+                ) {
+                    Text(
+                        text = "收入",
+                        style = MaterialTheme.typography.titleMedium
+                    )
+                    Text(
+                        text = "¥${String.format("%.2f", totalIncome)}",
+                        style = MaterialTheme.typography.bodyLarge,
+                        color = MaterialTheme.colorScheme.primary
+                    )
+                }
+
+                Spacer(modifier = Modifier.width(16.dp))
+
+                // 支出统计
+                Column(
+                    modifier = Modifier
+                        .weight(1f)
+                        .clickable { onExpenseClick() }
+                        .background(
+                            if (selectedType == TransactionType.EXPENSE) MaterialTheme.colorScheme.primaryContainer
+                            else Color.Transparent,
+                            RoundedCornerShape(8.dp)
+                        )
+                        .padding(8.dp)
+                ) {
+                    Text(
+                        text = "支出",
+                        style = MaterialTheme.typography.titleMedium
+                    )
+                    Text(
+                        text = "¥${String.format("%.2f", totalExpense)}",
+                        style = MaterialTheme.typography.bodyLarge,
+                        color = MaterialTheme.colorScheme.error
+                    )
+                }
+            }
+
+            if (selectedType != null) {
+                TextButton(
+                    onClick = onClearFilter,
+                    modifier = Modifier.align(Alignment.End)
+                ) {
+                    Text("清除筛选")
+                }
+            }
+        }
+    }
+
+    if (showMonthPicker) {
+        MonthYearPickerDialog(
+            selectedMonth = selectedMonth,
+            onMonthSelected = onMonthSelected,
+            onDismiss = { showMonthPicker = false }
+        )
+    }
+}
diff --git a/app/src/main/java/com/yovinchen/bookkeeping/ui/components/RecordItem.kt b/app/src/main/java/com/yovinchen/bookkeeping/ui/components/RecordItem.kt
new file mode 100644
index 0000000..cad2220
--- /dev/null
+++ b/app/src/main/java/com/yovinchen/bookkeeping/ui/components/RecordItem.kt
@@ -0,0 +1,103 @@
+package com.yovinchen.bookkeeping.ui.components
+
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.*
+import androidx.compose.material3.*
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+import com.yovinchen.bookkeeping.model.BookkeepingRecord
+import com.yovinchen.bookkeeping.model.Member
+import com.yovinchen.bookkeeping.model.TransactionType
+import java.text.SimpleDateFormat
+import java.util.*
+
+@Composable
+fun RecordItem(
+    record: BookkeepingRecord,
+    onClick: () -> Unit = {},
+    onDelete: () -> Unit = {},
+    modifier: Modifier = Modifier,
+    members: List<Member> = emptyList()
+) {
+    var showDeleteDialog by remember { mutableStateOf(false) }
+    val timeFormat = remember { SimpleDateFormat("HH:mm", Locale.getDefault()) }
+    val member = members.find { it.id == record.memberId }
+
+    Card(
+        modifier = modifier
+            .fillMaxWidth()
+            .padding(horizontal = 16.dp, vertical = 4.dp)
+            .clickable(onClick = onClick),
+        elevation = CardDefaults.cardElevation(defaultElevation = 2.dp)
+    ) {
+        Row(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(16.dp),
+            horizontalArrangement = Arrangement.SpaceBetween,
+            verticalAlignment = Alignment.CenterVertically
+        ) {
+            Column(
+                modifier = Modifier.weight(1f)
+            ) {
+                // 第一行：分类
+                Text(
+                    text = record.category,
+                    style = MaterialTheme.typography.bodyLarge
+                )
+                
+                // 第二行：时间 | 成员 | 详情
+                Text(
+                    text = buildString {
+                        append(timeFormat.format(record.date))
+                        if (member != null && member.name != "自己") {
+                            append(" | ")
+                            append(member.name)
+                        }
+                        if (record.description.isNotEmpty()) {
+                            append(" | ")
+                            append(record.description)
+                        }
+                    },
+                    style = MaterialTheme.typography.bodySmall,
+                    color = MaterialTheme.colorScheme.onSurfaceVariant
+                )
+            }
+
+            // 金额显示
+            Text(
+                text = String.format("%.2f", record.amount),
+                style = MaterialTheme.typography.titleMedium,
+                color = if (record.type == TransactionType.EXPENSE)
+                    MaterialTheme.colorScheme.error
+                else
+                    MaterialTheme.colorScheme.primary
+            )
+        }
+    }
+
+    if (showDeleteDialog) {
+        AlertDialog(
+            onDismissRequest = { showDeleteDialog = false },
+            title = { Text("确认删除") },
+            text = { Text("确定要删除这条记录吗？") },
+            confirmButton = {
+                TextButton(
+                    onClick = {
+                        onDelete()
+                        showDeleteDialog = false
+                    }
+                ) {
+                    Text("删除")
+                }
+            },
+            dismissButton = {
+                TextButton(onClick = { showDeleteDialog = false }) {
+                    Text("取消")
+                }
+            }
+        )
+    }
+}
diff --git a/app/src/main/java/com/yovinchen/bookkeeping/ui/dialog/AddRecordDialog.kt b/app/src/main/java/com/yovinchen/bookkeeping/ui/dialog/AddRecordDialog.kt
index 895b540..68dd031 100644
--- a/app/src/main/java/com/yovinchen/bookkeeping/ui/dialog/AddRecordDialog.kt
+++ b/app/src/main/java/com/yovinchen/bookkeeping/ui/dialog/AddRecordDialog.kt
@@ -1,36 +1,57 @@
+@file:OptIn(ExperimentalMaterial3Api::class)
+
 package com.yovinchen.bookkeeping.ui.dialog
 
 import androidx.compose.foundation.layout.*
-import androidx.compose.foundation.text.KeyboardOptions
 import androidx.compose.material3.*
 import androidx.compose.runtime.*
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.text.input.KeyboardType
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.window.Dialog
 import com.yovinchen.bookkeeping.model.Category
+import com.yovinchen.bookkeeping.model.Member
 import com.yovinchen.bookkeeping.model.TransactionType
 import com.yovinchen.bookkeeping.ui.components.DateTimePicker
 import java.time.LocalDateTime
+import java.time.ZoneId
+import java.util.Date
 
-@OptIn(ExperimentalMaterial3Api::class)
 @Composable
 fun AddRecordDialog(
-    onDismiss: () -> Unit,
-    onConfirm: (TransactionType, Double, String, String) -> Unit,
     categories: List<Category>,
-    selectedType: TransactionType,
-    onTypeChange: (TransactionType) -> Unit,
-    selectedDateTime: LocalDateTime,
-    onDateTimeSelected: (LocalDateTime) -> Unit
+    members: List<Member>,
+    onDismiss: () -> Unit,
+    onConfirm: (amount: Double, category: String, description: String, date: Date, type: TransactionType, memberId: Int?) -> Unit
 ) {
     var amount by remember { mutableStateOf("") }
-    var selectedCategory by remember { mutableStateOf<Category?>(null) }
-    var description by remember { mutableStateOf("") }
     var expanded by remember { mutableStateOf(false) }
+    var memberExpanded by remember { mutableStateOf(false) }
+    var description by remember { mutableStateOf("") }
+    var selectedType by remember { mutableStateOf(TransactionType.EXPENSE) }
+    
+    // 找到默认成员（"自己"）
+    val defaultMember = remember(members) { 
+        members.find { it.name == "自己" } 
+    }
+    var currentSelectedMember by remember(defaultMember) { 
+        mutableStateOf(defaultMember)
+    }
+    
+    // 设置默认分类为"餐饮"
+    var selectedCategory by remember { 
+        mutableStateOf(categories.find { it.type == selectedType && it.name == "餐饮" }?.name ?: categories.firstOrNull { it.type == selectedType }?.name ?: "")
+    }
+    
+    var selectedDateTime by remember {
+        mutableStateOf(LocalDateTime.now())
+    }
 
-    // 根据当前选择的类型过滤类别
-    val filteredCategories = categories.filter { it.type == selectedType }
+    // 当类型改变时更新分类
+    LaunchedEffect(selectedType) {
+        selectedCategory = categories.find { it.type == selectedType && it.name == "餐饮" }?.name 
+            ?: categories.firstOrNull { it.type == selectedType }?.name 
+            ?: ""
+    }
 
     Dialog(onDismissRequest = onDismiss) {
         Card(
@@ -51,74 +72,59 @@ fun AddRecordDialog(
 
                 Spacer(modifier = Modifier.height(16.dp))
 
-                // 类型选择
+                // 收入/支出选择
                 Row(
                     modifier = Modifier.fillMaxWidth(),
                     horizontalArrangement = Arrangement.SpaceEvenly
                 ) {
                     FilterChip(
                         selected = selectedType == TransactionType.EXPENSE,
-                        onClick = { 
-                            onTypeChange(TransactionType.EXPENSE)
-                            selectedCategory = null
-                        },
+                        onClick = { selectedType = TransactionType.EXPENSE },
                         label = { Text("支出") }
                     )
                     FilterChip(
                         selected = selectedType == TransactionType.INCOME,
-                        onClick = { 
-                            onTypeChange(TransactionType.INCOME)
-                            selectedCategory = null
-                        },
+                        onClick = { selectedType = TransactionType.INCOME },
                         label = { Text("收入") }
                     )
                 }
 
                 Spacer(modifier = Modifier.height(16.dp))
 
-                // 日期时间选择
-                DateTimePicker(
-                    selectedDateTime = selectedDateTime,
-                    onDateTimeSelected = onDateTimeSelected,
-                    modifier = Modifier.fillMaxWidth()
-                )
-
-                Spacer(modifier = Modifier.height(16.dp))
-
-                // 金额输入
                 OutlinedTextField(
                     value = amount,
                     onValueChange = { amount = it },
                     label = { Text("金额") },
-                    keyboardOptions = KeyboardOptions(keyboardType = KeyboardType.Number),
-                    modifier = Modifier.fillMaxWidth()
+                    modifier = Modifier.fillMaxWidth(),
+                    singleLine = true
                 )
 
-                Spacer(modifier = Modifier.height(8.dp))
+                Spacer(modifier = Modifier.height(16.dp))
 
-                // 类别选择
                 ExposedDropdownMenuBox(
                     expanded = expanded,
                     onExpandedChange = { expanded = it }
                 ) {
                     OutlinedTextField(
-                        value = selectedCategory?.name ?: "",
+                        value = selectedCategory,
                         onValueChange = {},
                         readOnly = true,
                         label = { Text("类别") },
+                        trailingIcon = { ExposedDropdownMenuDefaults.TrailingIcon(expanded = expanded) },
                         modifier = Modifier
                             .fillMaxWidth()
                             .menuAnchor()
                     )
+
                     ExposedDropdownMenu(
                         expanded = expanded,
                         onDismissRequest = { expanded = false }
                     ) {
-                        filteredCategories.forEach { category ->
+                        categories.filter { it.type == selectedType }.forEach { category ->
                             DropdownMenuItem(
                                 text = { Text(category.name) },
                                 onClick = {
-                                    selectedCategory = category
+                                    selectedCategory = category.name
                                     expanded = false
                                 }
                             )
@@ -126,19 +132,59 @@ fun AddRecordDialog(
                     }
                 }
 
-                Spacer(modifier = Modifier.height(8.dp))
+                Spacer(modifier = Modifier.height(16.dp))
 
-                // 描述输入
-                OutlinedTextField(
-                    value = description,
-                    onValueChange = { description = it },
-                    label = { Text("描述") },
+                ExposedDropdownMenuBox(
+                    expanded = memberExpanded,
+                    onExpandedChange = { memberExpanded = it }
+                ) {
+                    OutlinedTextField(
+                        value = currentSelectedMember?.name ?: "选择成员",
+                        onValueChange = {},
+                        readOnly = true,
+                        label = { Text("成员") },
+                        trailingIcon = { ExposedDropdownMenuDefaults.TrailingIcon(expanded = memberExpanded) },
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .menuAnchor()
+                    )
+
+                    ExposedDropdownMenu(
+                        expanded = memberExpanded,
+                        onDismissRequest = { memberExpanded = false }
+                    ) {
+                        members.forEach { member ->
+                            DropdownMenuItem(
+                                text = { Text(member.name) },
+                                onClick = {
+                                    currentSelectedMember = member
+                                    memberExpanded = false
+                                }
+                            )
+                        }
+                    }
+                }
+
+                Spacer(modifier = Modifier.height(16.dp))
+
+                DateTimePicker(
+                    selectedDateTime = selectedDateTime,
+                    onDateTimeSelected = { selectedDateTime = it },
                     modifier = Modifier.fillMaxWidth()
                 )
 
                 Spacer(modifier = Modifier.height(16.dp))
 
-                // 按钮
+                OutlinedTextField(
+                    value = description,
+                    onValueChange = { description = it },
+                    label = { Text("备注") },
+                    modifier = Modifier.fillMaxWidth(),
+                    singleLine = true
+                )
+
+                Spacer(modifier = Modifier.height(24.dp))
+
                 Row(
                     modifier = Modifier.fillMaxWidth(),
                     horizontalArrangement = Arrangement.End
@@ -149,13 +195,21 @@ fun AddRecordDialog(
                     Spacer(modifier = Modifier.width(8.dp))
                     Button(
                         onClick = {
-                            val amountValue = amount.toDoubleOrNull() ?: 0.0
-                            selectedCategory?.let { category ->
-                                onConfirm(selectedType, amountValue, category.name, description)
-                                onDismiss()
+                            val amountValue = amount.toDoubleOrNull()
+                            if (amountValue != null) {
+                                onConfirm(
+                                    amountValue,
+                                    selectedCategory,
+                                    description,
+                                    Date.from(
+                                        selectedDateTime.atZone(ZoneId.systemDefault()).toInstant()
+                                    ),
+                                    selectedType,
+                                    currentSelectedMember?.id
+                                )
                             }
                         },
-                        enabled = amount.isNotEmpty() && selectedCategory != null
+                        enabled = amount.isNotEmpty() && selectedCategory.isNotEmpty()
                     ) {
                         Text("确定")
                     }
diff --git a/app/src/main/java/com/yovinchen/bookkeeping/ui/dialog/RecordEditDialog.kt b/app/src/main/java/com/yovinchen/bookkeeping/ui/dialog/RecordEditDialog.kt
index 5a4676c..24d2f55 100644
--- a/app/src/main/java/com/yovinchen/bookkeeping/ui/dialog/RecordEditDialog.kt
+++ b/app/src/main/java/com/yovinchen/bookkeeping/ui/dialog/RecordEditDialog.kt
@@ -8,25 +8,33 @@ import androidx.compose.runtime.*
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.window.Dialog
+import androidx.lifecycle.viewmodel.compose.viewModel
 import com.yovinchen.bookkeeping.model.BookkeepingRecord
 import com.yovinchen.bookkeeping.model.Category
+import com.yovinchen.bookkeeping.model.Member
 import com.yovinchen.bookkeeping.ui.components.DateTimePicker
+import com.yovinchen.bookkeeping.viewmodel.HomeViewModel
 import java.time.Instant
 import java.time.LocalDateTime
 import java.time.ZoneId
 import java.util.Date
+import kotlinx.coroutines.launch
 
 @Composable
 fun RecordEditDialog(
     record: BookkeepingRecord,
     categories: List<Category>,
+    members: List<Member>,
     onDismiss: () -> Unit,
-    onConfirm: (BookkeepingRecord) -> Unit
+    onConfirm: (BookkeepingRecord) -> Unit,
+    viewModel: HomeViewModel = viewModel()
 ) {
     var amount by remember { mutableStateOf(record.amount.toString()) }
     var selectedCategory by remember { mutableStateOf(record.category) }
     var description by remember { mutableStateOf(record.description) }
     var expanded by remember { mutableStateOf(false) }
+    var memberExpanded by remember { mutableStateOf(false) }
+    var currentSelectedMember by remember { mutableStateOf<Member?>(null) }
     var selectedDateTime by remember {
         mutableStateOf(
             LocalDateTime.ofInstant(
@@ -36,6 +44,16 @@ fun RecordEditDialog(
         )
     }
 
+    // 加载原关联成员
+    val coroutineScope = rememberCoroutineScope()
+    LaunchedEffect(record.memberId) {
+        if (record.memberId != null) {
+            coroutineScope.launch {
+                currentSelectedMember = viewModel.getMemberById(record.memberId)
+            }
+        }
+    }
+
     Dialog(onDismissRequest = onDismiss) {
         Card(
             modifier = Modifier
@@ -55,24 +73,16 @@ fun RecordEditDialog(
 
                 Spacer(modifier = Modifier.height(16.dp))
 
-                // 日期时间选择
-                DateTimePicker(
-                    selectedDateTime = selectedDateTime,
-                    onDateTimeSelected = { selectedDateTime = it },
-                    modifier = Modifier.fillMaxWidth()
-                )
-
-                Spacer(modifier = Modifier.height(16.dp))
-
                 // 金额输入
                 OutlinedTextField(
                     value = amount,
                     onValueChange = { amount = it },
                     label = { Text("金额") },
-                    modifier = Modifier.fillMaxWidth()
+                    modifier = Modifier.fillMaxWidth(),
+                    singleLine = true
                 )
 
-                Spacer(modifier = Modifier.height(8.dp))
+                Spacer(modifier = Modifier.height(16.dp))
 
                 // 类别选择
                 ExposedDropdownMenuBox(
@@ -84,10 +94,12 @@ fun RecordEditDialog(
                         onValueChange = {},
                         readOnly = true,
                         label = { Text("类别") },
+                        trailingIcon = { ExposedDropdownMenuDefaults.TrailingIcon(expanded = expanded) },
                         modifier = Modifier
                             .fillMaxWidth()
                             .menuAnchor()
                     )
+
                     ExposedDropdownMenu(
                         expanded = expanded,
                         onDismissRequest = { expanded = false }
@@ -104,19 +116,72 @@ fun RecordEditDialog(
                     }
                 }
 
-                Spacer(modifier = Modifier.height(8.dp))
+                Spacer(modifier = Modifier.height(16.dp))
 
-                // 描述输入
-                OutlinedTextField(
-                    value = description,
-                    onValueChange = { description = it },
-                    label = { Text("描述") },
+                // 成员选择
+                ExposedDropdownMenuBox(
+                    expanded = memberExpanded,
+                    onExpandedChange = { memberExpanded = it }
+                ) {
+                    OutlinedTextField(
+                        value = currentSelectedMember?.name ?: "选择成员",
+                        onValueChange = {},
+                        readOnly = true,
+                        label = { Text("成员") },
+                        trailingIcon = { ExposedDropdownMenuDefaults.TrailingIcon(expanded = memberExpanded) },
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .menuAnchor()
+                    )
+
+                    ExposedDropdownMenu(
+                        expanded = memberExpanded,
+                        onDismissRequest = { memberExpanded = false }
+                    ) {
+                        // 添加一个"清除选择"选项
+                        DropdownMenuItem(
+                            text = { Text("清除选择") },
+                            onClick = {
+                                currentSelectedMember = null
+                                memberExpanded = false
+                            }
+                        )
+                        
+                        members.forEach { member ->
+                            DropdownMenuItem(
+                                text = { Text(member.name) },
+                                onClick = {
+                                    currentSelectedMember = member
+                                    memberExpanded = false
+                                }
+                            )
+                        }
+                    }
+                }
+
+                Spacer(modifier = Modifier.height(16.dp))
+
+                // 日期时间选择
+                DateTimePicker(
+                    selectedDateTime = selectedDateTime,
+                    onDateTimeSelected = { selectedDateTime = it },
                     modifier = Modifier.fillMaxWidth()
                 )
 
                 Spacer(modifier = Modifier.height(16.dp))
 
-                // 按钮
+                // 备注输入
+                OutlinedTextField(
+                    value = description,
+                    onValueChange = { description = it },
+                    label = { Text("备注") },
+                    modifier = Modifier.fillMaxWidth(),
+                    singleLine = true
+                )
+
+                Spacer(modifier = Modifier.height(24.dp))
+
+                // 按钮行
                 Row(
                     modifier = Modifier.fillMaxWidth(),
                     horizontalArrangement = Arrangement.End
@@ -127,15 +192,22 @@ fun RecordEditDialog(
                     Spacer(modifier = Modifier.width(8.dp))
                     Button(
                         onClick = {
-                            val updatedRecord = record.copy(
-                                amount = amount.toDoubleOrNull() ?: record.amount,
-                                category = selectedCategory,
-                                description = description,
-                                date = Date.from(selectedDateTime.atZone(ZoneId.systemDefault()).toInstant())
-                            )
-                            onConfirm(updatedRecord)
-                            onDismiss()
-                        }
+                            val amountValue = amount.toDoubleOrNull()
+                            if (amountValue != null) {
+                                onConfirm(
+                                    record.copy(
+                                        amount = amountValue,
+                                        category = selectedCategory,
+                                        description = description,
+                                        date = Date.from(
+                                            selectedDateTime.atZone(ZoneId.systemDefault()).toInstant()
+                                        ),
+                                        memberId = currentSelectedMember?.id
+                                    )
+                                )
+                            }
+                        },
+                        enabled = amount.isNotEmpty()
                     ) {
                         Text("确定")
                     }
diff --git a/app/src/main/java/com/yovinchen/bookkeeping/ui/screen/HomeScreen.kt b/app/src/main/java/com/yovinchen/bookkeeping/ui/screen/HomeScreen.kt
index 918b9d5..0b83fed 100644
--- a/app/src/main/java/com/yovinchen/bookkeeping/ui/screen/HomeScreen.kt
+++ b/app/src/main/java/com/yovinchen/bookkeeping/ui/screen/HomeScreen.kt
@@ -1,60 +1,73 @@
 package com.yovinchen.bookkeeping.ui.screen
 
 import androidx.compose.foundation.background
-import androidx.compose.foundation.clickable
-import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.lazy.LazyColumn
-import androidx.compose.foundation.lazy.items
-import androidx.compose.foundation.lazy.grid.LazyVerticalGrid
-import androidx.compose.foundation.lazy.grid.GridCells
-import androidx.compose.foundation.lazy.grid.items
-import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.automirrored.filled.KeyboardArrowLeft
-import androidx.compose.material.icons.automirrored.filled.KeyboardArrowRight
 import androidx.compose.material.icons.filled.Add
-import androidx.compose.material.icons.filled.Delete
-import androidx.compose.material3.*
-import androidx.compose.runtime.*
-import androidx.compose.ui.Alignment
+import androidx.compose.material3.Card
+import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.ExtendedFloatingActionButton
+import androidx.compose.material3.HorizontalDivider
+import androidx.compose.material3.Icon
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
-import androidx.compose.ui.unit.sp
-import androidx.compose.ui.window.Dialog
 import androidx.lifecycle.viewmodel.compose.viewModel
 import com.yovinchen.bookkeeping.model.BookkeepingRecord
 import com.yovinchen.bookkeeping.model.TransactionType
+import com.yovinchen.bookkeeping.ui.components.MonthlyStatistics
+import com.yovinchen.bookkeeping.ui.components.RecordItem
 import com.yovinchen.bookkeeping.ui.dialog.AddRecordDialog
 import com.yovinchen.bookkeeping.ui.dialog.RecordEditDialog
 import com.yovinchen.bookkeeping.viewmodel.HomeViewModel
-import java.time.YearMonth
 import java.text.SimpleDateFormat
-import java.util.*
+import java.util.Locale
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
 fun HomeScreen(
-    modifier: Modifier = Modifier, viewModel: HomeViewModel = viewModel()
+    modifier: Modifier = Modifier,
+    viewModel: HomeViewModel = viewModel()
 ) {
-    val filteredRecords by viewModel.filteredRecords.collectAsState()
-    val totalIncome by viewModel.totalIncome.collectAsState()
-    val totalExpense by viewModel.totalExpense.collectAsState()
-    val categories by viewModel.categories.collectAsState()
-    val selectedRecordType by viewModel.selectedRecordType.collectAsState()
-    val selectedMonth by viewModel.selectedMonth.collectAsState()
-
     var showAddDialog by remember { mutableStateOf(false) }
     var selectedRecord by remember { mutableStateOf<BookkeepingRecord?>(null) }
+    
+    val selectedMonth by viewModel.selectedMonth.collectAsState()
+    val filteredRecords by viewModel.filteredRecords.collectAsState()
+    val categories by viewModel.categories.collectAsState(initial = emptyList())
+    val members by viewModel.members.collectAsState(initial = emptyList())
+    val selectedMember by viewModel.selectedMember.collectAsState()
+    val totalIncome by viewModel.totalIncome.collectAsState()
+    val totalExpense by viewModel.totalExpense.collectAsState()
 
-    Scaffold(modifier = modifier.fillMaxSize(), floatingActionButton = {
-        FloatingActionButton(onClick = { showAddDialog = true }) {
-            Icon(Icons.Default.Add, contentDescription = "添加记录")
+    Scaffold(
+        modifier = modifier.fillMaxSize(),
+        floatingActionButton = {
+            ExtendedFloatingActionButton(
+                onClick = { showAddDialog = true },
+                icon = { Icon(Icons.Default.Add, contentDescription = null) },
+                text = { Text("记一笔") }
+            )
         }
-    }, floatingActionButtonPosition = FabPosition.End, topBar = {
-        TopAppBar(title = { Text("记账本") })
-    }) { padding ->
+    ) { padding ->
         Column(
             modifier = Modifier
                 .fillMaxSize()
@@ -62,408 +75,103 @@ fun HomeScreen(
                 .background(MaterialTheme.colorScheme.background)
         ) {
             // 顶部统计信息
-            MonthlyStatistics(totalIncome = totalIncome,
+            MonthlyStatistics(
+                totalIncome = totalIncome,
                 totalExpense = totalExpense,
+                selectedType = null,
                 onIncomeClick = { viewModel.setSelectedRecordType(TransactionType.INCOME) },
                 onExpenseClick = { viewModel.setSelectedRecordType(TransactionType.EXPENSE) },
-                selectedType = selectedRecordType,
                 onClearFilter = { viewModel.setSelectedRecordType(null) },
                 selectedMonth = selectedMonth,
-                onPreviousMonth = { viewModel.setSelectedMonth(selectedMonth.minusMonths(1)) },
-                onNextMonth = { viewModel.setSelectedMonth(selectedMonth.plusMonths(1)) },
-                onMonthSelected = { viewModel.setSelectedMonth(it) })
+                onPreviousMonth = { viewModel.moveMonth(false) },
+                onNextMonth = { viewModel.moveMonth(true) },
+                onMonthSelected = { viewModel.setSelectedMonth(it) }
+            )
 
             // 记录列表
             LazyColumn(
                 modifier = Modifier.fillMaxSize(),
                 contentPadding = PaddingValues(16.dp),
-                verticalArrangement = Arrangement.spacedBy(12.dp)
+                verticalArrangement = Arrangement.spacedBy(8.dp)
             ) {
-                filteredRecords.forEach { (date, records) ->
-                    item {
-                        Surface(
+                items(filteredRecords.size) { index ->
+                    val (date, dayRecords) = filteredRecords.toList()[index]
+                    Card(
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .padding(vertical = 4.dp),
+                        elevation = CardDefaults.cardElevation(defaultElevation = 2.dp)
+                    ) {
+                        Column(
                             modifier = Modifier
                                 .fillMaxWidth()
-                                .padding(vertical = 4.dp),
-                            color = MaterialTheme.colorScheme.surfaceVariant.copy(alpha = 0.7f),
-                            shape = RoundedCornerShape(12.dp),
-                            tonalElevation = 2.dp
+                                .padding(16.dp)
                         ) {
+                            // 日期标签
+                            Text(
+                                text = SimpleDateFormat(
+                                    "yyyy年MM月dd日 E",
+                                    Locale.CHINESE
+                                ).format(date),
+                                style = MaterialTheme.typography.titleMedium,
+                                color = MaterialTheme.colorScheme.onSurfaceVariant
+                            )
+
+                            Spacer(modifier = Modifier.height(8.dp))
+
+                            // 当天的记录
                             Column(
-                                modifier = Modifier.padding(horizontal = 16.dp, vertical = 12.dp)
+                                modifier = Modifier.fillMaxWidth(),
+                                verticalArrangement = Arrangement.spacedBy(4.dp)
                             ) {
-                                // 日期标签
-                                Text(
-                                    text = SimpleDateFormat(
-                                        "yyyy年MM月dd日 E", Locale.CHINESE
-                                    ).format(date),
-                                    style = MaterialTheme.typography.titleMedium,
-                                    color = MaterialTheme.colorScheme.onSurfaceVariant
-                                )
-
-                                Spacer(modifier = Modifier.height(12.dp))
-
-                                // 当天的记录
-                                records.forEachIndexed { index, record ->
-                                    RecordItem(record = record,
+                                dayRecords.forEachIndexed { recordIndex, record ->
+                                    RecordItem(
+                                        record = record,
                                         onClick = { selectedRecord = record },
-                                        onDelete = { viewModel.deleteRecord(record) })
+                                        onDelete = { viewModel.deleteRecord(record) },
+                                        members = members
+                                    )
 
-                                    if (index < records.size - 1) {
+                                    if (recordIndex < dayRecords.size - 1) {
                                         HorizontalDivider(
-                                            modifier = Modifier.padding(vertical = 8.dp),
+                                            modifier = Modifier.padding(vertical = 4.dp),
                                             color = MaterialTheme.colorScheme.surfaceVariant,
                                             thickness = 0.5.dp
                                         )
                                     }
                                 }
-
-                                Spacer(modifier = Modifier.height(8.dp))
-
-                                // 当天统计
-                                HorizontalDivider(
-                                    color = MaterialTheme.colorScheme.surfaceVariant,
-                                    thickness = 0.5.dp
-                                )
-
-                                val dayIncome = records.filter { it.type == TransactionType.INCOME }
-                                    .sumOf { it.amount }
-                                val dayExpense =
-                                    records.filter { it.type == TransactionType.EXPENSE }
-                                        .sumOf { it.amount }
-                                Row(
-                                    modifier = Modifier
-                                        .fillMaxWidth()
-                                        .padding(top = 12.dp),
-                                    horizontalArrangement = Arrangement.SpaceBetween
-                                ) {
-                                    Text(
-                                        text = "收入: ¥%.2f".format(dayIncome),
-                                        style = MaterialTheme.typography.bodyMedium,
-                                        color = MaterialTheme.colorScheme.primary
-                                    )
-                                    Text(
-                                        text = "支出: ¥%.2f".format(dayExpense),
-                                        style = MaterialTheme.typography.bodyMedium,
-                                        color = MaterialTheme.colorScheme.error
-                                    )
-                                }
                             }
                         }
                     }
                 }
             }
         }
+    }
 
-        // 添加记录对话框
-        if (showAddDialog) {
-            val selectedDateTime by viewModel.selectedDateTime.collectAsState()
-            val selectedCategoryType by viewModel.selectedCategoryType.collectAsState()
-            AddRecordDialog(onDismiss = {
+    // 添加记录对话框
+    if (showAddDialog) {
+        AddRecordDialog(
+            categories = categories,
+            members = members,
+            onDismiss = { showAddDialog = false },
+            onConfirm = { amount, category, description, date, type, memberId ->
+                viewModel.addRecord(amount, category, description, date, type, memberId)
                 showAddDialog = false
-                viewModel.resetSelectedDateTime()
-            },
-                onConfirm = { type, amount, category, description ->
-                    viewModel.addRecord(type, amount, category, description)
-                    showAddDialog = false
-                },
-                categories = categories,
-                selectedType = selectedCategoryType,
-                onTypeChange = viewModel::setSelectedCategoryType,
-                selectedDateTime = selectedDateTime,
-                onDateTimeSelected = viewModel::setSelectedDateTime
-            )
-        }
+            }
+        )
+    }
 
-        // 编辑记录对话框
-        selectedRecord?.let { record ->
-            RecordEditDialog(record = record,
-                categories = categories,
-                onDismiss = { selectedRecord = null },
-                onConfirm = { updatedRecord ->
-                    viewModel.updateRecord(updatedRecord)
-                    selectedRecord = null
-                })
-        }
-    }
-}
-
-@Composable
-fun MonthYearPickerDialog(
-    selectedMonth: YearMonth, onMonthSelected: (YearMonth) -> Unit, onDismiss: () -> Unit
-) {
-    var currentYearMonth by remember { mutableStateOf(selectedMonth) }
-
-    Dialog(onDismissRequest = onDismiss) {
-        Surface(
-            modifier = Modifier
-                .fillMaxWidth()
-                .wrapContentHeight(),
-            shape = MaterialTheme.shapes.extraLarge,
-            tonalElevation = 6.dp
-        ) {
-            Column(
-                modifier = Modifier.padding(16.dp)
-            ) {
-                Text(
-                    text = "选择年月",
-                    style = MaterialTheme.typography.titleLarge,
-                    modifier = Modifier.padding(bottom = 16.dp)
-                )
-
-                // 年份选择
-                Row(
-                    modifier = Modifier.fillMaxWidth(),
-                    horizontalArrangement = Arrangement.SpaceBetween,
-                    verticalAlignment = Alignment.CenterVertically
-                ) {
-                    IconButton(onClick = {
-                        currentYearMonth = currentYearMonth.minusYears(1)
-                    }) {
-                        Text("<")
-                    }
-                    Text(
-                        text = "${currentYearMonth.year}年",
-                        style = MaterialTheme.typography.titleMedium
-                    )
-                    IconButton(onClick = {
-                        currentYearMonth = currentYearMonth.plusYears(1)
-                    }) {
-                        Text(">")
-                    }
-                }
-
-                Spacer(modifier = Modifier.height(16.dp))
-
-                // 月份网格
-                LazyVerticalGrid(
-                    columns = GridCells.Fixed(3), modifier = Modifier.height(200.dp)
-                ) {
-                    items(12) { index ->
-                        val month = index + 1
-                        val isSelected = month == currentYearMonth.monthValue
-
-                        Surface(
-                            modifier = Modifier
-                                .padding(4.dp)
-                                .aspectRatio(1.5f)
-                                .clickable {
-                                    currentYearMonth = YearMonth.of(currentYearMonth.year, month)
-                                },
-                            shape = MaterialTheme.shapes.small,
-                            color = if (isSelected) MaterialTheme.colorScheme.primary
-                            else MaterialTheme.colorScheme.surface
-                        ) {
-                            Box(
-                                contentAlignment = Alignment.Center,
-                                modifier = Modifier.fillMaxSize()
-                            ) {
-                                Text(
-                                    text = "${month}月",
-                                    color = if (isSelected) MaterialTheme.colorScheme.onPrimary
-                                    else MaterialTheme.colorScheme.onSurface
-                                )
-                            }
-                        }
-                    }
-                }
-
-                // 按钮行
-                Row(
-                    modifier = Modifier
-                        .fillMaxWidth()
-                        .padding(top = 16.dp),
-                    horizontalArrangement = Arrangement.End
-                ) {
-                    TextButton(onClick = onDismiss) {
-                        Text("取消")
-                    }
-                    Spacer(modifier = Modifier.width(8.dp))
-                    Button(onClick = {
-                        onMonthSelected(currentYearMonth)
-                        onDismiss()
-                    }) {
-                        Text("确定")
-                    }
-                }
-            }
-        }
-    }
-}
-
-@Composable
-fun MonthlyStatistics(
-    totalIncome: Double,
-    totalExpense: Double,
-    onIncomeClick: () -> Unit,
-    onExpenseClick: () -> Unit,
-    selectedType: TransactionType?,
-    onClearFilter: () -> Unit,
-    selectedMonth: YearMonth,
-    onPreviousMonth: () -> Unit,
-    onNextMonth: () -> Unit,
-    onMonthSelected: (YearMonth) -> Unit,
-    modifier: Modifier = Modifier
-) {
-    var showMonthPicker by remember { mutableStateOf(false) }
-
-    Card(
-        modifier = modifier
-            .fillMaxWidth()
-            .padding(16.dp),
-        elevation = CardDefaults.cardElevation(defaultElevation = 4.dp)
-    ) {
-        Column(
-            modifier = Modifier
-                .fillMaxWidth()
-                .padding(16.dp)
-        ) {
-            // 月份选择器
-            Row(
-                modifier = Modifier.fillMaxWidth(),
-                horizontalArrangement = Arrangement.SpaceBetween,
-                verticalAlignment = Alignment.CenterVertically
-            ) {
-                IconButton(onClick = onPreviousMonth) {
-                    Icon(Icons.AutoMirrored.Filled.KeyboardArrowLeft, "上个月")
-                }
-
-                Text(text = "${selectedMonth.year}年${selectedMonth.monthValue}月",
-                    style = MaterialTheme.typography.titleLarge,
-                    modifier = Modifier.clickable { showMonthPicker = true })
-
-                IconButton(onClick = onNextMonth) {
-                    Icon(Icons.AutoMirrored.Filled.KeyboardArrowRight, "下个月")
-                }
-            }
-
-            Spacer(modifier = Modifier.height(16.dp))
-
-            Row(
-                modifier = Modifier.fillMaxWidth(), horizontalArrangement = Arrangement.SpaceBetween
-            ) {
-                // 收入统计
-                Column(modifier = Modifier
-                    .weight(1f)
-                    .clickable { onIncomeClick() }
-                    .background(
-                        if (selectedType == TransactionType.INCOME) MaterialTheme.colorScheme.primaryContainer
-                        else Color.Transparent, RoundedCornerShape(8.dp)
-                    )
-                    .padding(8.dp)) {
-                    Text(
-                        text = "收入", style = MaterialTheme.typography.titleMedium
-                    )
-                    Text(
-                        text = "¥${String.format("%.2f", totalIncome)}",
-                        style = MaterialTheme.typography.bodyLarge,
-                        color = MaterialTheme.colorScheme.primary
-                    )
-                }
-
-                Spacer(modifier = Modifier.width(16.dp))
-
-                // 支出统计
-                Column(modifier = Modifier
-                    .weight(1f)
-                    .clickable { onExpenseClick() }
-                    .background(
-                        if (selectedType == TransactionType.EXPENSE) MaterialTheme.colorScheme.primaryContainer
-                        else Color.Transparent, RoundedCornerShape(8.dp)
-                    )
-                    .padding(8.dp)) {
-                    Text(
-                        text = "支出", style = MaterialTheme.typography.titleMedium
-                    )
-                    Text(
-                        text = "¥${String.format("%.2f", totalExpense)}",
-                        style = MaterialTheme.typography.bodyLarge,
-                        color = MaterialTheme.colorScheme.error
-                    )
-                }
-            }
-
-            if (selectedType != null) {
-                TextButton(
-                    onClick = onClearFilter, modifier = Modifier.align(Alignment.End)
-                ) {
-                    Text("清除筛选")
-                }
-            }
-        }
-    }
-
-    if (showMonthPicker) {
-        MonthYearPickerDialog(selectedMonth = selectedMonth,
-            onMonthSelected = onMonthSelected,
-            onDismiss = { showMonthPicker = false })
-    }
-}
-
-@Composable
-fun RecordItem(
-    record: BookkeepingRecord,
-    onClick: () -> Unit = {},
-    onDelete: () -> Unit = {},
-    modifier: Modifier = Modifier
-) {
-    Card(
-        modifier = modifier
-            .fillMaxWidth()
-            .clickable(onClick = onClick),
-        elevation = CardDefaults.cardElevation(defaultElevation = 2.dp)
-    ) {
-        Row(
-            modifier = Modifier
-                .fillMaxWidth()
-                .padding(16.dp),
-            horizontalArrangement = Arrangement.SpaceBetween,
-            verticalAlignment = Alignment.CenterVertically
-        ) {
-            Column(modifier = Modifier.weight(1f)) {
-                Text(
-                    text = record.category, style = MaterialTheme.typography.titleMedium
-                )
-                if (record.description.isNotEmpty()) {
-                    Text(
-                        text = record.description,
-                        style = MaterialTheme.typography.bodyMedium,
-                        color = MaterialTheme.colorScheme.onSurfaceVariant
-                    )
-                }
-                Text(
-                    text = SimpleDateFormat(
-                        "yyyy-MM-dd HH:mm", Locale.getDefault()
-                    ).format(record.date),
-                    style = MaterialTheme.typography.bodySmall,
-                    color = MaterialTheme.colorScheme.onSurfaceVariant
-                )
-            }
-
-            Row(
-                verticalAlignment = Alignment.CenterVertically
-            ) {
-                Text(
-                    text = if (record.type == TransactionType.EXPENSE) "-" else "+",
-                    color = if (record.type == TransactionType.EXPENSE) MaterialTheme.colorScheme.error
-                    else MaterialTheme.colorScheme.primary,
-                    style = MaterialTheme.typography.titleMedium
-                )
-                Text(
-                    text = String.format("%.2f", record.amount),
-                    color = if (record.type == TransactionType.EXPENSE) MaterialTheme.colorScheme.error
-                    else MaterialTheme.colorScheme.primary,
-                    style = MaterialTheme.typography.titleMedium,
-                    modifier = Modifier.padding(end = 8.dp)
-                )
-                IconButton(onClick = onDelete) {
-                    Icon(
-                        Icons.Default.Delete,
-                        contentDescription = "删除",
-                        tint = MaterialTheme.colorScheme.error
-                    )
-                }
-            }
-        }
+    // 编辑记录对话框
+    selectedRecord?.let { record ->
+        RecordEditDialog(
+            record = record,
+            categories = categories,
+            members = members,
+            onDismiss = { selectedRecord = null },
+            onConfirm = { updatedRecord ->
+                viewModel.updateRecord(updatedRecord)
+                selectedRecord = null
+            }
+        )
     }
 }
diff --git a/app/src/main/java/com/yovinchen/bookkeeping/ui/screen/SettingsScreen.kt b/app/src/main/java/com/yovinchen/bookkeeping/ui/screen/SettingsScreen.kt
index 05fb814..eff0a53 100644
--- a/app/src/main/java/com/yovinchen/bookkeeping/ui/screen/SettingsScreen.kt
+++ b/app/src/main/java/com/yovinchen/bookkeeping/ui/screen/SettingsScreen.kt
@@ -28,6 +28,8 @@ import com.yovinchen.bookkeeping.model.ThemeMode
 import com.yovinchen.bookkeeping.ui.components.ColorPicker
 import com.yovinchen.bookkeeping.ui.components.predefinedColors
 import com.yovinchen.bookkeeping.ui.dialog.CategoryManagementDialog
+import com.yovinchen.bookkeeping.ui.dialog.MemberManagementDialog
+import com.yovinchen.bookkeeping.viewmodel.MemberViewModel
 import com.yovinchen.bookkeeping.viewmodel.SettingsViewModel
 
 @OptIn(ExperimentalMaterial3Api::class)
@@ -35,15 +37,27 @@ import com.yovinchen.bookkeeping.viewmodel.SettingsViewModel
 fun SettingsScreen(
     currentTheme: ThemeMode,
     onThemeChange: (ThemeMode) -> Unit,
-    viewModel: SettingsViewModel = viewModel()
+    viewModel: SettingsViewModel = viewModel(),
+    memberViewModel: MemberViewModel = viewModel()
 ) {
     var showThemeDialog by remember { mutableStateOf(false) }
     var showCategoryDialog by remember { mutableStateOf(false) }
+    var showMemberDialog by remember { mutableStateOf(false) }
     
     val categories by viewModel.categories.collectAsState()
     val selectedType by viewModel.selectedCategoryType.collectAsState()
+    val members by memberViewModel.allMembers.collectAsState(initial = emptyList())
 
     Column(modifier = Modifier.fillMaxSize()) {
+        // 成员管理设置项
+        ListItem(
+            headlineContent = { Text("成员管理") },
+            supportingContent = { Text("管理账本成员") },
+            modifier = Modifier.clickable { showMemberDialog = true }
+        )
+
+        Divider()
+
         // 类别管理设置项
         ListItem(
             headlineContent = { Text("类别管理") },
@@ -145,6 +159,19 @@ fun SettingsScreen(
             onTypeChange = viewModel::setSelectedCategoryType
         )
     }
+
+    // 成员管理对话框
+    if (showMemberDialog) {
+        MemberManagementDialog(
+            onDismiss = { showMemberDialog = false },
+            members = members,
+            onAddMember = memberViewModel::addMember,
+            onDeleteMember = memberViewModel::deleteMember,
+            onUpdateMember = { member, name, description ->
+                memberViewModel.updateMember(member.copy(name = name, description = description))
+            }
+        )
+    }
 }
 
 @Composable
diff --git a/app/src/main/java/com/yovinchen/bookkeeping/viewmodel/HomeViewModel.kt b/app/src/main/java/com/yovinchen/bookkeeping/viewmodel/HomeViewModel.kt
index 37eb2ea..3e9d9e8 100644
--- a/app/src/main/java/com/yovinchen/bookkeeping/viewmodel/HomeViewModel.kt
+++ b/app/src/main/java/com/yovinchen/bookkeeping/viewmodel/HomeViewModel.kt
@@ -7,6 +7,7 @@ import androidx.lifecycle.viewModelScope
 import com.yovinchen.bookkeeping.data.BookkeepingDatabase
 import com.yovinchen.bookkeeping.model.BookkeepingRecord
 import com.yovinchen.bookkeeping.model.Category
+import com.yovinchen.bookkeeping.model.Member
 import com.yovinchen.bookkeeping.model.TransactionType
 import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.flow.*
@@ -14,37 +15,39 @@ import kotlinx.coroutines.launch
 import java.time.LocalDateTime
 import java.time.ZoneId
 import java.time.YearMonth
-import java.util.Date
-import java.util.Calendar
+import java.util.*
 
 @OptIn(ExperimentalCoroutinesApi::class)
 class HomeViewModel(application: Application) : AndroidViewModel(application) {
     private val TAG = "HomeViewModel"
-    private val dao = BookkeepingDatabase.getDatabase(application).bookkeepingDao()
+    private val bookkeepingDao = BookkeepingDatabase.getDatabase(application).bookkeepingDao()
+    private val memberDao = BookkeepingDatabase.getDatabase(application).memberDao()
+    private val categoryDao = BookkeepingDatabase.getDatabase(application).categoryDao()
 
     private val _selectedRecordType = MutableStateFlow<TransactionType?>(null)
     val selectedRecordType: StateFlow<TransactionType?> = _selectedRecordType.asStateFlow()
 
-    private val _selectedDateTime = MutableStateFlow(LocalDateTime.now())
-    val selectedDateTime: StateFlow<LocalDateTime> = _selectedDateTime.asStateFlow()
-
-    private val _selectedCategoryType = MutableStateFlow(TransactionType.EXPENSE)
-    val selectedCategoryType: StateFlow<TransactionType> = _selectedCategoryType.asStateFlow()
-
     private val _selectedMonth = MutableStateFlow(YearMonth.now())
     val selectedMonth: StateFlow<YearMonth> = _selectedMonth.asStateFlow()
 
-    private val records = dao.getAllRecords()
+    private val _selectedMember = MutableStateFlow<Member?>(null)
+    val selectedMember: StateFlow<Member?> = _selectedMember.asStateFlow()
+
+    val members = memberDao.getAllMembers()
         .stateIn(
             scope = viewModelScope,
             started = SharingStarted.WhileSubscribed(5000),
             initialValue = emptyList()
         )
 
-    val categories: StateFlow<List<Category>> = _selectedCategoryType
-        .flatMapLatest { type ->
-            dao.getCategoriesByType(type)
-        }
+    val categories = categoryDao.getAllCategories()
+        .stateIn(
+            scope = viewModelScope,
+            started = SharingStarted.WhileSubscribed(5000),
+            initialValue = emptyList()
+        )
+
+    private val allRecords = bookkeepingDao.getAllRecords()
         .stateIn(
             scope = viewModelScope,
             started = SharingStarted.WhileSubscribed(5000),
@@ -52,26 +55,28 @@ class HomeViewModel(application: Application) : AndroidViewModel(application) {
         )
 
     val filteredRecords = combine(
-        records,
+        allRecords,
         _selectedRecordType,
-        _selectedMonth
-    ) { records, selectedType, selectedMonth ->
+        _selectedMonth,
+        _selectedMember
+    ) { records, selectedType, selectedMonth, selectedMember ->
         records
             .filter { record ->
                 val recordDate = record.date.toInstant()
                     .atZone(ZoneId.systemDefault())
                     .toLocalDate()
                 val recordYearMonth = YearMonth.from(recordDate)
-                
+
                 val typeMatches = selectedType?.let { record.type == it } ?: true
                 val monthMatches = recordYearMonth == selectedMonth
-                
-                typeMatches && monthMatches
+                val memberMatches = selectedMember?.let { record.memberId == it.id } ?: true
+
+                monthMatches && memberMatches && typeMatches
             }
             .sortedByDescending { it.date }
             .groupBy { record ->
-                val calendar = Calendar.getInstance().apply { time = record.date }
-                calendar.apply {
+                Calendar.getInstance().apply { 
+                    time = record.date
                     set(Calendar.HOUR_OF_DAY, 0)
                     set(Calendar.MINUTE, 0)
                     set(Calendar.SECOND, 0)
@@ -79,15 +84,16 @@ class HomeViewModel(application: Application) : AndroidViewModel(application) {
                 }.time
             }
     }.stateIn(
-        viewModelScope,
-        SharingStarted.WhileSubscribed(5000),
-        emptyMap()
+        scope = viewModelScope,
+        started = SharingStarted.WhileSubscribed(5000),
+        initialValue = emptyMap()
     )
 
     val totalIncome = combine(
-        records,
-        _selectedMonth
-    ) { records, selectedMonth ->
+        allRecords,
+        _selectedMonth,
+        _selectedMember
+    ) { records, selectedMonth, selectedMember ->
         records
             .filter { record ->
                 val recordDate = record.date.toInstant()
@@ -95,19 +101,24 @@ class HomeViewModel(application: Application) : AndroidViewModel(application) {
                     .toLocalDate()
                 val recordYearMonth = YearMonth.from(recordDate)
                 
-                record.type == TransactionType.INCOME && recordYearMonth == selectedMonth
+                val monthMatches = recordYearMonth == selectedMonth
+                val memberMatches = selectedMember?.let { record.memberId == it.id } ?: true
+                val typeMatches = record.type == TransactionType.INCOME
+
+                monthMatches && memberMatches && typeMatches
             }
             .sumOf { it.amount }
     }.stateIn(
-        viewModelScope,
-        SharingStarted.WhileSubscribed(5000),
-        0.0
+        scope = viewModelScope,
+        started = SharingStarted.WhileSubscribed(5000),
+        initialValue = 0.0
     )
 
     val totalExpense = combine(
-        records,
-        _selectedMonth
-    ) { records, selectedMonth ->
+        allRecords,
+        _selectedMonth,
+        _selectedMember
+    ) { records, selectedMonth, selectedMember ->
         records
             .filter { record ->
                 val recordDate = record.date.toInstant()
@@ -115,111 +126,73 @@ class HomeViewModel(application: Application) : AndroidViewModel(application) {
                     .toLocalDate()
                 val recordYearMonth = YearMonth.from(recordDate)
                 
-                record.type == TransactionType.EXPENSE && recordYearMonth == selectedMonth
+                val monthMatches = recordYearMonth == selectedMonth
+                val memberMatches = selectedMember?.let { record.memberId == it.id } ?: true
+                val typeMatches = record.type == TransactionType.EXPENSE
+
+                monthMatches && memberMatches && typeMatches
             }
             .sumOf { it.amount }
     }.stateIn(
-        viewModelScope,
-        SharingStarted.WhileSubscribed(5000),
-        0.0
+        scope = viewModelScope,
+        started = SharingStarted.WhileSubscribed(5000),
+        initialValue = 0.0
     )
 
-    private fun updateTotals() {
-        // 移除未使用的参数
-    }
-
-    init {
-        viewModelScope.launch {
-            records.collect {
-                updateTotals()
-            }
-        }
-    }
-
-    fun addRecord(type: TransactionType, amount: Double, category: String, description: String) {
-        viewModelScope.launch {
-            val record = BookkeepingRecord(
-                amount = amount,
-                type = type,
-                category = category,
-                description = description,
-                date = Date.from(_selectedDateTime.value.atZone(ZoneId.systemDefault()).toInstant())
-            )
-            dao.insertRecord(record)
-            resetSelectedDateTime()
-        }
-    }
-
-    fun setSelectedDateTime(dateTime: LocalDateTime) {
-        _selectedDateTime.value = dateTime
-    }
-
-    fun setSelectedRecordType(type: TransactionType?) {
-        _selectedRecordType.value = type
-    }
-
-    fun setSelectedCategoryType(type: TransactionType) {
-        _selectedCategoryType.value = type
-    }
-
     fun setSelectedMonth(yearMonth: YearMonth) {
         _selectedMonth.value = yearMonth
     }
 
+    fun setSelectedMember(member: Member?) {
+        _selectedMember.value = member
+    }
+
     fun moveMonth(forward: Boolean) {
-        val current = _selectedMonth.value
         _selectedMonth.value = if (forward) {
-            current.plusMonths(1)
+            _selectedMonth.value.plusMonths(1)
         } else {
-            current.minusMonths(1)
+            _selectedMonth.value.minusMonths(1)
         }
     }
 
-    fun resetSelectedDateTime() {
-        _selectedDateTime.value = LocalDateTime.now()
+    suspend fun getMemberById(memberId: Int): Member? {
+        return memberDao.getMemberById(memberId)
+    }
+
+    fun addRecord(
+        amount: Double,
+        category: String,
+        description: String,
+        date: Date,
+        type: TransactionType,
+        memberId: Int?
+    ) {
+        viewModelScope.launch {
+            val record = BookkeepingRecord(
+                type = type,
+                amount = amount,
+                category = category,
+                description = description,
+                date = date,
+                memberId = memberId
+            )
+            bookkeepingDao.insertRecord(record)
+        }
     }
 
     fun updateRecord(record: BookkeepingRecord) {
         viewModelScope.launch {
-            dao.updateRecord(record)
+            bookkeepingDao.updateRecord(record)
         }
     }
 
     fun deleteRecord(record: BookkeepingRecord) {
         viewModelScope.launch {
-            dao.deleteRecord(record)
+            bookkeepingDao.deleteRecord(record)
         }
     }
 
-    // 获取指定日期的记录
-    fun getRecordsByDate(date: LocalDateTime): Flow<List<BookkeepingRecord>> {
-        val calendar = Calendar.getInstance().apply {
-            time = Date.from(date.atZone(ZoneId.systemDefault()).toInstant())
-            set(Calendar.HOUR_OF_DAY, 0)
-            set(Calendar.MINUTE, 0)
-            set(Calendar.SECOND, 0)
-            set(Calendar.MILLISECOND, 0)
-        }
-        val startOfDay = calendar.time
-        calendar.add(Calendar.DAY_OF_MONTH, 1)
-        val endOfDay = calendar.time
-        return dao.getRecordsByDateRange(startOfDay, endOfDay)
-    }
-
-    // 获取指定日期范围的记录
-    fun getRecordsByDateRange(startDate: LocalDateTime, endDate: LocalDateTime): Flow<List<BookkeepingRecord>> {
-        val start = Date.from(startDate.atZone(ZoneId.systemDefault()).toInstant())
-        val end = Date.from(endDate.atZone(ZoneId.systemDefault()).toInstant())
-        return dao.getRecordsByDateRange(start, end)
-    }
-
-    // 获取指定类型的记录
-    fun getRecordsByType(type: TransactionType): Flow<List<BookkeepingRecord>> {
-        return dao.getRecordsByType(type)
+    fun setSelectedRecordType(type: TransactionType?) {
+        _selectedRecordType.value = type
     }
 }
-
-data class UiState(
-    val isAddingRecord: Boolean = false,
-    val isManagingCategories: Boolean = false
-)
diff --git a/app/src/main/java/com/yovinchen/bookkeeping/viewmodel/MemberViewModel.kt b/app/src/main/java/com/yovinchen/bookkeeping/viewmodel/MemberViewModel.kt
new file mode 100644
index 0000000..f4b84cc
--- /dev/null
+++ b/app/src/main/java/com/yovinchen/bookkeeping/viewmodel/MemberViewModel.kt
@@ -0,0 +1,38 @@
+package com.yovinchen.bookkeeping.viewmodel
+
+import android.app.Application
+import androidx.lifecycle.AndroidViewModel
+import androidx.lifecycle.viewModelScope
+import com.yovinchen.bookkeeping.data.BookkeepingDatabase
+import com.yovinchen.bookkeeping.model.Member
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.launch
+
+class MemberViewModel(application: Application) : AndroidViewModel(application) {
+    private val memberDao = BookkeepingDatabase.getDatabase(application).memberDao()
+    
+    val allMembers: Flow<List<Member>> = memberDao.getAllMembers()
+
+    fun addMember(name: String, description: String = "") {
+        viewModelScope.launch {
+            val member = Member(name = name, description = description)
+            memberDao.insertMember(member)
+        }
+    }
+
+    fun updateMember(member: Member) {
+        viewModelScope.launch {
+            memberDao.updateMember(member)
+        }
+    }
+
+    fun deleteMember(member: Member) {
+        viewModelScope.launch {
+            memberDao.deleteMember(member)
+        }
+    }
+
+    suspend fun getMemberCount(): Int {
+        return memberDao.getMemberCount()
+    }
+}