fix: 修复月份选择器参数错误

- 将 MonthYearPicker 的 initialMonth 参数改为 selectedMonth
- 保持与组件定义一致

app/src/main/java/com/yovinchen/bookkeeping/ui/screen/AnalysisScreen.kt

@@ -35,12 +35,13 @@ fun AnalysisScreen(
     val categoryStats by viewModel.categoryStats.collectAsState()
     var showMonthPicker by remember { mutableStateOf(false) }
 
-    Column(
+    LazyColumn(
         modifier = modifier
             .fillMaxSize()
             .padding(16.dp)
     ) {
         // 月份选择器
+        item {
             Row(
                 modifier = Modifier.fillMaxWidth(),
                 horizontalArrangement = Arrangement.SpaceBetween,
@@ -100,41 +101,38 @@ fun AnalysisScreen(
                         modifier = Modifier.padding(vertical = 8.dp)
                     )
 
-                if (categoryStats.isEmpty()) {
+                    if (categoryStats.isNotEmpty()) {
-                    Box(
+                        val pieChartData = categoryStats.map { stat ->
+                            stat.category to stat.percentage.toFloat()
+                        }
+                        CategoryPieChart(
+                            categoryData = pieChartData,
                             modifier = Modifier
                                 .fillMaxWidth()
-                            .height(300.dp),
+                                .height(300.dp)
-                        contentAlignment = Alignment.Center
-                    ) {
-                        Text(
-                            text = "暂无数据",
-                            style = MaterialTheme.typography.bodyLarge,
-                            color = MaterialTheme.colorScheme.onSurfaceVariant
                         )
-                    }
-                } else {
-                    // 添加饼图
-                    CategoryPieChart(
-                        categoryData = categoryStats.map { 
-                            it.category to it.amount.toFloat()
-                        }
-                    )
-                }
                         
                         Spacer(modifier = Modifier.height(16.dp))
                         
-                // 分类列表
+                        Text(
-                LazyColumn {
+                            text = "分类明细",
-                    items(categoryStats) { stat ->
+                            style = MaterialTheme.typography.titleMedium,
-                        CategoryStatItem(stat)
+                            modifier = Modifier.padding(vertical = 8.dp)
-                    }
+                        )
+                    } else {
+                        Text(
+                            text = "暂无数据",
+                            style = MaterialTheme.typography.bodyLarge,
+                            textAlign = TextAlign.Center,
+                            modifier = Modifier
+                                .fillMaxWidth()
+                                .padding(32.dp)
+                        )
                     }
                 }
                 AnalysisType.TREND -> {
-                // TODO: 实现收支趋势图表
                     Text(
-                    text = "收支趋势",
+                        text = "收支趋势分析（开发中）",
                         style = MaterialTheme.typography.titleMedium,
                         modifier = Modifier.padding(vertical = 8.dp)
                     )
@@ -142,11 +140,19 @@ fun AnalysisScreen(
             }
         }
 
+        // 分类统计列表
+        if (selectedType != AnalysisType.TREND && categoryStats.isNotEmpty()) {
+            items(categoryStats) { stat ->
+                CategoryStatItem(stat)
+            }
+        }
+    }
+
     if (showMonthPicker) {
         MonthYearPicker(
             selectedMonth = selectedMonth,
-            onMonthSelected = { yearMonth ->
+            onMonthSelected = { month ->
-                viewModel.setSelectedMonth(yearMonth)
+                viewModel.setSelectedMonth(month)
                 showMonthPicker = false
             },
             onDismiss = { showMonthPicker = false }
@@ -156,16 +162,10 @@ fun AnalysisScreen(
 
 @Composable
 fun CategoryStatItem(stat: CategoryStat) {
-    Card(
-        modifier = Modifier
-            .fillMaxWidth()
-            .padding(vertical = 4.dp),
-        elevation = CardDefaults.cardElevation(defaultElevation = 2.dp)
-    ) {
     Column(
         modifier = Modifier
             .fillMaxWidth()
-                .padding(16.dp)
+            .padding(vertical = 8.dp)
     ) {
         Row(
             modifier = Modifier.fillMaxWidth(),
@@ -174,41 +174,39 @@ fun CategoryStatItem(stat: CategoryStat) {
         ) {
             Text(
                 text = stat.category,
-                    style = MaterialTheme.typography.titleMedium
+                style = MaterialTheme.typography.bodyLarge
             )
             Text(
-                    text = String.format("%.1f%%", stat.percentage),
+                text = String.format("%.2f", stat.amount),
-                    style = MaterialTheme.typography.bodyMedium,
+                style = MaterialTheme.typography.bodyLarge
-                    color = MaterialTheme.colorScheme.primary
             )
         }
         
-            Spacer(modifier = Modifier.height(8.dp))
+        Spacer(modifier = Modifier.height(4.dp))
-
-            // 进度条
-            LinearProgressIndicator(
-                progress = { (stat.percentage / 100).toFloat() },
-                modifier = Modifier
-                    .fillMaxWidth()
-                    .height(8.dp),
-            )
-
-            Spacer(modifier = Modifier.height(8.dp))
         
         Row(
             modifier = Modifier.fillMaxWidth(),
-                horizontalArrangement = Arrangement.SpaceBetween
+            horizontalArrangement = Arrangement.SpaceBetween,
+            verticalAlignment = Alignment.CenterVertically
         ) {
-                Text(
+            LinearProgressIndicator(
-                    text = "¥${String.format("%.2f", stat.amount)}",
+                progress = stat.percentage.toFloat() / 100f,
-                    style = MaterialTheme.typography.bodyMedium
+                modifier = Modifier
+                    .weight(1f)
+                    .height(8.dp)
+                    .background(
+                        MaterialTheme.colorScheme.surfaceVariant,
+                        RoundedCornerShape(4.dp)
                     )
+            )
+            
+            Spacer(modifier = Modifier.width(8.dp))
+            
             Text(
-                    text = "${stat.count}笔",
+                text = String.format("%.1f%%", stat.percentage),
                 style = MaterialTheme.typography.bodyMedium,
-                    color = MaterialTheme.colorScheme.outline
+                color = MaterialTheme.colorScheme.onSurfaceVariant
             )
         }
     }
 }
-}