diff --git a/src-tauri/src/commands/usage.rs b/src-tauri/src/commands/usage.rs
index 6aa4778..3808e97 100644
--- a/src-tauri/src/commands/usage.rs
+++ b/src-tauri/src/commands/usage.rs
@@ -71,36 +71,61 @@ pub struct ProjectUsage {
 
 // Claude pricing constants (per million tokens)
 // 最新价格表 (2025-01)
-// Claude 4.x 系列
+// 注意：Cache Writes 使用 5m (5分钟) 的价格，1h 价格更高
+
+// Claude Opus 系列
 const OPUS_4_1_INPUT_PRICE: f64 = 15.0;
 const OPUS_4_1_OUTPUT_PRICE: f64 = 75.0;
-const OPUS_4_1_CACHE_WRITE_PRICE: f64 = 18.75;
+const OPUS_4_1_CACHE_WRITE_PRICE: f64 = 18.75;  // 5m cache writes
 const OPUS_4_1_CACHE_READ_PRICE: f64 = 1.50;
 
+const OPUS_4_INPUT_PRICE: f64 = 15.0;
+const OPUS_4_OUTPUT_PRICE: f64 = 75.0;
+const OPUS_4_CACHE_WRITE_PRICE: f64 = 18.75;  // 5m cache writes
+const OPUS_4_CACHE_READ_PRICE: f64 = 1.50;
+
+const OPUS_3_INPUT_PRICE: f64 = 15.0;
+const OPUS_3_OUTPUT_PRICE: f64 = 75.0;
+const OPUS_3_CACHE_WRITE_PRICE: f64 = 18.75;  // 5m cache writes
+const OPUS_3_CACHE_READ_PRICE: f64 = 1.50;
+
+// Claude Sonnet 系列
+const SONNET_4_5_INPUT_PRICE: f64 = 3.0;
+const SONNET_4_5_OUTPUT_PRICE: f64 = 15.0;
+const SONNET_4_5_CACHE_WRITE_PRICE: f64 = 3.75;  // 5m cache writes
+const SONNET_4_5_CACHE_READ_PRICE: f64 = 0.30;
+
 const SONNET_4_INPUT_PRICE: f64 = 3.0;
 const SONNET_4_OUTPUT_PRICE: f64 = 15.0;
-const SONNET_4_CACHE_WRITE_PRICE: f64 = 3.75;
+const SONNET_4_CACHE_WRITE_PRICE: f64 = 3.75;  // 5m cache writes
 const SONNET_4_CACHE_READ_PRICE: f64 = 0.30;
 
-// Claude 3.x 系列 (旧版本，价格可能不同)
-// Sonnet 3.7/3.5
-const SONNET_3_INPUT_PRICE: f64 = 3.0;
-const SONNET_3_OUTPUT_PRICE: f64 = 15.0;
-const SONNET_3_CACHE_WRITE_PRICE: f64 = 3.75;
-const SONNET_3_CACHE_READ_PRICE: f64 = 0.30;
+const SONNET_3_7_INPUT_PRICE: f64 = 3.0;
+const SONNET_3_7_OUTPUT_PRICE: f64 = 15.0;
+const SONNET_3_7_CACHE_WRITE_PRICE: f64 = 3.75;  // 5m cache writes
+const SONNET_3_7_CACHE_READ_PRICE: f64 = 0.30;
 
-// Opus 3 - 假设与 Opus 4.1 相同
-const OPUS_3_INPUT_PRICE: f64 = 15.0;
-const OPUS_3_OUTPUT_PRICE: f64 = 75.0;
-const OPUS_3_CACHE_WRITE_PRICE: f64 = 18.75;
-const OPUS_3_CACHE_READ_PRICE: f64 = 1.50;
+const SONNET_3_5_INPUT_PRICE: f64 = 3.0;
+const SONNET_3_5_OUTPUT_PRICE: f64 = 15.0;
+const SONNET_3_5_CACHE_WRITE_PRICE: f64 = 3.75;  // 5m cache writes
+const SONNET_3_5_CACHE_READ_PRICE: f64 = 0.30;
+
+// Claude Haiku 系列
+const HAIKU_4_5_INPUT_PRICE: f64 = 1.0;
+const HAIKU_4_5_OUTPUT_PRICE: f64 = 5.0;
+const HAIKU_4_5_CACHE_WRITE_PRICE: f64 = 1.25;  // 5m cache writes
+const HAIKU_4_5_CACHE_READ_PRICE: f64 = 0.10;
 
-// Haiku 3.5 - 最具性价比
 const HAIKU_3_5_INPUT_PRICE: f64 = 0.80;
 const HAIKU_3_5_OUTPUT_PRICE: f64 = 4.0;
-const HAIKU_3_5_CACHE_WRITE_PRICE: f64 = 1.0;
+const HAIKU_3_5_CACHE_WRITE_PRICE: f64 = 1.0;  // 5m cache writes
 const HAIKU_3_5_CACHE_READ_PRICE: f64 = 0.08;
 
+const HAIKU_3_INPUT_PRICE: f64 = 0.25;
+const HAIKU_3_OUTPUT_PRICE: f64 = 1.25;
+const HAIKU_3_CACHE_WRITE_PRICE: f64 = 0.30;  // 5m cache writes
+const HAIKU_3_CACHE_READ_PRICE: f64 = 0.03;
+
 #[derive(Debug, Deserialize)]
 struct JsonlEntry {
     timestamp: String,
@@ -151,9 +176,8 @@ fn calculate_cost(model: &str, usage: &UsageData) -> f64 {
 
 // 独立的模型价格匹配函数，更精确的模型识别
 fn match_model_prices(model_lower: &str) -> (f64, f64, f64, f64) {
-    // Claude Opus 4.1 (最新最强)
-    if model_lower.contains("opus") && (model_lower.contains("4-1") || model_lower.contains("4.1"))
-    {
+    // Claude Opus 系列
+    if model_lower.contains("opus") && (model_lower.contains("4-1") || model_lower.contains("4.1")) {
         (
             OPUS_4_1_INPUT_PRICE,
             OPUS_4_1_OUTPUT_PRICE,
@@ -161,41 +185,14 @@ fn match_model_prices(model_lower: &str) -> (f64, f64, f64, f64) {
             OPUS_4_1_CACHE_READ_PRICE,
         )
     }
-    // Claude Sonnet 4
-    else if model_lower.contains("sonnet")
-        && (model_lower.contains("-4-") || model_lower.contains("sonnet-4"))
-    {
+    else if model_lower.contains("opus") && model_lower.contains("4") && !model_lower.contains("4-1") && !model_lower.contains("4.1") {
         (
-            SONNET_4_INPUT_PRICE,
-            SONNET_4_OUTPUT_PRICE,
-            SONNET_4_CACHE_WRITE_PRICE,
-            SONNET_4_CACHE_READ_PRICE,
+            OPUS_4_INPUT_PRICE,
+            OPUS_4_OUTPUT_PRICE,
+            OPUS_4_CACHE_WRITE_PRICE,
+            OPUS_4_CACHE_READ_PRICE,
         )
     }
-    // Claude Haiku 3.5
-    else if model_lower.contains("haiku") {
-        (
-            HAIKU_3_5_INPUT_PRICE,
-            HAIKU_3_5_OUTPUT_PRICE,
-            HAIKU_3_5_CACHE_WRITE_PRICE,
-            HAIKU_3_5_CACHE_READ_PRICE,
-        )
-    }
-    // Claude 3.x Sonnet 系列（3.7, 3.5）
-    else if model_lower.contains("sonnet")
-        && (model_lower.contains("3-7")
-            || model_lower.contains("3.7")
-            || model_lower.contains("3-5")
-            || model_lower.contains("3.5"))
-    {
-        (
-            SONNET_3_INPUT_PRICE,
-            SONNET_3_OUTPUT_PRICE,
-            SONNET_3_CACHE_WRITE_PRICE,
-            SONNET_3_CACHE_READ_PRICE,
-        )
-    }
-    // Claude 3 Opus (旧版)
     else if model_lower.contains("opus") && model_lower.contains("3") {
         (
             OPUS_3_INPUT_PRICE,
@@ -204,16 +201,74 @@ fn match_model_prices(model_lower: &str) -> (f64, f64, f64, f64) {
             OPUS_3_CACHE_READ_PRICE,
         )
     }
-    // 默认 Sonnet（未明确版本号时）
-    else if model_lower.contains("sonnet") {
+    // Claude Sonnet 系列
+    else if model_lower.contains("sonnet") && (model_lower.contains("4-5") || model_lower.contains("4.5")) {
         (
-            SONNET_3_INPUT_PRICE,
-            SONNET_3_OUTPUT_PRICE,
-            SONNET_3_CACHE_WRITE_PRICE,
-            SONNET_3_CACHE_READ_PRICE,
+            SONNET_4_5_INPUT_PRICE,
+            SONNET_4_5_OUTPUT_PRICE,
+            SONNET_4_5_CACHE_WRITE_PRICE,
+            SONNET_4_5_CACHE_READ_PRICE,
         )
     }
-    // 默认 Opus（未明确版本号时，假设是最新版）
+    else if model_lower.contains("sonnet") && (model_lower.contains("-4-") || model_lower.contains("sonnet-4") || model_lower.contains("4-20")) {
+        (
+            SONNET_4_INPUT_PRICE,
+            SONNET_4_OUTPUT_PRICE,
+            SONNET_4_CACHE_WRITE_PRICE,
+            SONNET_4_CACHE_READ_PRICE,
+        )
+    }
+    else if model_lower.contains("sonnet") && (model_lower.contains("3-7") || model_lower.contains("3.7")) {
+        (
+            SONNET_3_7_INPUT_PRICE,
+            SONNET_3_7_OUTPUT_PRICE,
+            SONNET_3_7_CACHE_WRITE_PRICE,
+            SONNET_3_7_CACHE_READ_PRICE,
+        )
+    }
+    else if model_lower.contains("sonnet") && (model_lower.contains("3-5") || model_lower.contains("3.5")) {
+        (
+            SONNET_3_5_INPUT_PRICE,
+            SONNET_3_5_OUTPUT_PRICE,
+            SONNET_3_5_CACHE_WRITE_PRICE,
+            SONNET_3_5_CACHE_READ_PRICE,
+        )
+    }
+    // Claude Haiku 系列
+    else if model_lower.contains("haiku") && (model_lower.contains("4-5") || model_lower.contains("4.5")) {
+        (
+            HAIKU_4_5_INPUT_PRICE,
+            HAIKU_4_5_OUTPUT_PRICE,
+            HAIKU_4_5_CACHE_WRITE_PRICE,
+            HAIKU_4_5_CACHE_READ_PRICE,
+        )
+    }
+    else if model_lower.contains("haiku") && (model_lower.contains("3-5") || model_lower.contains("3.5")) {
+        (
+            HAIKU_3_5_INPUT_PRICE,
+            HAIKU_3_5_OUTPUT_PRICE,
+            HAIKU_3_5_CACHE_WRITE_PRICE,
+            HAIKU_3_5_CACHE_READ_PRICE,
+        )
+    }
+    else if model_lower.contains("haiku") && model_lower.contains("3") && !model_lower.contains("3-5") && !model_lower.contains("3.5") {
+        (
+            HAIKU_3_INPUT_PRICE,
+            HAIKU_3_OUTPUT_PRICE,
+            HAIKU_3_CACHE_WRITE_PRICE,
+            HAIKU_3_CACHE_READ_PRICE,
+        )
+    }
+    // 默认 Sonnet（未明确版本号时，使用 Sonnet 4 作为默认）
+    else if model_lower.contains("sonnet") {
+        (
+            SONNET_4_INPUT_PRICE,
+            SONNET_4_OUTPUT_PRICE,
+            SONNET_4_CACHE_WRITE_PRICE,
+            SONNET_4_CACHE_READ_PRICE,
+        )
+    }
+    // 默认 Opus（未明确版本号时，假设是最新版 4.1）
     else if model_lower.contains("opus") {
         (
             OPUS_4_1_INPUT_PRICE,
@@ -222,15 +277,23 @@ fn match_model_prices(model_lower: &str) -> (f64, f64, f64, f64) {
             OPUS_4_1_CACHE_READ_PRICE,
         )
     }
-    // 未知模型
-    else {
-        log::warn!("Unknown model for cost calculation: {}", model_lower);
-        // 默认使用 Sonnet 3 的价格（保守估计）
+    // 默认 Haiku（未明确版本号时，使用 Haiku 3.5）
+    else if model_lower.contains("haiku") {
         (
-            SONNET_3_INPUT_PRICE,
-            SONNET_3_OUTPUT_PRICE,
-            SONNET_3_CACHE_WRITE_PRICE,
-            SONNET_3_CACHE_READ_PRICE,
+            HAIKU_3_5_INPUT_PRICE,
+            HAIKU_3_5_OUTPUT_PRICE,
+            HAIKU_3_5_CACHE_WRITE_PRICE,
+            HAIKU_3_5_CACHE_READ_PRICE,
+        )
+    }
+    // 未知模型 - 使用 Sonnet 4 作为默认（用户要求的默认价格）
+    else {
+        log::warn!("Unknown model for cost calculation: {}, using Sonnet 4 prices as default", model_lower);
+        (
+            SONNET_4_INPUT_PRICE,
+            SONNET_4_OUTPUT_PRICE,
+            SONNET_4_CACHE_WRITE_PRICE,
+            SONNET_4_CACHE_READ_PRICE,
         )
     }
 }