diff --git a/apps/desktop/src-tauri/src/data/repositories/conversation_repository.rs b/apps/desktop/src-tauri/src/data/repositories/conversation_repository.rs
index 495d800..3e7f538 100644
--- a/apps/desktop/src-tauri/src/data/repositories/conversation_repository.rs
+++ b/apps/desktop/src-tauri/src/data/repositories/conversation_repository.rs
@@ -22,13 +22,20 @@ impl ConversationRepository {
         Self { database }
     }
 
-    /// 初始化会话相关数据表
+    /// 初始化会话相关数据表（强制使用连接池）
     pub fn initialize_tables(&self) -> Result<()> {
-        let conn = self.database.get_connection();
-        let conn = conn.lock().unwrap();
+        println!("🏊 使用连接池初始化会话表...");
+
+        // 🚨 强制使用连接池，避免死锁
+        if !self.database.has_pool() {
+            return Err(anyhow!("连接池未启用，无法安全执行数据库操作"));
+        }
+
+        let pooled_conn = self.database.acquire_from_pool()
+            .map_err(|e| anyhow!("获取连接池连接失败: {}", e))?;
 
         // 创建会话表
-        conn.execute(
+        pooled_conn.execute(
             "CREATE TABLE IF NOT EXISTS conversation_sessions (
                 id TEXT PRIMARY KEY,
                 title TEXT,
@@ -41,7 +48,7 @@ impl ConversationRepository {
         )?;
 
         // 创建消息表
-        conn.execute(
+        pooled_conn.execute(
             "CREATE TABLE IF NOT EXISTS conversation_messages (
                 id TEXT PRIMARY KEY,
                 session_id TEXT NOT NULL,
@@ -55,18 +62,19 @@ impl ConversationRepository {
         )?;
 
         // 创建索引以提高查询性能
-        conn.execute(
-            "CREATE INDEX IF NOT EXISTS idx_messages_session_timestamp 
+        pooled_conn.execute(
+            "CREATE INDEX IF NOT EXISTS idx_messages_session_timestamp
              ON conversation_messages (session_id, timestamp)",
             [],
         )?;
 
-        conn.execute(
-            "CREATE INDEX IF NOT EXISTS idx_sessions_active_updated 
+        pooled_conn.execute(
+            "CREATE INDEX IF NOT EXISTS idx_sessions_active_updated
              ON conversation_sessions (is_active, updated_at)",
             [],
         )?;
 
+        println!("✅ 会话表初始化完成");
         Ok(())
     }
 
diff --git a/apps/desktop/src-tauri/src/data/repositories/outfit_image_repository.rs b/apps/desktop/src-tauri/src/data/repositories/outfit_image_repository.rs
index 936952f..ed8a4a4 100644
--- a/apps/desktop/src-tauri/src/data/repositories/outfit_image_repository.rs
+++ b/apps/desktop/src-tauri/src/data/repositories/outfit_image_repository.rs
@@ -438,25 +438,40 @@ impl OutfitImageRepository {
         Ok(records)
     }
 
-    /// 删除穿搭图片生成记录
+    /// 删除穿搭图片生成记录（强制使用连接池）
     pub fn delete_record(&self, id: &str) -> Result<()> {
-        let conn = self.database.get_connection();
-        let conn = conn.lock().map_err(|e| anyhow!("获取数据库连接失败: {}", e))?;
+        println!("🏊 使用连接池删除穿搭记录: {}", &id[..8]);
 
-        conn.execute(
+        // 🚨 强制使用连接池，避免死锁
+        if !self.database.has_pool() {
+            return Err(anyhow!("连接池未启用，无法安全执行数据库操作"));
+        }
+
+        let pooled_conn = self.database.acquire_from_pool()
+            .map_err(|e| anyhow!("获取连接池连接失败: {}", e))?;
+
+        pooled_conn.execute(
             "DELETE FROM outfit_image_records WHERE id = ?1",
             params![id],
         ).map_err(|e| anyhow!("删除穿搭图片记录失败: {}", e))?;
 
+        println!("✅ 连接池删除穿搭记录完成");
         Ok(())
     }
 
-    /// 创建商品图片
+    /// 创建商品图片（强制使用连接池）
     pub fn create_product_image(&self, product_image: &ProductImage) -> Result<()> {
-        let conn = self.database.get_connection();
-        let conn = conn.lock().map_err(|e| anyhow!("获取数据库连接失败: {}", e))?;
+        println!("🏊 使用连接池创建商品图片: {}", &product_image.id[..8]);
 
-        conn.execute(
+        // 🚨 强制使用连接池，避免死锁
+        if !self.database.has_pool() {
+            return Err(anyhow!("连接池未启用，无法安全执行数据库操作"));
+        }
+
+        let pooled_conn = self.database.acquire_from_pool()
+            .map_err(|e| anyhow!("获取连接池连接失败: {}", e))?;
+
+        pooled_conn.execute(
             r#"
             INSERT INTO product_images (
                 id, outfit_record_id, file_path, file_name, file_size,
@@ -475,20 +490,28 @@ impl OutfitImageRepository {
             ],
         ).map_err(|e| anyhow!("创建商品图片失败: {}", e))?;
 
+        println!("✅ 连接池创建商品图片完成");
         Ok(())
     }
 
-    /// 根据记录ID获取商品图片列表
+    /// 根据记录ID获取商品图片列表（强制使用连接池）
     pub fn get_product_images_by_record_id(&self, record_id: &str) -> Result<Vec<ProductImage>> {
-        let conn = self.database.get_connection();
-        let conn = conn.lock().map_err(|e| anyhow!("获取数据库连接失败: {}", e))?;
+        println!("🏊 使用连接池获取商品图片: {}", &record_id[..8]);
 
-        let mut stmt = conn.prepare(
+        // 🚨 强制使用连接池，避免死锁
+        if !self.database.has_pool() {
+            return Err(anyhow!("连接池未启用，无法安全执行数据库操作"));
+        }
+
+        let pooled_conn = self.database.acquire_from_pool()
+            .map_err(|e| anyhow!("获取连接池连接失败: {}", e))?;
+
+        let mut stmt = pooled_conn.prepare(
             r#"
             SELECT id, outfit_record_id, file_path, file_name, file_size,
                    upload_url, description, created_at
-            FROM product_images 
-            WHERE outfit_record_id = ?1 
+            FROM product_images
+            WHERE outfit_record_id = ?1
             ORDER BY created_at ASC
             "#,
         ).map_err(|e| anyhow!("准备查询语句失败: {}", e))?;
@@ -502,18 +525,26 @@ impl OutfitImageRepository {
             images.push(image.map_err(|e| anyhow!("解析商品图片失败: {}", e))?);
         }
 
+        println!("✅ 连接池查询商品图片完成，获取到 {} 张图片", images.len());
         Ok(images)
     }
 
-    /// 创建穿搭图片
+    /// 创建穿搭图片（强制使用连接池）
     pub fn create_outfit_image(&self, outfit_image: &OutfitImage) -> Result<()> {
-        let conn = self.database.get_connection();
-        let conn = conn.lock().map_err(|e| anyhow!("获取数据库连接失败: {}", e))?;
+        println!("🏊 使用连接池创建穿搭图片: {}", &outfit_image.id[..8]);
+
+        // 🚨 强制使用连接池，避免死锁
+        if !self.database.has_pool() {
+            return Err(anyhow!("连接池未启用，无法安全执行数据库操作"));
+        }
+
+        let pooled_conn = self.database.acquire_from_pool()
+            .map_err(|e| anyhow!("获取连接池连接失败: {}", e))?;
 
         let tags_json = serde_json::to_string(&outfit_image.tags)
             .map_err(|e| anyhow!("序列化tags失败: {}", e))?;
 
-        conn.execute(
+        pooled_conn.execute(
             r#"
             INSERT INTO outfit_images (
                 id, outfit_record_id, image_url, local_path, image_index,
@@ -533,15 +564,23 @@ impl OutfitImageRepository {
             ],
         ).map_err(|e| anyhow!("创建穿搭图片失败: {}", e))?;
 
+        println!("✅ 连接池创建穿搭图片完成");
         Ok(())
     }
 
-    /// 根据记录ID获取穿搭图片列表
+    /// 根据记录ID获取穿搭图片列表（强制使用连接池）
     pub fn get_outfit_images_by_record_id(&self, record_id: &str) -> Result<Vec<OutfitImage>> {
-        let conn = self.database.get_connection();
-        let conn = conn.lock().map_err(|e| anyhow!("获取数据库连接失败: {}", e))?;
+        println!("🏊 使用连接池获取穿搭图片: {}", &record_id[..8]);
 
-        let mut stmt = conn.prepare(
+        // 🚨 强制使用连接池，避免死锁
+        if !self.database.has_pool() {
+            return Err(anyhow!("连接池未启用，无法安全执行数据库操作"));
+        }
+
+        let pooled_conn = self.database.acquire_from_pool()
+            .map_err(|e| anyhow!("获取连接池连接失败: {}", e))?;
+
+        let mut stmt = pooled_conn.prepare(
             r#"
             SELECT id, outfit_record_id, image_url, local_path, image_index,
                    description, tags, is_favorite, created_at
@@ -560,16 +599,24 @@ impl OutfitImageRepository {
             images.push(image.map_err(|e| anyhow!("解析穿搭图片失败: {}", e))?);
         }
 
+        println!("✅ 连接池查询穿搭图片完成，获取到 {} 张图片", images.len());
         Ok(images)
     }
 
-    /// 获取模特的穿搭图片统计信息
+    /// 获取模特的穿搭图片统计信息（强制使用连接池）
     pub fn get_stats_by_model_id(&self, model_id: &str) -> Result<OutfitImageStats> {
-        let conn = self.database.get_connection();
-        let conn = conn.lock().map_err(|e| anyhow!("获取数据库连接失败: {}", e))?;
+        println!("🏊 使用连接池获取穿搭统计: {}", &model_id[..8]);
+
+        // 🚨 强制使用连接池，避免死锁
+        if !self.database.has_pool() {
+            return Err(anyhow!("连接池未启用，无法安全执行数据库操作"));
+        }
+
+        let pooled_conn = self.database.acquire_from_pool()
+            .map_err(|e| anyhow!("获取连接池连接失败: {}", e))?;
 
         // 获取记录统计
-        let mut stmt = conn.prepare(
+        let mut stmt = pooled_conn.prepare(
             r#"
             SELECT
                 COUNT(*) as total_records,
@@ -593,7 +640,7 @@ impl OutfitImageRepository {
             }).map_err(|e| anyhow!("查询记录统计失败: {}", e))?;
 
         // 获取图片统计
-        let mut stmt = conn.prepare(
+        let mut stmt = pooled_conn.prepare(
             r#"
             SELECT
                 COUNT(*) as total_images,
@@ -611,6 +658,7 @@ impl OutfitImageRepository {
             ))
         }).map_err(|e| anyhow!("查询图片统计失败: {}", e))?;
 
+        println!("✅ 连接池查询穿搭统计完成: 记录{}条, 图片{}张", total_records, total_images);
         Ok(OutfitImageStats {
             total_records,
             total_images,