diff --git a/src/common/database/api/crud.py b/src/common/database/api/crud.py
index a1245d491..0bbd76083 100644
--- a/src/common/database/api/crud.py
+++ b/src/common/database/api/crud.py
@@ -274,6 +274,8 @@ class CRUDBase:
                 session.add(instance)
                 await session.flush()
                 await session.refresh(instance)
+                # 注意：commit在get_db_session的context manager退出时自动执行
+                # 但为了明确性，这里不需要显式commit
                 return instance
 
     async def update(
@@ -329,6 +331,7 @@ class CRUDBase:
                     await session.flush()
                     await session.refresh(db_instance)
                     instance = db_instance
+                # 注意：commit在get_db_session的context manager退出时自动执行
 
         # 清除缓存
         cache_key = f"{self.model_name}:id:{id}"
@@ -369,6 +372,7 @@ class CRUDBase:
                 stmt = delete(self.model).where(self.model.id == id)
                 result = await session.execute(stmt)
                 success = result.rowcount > 0
+                # 注意：commit在get_db_session的context manager退出时自动执行
 
         # 清除缓存
         if success:
diff --git a/src/common/database/optimization/connection_pool.py b/src/common/database/optimization/connection_pool.py
index 78dce7e45..f32302766 100644
--- a/src/common/database/optimization/connection_pool.py
+++ b/src/common/database/optimization/connection_pool.py
@@ -150,6 +150,16 @@ class ConnectionPoolManager:
                 logger.debug(f"🆕 创建连接 (池大小: {len(self._connections)})")
 
             yield connection_info.session
+            
+            # 🔧 修复：正常退出时提交事务
+            # 这对SQLite至关重要，因为SQLite没有autocommit
+            if connection_info and connection_info.session:
+                try:
+                    await connection_info.session.commit()
+                except Exception as commit_error:
+                    logger.warning(f"提交事务时出错: {commit_error}")
+                    await connection_info.session.rollback()
+                    raise
 
         except Exception:
             # 发生错误时回滚连接