细节修改

lib/db.py

@@ -28,7 +28,7 @@ def get_connection():
         conn = pymysql.connect(**DB_CONFIG)
         yield conn
     except pymysql.Error as e:
-        log_error(f'数据库连接失败: {e}', 'db')
+        log_error(f'数据库连接失败: {e}', 'db', exc_info=True)
         raise
     finally:
         try:
@@ -46,7 +46,7 @@ def execute_query(sql, params=None):
                 result = cursor.fetchall()
                 return result
     except Exception as e:
-        log_error(f'查询失败: {e}\nSQL: {sql}\nParams: {params}', 'db')
+        log_error(f'查询失败: {e}\nSQL: {sql}\nParams: {params}', 'db', exc_info=True)
         raise
 
 
@@ -58,7 +58,7 @@ def execute_update(sql, params=None):
                 affected = cursor.execute(sql, params)
                 return cursor.rowcount
     except Exception as e:
-        log_error(f'更新失败: {e}\nSQL: {sql}\nParams: {params}', 'db')
+        log_error(f'更新失败: {e}\nSQL: {sql}\nParams: {params}', 'db', exc_info=True)
         raise
 
 
@@ -71,5 +71,5 @@ def execute_insert(sql, params=None):
                 last_id = cursor.lastrowid
                 return last_id
     except Exception as e:
-        log_error(f'插入失败: {e}\nSQL: {sql}\nParams: {params}', 'db')
+        log_error(f'插入失败: {e}\nSQL: {sql}\nParams: {params}', 'db', exc_info=True)
         raise