flask_app: 关闭连接

Signed-off-by: binren <zhangbr@elab-plus.com>

flask_app.py

@@ -91,14 +91,14 @@ def tag_tree():
 
 @app.route('/update_data', methods=['GET', 'POST'])
 def update_data():
-    mvp = Mvp()
     message = None
     try:
+        mvp = Mvp()
         message = mvp.update_data()
-        mvp.close()
     except Exception as e:
-        mvp.close()
         return json.dumps(message, ensure_ascii=False)
+    finally:
+        mvp.close()
     return json.dumps(message, ensure_ascii=False)