update qrcode format

app.py

@@ -2510,11 +2510,13 @@ def get_wechat_qrcode():
         'wechat_unionid': None
     }
 
-    return jsonify({
+    return jsonify({"code":0,
+                    "data":
+    {
         'auth_url': wechat_auth_url,
         'session_id': state,
         'expires_in': 300
-    }), 200
+    }}), 200
 
 
 @app.route('/api/account/wechat/qrcode', methods=['GET'])