Fix my rank

- Fix a bug that `my rank` doesn't work correctly (There may still be the problem)

latest version/server/auth.py

@@ -15,12 +15,12 @@ bp = Blueprint('auth', __name__, url_prefix='/auth')
 @bp.route('/login', methods=['POST'])  # 登录接口
 @arc_try
 def login():
-    if 'AppVersion' in request.headers:  # 版本检查
+    headers = request.headers
+    if 'AppVersion' in headers:  # 版本检查
         if Config.ALLOW_APPVERSION:
-            if request.headers['AppVersion'] not in Config.ALLOW_APPVERSION:
+            if headers['AppVersion'] not in Config.ALLOW_APPVERSION:
                 raise NoAccess('Wrong app version.', 1203)
 
-    headers = request.headers
     request.form['grant_type']
     with Connect() as c:
         id_pwd = headers['Authorization']