初始时，判断用户是否是学生

@@ -26,7 +26,7 @@ exports.index = (req, res, next) => {
         if ('isStudent' in req.user) {
             result.realData.verifyRusult = {isStudent: req.user.isStudent === 1 ? true : false};
         }
-        
+
         res.render('students/index', result);
 
     }).catch(next);