修改资料无效的用户昵称导航栏显示问题修复

app/controllers/my_controller.rb

@@ -75,6 +75,7 @@ class MyController < ApplicationController
   # Edit user's account
   def account
     @user = User.current
+    lg=@user.login
     @pref = @user.pref
     diskfile = disk_filename('User', @user.id)
     diskfile1 = diskfile + 'temp'
@@ -137,7 +138,7 @@ class MyController < ApplicationController
         if File.exist?(diskfile1)
           File.delete(diskfile1)
         end
-        @user
+        @user.login = lg
       end
     else
       # 确保文件被删除