diff --git a/app/controllers/concerns/login_helper.rb b/app/controllers/concerns/login_helper.rb
index 3aec09126..3abb82e23 100644
--- a/app/controllers/concerns/login_helper.rb
+++ b/app/controllers/concerns/login_helper.rb
@@ -79,6 +79,8 @@ module LoginHelper
     else
       cookies.delete(autologin_cookie_name)
     end
+    # 清除前端写入的用户名
+    cookies.delete("login")
   end
 
   # Sets the logged in user