fix

app/controllers/application_controller.rb

@@ -291,10 +291,6 @@ class ApplicationController < ActionController::Base
 		end
 	end
 
-	def autologin_cookie_name
-		edu_setting('autologin_cookie_name').presence || 'autologin'
-	end
-
 	def try_to_autologin
 		if cookies[autologin_cookie_name]
 			# auto-login feature starts a new session
@@ -605,22 +601,6 @@ class ApplicationController < ActionController::Base
 		cookies[:fileDownload] = true
 	end
 
-	def set_autologin_cookie(user)
-		token = Token.get_or_create_permanent_login_token(user, "autologin")
-		cookie_options = {
-			:value => token.value,
-			:expires => 1.month.from_now,
-			:path => '/',
-			:secure => false,
-			:httponly => true
-		}
-		if edu_setting('cookie_domain').present?
-			cookie_options = cookie_options.merge(domain: edu_setting('cookie_domain'))
-		end
-		cookies[autologin_cookie_name] = cookie_options
-		logger.info("cookies is #{cookies}")
-	end
-
 	# 149课程的评审用户数据创建（包含创建课堂学生）
 	def open_class_user
 		user = User.find_by(login: "OpenClassUser")

app/controllers/concerns/login_helper.rb

@@ -6,7 +6,7 @@ module LoginHelper
   end
 
   def autologin_cookie_name
-    edu_setting('autologin_cookie_name') || 'autologin'
+    edu_setting('autologin_cookie_name').presence || 'autologin'
   end
 
   def set_autologin_cookie(user)