diff --git a/app/controllers/wechats_controller.rb b/app/controllers/wechats_controller.rb
index c2891e850..33561c242 100644
--- a/app/controllers/wechats_controller.rb
+++ b/app/controllers/wechats_controller.rb
@@ -13,7 +13,7 @@ class WechatsController < ActionController::Base
       if !uw
         return sendBind()
       else
-        return join_class({invite_code: content}, uw.user)
+        return join_class({invite_code: content}, uw.user, request)
       end
     rescue => e
       logger.error e.inspect
@@ -53,7 +53,7 @@ class WechatsController < ActionController::Base
       if !uw
         return sendBind()
       else
-        return join_class({ticket: ticket}, uw.user)
+        return join_class({ticket: ticket}, uw.user, request)
       end
     rescue => e
       logger.error e.inspect
@@ -187,7 +187,7 @@ class WechatsController < ActionController::Base
     end
   end
 
-  def join_class(params, user)
+  def join_class(params, user, request)
     course = nil
     course = Course.where(qrcode: params[:ticket]).first if params[:ticket]
     course = Course.where(invite_code: params[:invite_code]).first if params[:invite_code]