diff --git a/app/controllers/wechats_controller.rb b/app/controllers/wechats_controller.rb
index b0901efd4..1074ebc3f 100644
--- a/app/controllers/wechats_controller.rb
+++ b/app/controllers/wechats_controller.rb
@@ -212,7 +212,7 @@ class WechatsController < ActionController::Base
         return
       end
 
-      render File.join(Rails.root, "public/wechat/app.html"), layout: nil
+      render template: File.join(Rails.root, "public/wechat/app.html"), layout: nil
     end
 
     private