diff --git a/app/controllers/wechats_controller.rb b/app/controllers/wechats_controller.rb
index 9c6ab33f6..e47c99cbd 100644
--- a/app/controllers/wechats_controller.rb
+++ b/app/controllers/wechats_controller.rb
@@ -212,7 +212,7 @@ class WechatsController < ActionController::Base
         return
       end
 
-      render template: File.join(Rails.root, "public/assets/wechat/app.html"), layout: nil
+      render file: File.join(Rails.root, "public/assets/wechat/app.html"), layout: nil
     end
 
     private