diff --git a/packages/sfc-playground/src/App.vue b/packages/sfc-playground/src/App.vue
index 4b62519ce6e..1a5a1d0efa8 100644
--- a/packages/sfc-playground/src/App.vue
+++ b/packages/sfc-playground/src/App.vue
@@ -54,6 +54,7 @@ const sfcOptions = computed(
     template: {
       isProd: productionMode.value,
       compilerOptions: {
+        comments: !productionMode.value,
         isCustomElement: (tag: string) => tag === 'mjx-container',
       },
     },