diff --git a/packages/frontend/core/src/modules/feature-flag/constant.ts b/packages/frontend/core/src/modules/feature-flag/constant.ts
index e89a3e26c..cb557c2dc 100644
--- a/packages/frontend/core/src/modules/feature-flag/constant.ts
+++ b/packages/frontend/core/src/modules/feature-flag/constant.ts
@@ -280,7 +280,7 @@ export const AFFINE_FLAGS = {
     description:
       'com.affine.settings.workspace.experimental-features.enable-code-block-html-preview.description',
     configurable: isCanaryBuild,
-    defaultState: true,
+    defaultState: isCanaryBuild,
   },
   enable_adapter_panel: {
     category: 'affine',