diff --git a/packages/data-center/src/utils/index.ts b/packages/data-center/src/utils/index.ts
index 3a8e61848..5c93abd90 100644
--- a/packages/data-center/src/utils/index.ts
+++ b/packages/data-center/src/utils/index.ts
@@ -10,6 +10,7 @@ export const createBlocksuiteWorkspace = (
 ) => {
   return new BlocksuiteWorkspace({
     room: workspaceId,
+    defaultFlags: { enable_slash_menu: true },
     ...workspaceOption,
   })
     .register(builtInSchemas)