diff --git a/package.json b/package.json
index c226f94ce..c02fc675c 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "commit": "git-cz",
     "pub": "lerna publish --cd-version patch",
     "setup": "./scripts/setup.sh",
-    "start": "lerna exec --scope @ali/lowcode-vision-polyfill -- npm start",
+    "start": "./scripts/start.sh",
     "test": "lerna run test --stream",
     "test:snapshot": "lerna run test:snapshot"
   },
diff --git a/scripts/start.sh b/scripts/start.sh
index 388716ab7..ad46187eb 100755
--- a/scripts/start.sh
+++ b/scripts/start.sh
@@ -2,4 +2,4 @@
 
 # FIXME! do not run build
 lerna exec --scope @ali/lowcode-react-renderer -- npm run build
-lerna exec --scope @ali/lowcode-demo -- npm start
+lerna exec --scope @ali/lowcode-vision-polyfill -- npm start