diff --git a/.github/workflows/deploy-gh-pages.yml b/.github/workflows/deploy-gh-pages.yml
index 6b565cb21..340c6fdbb 100644
--- a/.github/workflows/deploy-gh-pages.yml
+++ b/.github/workflows/deploy-gh-pages.yml
@@ -35,9 +35,15 @@ jobs:
           // ---- appended by CI (gh-pages) ----
           VITE_ORIGIN=https://agent.opentiny.design/
           EOF
-
+      - name: change material url
+        run: |
+          sed -i "s#material: \['/mock/bundle.json'\]#material: \['https://opentiny.github.io/tiny-engine/mock/bundle.json'\]#g" designer-demo/engine.config.js
+          echo "Updated material url in designer-demo/engine.config.js"
       - name: Run Build
-        run: pnpm run build:plugin && pnpm run build:alpha > /tmp/build-alpha.log 2>&1
+        run: |
+          set -eo pipefail
+          pnpm run build:plugin 2>&1 | tee /tmp/build-plugin.log
+          pnpm run build:alpha 2>&1 | tee /tmp/build-alpha.log
 
       - name: Deploy
         uses: peaceiris/actions-gh-pages@v4
diff --git a/designer-demo/registry.js b/designer-demo/registry.js
index c9101279d..e7af36d95 100644
--- a/designer-demo/registry.js
+++ b/designer-demo/registry.js
@@ -48,7 +48,7 @@ export default {
     options: { 
       // 配置预览跳转的 url：
       // 文档：https://opentiny.design/tiny-engine#/help-center/course/dev/preview-api
-      previewUrl:  ['prod', 'alpha'].includes(import.meta.env.MODE) ? './preview.html' : '' 
+      previewUrl:  ['prod', 'alpha'].includes(import.meta.env.MODE) ?  `${import.meta.env.BASE_URL || '.'}/preview.html` : '' 
     }
   }
 }