diff --git a/manifest.json b/manifest.json
index c7a11b8..4e2229e 100644
--- a/manifest.json
+++ b/manifest.json
@@ -11,7 +11,7 @@
     "upstream": {
         "license": "MIT",
         "website": "https://github.com/mengshukeji/Luckysheet",
-        "demo": "https://mengshukeji.github.io/LuckysheetDemo/",
+        "demo": "https://mengshukeji.gitee.io/luckysheetdemo/",
         "admindoc": "https://mengshukeji.github.io/LuckysheetDocs/guide/",
         "code": "https://github.com/mengshukeji/Luckysheet"
     },