diff --git a/demo/websocket/package-lock.json b/demo/websocket/package-lock.json
index db4296e..08fbed1 100644
--- a/demo/websocket/package-lock.json
+++ b/demo/websocket/package-lock.json
@@ -574,8 +574,8 @@
     },
     "engine.io": {
       "version": "3.3.2",
-      "resolved": "https://registry.npm.taobao.org/engine.io/download/engine.io-3.3.2.tgz",
-      "integrity": "sha1-GMvItvNulGHFwPgd8rgw3hYFilk=",
+      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-3.3.2.tgz",
+      "integrity": "sha512-AsaA9KG7cWPXWHp5FvHdDWY3AMWeZ8x+2pUVLcn71qE5AtAzgGbxuclOytygskw8XGmiQafTmnI9Bix3uihu2w==",
       "requires": {
         "accepts": "~1.3.4",
         "base64id": "1.0.0",
@@ -587,16 +587,16 @@
       "dependencies": {
         "debug": {
           "version": "3.1.0",
-          "resolved": "https://registry.npm.taobao.org/debug/download/debug-3.1.0.tgz",
-          "integrity": "sha1-W7WgZyYotkFJVmuhaBnmFRjGcmE=",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+          "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
           "requires": {
             "ms": "2.0.0"
           }
         },
         "ms": {
           "version": "2.0.0",
-          "resolved": "https://registry.npm.taobao.org/ms/download/ms-2.0.0.tgz",
-          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+          "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A=="
         }
       }
     },