diff --git a/node_demo/package-lock.json b/node_demo/package-lock.json
index 7d926b0..d720554 100644
--- a/node_demo/package-lock.json
+++ b/node_demo/package-lock.json
@@ -113,9 +113,9 @@
       }
     },
     "css-what": {
-      "version": "2.1.2",
-      "resolved": "http://registry.npm.taobao.org/css-what/download/css-what-2.1.2.tgz",
-      "integrity": "sha1-wIdtnQSAkn19SSDc1yrzWVZJVU0="
+      "version": "2.1.3",
+      "resolved": "https://registry.npmjs.org/css-what/-/css-what-2.1.3.tgz",
+      "integrity": "sha512-a+EPoD+uZiNfh+5fxw2nO9QwFa6nJe2Or35fGY6Ipw1R3R4AGz1d1TEZrCegvw2YTmZ0jXirGYlzxxpYSHwpEg=="
     },
     "debug": {
       "version": "3.1.0",