diff --git a/package-lock.json b/package-lock.json
index aabea42..3bbae07 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4640,7 +4640,7 @@
     },
     "core-js": {
       "version": "1.2.7",
-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-1.2.7.tgz",
+      "resolved": "https://registry.npm.taobao.org/core-js/download/core-js-1.2.7.tgz?cache=0&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fcore-js%2Fdownload%2Fcore-js-1.2.7.tgz",
       "integrity": "sha1-ZSKUwUZR2yj6k70tX/KYOk8IxjY=",
       "dev": true
     },