diff --git a/package-lock.json b/package-lock.json
index bbfeb48..eff2eb1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -715,9 +715,9 @@
       "dev": true
     },
     "acorn": {
-      "version": "7.1.0",
-      "resolved": "https://registry.npm.taobao.org/acorn/download/acorn-7.1.0.tgz?cache=0&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Facorn%2Fdownload%2Facorn-7.1.0.tgz",
-      "integrity": "sha1-lJ028sKSU12mAig1hsJHfFfrLWw="
+      "version": "7.1.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.1.1.tgz",
+      "integrity": "sha512-add7dgA5ppRPxCFJoAGfMDi7PIBXq1RtGo7BhbLaxwrXPOmw8gq48Y9ozT01hUKy9byMjlR20EJhu5zlkErEkg=="
     },
     "acorn-globals": {
       "version": "4.3.4",