diff --git a/package-lock.json b/package-lock.json
index e162227..9da0189 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3175,8 +3175,8 @@
       "dependencies": {
         "acorn": {
           "version": "5.5.3",
-          "resolved": "http://registry.npm.taobao.org/acorn/download/acorn-5.5.3.tgz",
-          "integrity": "sha1-9HPdR+AnegjijpvsWu6wR1HwuMk=",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.5.3.tgz",
+          "integrity": "sha512-jd5MkIUlbbmb07nXH0DT3y7rDVtkzDi4XZOUVWAer8ajmF/DTSSbl5oNFyDOl/OXA33Bl79+ypHhl2pN20VeOQ==",
           "dev": true
         },
         "async": {