diff --git a/package-lock.json b/package-lock.json
index 8ae9595..3e032be 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1977,9 +1977,9 @@
       }
     },
     "acorn": {
-      "version": "6.3.0",
-      "resolved": "https://registry.npm.taobao.org/acorn/download/acorn-6.3.0.tgz",
-      "integrity": "sha1-AIdQkRn/pPwKAEHR6TpBfmjLhW4="
+      "version": "6.4.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.1.tgz",
+      "integrity": "sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA=="
     },
     "acorn-globals": {
       "version": "4.3.4",
@@ -4656,9 +4656,9 @@
       },
       "dependencies": {
         "acorn": {
-          "version": "7.1.0",
-          "resolved": "https://registry.npm.taobao.org/acorn/download/acorn-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==",
           "dev": true
         }
       }
@@ -7389,9 +7389,9 @@
       },
       "dependencies": {
         "acorn": {
-          "version": "5.7.3",
-          "resolved": "https://registry.npm.taobao.org/acorn/download/acorn-5.7.3.tgz",
-          "integrity": "sha1-Z6ojG/iBKXS4UjWpZ3Hra9B+onk=",
+          "version": "5.7.4",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.4.tgz",
+          "integrity": "sha512-1D++VG7BhrtvQpNbBzovKNc1FLGGEE/oGe7b9xJm/RFHMBeUaUGpluV9RLjZa47YFdPcDAenEYuq9pQPcMdLJg==",
           "dev": true
         },
         "parse5": {
@@ -12562,9 +12562,9 @@
       },
       "dependencies": {
         "acorn": {
-          "version": "5.7.3",
-          "resolved": "https://registry.npm.taobao.org/acorn/download/acorn-5.7.3.tgz",
-          "integrity": "sha1-Z6ojG/iBKXS4UjWpZ3Hra9B+onk=",
+          "version": "5.7.4",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.4.tgz",
+          "integrity": "sha512-1D++VG7BhrtvQpNbBzovKNc1FLGGEE/oGe7b9xJm/RFHMBeUaUGpluV9RLjZa47YFdPcDAenEYuq9pQPcMdLJg==",
           "dev": true
         },
         "commander": {