diff --git a/package-lock.json b/package-lock.json
index bb438b5..666b89c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1090,9 +1090,9 @@
       }
     },
     "acorn": {
-      "version": "6.0.2",
-      "resolved": "http://registry.npm.taobao.org/acorn/download/acorn-6.0.2.tgz",
-      "integrity": "sha1-akWQQcMgqxdZLGMXq7/fS7qpjKQ="
+      "version": "6.4.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.1.tgz",
+      "integrity": "sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA=="
     },
     "acorn-dynamic-import": {
       "version": "3.0.0",
@@ -1103,9 +1103,9 @@
       },
       "dependencies": {
         "acorn": {
-          "version": "5.7.3",
-          "resolved": "http://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=="
         }
       }
     },
@@ -7680,9 +7680,9 @@
       },
       "dependencies": {
         "acorn": {
-          "version": "5.7.3",
-          "resolved": "http://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=="
         },
         "jsdom": {
           "version": "11.12.0",
@@ -14459,9 +14459,9 @@
       },
       "dependencies": {
         "acorn": {
-          "version": "5.7.3",
-          "resolved": "http://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=="
         },
         "ajv": {
           "version": "6.5.4",