diff --git a/package-lock.json b/package-lock.json
index 6219710..d62cf5f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9243,9 +9243,9 @@
       }
     },
     "terser": {
-      "version": "4.1.4",
-      "resolved": "https://registry.npm.taobao.org/terser/download/terser-4.1.4.tgz?cache=0&sync_timestamp=1565466195242&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fterser%2Fdownload%2Fterser-4.1.4.tgz",
-      "integrity": "sha1-RHi2oIuwlqYeeT/qGkQ0QIurk2w=",
+      "version": "4.8.1",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-4.8.1.tgz",
+      "integrity": "sha512-4GnLC0x667eJG0ewJTa6z/yXrbLGv80D9Ru6HIpCQmO+Q4PfEtBFi0ObSckqwL6VyQv/7ENJieXHo2ANmdQwgw==",
       "dev": true,
       "requires": {
         "commander": "^2.20.0",
@@ -9255,14 +9255,14 @@
       "dependencies": {
         "source-map": {
           "version": "0.6.1",
-          "resolved": "http://registry.npm.taobao.org/source-map/download/source-map-0.6.1.tgz",
-          "integrity": "sha1-dHIq8y6WFOnCh6jQu95IteLxomM=",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
           "dev": true
         },
         "source-map-support": {
-          "version": "0.5.13",
-          "resolved": "https://registry.npm.taobao.org/source-map-support/download/source-map-support-0.5.13.tgz",
-          "integrity": "sha1-MbJKnC5zwt6FBmwP631Edn7VKTI=",
+          "version": "0.5.21",
+          "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.21.tgz",
+          "integrity": "sha512-uBHU3L3czsIyYXKX88fdrGovxdSCoTGDRZ6SYXtSRxLZUzHg5P/66Ht6uoUlHu9EZod+inXhKo3qQgwXUT/y1w==",
           "dev": true,
           "requires": {
             "buffer-from": "^1.0.0",