diff --git a/example/package-lock.json b/example/package-lock.json
index b29fa0a..fd28418 100644
--- a/example/package-lock.json
+++ b/example/package-lock.json
@@ -9970,9 +9970,9 @@
             "dev": true
         },
         "terser": {
-            "version": "4.7.0",
-            "resolved": "https://registry.npm.taobao.org/terser/download/terser-4.7.0.tgz",
-            "integrity": "sha1-FYUs8aCOMlaoBCjoZaL6iT/7oAY=",
+            "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",
@@ -9982,8 +9982,8 @@
             "dependencies": {
                 "source-map": {
                     "version": "0.6.1",
-                    "resolved": "https://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
                 }
             }