diff --git a/online-edu-reception-project/package-lock.json b/online-edu-reception-project/package-lock.json
index 9b8f136..ccae6eb 100644
--- a/online-edu-reception-project/package-lock.json
+++ b/online-edu-reception-project/package-lock.json
@@ -8741,9 +8741,9 @@
       "integrity": "sha1-Hxat7f6b3BiADhd2ghc0CG/MZ1M="
     },
     "terser": {
-      "version": "4.6.3",
-      "resolved": "https://registry.npm.taobao.org/terser/download/terser-4.6.3.tgz",
-      "integrity": "sha1-4zqkJGHO1SONNS0t8qZ/IZIfjYc=",
+      "version": "4.8.1",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-4.8.1.tgz",
+      "integrity": "sha512-4GnLC0x667eJG0ewJTa6z/yXrbLGv80D9Ru6HIpCQmO+Q4PfEtBFi0ObSckqwL6VyQv/7ENJieXHo2ANmdQwgw==",
       "requires": {
         "commander": "^2.20.0",
         "source-map": "~0.6.1",
@@ -8752,8 +8752,8 @@
       "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=="
         }
       }
     },