diff --git a/demo/ast/package-lock.json b/demo/ast/package-lock.json
index 2f71f14..4db23d0 100644
--- a/demo/ast/package-lock.json
+++ b/demo/ast/package-lock.json
@@ -344,9 +344,9 @@
       "dev": true
     },
     "minimist": {
-      "version": "1.2.5",
-      "resolved": "https://registry.npm.taobao.org/minimist/download/minimist-1.2.5.tgz",
-      "integrity": "sha1-Z9ZgFLZqaoqqDAg8X9WN9OTpdgI=",
+      "version": "1.2.8",
+      "resolved": "https://registry.npmmirror.com/minimist/-/minimist-1.2.8.tgz",
+      "integrity": "sha512-2yyAR8qBkN3YuheJanUpWC5U3bb5osDywNB8RzDVlDwDHbocAJveqqj1u8+SVD7jkWT4yvsHCpWqqWqAxb0zCA==",
       "dev": true
     },
     "ms": {