diff --git a/demo/package-lock.json b/demo/package-lock.json
index 81cbdf2..2150c3b 100644
--- a/demo/package-lock.json
+++ b/demo/package-lock.json
@@ -6006,9 +6006,9 @@
       "dev": true
     },
     "highlight.js": {
-      "version": "9.18.1",
-      "resolved": "http://npm.vivo.com.cn/highlight.js/-/highlight.js-9.18.1.tgz",
-      "integrity": "sha1-7SGqAB/mJSuxCj121HVzxlOf4Tw=",
+      "version": "9.18.5",
+      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-9.18.5.tgz",
+      "integrity": "sha512-a5bFyofd/BHCX52/8i8uJkjr9DYwXIPnM/plwI6W7ezItLGqzt7X2G2nXuYSfsIJdkwwj/g9DG1LkcGJI/dDoA==",
       "dev": true
     },
     "hmac-drbg": {