diff --git a/example/webpack-demo/package-lock.json b/example/webpack-demo/package-lock.json
index 7485b63..c8a4f7e 100644
--- a/example/webpack-demo/package-lock.json
+++ b/example/webpack-demo/package-lock.json
@@ -1066,15 +1066,23 @@
       }
     },
     "ajv": {
-      "version": "6.6.1",
-      "resolved": "http://registry.npm.taobao.org/ajv/download/ajv-6.6.1.tgz",
-      "integrity": "sha1-Y2D17Q2A8jLMKylMNi1dwuU43WE=",
+      "version": "6.12.6",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
+      "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
       "dev": true,
       "requires": {
-        "fast-deep-equal": "^2.0.1",
+        "fast-deep-equal": "^3.1.1",
         "fast-json-stable-stringify": "^2.0.0",
         "json-schema-traverse": "^0.4.1",
         "uri-js": "^4.2.2"
+      },
+      "dependencies": {
+        "fast-deep-equal": {
+          "version": "3.1.3",
+          "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
+          "integrity": "sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q==",
+          "dev": true
+        }
       }
     },
     "ajv-errors": {
@@ -2864,12 +2872,6 @@
       "dev": true,
       "optional": true
     },
-    "fast-deep-equal": {
-      "version": "2.0.1",
-      "resolved": "http://registry.npm.taobao.org/fast-deep-equal/download/fast-deep-equal-2.0.1.tgz",
-      "integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk=",
-      "dev": true
-    },
     "fast-json-stable-stringify": {
       "version": "2.0.0",
       "resolved": "http://registry.npm.taobao.org/fast-json-stable-stringify/download/fast-json-stable-stringify-2.0.0.tgz",