diff --git a/js-learning/hello-world/package-lock.json b/js-learning/hello-world/package-lock.json
index 8af1b37..e8cf7c8 100644
--- a/js-learning/hello-world/package-lock.json
+++ b/js-learning/hello-world/package-lock.json
@@ -5679,9 +5679,9 @@
       }
     },
     "lodash": {
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-      "resolved": "https://registry.npm.taobao.org/lodash/download/lodash-4.17.15.tgz?cache=0&sync_timestamp=1577793955950&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Flodash%2Fdownload%2Flodash-4.17.15.tgz",
-      "integrity": "sha1-tEf2ZwoEVbv+7dETku/zMOoJdUg=",
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==",
       "dev": true
     },
     "lodash.camelcase": {