diff --git a/18-10to12/flask-vue-app/frontend/yarn.lock b/18-10to12/flask-vue-app/frontend/yarn.lock
index abebce6..2ee7b3c 100644
--- a/18-10to12/flask-vue-app/frontend/yarn.lock
+++ b/18-10to12/flask-vue-app/frontend/yarn.lock
@@ -2277,9 +2277,9 @@ css-url-regex@^1.1.0:
   integrity sha1-g4NCMMyfdMRX3lnuvRVD/uuDt+w=
 
 css-what@2.1, css-what@^2.1.2:
-  version "2.1.2"
-  resolved "http://registry.npm.taobao.org/css-what/download/css-what-2.1.2.tgz#c0876d9d0480927d7d4920dcd72af3595649554d"
-  integrity sha1-wIdtnQSAkn19SSDc1yrzWVZJVU0=
+  version "2.1.3"
+  resolved "https://registry.yarnpkg.com/css-what/-/css-what-2.1.3.tgz#a6d7604573365fe74686c3f311c56513d88285f2"
+  integrity sha512-a+EPoD+uZiNfh+5fxw2nO9QwFa6nJe2Or35fGY6Ipw1R3R4AGz1d1TEZrCegvw2YTmZ0jXirGYlzxxpYSHwpEg==
 
 cssesc@^0.1.0:
   version "0.1.0"