diff --git a/app/html/yarn.lock b/app/html/yarn.lock
index 3acfb38..ffce576 100644
--- a/app/html/yarn.lock
+++ b/app/html/yarn.lock
@@ -5916,9 +5916,9 @@ lodash.uniq@^4.5.0:
   integrity sha1-0CJTc662Uq3BvILklFM5qEJ1R3M=
 
 lodash@^4.17.11, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.19, lodash@^4.17.20, lodash@^4.17.3, lodash@^4.17.4, lodash@^4.2.0, lodash@^4.3.0:
-  version "4.17.20"
-  resolved "https://registry.npm.taobao.org/lodash/download/lodash-4.17.20.tgz#b44a9b6297bcb698f1c51a3545a2b3b368d59c52"
-  integrity sha1-tEqbYpe8tpjxxRo1RaKzs2jVnFI=
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 log-symbols@^2.1.0:
   version "2.2.0"