diff --git a/code/simple-mvvm/yarn.lock b/code/simple-mvvm/yarn.lock
index 7f9ac31..bb31c9b 100644
--- a/code/simple-mvvm/yarn.lock
+++ b/code/simple-mvvm/yarn.lock
@@ -212,8 +212,8 @@ debug@^2.1.2, debug@^2.2.0, debug@^2.3.3:
     ms "2.0.0"
 
 decode-uri-component@^0.2.0:
-  version "0.2.0"
-  resolved "http://registry.npm.taobao.org/decode-uri-component/download/decode-uri-component-0.2.0.tgz#eb3913333458775cb84cd1a1fae062106bb87545"
+  version "0.2.2"
+  resolved "https://registry.yarnpkg.com/decode-uri-component/-/decode-uri-component-0.2.2.tgz#e69dbe25d37941171dd540e024c444cd5188e1e9"
 
 deep-extend@^0.6.0:
   version "0.6.0"