diff --git a/__book-code/react-xuchaobei-bookcode/mobx-bbs/yarn.lock b/__book-code/react-xuchaobei-bookcode/mobx-bbs/yarn.lock
index 1686a4b..5896a97 100644
--- a/__book-code/react-xuchaobei-bookcode/mobx-bbs/yarn.lock
+++ b/__book-code/react-xuchaobei-bookcode/mobx-bbs/yarn.lock
@@ -2622,9 +2622,9 @@ decamelize@^1.0.0, decamelize@^1.1.1, decamelize@^1.1.2:
   integrity sha1-9lNNFRSCabIDUue+4m9QH5oZEpA=
 
 decode-uri-component@^0.2.0:
-  version "0.2.0"
-  resolved "https://registry.npm.taobao.org/decode-uri-component/download/decode-uri-component-0.2.0.tgz#eb3913333458775cb84cd1a1fae062106bb87545"
-  integrity sha1-6zkTMzRYd1y4TNGh+uBiEGu4dUU=
+  version "0.2.2"
+  resolved "https://registry.yarnpkg.com/decode-uri-component/-/decode-uri-component-0.2.2.tgz#e69dbe25d37941171dd540e024c444cd5188e1e9"
+  integrity sha512-FqUYQ+8o158GyGTrMFJms9qh3CqTKvAqgqsTnkLI8sKu0028orqBhxNMFkFen0zGyg6epACD32pjVk58ngIErQ==
 
 deep-equal@^1.0.1:
   version "1.0.1"