diff --git a/__book-code/react-xuchaobei-bookcode/mobx-bbs/yarn.lock b/__book-code/react-xuchaobei-bookcode/mobx-bbs/yarn.lock
index 1686a4b..8a33736 100644
--- a/__book-code/react-xuchaobei-bookcode/mobx-bbs/yarn.lock
+++ b/__book-code/react-xuchaobei-bookcode/mobx-bbs/yarn.lock
@@ -8872,9 +8872,9 @@ uri-js@^4.2.2:
     punycode "^2.1.0"
 
 urijs@^1.16.1:
-  version "1.19.1"
-  resolved "https://registry.npm.taobao.org/urijs/download/urijs-1.19.1.tgz#5b0ff530c0cbde8386f6342235ba5ca6e995d25a"
-  integrity sha1-Ww/1MMDL3oOG9jQiNbpcpumV0lo=
+  version "1.19.11"
+  resolved "https://registry.yarnpkg.com/urijs/-/urijs-1.19.11.tgz#204b0d6b605ae80bea54bea39280cdb7c9f923cc"
+  integrity sha512-HXgFDgDommxn5/bIv0cnQZsPhHDA90NPHD6+c/v21U5+Sx5hoP8+dP9IZXBU1gIfvdRfhG8cel9QNPeionfcCQ==
 
 urix@^0.1.0:
   version "0.1.0"