diff --git a/demo/nodeMidd/yarn.lock b/demo/nodeMidd/yarn.lock
index d2bb055..58dc130 100644
--- a/demo/nodeMidd/yarn.lock
+++ b/demo/nodeMidd/yarn.lock
@@ -1034,8 +1034,8 @@ qs@6.5.1, qs@~6.5.1:
   resolved "http://registry.npm.taobao.org/qs/download/qs-6.5.1.tgz#349cdf6eef89ec45c12d7d5eb3fc0c870343a6d8"
 
 qs@~6.2.0:
-  version "6.2.3"
-  resolved "http://registry.npm.taobao.org/qs/download/qs-6.2.3.tgz#1cfcb25c10a9b2b483053ff39f5dfc9233908cfe"
+  version "6.2.4"
+  resolved "https://registry.yarnpkg.com/qs/-/qs-6.2.4.tgz#d90821bb8537cecc140e6c34f54ec76e54b39b22"
 
 range-parser@~1.2.0:
   version "1.2.0"