diff --git a/example/wepy-wechat-demo/yarn.lock b/example/wepy-wechat-demo/yarn.lock
index 8eac1ac..af9274b 100644
--- a/example/wepy-wechat-demo/yarn.lock
+++ b/example/wepy-wechat-demo/yarn.lock
@@ -1151,12 +1151,6 @@ debug@^2.1.1, debug@^2.6.8:
   dependencies:
     ms "2.0.0"
 
-debug@^3.1.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/debug/-/debug-3.1.0.tgz#5bb5a0672628b64149566ba16819e61518c67261"
-  dependencies:
-    ms "2.0.0"
-
 decamelize@^1.0.0, decamelize@^1.1.1, decamelize@^1.1.2:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
@@ -1741,10 +1735,8 @@ flat-cache@^1.2.1:
     write "^0.2.1"
 
 follow-redirects@^1.2.3:
-  version "1.4.1"
-  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.4.1.tgz#d8120f4518190f55aac65bb6fc7b85fcd666d6aa"
-  dependencies:
-    debug "^3.1.0"
+  version "1.14.8"
+  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.14.8.tgz#016996fb9a11a100566398b1c6839337d7bfa8fc"
 
 for-in@^1.0.1:
   version "1.0.2"