diff --git a/examples/yarn.lock b/examples/yarn.lock
index c918fde..2d562e7 100644
--- a/examples/yarn.lock
+++ b/examples/yarn.lock
@@ -2387,11 +2387,11 @@ es-to-primitive@^1.2.0:
 
 es6-promise@^4.0.3:
   version "4.2.8"
-  resolved "https://registry.npm.taobao.org/es6-promise/download/es6-promise-4.2.8.tgz?cache=0&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fes6-promise%2Fdownload%2Fes6-promise-4.2.8.tgz#4eb21594c972bc40553d276e510539143db53e0a"
+  resolved "https://registry.yarnpkg.com/es6-promise/-/es6-promise-4.2.8.tgz#4eb21594c972bc40553d276e510539143db53e0a"
 
 es6-promisify@^5.0.0:
   version "5.0.0"
-  resolved "https://registry.npm.taobao.org/es6-promisify/download/es6-promisify-5.0.0.tgz#5109d62f3e56ea967c4b63505aef08291c8a5203"
+  resolved "https://registry.yarnpkg.com/es6-promisify/-/es6-promisify-5.0.0.tgz#5109d62f3e56ea967c4b63505aef08291c8a5203"
   dependencies:
     es6-promise "^4.0.3"
 
@@ -3276,8 +3276,8 @@ http-signature@~1.2.0:
     sshpk "^1.7.0"
 
 https-proxy-agent@^2.2.1:
-  version "2.2.2"
-  resolved "https://registry.npm.taobao.org/https-proxy-agent/download/https-proxy-agent-2.2.2.tgz#271ea8e90f836ac9f119daccd39c19ff7dfb0793"
+  version "2.2.4"
+  resolved "https://registry.yarnpkg.com/https-proxy-agent/-/https-proxy-agent-2.2.4.tgz#4ee7a737abd92678a293d9b34a1af4d0d08c787b"
   dependencies:
     agent-base "^4.3.0"
     debug "^3.1.0"
@@ -4659,7 +4659,7 @@ ms@2.1.1:
 
 ms@^2.1.1:
   version "2.1.2"
-  resolved "https://registry.npm.taobao.org/ms/download/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.2.tgz#d09d1f357b443f493382a8eb3ccd183872ae6009"
 
 mute-stream@0.0.6:
   version "0.0.6"