diff --git a/examples/yarn.lock b/examples/yarn.lock
index 5848fe46..00264cc7 100644
--- a/examples/yarn.lock
+++ b/examples/yarn.lock
@@ -1480,9 +1480,9 @@ astral-regex@^1.0.0:
   integrity sha1-bIw/uCfdQ+45GPJ7gngqt2WKb9k=
 
 async@^2.4.0:
-  version "2.6.3"
-  resolved "https://registry.npm.taobao.org/async/download/async-2.6.3.tgz#d72625e2344a3656e3a3ad4fa749fa83299d82ff"
-  integrity sha1-1yYl4jRKNlbjo61Pp0n6gymdgv8=
+  version "2.6.4"
+  resolved "https://registry.yarnpkg.com/async/-/async-2.6.4.tgz#706b7ff6084664cd7eae713f6f965433b5504221"
+  integrity sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==
   dependencies:
     lodash "^4.17.14"
 
@@ -4244,9 +4244,9 @@ lodash.throttle@^4.1.1:
   integrity sha1-wj6RtxAkKscMN/HhzaknTMOb8vQ=
 
 lodash@^4.17.10, lodash@^4.17.13, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.3.0:
-  version "4.17.15"
-  resolved "https://registry.npm.taobao.org/lodash/download/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
-  integrity sha1-tEf2ZwoEVbv+7dETku/zMOoJdUg=
+  version "4.17.21"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.21.tgz#679591c564c3bffaae8454cf0b3df370c3d6911c"
+  integrity sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg==
 
 log-symbols@^2.2.0:
   version "2.2.0"