diff --git a/yarn.lock b/yarn.lock
index f3f9bde..9588e95 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1536,8 +1536,8 @@ browserslist@^4.0.0, browserslist@^4.3.4, browserslist@^4.5.4, browserslist@^4.6
     node-releases "^1.1.25"
 
 buffer-from@^1.0.0:
-  version "1.1.1"
-  resolved "https://registry.npm.taobao.org/buffer-from/download/buffer-from-1.1.1.tgz#32713bc028f75c02fdb710d7c7bcec1f2c6070ef"
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.2.tgz#2b146a6fd72e80b4f55d255f35ed59a3a9a41bd5"
 
 buffer-indexof@^1.0.0:
   version "1.1.1"
@@ -1899,8 +1899,8 @@ commander@2.17.x:
   resolved "https://registry.npm.taobao.org/commander/download/commander-2.17.1.tgz#bd77ab7de6de94205ceacc72f1716d29f20a77bf"
 
 commander@^2.18.0, commander@^2.20.0:
-  version "2.20.0"
-  resolved "https://registry.npm.taobao.org/commander/download/commander-2.20.0.tgz#d58bb2b5c1ee8f87b0d340027e9e94e222c5a422"
+  version "2.20.3"
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
 
 commander@~2.19.0:
   version "2.19.0"
@@ -6308,8 +6308,8 @@ source-map-resolve@^0.5.0:
     urix "^0.1.0"
 
 source-map-support@~0.5.12:
-  version "0.5.12"
-  resolved "https://registry.npm.taobao.org/source-map-support/download/source-map-support-0.5.12.tgz#b4f3b10d51857a5af0138d3ce8003b201613d599"
+  version "0.5.21"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.21.tgz#04fe7c7f9e1ed2d662233c28cb2b35b9f63f6e4f"
   dependencies:
     buffer-from "^1.0.0"
     source-map "^0.6.0"
@@ -6654,8 +6654,8 @@ terser-webpack-plugin@^1.1.0, terser-webpack-plugin@^1.2.3:
     worker-farm "^1.7.0"
 
 terser@^4.0.0:
-  version "4.1.2"
-  resolved "https://registry.npm.taobao.org/terser/download/terser-4.1.2.tgz?cache=0&sync_timestamp=1562580696479&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fterser%2Fdownload%2Fterser-4.1.2.tgz#b2656c8a506f7ce805a3f300a2ff48db022fa391"
+  version "4.8.1"
+  resolved "https://registry.yarnpkg.com/terser/-/terser-4.8.1.tgz#a00e5634562de2239fd404c649051bf6fc21144f"
   dependencies:
     commander "^2.20.0"
     source-map "~0.6.1"