diff --git a/yarn.lock b/yarn.lock
index 68c1df3..7a58106 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1762,9 +1762,9 @@ buf-compare@^1.0.0:
   integrity sha1-/vKNqLgROgoNtEMLC2Rntpcws0o=
 
 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"
-  integrity sha1-MnE7wCj3XAL9txDXx7zsHyxgcO8=
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.1.2.tgz#2b146a6fd72e80b4f55d255f35ed59a3a9a41bd5"
+  integrity sha512-E+XQCRwSbaaiChtv6k6Dwgc+bx+Bs6vuKJHHl5kox/BaKbhiXzqQOwK4cO22yElGp2OCmjwVhT3HmxgyPGnJfQ==
 
 builtin-modules@^3.1.0:
   version "3.1.0"
@@ -1977,8 +1977,8 @@ colors@^1.3.3:
 
 commander@^2.20.0, commander@~2.20.3:
   version "2.20.3"
-  resolved "https://registry.npm.taobao.org/commander/download/commander-2.20.3.tgz?cache=0&sync_timestamp=1573464028535&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fcommander%2Fdownload%2Fcommander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
-  integrity sha1-/UhehMA+tIgcIHIrpIA16FMa6zM=
+  resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
+  integrity sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==
 
 common-path-prefix@^1.0.0:
   version "1.0.0"
@@ -4492,9 +4492,9 @@ source-map-support@^0.4.0, source-map-support@^0.4.15:
     source-map "^0.5.6"
 
 source-map-support@~0.5.12:
-  version "0.5.16"
-  resolved "https://registry.npm.taobao.org/source-map-support/download/source-map-support-0.5.16.tgz?cache=0&sync_timestamp=1572389965235&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fsource-map-support%2Fdownload%2Fsource-map-support-0.5.16.tgz#0ae069e7fe3ba7538c64c98515e35339eac5a042"
-  integrity sha1-CuBp5/47p1OMZMmFFeNTOerFoEI=
+  version "0.5.21"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.21.tgz#04fe7c7f9e1ed2d662233c28cb2b35b9f63f6e4f"
+  integrity sha512-uBHU3L3czsIyYXKX88fdrGovxdSCoTGDRZ6SYXtSRxLZUzHg5P/66Ht6uoUlHu9EZod+inXhKo3qQgwXUT/y1w==
   dependencies:
     buffer-from "^1.0.0"
     source-map "^0.6.0"
@@ -4511,8 +4511,8 @@ source-map@^0.5.0, source-map@^0.5.6, source-map@^0.5.7:
 
 source-map@^0.6.0, source-map@^0.6.1, source-map@~0.6.1:
   version "0.6.1"
-  resolved "https://registry.npm.taobao.org/source-map/download/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
-  integrity sha1-dHIq8y6WFOnCh6jQu95IteLxomM=
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
+  integrity sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==
 
 source-map@~0.2.0:
   version "0.2.0"
@@ -4735,9 +4735,9 @@ term-size@^2.1.0:
   integrity sha1-OuxETAenz5NuFXwdwiS1kMPH7vI=
 
 terser@^4.1.3:
-  version "4.4.0"
-  resolved "https://registry.npm.taobao.org/terser/download/terser-4.4.0.tgz?cache=0&sync_timestamp=1573407917056&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fterser%2Fdownload%2Fterser-4.4.0.tgz#22c46b4817cf4c9565434bfe6ad47336af259ac3"
-  integrity sha1-IsRrSBfPTJVlQ0v+atRzNq8lmsM=
+  version "4.8.1"
+  resolved "https://registry.yarnpkg.com/terser/-/terser-4.8.1.tgz#a00e5634562de2239fd404c649051bf6fc21144f"
+  integrity sha512-4GnLC0x667eJG0ewJTa6z/yXrbLGv80D9Ru6HIpCQmO+Q4PfEtBFi0ObSckqwL6VyQv/7ENJieXHo2ANmdQwgw==
   dependencies:
     commander "^2.20.0"
     source-map "~0.6.1"