diff --git a/yarn.lock b/yarn.lock
index 80d00e7..84ee30f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3198,11 +3198,16 @@ bser@2.1.1:
   dependencies:
     node-int64 "^0.4.0"
 
-buffer-from@1.x, buffer-from@^1.0.0:
+buffer-from@1.x:
   version "1.1.1"
   resolved "https://registry.npm.taobao.org/buffer-from/download/buffer-from-1.1.1.tgz#32713bc028f75c02fdb710d7c7bcec1f2c6070ef"
   integrity sha1-MnE7wCj3XAL9txDXx7zsHyxgcO8=
 
+buffer-from@^1.0.0:
+  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==
+
 buffer-xor@^1.0.3:
   version "1.0.3"
   resolved "https://registry.npm.taobao.org/buffer-xor/download/buffer-xor-1.0.3.tgz#26e61ed1422fb70dd42e6e36729ed51d855fe8d9"
@@ -9498,9 +9503,9 @@ source-map-resolve@^0.5.0:
     urix "^0.1.0"
 
 source-map-support@^0.5.6, source-map-support@~0.5.12:
-  version "0.5.19"
-  resolved "https://registry.npm.taobao.org/source-map-support/download/source-map-support-0.5.19.tgz?cache=0&sync_timestamp=1587719289626&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fsource-map-support%2Fdownload%2Fsource-map-support-0.5.19.tgz#a98b62f86dcaf4f67399648c085291ab9e8fed61"
-  integrity sha1-qYti+G3K9PZzmWSMCFKRq56P7WE=
+  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"
@@ -9978,9 +9983,9 @@ terser-webpack-plugin@^2.1.2:
     webpack-sources "^1.4.3"
 
 terser@^4.1.2, terser@^4.6.12, terser@^4.6.3:
-  version "4.8.0"
-  resolved "https://registry.npm.taobao.org/terser/download/terser-4.8.0.tgz?cache=0&sync_timestamp=1592448432005&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fterser%2Fdownload%2Fterser-4.8.0.tgz#63056343d7c70bb29f3af665865a46fe03a0df17"
-  integrity sha1-YwVjQ9fHC7KfOvZlhlpG/gOg3xc=
+  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"