diff --git a/package.json b/package.json
index f1f2dc5..921a4e2 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "css-loader": "^3.2.0",
     "less": "^3.10.3",
     "less-loader": "^5.0.0",
-    "postcss": "^7.0.18",
+    "postcss": "^8.2.10",
     "style-loader": "^1.0.0"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 7072e30..a2701f7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -792,6 +792,11 @@ color-name@1.1.3:
   resolved "https://registry.npm.taobao.org/color-name/download/color-name-1.1.3.tgz#a7d0558bd89c42f795dd42328f740831ca53bc25"
   integrity sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=
 
+colorette@^1.2.2:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/colorette/-/colorette-1.2.2.tgz#cbcc79d5e99caea2dbf10eb3a26fd8b3e6acfa94"
+  integrity sha512-MKGMzyfeuutC/ZJ1cba9NqcNpfeqMUcYmyF1ZFY6/Cn7CNSAKx6a+s48sqLqyAiZuaP2TcqMhoo+dlwFnVxT9w==
+
 combined-stream@^1.0.6, combined-stream@~1.0.6:
   version "1.0.8"
   resolved "https://registry.npm.taobao.org/combined-stream/download/combined-stream-1.0.8.tgz#c3d45a8b34fd730631a110a8a2520682b31d5a7f"
@@ -2481,6 +2486,11 @@ nan@^2.12.1:
   resolved "https://registry.npm.taobao.org/nan/download/nan-2.14.0.tgz#7818f722027b2459a86f0295d434d1fc2336c52c"
   integrity sha1-eBj3IgJ7JFmobwKV1DTR/CM2xSw=
 
+nanoid@^3.1.22:
+  version "3.1.23"
+  resolved "https://registry.yarnpkg.com/nanoid/-/nanoid-3.1.23.tgz#f744086ce7c2bc47ee0a8472574d5c78e4183a81"
+  integrity sha512-FiB0kzdP0FFVGDKlRLEQ1BgDzU87dy5NnzjeW9YZNt+/c3+q82EQDUwniSAUxp/F0gFNI1ZhKU1FqYsMuqZVnw==
+
 nanomatch@^1.2.9:
   version "1.2.13"
   resolved "https://registry.npm.taobao.org/nanomatch/download/nanomatch-1.2.13.tgz#b87a8aa4fc0de8fe6be88895b38983ff265bd119"
@@ -3004,16 +3014,7 @@ postcss@^6.x:
     source-map "^0.6.1"
     supports-color "^5.4.0"
 
-postcss@^7.0.14, postcss@^7.0.16, postcss@^7.0.17, postcss@^7.0.18, postcss@^7.0.5, postcss@^7.0.6:
-  version "7.0.18"
-  resolved "https://registry.npm.taobao.org/postcss/download/postcss-7.0.18.tgz#4b9cda95ae6c069c67a4d933029eddd4838ac233"
-  integrity sha1-S5zala5sBpxnpNkzAp7d1IOKwjM=
-  dependencies:
-    chalk "^2.4.2"
-    source-map "^0.6.1"
-    supports-color "^6.1.0"
-
-postcss@^7.0.21:
+postcss@^7.0.14, postcss@^7.0.16, postcss@^7.0.17, postcss@^7.0.21, postcss@^7.0.5, postcss@^7.0.6:
   version "7.0.21"
   resolved "https://registry.npm.taobao.org/postcss/download/postcss-7.0.21.tgz#06bb07824c19c2021c5d056d5b10c35b989f7e17"
   integrity sha1-BrsHgkwZwgIcXQVtWxDDW5iffhc=
@@ -3022,6 +3023,15 @@ postcss@^7.0.21:
     source-map "^0.6.1"
     supports-color "^6.1.0"
 
+postcss@^8.2.10:
+  version "8.2.10"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.2.10.tgz#ca7a042aa8aff494b334d0ff3e9e77079f6f702b"
+  integrity sha512-b/h7CPV7QEdrqIxtAf2j31U5ef05uBDuvoXv6L51Q4rcS1jdlXAVKJv+atCFdUXYl9dyTHGyoMzIepwowRJjFw==
+  dependencies:
+    colorette "^1.2.2"
+    nanoid "^3.1.22"
+    source-map "^0.6.1"
+
 prepend-http@^1.0.0:
   version "1.0.4"
   resolved "https://registry.npm.taobao.org/prepend-http/download/prepend-http-1.0.4.tgz#d4f4562b0ce3696e41ac52d0e002e57a635dc6dc"