diff --git a/package.json b/package.json
index 70ec1b9..125c221 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "koa": "^2.3.0",
     "less": "^2.7.2",
     "less-loader": "^4.0.5",
-    "postcss-loader": "^2.0.6",
+    "postcss-loader": "^2.1.3",
     "prop-types": "^15.6.0",
     "react": "^16.2.0",
     "react-dom": "^16.2.0",
diff --git a/yarn.lock b/yarn.lock
index 7653fce..c6a5ca4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -94,6 +94,10 @@ ajv-keywords@^2.0.0, ajv-keywords@^2.1.0:
   version "2.1.1"
   resolved "http://registry.npm.taobao.org/ajv-keywords/download/ajv-keywords-2.1.1.tgz#617997fc5f60576894c435f940d819e135b80762"
 
+ajv-keywords@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-3.1.0.tgz#ac2b27939c543e95d2c06e7f7f5c27be4aa543be"
+
 ajv@^4.9.1:
   version "4.11.8"
   resolved "http://registry.npm.taobao.org/ajv/download/ajv-4.11.8.tgz#82ffb02b29e662ae53bdc20af15947706739c536"
@@ -110,6 +114,14 @@ ajv@^5.0.0, ajv@^5.1.5, ajv@^5.2.3, ajv@^5.3.0:
     fast-json-stable-stringify "^2.0.0"
     json-schema-traverse "^0.3.0"
 
+ajv@^6.1.0:
+  version "6.3.0"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.3.0.tgz#1650a41114ef00574cac10b8032d8f4c14812da7"
+  dependencies:
+    fast-deep-equal "^1.0.0"
+    fast-json-stable-stringify "^2.0.0"
+    json-schema-traverse "^0.3.0"
+
 align-text@^0.1.1, align-text@^0.1.3:
   version "0.1.4"
   resolved "http://registry.npm.taobao.org/align-text/download/align-text-0.1.4.tgz#0cd90a561093f35d0a99256c22b7069433fad117"
@@ -3996,14 +4008,14 @@ postcss-load-plugins@^2.3.0:
     cosmiconfig "^2.1.1"
     object-assign "^4.1.0"
 
-postcss-loader@^2.0.6:
-  version "2.0.9"
-  resolved "http://registry.npm.taobao.org/postcss-loader/download/postcss-loader-2.0.9.tgz#001fdf7bfeeb159405ee61d1bb8e59b528dbd309"
+postcss-loader@^2.1.3:
+  version "2.1.3"
+  resolved "https://registry.yarnpkg.com/postcss-loader/-/postcss-loader-2.1.3.tgz#eb210da734e475a244f76ccd61f9860f5bb3ee09"
   dependencies:
     loader-utils "^1.1.0"
     postcss "^6.0.0"
     postcss-load-config "^1.2.0"
-    schema-utils "^0.3.0"
+    schema-utils "^0.4.0"
 
 postcss-merge-idents@^2.1.5:
   version "2.1.7"
@@ -4710,6 +4722,13 @@ schema-utils@^0.3.0:
   dependencies:
     ajv "^5.0.0"
 
+schema-utils@^0.4.0:
+  version "0.4.5"
+  resolved "https://registry.yarnpkg.com/schema-utils/-/schema-utils-0.4.5.tgz#21836f0608aac17b78f9e3e24daff14a5ca13a3e"
+  dependencies:
+    ajv "^6.1.0"
+    ajv-keywords "^3.1.0"
+
 select-hose@^2.0.0:
   version "2.0.0"
   resolved "http://registry.npm.taobao.org/select-hose/download/select-hose-2.0.0.tgz#625d8658f865af43ec962bfc376a37359a4994ca"