diff --git a/package.json b/package.json
index 5678671..cd4d738 100644
--- a/package.json
+++ b/package.json
@@ -88,7 +88,7 @@
     "less-loader": "^4.0.5",
     "lint-staged": "^6.0.0",
     "postcss-flexbugs-fixes": "^3.2.0",
-    "postcss-loader": "^2.0.10",
+    "postcss-loader": "^2.1.4",
     "prettier": "^1.10.2",
     "raf": "^3.4.0",
     "react-dev-utils": "^5.0.0",
diff --git a/yarn.lock b/yarn.lock
index 19744c3..6f3fe49 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -181,6 +181,10 @@ 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"
@@ -197,6 +201,15 @@ ajv@^5.0.0, ajv@^5.1.0, 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 "6.4.0"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.4.0.tgz#d3aff78e9277549771daf0164cff48482b754fc6"
+  dependencies:
+    fast-deep-equal "^1.0.0"
+    fast-json-stable-stringify "^2.0.0"
+    json-schema-traverse "^0.3.0"
+    uri-js "^3.0.2"
+
 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"
@@ -6568,14 +6581,14 @@ postcss-load-plugins@^2.3.0:
     cosmiconfig "^2.1.1"
     object-assign "^4.1.0"
 
-postcss-loader@^2.0.10:
-  version "2.0.10"
-  resolved "https://registry.yarnpkg.com/postcss-loader/-/postcss-loader-2.0.10.tgz#090db0540140bd56a7a7f717c41bc29aeef4c674"
+postcss-loader@^2.1.4:
+  version "2.1.4"
+  resolved "https://registry.yarnpkg.com/postcss-loader/-/postcss-loader-2.1.4.tgz#f44a6390e03c84108b2b2063182d1a1011b2ce76"
   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"
@@ -6754,15 +6767,7 @@ postcss@^5.0.10, postcss@^5.0.11, postcss@^5.0.12, postcss@^5.0.13, postcss@^5.0
     source-map "^0.5.6"
     supports-color "^3.2.3"
 
-postcss@^6.0.0, postcss@^6.0.1:
-  version "6.0.14"
-  resolved "http://registry.npm.taobao.org/postcss/download/postcss-6.0.14.tgz#5534c72114739e75d0afcf017db853099f562885"
-  dependencies:
-    chalk "^2.3.0"
-    source-map "^0.6.1"
-    supports-color "^4.4.0"
-
-postcss@^6.0.16:
+postcss@^6.0.0, postcss@^6.0.1, postcss@^6.0.16:
   version "6.0.16"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-6.0.16.tgz#112e2fe2a6d2109be0957687243170ea5589e146"
   dependencies:
@@ -8005,6 +8010,13 @@ 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"
@@ -8594,7 +8606,7 @@ supports-color@^3.1.2, supports-color@^3.2.3:
   dependencies:
     has-flag "^1.0.0"
 
-supports-color@^4.0.0, supports-color@^4.2.1, supports-color@^4.4.0:
+supports-color@^4.0.0, supports-color@^4.2.1:
   version "4.5.0"
   resolved "http://registry.npm.taobao.org/supports-color/download/supports-color-4.5.0.tgz#be7a0de484dec5c5cddf8b3d59125044912f635b"
   dependencies:
@@ -8960,6 +8972,12 @@ upper-case@^1.1.1:
   version "1.1.3"
   resolved "http://registry.npm.taobao.org/upper-case/download/upper-case-1.1.3.tgz#f6b4501c2ec4cdd26ba78be7222961de77621598"
 
+uri-js@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/uri-js/-/uri-js-3.0.2.tgz#f90b858507f81dea4dcfbb3c4c3dbfa2b557faaa"
+  dependencies:
+    punycode "^2.1.0"
+
 urijs@^1.16.1:
   version "1.19.0"
   resolved "http://registry.npm.taobao.org/urijs/download/urijs-1.19.0.tgz#d8aa284d0e7469703a6988ad045c4cbfdf08ada0"