diff --git a/package.json b/package.json
index f33245922..da2267f37 100644
--- a/package.json
+++ b/package.json
@@ -69,7 +69,7 @@
     "extract-text-webpack-plugin": "^4.0.0-beta.0",
     "fast-vue-md-loader": "^1.0.3",
     "gh-pages": "^1.0.0",
-    "html-webpack-plugin": "3.1.0",
+    "html-webpack-plugin": "3.2.0",
     "isparta-loader": "^2.0.0",
     "karma": "^2.0.0",
     "karma-chrome-launcher": "^2.2.0",
@@ -101,9 +101,9 @@
     "vue-style-loader": "^4.1.0",
     "vue-template-compiler": "2.5.16",
     "vue-template-es2015-compiler": "^1.6.0",
-    "webpack": "^4.2.0",
-    "webpack-cli": "^2.0.13",
-    "webpack-dev-server": "3.1.1",
+    "webpack": "^4.5.0",
+    "webpack-cli": "^2.0.14",
+    "webpack-dev-server": "3.1.3",
     "webpack-merge": "^4.1.2"
   }
 }
diff --git a/packages/vant-css/src/sku.css b/packages/vant-css/src/sku.css
index 1b540643d..5fc62344a 100644
--- a/packages/vant-css/src/sku.css
+++ b/packages/vant-css/src/sku.css
@@ -3,6 +3,7 @@
 
 .van-sku {
   &-container {
+    font-size: 14px;
     background: $white;
   }
 
@@ -59,18 +60,17 @@
   }
 
   &__price-symbol {
-    font-size: 14px;
     vertical-align: middle;
   }
 
   &__price-num {
+    font-size: 16px;
     vertical-align: middle;
   }
 
   &__goods-price {
     color: $red;
     margin-top: 10px;
-    font-size: 16px;
     vertical-align: middle;
   }
 
@@ -92,7 +92,6 @@
     }
 
     &__title {
-      font-size: 14px;
       padding-bottom: 10px;
     }
 
@@ -143,7 +142,6 @@
     &-title {
       float: left;
       line-height: 30px;
-      font-size: 14px;
     }
   }
 
@@ -217,7 +215,6 @@
       padding: 6px;
 
       &::before {
-        font-size: 14px;
         border-radius: 14px;
         background-color: $white;
       }
diff --git a/yarn.lock b/yarn.lock
index 025bc19fd..13f796d13 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1509,7 +1509,7 @@ bytes@3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.0.0.tgz#d32815404d689699f85a4ea4fa8755dd13a96048"
 
-cacache@^10.0.1:
+cacache@^10.0.4:
   version "10.0.4"
   resolved "https://registry.yarnpkg.com/cacache/-/cacache-10.0.4.tgz#6452367999eff9d4188aefd9a14e9d7c6a263460"
   dependencies:
@@ -1847,14 +1847,6 @@ cliui@^2.1.0:
     right-align "^0.1.1"
     wordwrap "0.0.2"
 
-cliui@^3.2.0:
-  version "3.2.0"
-  resolved "https://registry.yarnpkg.com/cliui/-/cliui-3.2.0.tgz#120601537a916d29940f934da3b48d585a39213d"
-  dependencies:
-    string-width "^1.0.1"
-    strip-ansi "^3.0.1"
-    wrap-ansi "^2.0.0"
-
 cliui@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/cliui/-/cliui-4.0.0.tgz#743d4650e05f36d1ed2575b59638d87322bfbbcc"
@@ -2899,6 +2891,10 @@ entities@^1.1.1, entities@~1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/entities/-/entities-1.1.1.tgz#6e5c2d0a5621b5dadaecef80b90edfb5cd7772f0"
 
+envinfo@^4.4.2:
+  version "4.4.2"
+  resolved "https://registry.yarnpkg.com/envinfo/-/envinfo-4.4.2.tgz#472c49f3a8b9bca73962641ce7cb692bf623cd1c"
+
 errno@^0.1.3:
   version "0.1.6"
   resolved "https://registry.yarnpkg.com/errno/-/errno-0.1.6.tgz#c386ce8a6283f14fc09563b71560908c9bf53026"
@@ -4152,9 +4148,9 @@ html-minifier@^3.2.3:
     relateurl "0.2.x"
     uglify-js "3.3.x"
 
-html-webpack-plugin@3.1.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/html-webpack-plugin/-/html-webpack-plugin-3.1.0.tgz#6e02baaedb1e906310917f03239c793a75af2885"
+html-webpack-plugin@3.2.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/html-webpack-plugin/-/html-webpack-plugin-3.2.0.tgz#b01abbd723acaaa7b37b6af4492ebda03d9dd37b"
   dependencies:
     html-minifier "^3.2.3"
     loader-utils "^0.2.16"
@@ -4217,14 +4213,14 @@ http-proxy-agent@1:
     debug "2"
     extend "3"
 
-http-proxy-middleware@~0.17.4:
-  version "0.17.4"
-  resolved "https://registry.yarnpkg.com/http-proxy-middleware/-/http-proxy-middleware-0.17.4.tgz#642e8848851d66f09d4f124912846dbaeb41b833"
+http-proxy-middleware@~0.18.0:
+  version "0.18.0"
+  resolved "https://registry.yarnpkg.com/http-proxy-middleware/-/http-proxy-middleware-0.18.0.tgz#0987e6bb5a5606e5a69168d8f967a87f15dd8aab"
   dependencies:
     http-proxy "^1.16.2"
-    is-glob "^3.1.0"
-    lodash "^4.17.2"
-    micromatch "^2.3.11"
+    is-glob "^4.0.0"
+    lodash "^4.17.5"
+    micromatch "^3.1.9"
 
 http-proxy@^1.13.0, http-proxy@^1.16.2:
   version "1.16.2"
@@ -5233,15 +5229,6 @@ load-json-file@^1.0.0:
     pinkie-promise "^2.0.0"
     strip-bom "^2.0.0"
 
-load-json-file@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/load-json-file/-/load-json-file-2.0.0.tgz#7947e42149af80d696cbf797bcaabcfe1fe29ca8"
-  dependencies:
-    graceful-fs "^4.1.2"
-    parse-json "^2.2.0"
-    pify "^2.0.0"
-    strip-bom "^3.0.0"
-
 load-json-file@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/load-json-file/-/load-json-file-4.0.0.tgz#2f5f45ab91e33216234fd53adab668eb4ec0993b"
@@ -5592,7 +5579,7 @@ methods@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/methods/-/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"
 
-micromatch@^2.1.5, micromatch@^2.3.11, micromatch@^2.3.7:
+micromatch@^2.1.5, micromatch@^2.3.7:
   version "2.3.11"
   resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-2.3.11.tgz#86677c97d1720b363431d04d0d15293bd38c1565"
   dependencies:
@@ -5646,6 +5633,24 @@ micromatch@^3.1.8:
     snapdragon "^0.8.1"
     to-regex "^3.0.1"
 
+micromatch@^3.1.9:
+  version "3.1.10"
+  resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-3.1.10.tgz#70859bc95c9840952f359a068a3fc49f9ecfac23"
+  dependencies:
+    arr-diff "^4.0.0"
+    array-unique "^0.3.2"
+    braces "^2.3.1"
+    define-property "^2.0.2"
+    extend-shallow "^3.0.2"
+    extglob "^2.0.4"
+    fragment-cache "^0.2.1"
+    kind-of "^6.0.2"
+    nanomatch "^1.2.9"
+    object.pick "^1.3.0"
+    regex-not "^1.0.0"
+    snapdragon "^0.8.1"
+    to-regex "^3.0.2"
+
 miller-rabin@^4.0.0:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/miller-rabin/-/miller-rabin-4.0.1.tgz#f080351c865b0dc562a8462966daa53543c78a4d"
@@ -6554,12 +6559,6 @@ path-type@^1.0.0:
     pify "^2.0.0"
     pinkie-promise "^2.0.0"
 
-path-type@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/path-type/-/path-type-2.0.0.tgz#f012ccb8415b7096fc2daa1054c3d72389594c73"
-  dependencies:
-    pify "^2.0.0"
-
 path-type@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/path-type/-/path-type-3.0.0.tgz#cef31dc8e0a1a3bb0d105c0cd97cf3bf47f4e36f"
@@ -7379,13 +7378,6 @@ read-pkg-up@^1.0.1:
     find-up "^1.0.0"
     read-pkg "^1.0.0"
 
-read-pkg-up@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/read-pkg-up/-/read-pkg-up-2.0.0.tgz#6b72a8048984e0c41e79510fd5e9fa99b3b549be"
-  dependencies:
-    find-up "^2.0.0"
-    read-pkg "^2.0.0"
-
 read-pkg-up@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/read-pkg-up/-/read-pkg-up-3.0.0.tgz#3ed496685dba0f8fe118d0691dc51f4a1ff96f07"
@@ -7401,14 +7393,6 @@ read-pkg@^1.0.0:
     normalize-package-data "^2.3.2"
     path-type "^1.0.0"
 
-read-pkg@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/read-pkg/-/read-pkg-2.0.0.tgz#8ef1c0623c6a6db0dc6713c4bfac46332b2368f8"
-  dependencies:
-    load-json-file "^2.0.0"
-    normalize-package-data "^2.3.2"
-    path-type "^2.0.0"
-
 read-pkg@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/read-pkg/-/read-pkg-3.0.0.tgz#9cbc686978fee65d16c00e2b19c237fcf6e38389"
@@ -7580,6 +7564,13 @@ regex-not@^1.0.0:
   dependencies:
     extend-shallow "^2.0.1"
 
+regex-not@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/regex-not/-/regex-not-1.0.2.tgz#1f4ece27e00b0b65e0247a6810e6a85d83a5752c"
+  dependencies:
+    extend-shallow "^3.0.2"
+    safe-regex "^1.1.0"
+
 regexpp@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/regexpp/-/regexpp-1.0.1.tgz#d857c3a741dce075c2848dcb019a0a975b190d43"
@@ -7870,6 +7861,10 @@ restore-cursor@^2.0.0:
     onetime "^2.0.0"
     signal-exit "^3.0.2"
 
+ret@~0.1.10:
+  version "0.1.15"
+  resolved "https://registry.yarnpkg.com/ret/-/ret-0.1.15.tgz#b8a4825d5bdb1fc3f6f53c2bc33f81388681c7bc"
+
 rgb@~0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/rgb/-/rgb-0.1.0.tgz#be27b291e8feffeac1bd99729721bfa40fc037b5"
@@ -7929,6 +7924,12 @@ safe-buffer@5.1.1, safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, s
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.1.tgz#893312af69b2123def71f57889001671eeb2c853"
 
+safe-regex@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/safe-regex/-/safe-regex-1.1.0.tgz#40a3669f3b077d1e943d44629e157dd48023bf2e"
+  dependencies:
+    ret "~0.1.10"
+
 samsam@1.x, samsam@^1.1.3:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/samsam/-/samsam-1.3.0.tgz#8d1d9350e25622da30de3e44ba692b5221ab7c50"
@@ -8801,6 +8802,15 @@ to-regex@^3.0.1:
     extend-shallow "^2.0.1"
     regex-not "^1.0.0"
 
+to-regex@^3.0.2:
+  version "3.0.2"
+  resolved "https://registry.yarnpkg.com/to-regex/-/to-regex-3.0.2.tgz#13cfdd9b336552f30b51f33a8ae1b42a7a7599ce"
+  dependencies:
+    define-property "^2.0.2"
+    extend-shallow "^3.0.2"
+    regex-not "^1.0.2"
+    safe-regex "^1.1.0"
+
 toposort@^1.0.0:
   version "1.0.6"
   resolved "https://registry.yarnpkg.com/toposort/-/toposort-1.0.6.tgz#c31748e55d210effc00fdcdc7d6e68d7d7bb9cec"
@@ -8912,13 +8922,13 @@ uglify-to-browserify@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/uglify-to-browserify/-/uglify-to-browserify-1.0.2.tgz#6e0924d6bda6b5afe349e39a6d632850a0f882b7"
 
-uglifyjs-webpack-plugin@^1.1.1:
-  version "1.2.2"
-  resolved "https://registry.yarnpkg.com/uglifyjs-webpack-plugin/-/uglifyjs-webpack-plugin-1.2.2.tgz#e7516d4367afdb715c3847841eb46f94c45ca2b9"
+uglifyjs-webpack-plugin@^1.2.4:
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/uglifyjs-webpack-plugin/-/uglifyjs-webpack-plugin-1.2.4.tgz#5eec941b2e9b8538be0a20fc6eda25b14c7c1043"
   dependencies:
-    cacache "^10.0.1"
+    cacache "^10.0.4"
     find-cache-dir "^1.0.0"
-    schema-utils "^0.4.2"
+    schema-utils "^0.4.5"
     serialize-javascript "^1.4.0"
     source-map "^0.6.1"
     uglify-es "^3.3.4"
@@ -9322,17 +9332,19 @@ webpack-addons@^1.1.5:
   dependencies:
     jscodeshift "^0.4.0"
 
-webpack-cli@^2.0.13:
-  version "2.0.13"
-  resolved "https://registry.yarnpkg.com/webpack-cli/-/webpack-cli-2.0.13.tgz#6e2bd9ef91345344737217e22e29001ad8537518"
+webpack-cli@^2.0.14:
+  version "2.0.14"
+  resolved "https://registry.yarnpkg.com/webpack-cli/-/webpack-cli-2.0.14.tgz#71d03d8c10547c1dfd674f71ff3b0457c33a74cd"
   dependencies:
     chalk "^2.3.2"
     cross-spawn "^6.0.5"
     diff "^3.5.0"
     enhanced-resolve "^4.0.0"
+    envinfo "^4.4.2"
     glob-all "^3.1.0"
     global-modules "^1.0.0"
     got "^8.2.0"
+    import-local "^1.0.0"
     inquirer "^5.1.0"
     interpret "^1.0.4"
     jscodeshift "^0.5.0"
@@ -9344,17 +9356,16 @@ webpack-cli@^2.0.13:
     p-each-series "^1.0.0"
     p-lazy "^1.0.0"
     prettier "^1.5.3"
-    resolve-cwd "^2.0.0"
     supports-color "^5.3.0"
     v8-compile-cache "^1.1.2"
     webpack-addons "^1.1.5"
-    yargs "^11.0.0"
+    yargs "^11.1.0"
     yeoman-environment "^2.0.0"
     yeoman-generator "^2.0.3"
 
-webpack-dev-middleware@3.0.1:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/webpack-dev-middleware/-/webpack-dev-middleware-3.0.1.tgz#7ffd6d0192883c83d3f262e8d7dec822493c6166"
+webpack-dev-middleware@3.1.2:
+  version "3.1.2"
+  resolved "https://registry.yarnpkg.com/webpack-dev-middleware/-/webpack-dev-middleware-3.1.2.tgz#be4d0c36a4fa7d69d6904093418514caa9df3a40"
   dependencies:
     loud-rejection "^1.6.0"
     memory-fs "~0.4.1"
@@ -9374,9 +9385,9 @@ webpack-dev-middleware@^1.12.0:
     range-parser "^1.0.3"
     time-stamp "^2.0.0"
 
-webpack-dev-server@3.1.1:
-  version "3.1.1"
-  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-3.1.1.tgz#3c0fdd1ba3b50ebc79858a0e6b9ccdd1565b0c24"
+webpack-dev-server@3.1.3:
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/webpack-dev-server/-/webpack-dev-server-3.1.3.tgz#5cecfd8a9d60c4638284813f1cf9562f04e5c1c5"
   dependencies:
     ansi-html "0.0.7"
     array-includes "^3.0.3"
@@ -9388,7 +9399,7 @@ webpack-dev-server@3.1.1:
     del "^3.0.0"
     express "^4.16.2"
     html-entities "^1.2.0"
-    http-proxy-middleware "~0.17.4"
+    http-proxy-middleware "~0.18.0"
     import-local "^1.0.0"
     internal-ip "1.2.0"
     ip "^1.1.5"
@@ -9403,9 +9414,9 @@ webpack-dev-server@3.1.1:
     spdy "^3.4.1"
     strip-ansi "^3.0.0"
     supports-color "^5.1.0"
-    webpack-dev-middleware "3.0.1"
+    webpack-dev-middleware "3.1.2"
     webpack-log "^1.1.2"
-    yargs "9.0.1"
+    yargs "11.0.0"
 
 webpack-log@^1.0.1, webpack-log@^1.1.2:
   version "1.1.2"
@@ -9429,9 +9440,9 @@ webpack-sources@^1.0.1, webpack-sources@^1.1.0:
     source-list-map "^2.0.0"
     source-map "~0.6.1"
 
-webpack@^4.2.0:
-  version "4.2.0"
-  resolved "https://registry.yarnpkg.com/webpack/-/webpack-4.2.0.tgz#a4f80807651a0e611bb09609600dc266262efcc1"
+webpack@^4.5.0:
+  version "4.5.0"
+  resolved "https://registry.yarnpkg.com/webpack/-/webpack-4.5.0.tgz#1e6f71e148ead02be265ff2879c9cd6bb30b8848"
   dependencies:
     acorn "^5.0.0"
     acorn-dynamic-import "^3.0.0"
@@ -9449,7 +9460,7 @@ webpack@^4.2.0:
     node-libs-browser "^2.0.0"
     schema-utils "^0.4.2"
     tapable "^1.0.0"
-    uglifyjs-webpack-plugin "^1.1.1"
+    uglifyjs-webpack-plugin "^1.2.4"
     watchpack "^1.5.0"
     webpack-sources "^1.0.1"
 
@@ -9572,37 +9583,30 @@ yallist@^2.1.2:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-2.1.2.tgz#1c11f9218f076089a47dd512f93c6699a6a81d52"
 
-yargs-parser@^7.0.0:
-  version "7.0.0"
-  resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-7.0.0.tgz#8d0ac42f16ea55debd332caf4c4038b3e3f5dfd9"
-  dependencies:
-    camelcase "^4.1.0"
-
 yargs-parser@^9.0.2:
   version "9.0.2"
   resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-9.0.2.tgz#9ccf6a43460fe4ed40a9bb68f48d43b8a68cc077"
   dependencies:
     camelcase "^4.1.0"
 
-yargs@9.0.1:
-  version "9.0.1"
-  resolved "https://registry.yarnpkg.com/yargs/-/yargs-9.0.1.tgz#52acc23feecac34042078ee78c0c007f5085db4c"
+yargs@11.0.0:
+  version "11.0.0"
+  resolved "https://registry.yarnpkg.com/yargs/-/yargs-11.0.0.tgz#c052931006c5eee74610e5fc0354bedfd08a201b"
   dependencies:
-    camelcase "^4.1.0"
-    cliui "^3.2.0"
+    cliui "^4.0.0"
     decamelize "^1.1.1"
+    find-up "^2.1.0"
     get-caller-file "^1.0.1"
     os-locale "^2.0.0"
-    read-pkg-up "^2.0.0"
     require-directory "^2.1.1"
     require-main-filename "^1.0.1"
     set-blocking "^2.0.0"
     string-width "^2.0.0"
     which-module "^2.0.0"
     y18n "^3.2.1"
-    yargs-parser "^7.0.0"
+    yargs-parser "^9.0.2"
 
-yargs@^11.0.0:
+yargs@^11.1.0:
   version "11.1.0"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-11.1.0.tgz#90b869934ed6e871115ea2ff58b03f4724ed2d77"
   dependencies: