diff --git a/lerna.json b/lerna.json
index 14f26ef548..a2c61ac992 100644
--- a/lerna.json
+++ b/lerna.json
@@ -2,5 +2,5 @@
   "lerna": "2.5.1",
   "npmClient": "yarn",
   "useWorkspaces": true,
-  "version": "1.0.0-alpha.27"
+  "version": "1.0.0-alpha.28"
 }
diff --git a/packages/@vuepress/core/package.json b/packages/@vuepress/core/package.json
index c849c2caa2..da19769a55 100644
--- a/packages/@vuepress/core/package.json
+++ b/packages/@vuepress/core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vuepress/core",
-  "version": "1.0.0-alpha.27",
+  "version": "1.0.0-alpha.28",
   "description": "Minimalistic doc generator with Vue component based layout system",
   "main": "lib/index.js",
   "repository": {
@@ -30,13 +30,14 @@
   "dependencies": {
     "@babel/core": "^7.0.0",
     "@vue/babel-preset-app": "^3.1.1",
-    "@vuepress/markdown": "^1.0.0-alpha.27",
-    "@vuepress/markdown-loader": "^1.0.0-alpha.27",
-    "@vuepress/plugin-last-updated": "^1.0.0-alpha.27",
-    "@vuepress/plugin-register-components": "^1.0.0-alpha.27",
-    "@vuepress/shared-utils": "^1.0.0-alpha.27",
+    "@vuepress/markdown": "^1.0.0-alpha.28",
+    "@vuepress/markdown-loader": "^1.0.0-alpha.28",
+    "@vuepress/plugin-last-updated": "^1.0.0-alpha.28",
+    "@vuepress/plugin-register-components": "^1.0.0-alpha.28",
+    "@vuepress/shared-utils": "^1.0.0-alpha.28",
     "autoprefixer": "^8.2.0",
     "babel-loader": "^8.0.4",
+    "cac": "^6.3.9",
     "cache-loader": "^1.2.2",
     "chokidar": "^2.0.3",
     "connect-history-api-fallback": "^1.5.0",
@@ -55,6 +56,7 @@
     "optimize-css-assets-webpack-plugin": "^4.0.0",
     "portfinder": "^1.0.13",
     "postcss-loader": "^2.1.5",
+    "semver": "^5.5.0",
     "toml": "^2.3.3",
     "url-loader": "^1.0.1",
     "vue": "^2.5.16",
@@ -68,9 +70,7 @@
     "webpack-chain": "^4.6.0",
     "webpack-merge": "^4.1.2",
     "webpack-serve": "^1.0.2",
-    "webpackbar": "^2.6.1",
-    "semver": "^5.5.0",
-    "cac": "^6.3.9"
+    "webpackbar": "^2.6.1"
   },
   "engines": {
     "node": ">=8.6"
diff --git a/packages/@vuepress/markdown-loader/package.json b/packages/@vuepress/markdown-loader/package.json
index 78c533c646..676edef9c1 100644
--- a/packages/@vuepress/markdown-loader/package.json
+++ b/packages/@vuepress/markdown-loader/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vuepress/markdown-loader",
-  "version": "1.0.0-alpha.27",
+  "version": "1.0.0-alpha.28",
   "description": "markdown-loader for vuepress",
   "main": "index.js",
   "publishConfig": {
@@ -17,7 +17,7 @@
     "generator"
   ],
   "dependencies": {
-    "@vuepress/markdown": "^1.0.0-alpha.27",
+    "@vuepress/markdown": "^1.0.0-alpha.28",
     "loader-utils": "^1.1.0"
   },
   "author": "Evan You",
diff --git a/packages/@vuepress/markdown/package.json b/packages/@vuepress/markdown/package.json
index f57cb9a91b..755c41a77b 100644
--- a/packages/@vuepress/markdown/package.json
+++ b/packages/@vuepress/markdown/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vuepress/markdown",
-  "version": "1.0.0-alpha.27",
+  "version": "1.0.0-alpha.28",
   "description": "markdown for vuepress",
   "main": "index.js",
   "publishConfig": {
@@ -18,7 +18,7 @@
     "markdown"
   ],
   "dependencies": {
-    "@vuepress/shared-utils": "^1.0.0-alpha.27",
+    "@vuepress/shared-utils": "^1.0.0-alpha.28",
     "markdown-it": "^8.4.1",
     "markdown-it-anchor": "^5.0.2",
     "markdown-it-chain": "^1.3.0",
diff --git a/packages/@vuepress/plugin-active-header-links/package.json b/packages/@vuepress/plugin-active-header-links/package.json
index 25adefcd0b..b8b398ed00 100644
--- a/packages/@vuepress/plugin-active-header-links/package.json
+++ b/packages/@vuepress/plugin-active-header-links/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vuepress/plugin-active-header-links",
-  "version": "1.0.0-alpha.27",
+  "version": "1.0.0-alpha.28",
   "description": "active-header-links plugin for vuepress",
   "main": "index.js",
   "publishConfig": {
diff --git a/packages/@vuepress/plugin-back-to-top/package.json b/packages/@vuepress/plugin-back-to-top/package.json
index 3b23a590fb..611c4ddd5b 100644
--- a/packages/@vuepress/plugin-back-to-top/package.json
+++ b/packages/@vuepress/plugin-back-to-top/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vuepress/plugin-back-to-top",
-  "version": "1.0.0-alpha.27",
+  "version": "1.0.0-alpha.28",
   "description": "back-to-top plugin for vuepress",
   "main": "index.js",
   "publishConfig": {
diff --git a/packages/@vuepress/plugin-blog/package.json b/packages/@vuepress/plugin-blog/package.json
index b9358887f2..b9c19552b7 100644
--- a/packages/@vuepress/plugin-blog/package.json
+++ b/packages/@vuepress/plugin-blog/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vuepress/plugin-blog",
-  "version": "1.0.0-alpha.27",
+  "version": "1.0.0-alpha.28",
   "description": "blog plugin for vuepress",
   "main": "index.js",
   "publishConfig": {
diff --git a/packages/@vuepress/plugin-google-analytics/package.json b/packages/@vuepress/plugin-google-analytics/package.json
index 514c47c0ec..cc35849e91 100644
--- a/packages/@vuepress/plugin-google-analytics/package.json
+++ b/packages/@vuepress/plugin-google-analytics/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vuepress/plugin-google-analytics",
-  "version": "1.0.0-alpha.27",
+  "version": "1.0.0-alpha.28",
   "description": "google-analytics plugin for vuepress",
   "main": "index.js",
   "publishConfig": {
diff --git a/packages/@vuepress/plugin-i18n-ui/package.json b/packages/@vuepress/plugin-i18n-ui/package.json
index 9f66e52243..21dee26117 100644
--- a/packages/@vuepress/plugin-i18n-ui/package.json
+++ b/packages/@vuepress/plugin-i18n-ui/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vuepress/plugin-i18n-ui",
-  "version": "1.0.0-alpha.27",
+  "version": "1.0.0-alpha.28",
   "description": "i18n-ui plugin for vuepress",
   "main": "index.js",
   "publishConfig": {
diff --git a/packages/@vuepress/plugin-last-updated/package.json b/packages/@vuepress/plugin-last-updated/package.json
index a44a22ac7c..606e574115 100644
--- a/packages/@vuepress/plugin-last-updated/package.json
+++ b/packages/@vuepress/plugin-last-updated/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vuepress/plugin-last-updated",
-  "version": "1.0.0-alpha.27",
+  "version": "1.0.0-alpha.28",
   "description": "last-updated plugin for vuepress",
   "main": "index.js",
   "publishConfig": {
diff --git a/packages/@vuepress/plugin-medium-zoom/package.json b/packages/@vuepress/plugin-medium-zoom/package.json
index 15c94047bf..adc6436ccd 100644
--- a/packages/@vuepress/plugin-medium-zoom/package.json
+++ b/packages/@vuepress/plugin-medium-zoom/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vuepress/plugin-medium-zoom",
-  "version": "1.0.0-alpha.27",
+  "version": "1.0.0-alpha.28",
   "description": "medium-zoom plugin for vuepress",
   "main": "index.js",
   "publishConfig": {
diff --git a/packages/@vuepress/plugin-notification/package.json b/packages/@vuepress/plugin-notification/package.json
index 2557793ce7..43a7c1c5ce 100644
--- a/packages/@vuepress/plugin-notification/package.json
+++ b/packages/@vuepress/plugin-notification/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vuepress/plugin-notification",
-  "version": "1.0.0-alpha.27",
+  "version": "1.0.0-alpha.28",
   "description": "notification plugin for vuepress",
   "main": "index.js",
   "publishConfig": {
diff --git a/packages/@vuepress/plugin-pagination/package.json b/packages/@vuepress/plugin-pagination/package.json
index a56438f39c..a157bc1cc2 100644
--- a/packages/@vuepress/plugin-pagination/package.json
+++ b/packages/@vuepress/plugin-pagination/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vuepress/plugin-pagination",
-  "version": "1.0.0-alpha.27",
+  "version": "1.0.0-alpha.28",
   "description": "pagination plugin for vuepress",
   "main": "index.js",
   "publishConfig": {
diff --git a/packages/@vuepress/plugin-pwa/package.json b/packages/@vuepress/plugin-pwa/package.json
index 8e82047299..749a050bc2 100644
--- a/packages/@vuepress/plugin-pwa/package.json
+++ b/packages/@vuepress/plugin-pwa/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vuepress/plugin-pwa",
-  "version": "1.0.0-alpha.27",
+  "version": "1.0.0-alpha.28",
   "description": "pwa plugin for vuepress",
   "main": "index.js",
   "publishConfig": {
@@ -17,7 +17,7 @@
     "generator"
   ],
   "dependencies": {
-    "@vuepress/shared-utils": "^1.0.0-alpha.27",
+    "@vuepress/shared-utils": "^1.0.0-alpha.28",
     "register-service-worker": "^1.5.2",
     "workbox-build": "^3.1.0"
   },
diff --git a/packages/@vuepress/plugin-register-components/package.json b/packages/@vuepress/plugin-register-components/package.json
index 1747424f92..8f0b6d49e1 100644
--- a/packages/@vuepress/plugin-register-components/package.json
+++ b/packages/@vuepress/plugin-register-components/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vuepress/plugin-register-components",
-  "version": "1.0.0-alpha.27",
+  "version": "1.0.0-alpha.28",
   "description": "register-global-components plugin for vuepress",
   "main": "index.js",
   "publishConfig": {
@@ -23,6 +23,6 @@
   },
   "homepage": "https://github.com/vuejs/vuepress/packages/@vuepress/plugin-register-components#readme",
   "dependencies": {
-    "@vuepress/shared-utils": "^1.0.0-alpha.27"
+    "@vuepress/shared-utils": "^1.0.0-alpha.28"
   }
 }
diff --git a/packages/@vuepress/plugin-search/package.json b/packages/@vuepress/plugin-search/package.json
index e193251f10..729d2ae83b 100644
--- a/packages/@vuepress/plugin-search/package.json
+++ b/packages/@vuepress/plugin-search/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vuepress/plugin-search",
-  "version": "1.0.0-alpha.27",
+  "version": "1.0.0-alpha.28",
   "description": "search plugin for vuepress",
   "main": "index.js",
   "publishConfig": {
diff --git a/packages/@vuepress/shared-utils/package.json b/packages/@vuepress/shared-utils/package.json
index 48ba3cfdf8..0a8b23de66 100644
--- a/packages/@vuepress/shared-utils/package.json
+++ b/packages/@vuepress/shared-utils/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vuepress/shared-utils",
-  "version": "1.0.0-alpha.27",
+  "version": "1.0.0-alpha.28",
   "description": "shared-utils for vuepress",
   "main": "lib/index.js",
   "types": "types/index.d.ts",
diff --git a/packages/@vuepress/test-utils/package.json b/packages/@vuepress/test-utils/package.json
index c15af5c48a..ed30379f66 100644
--- a/packages/@vuepress/test-utils/package.json
+++ b/packages/@vuepress/test-utils/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vuepress/test-utils",
-  "version": "1.0.0-alpha.27",
+  "version": "1.0.0-alpha.28",
   "description": "test-utils for vuepress",
   "publishConfig": {
     "access": "public"
@@ -18,17 +18,17 @@
   "dependencies": {
     "@babel/core": "^7.0.0",
     "@babel/preset-env": "^7.0.0",
+    "@types/jest": "^23.3.10",
     "@vue/test-utils": "^1.0.0-beta.16",
-    "@vuepress/core": "^1.0.0-alpha.27",
-    "@vuepress/shared-utils": "^1.0.0-alpha.27",
+    "@vuepress/core": "^1.0.0-alpha.28",
+    "@vuepress/shared-utils": "^1.0.0-alpha.28",
     "babel-core": "^7.0.0-0",
     "babel-jest": "^23.4.0",
     "execa": "^0.10.0",
     "jest": "^23.4.0",
     "jest-serializer-vue": "^1.0.0",
-    "vue-jest": "^2.6.0",
     "ts-jest": "^23.10.5",
-    "@types/jest": "^23.3.10"
+    "vue-jest": "^2.6.0"
   },
   "author": "ULIVZ <chl814@foxmail.com>",
   "license": "MIT",
diff --git a/packages/@vuepress/theme-blog/package.json b/packages/@vuepress/theme-blog/package.json
index a5ada62820..79ad748dc4 100644
--- a/packages/@vuepress/theme-blog/package.json
+++ b/packages/@vuepress/theme-blog/package.json
@@ -1,7 +1,7 @@
 {
   "private": true,
   "name": "@vuepress/theme-blog",
-  "version": "1.0.0-alpha.27",
+  "version": "1.0.0-alpha.28",
   "description": "theme-blog for vuepress",
   "main": "index.js",
   "publishConfig": {
@@ -18,10 +18,10 @@
     "generator"
   ],
   "dependencies": {
-    "@vuepress/plugin-blog": "^1.0.0-alpha.27",
-    "@vuepress/plugin-medium-zoom": "^1.0.0-alpha.27",
-    "@vuepress/plugin-pagination": "^1.0.0-alpha.27",
-    "@vuepress/plugin-search": "^1.0.0-alpha.27"
+    "@vuepress/plugin-blog": "^1.0.0-alpha.28",
+    "@vuepress/plugin-medium-zoom": "^1.0.0-alpha.28",
+    "@vuepress/plugin-pagination": "^1.0.0-alpha.28",
+    "@vuepress/plugin-search": "^1.0.0-alpha.28"
   },
   "author": "ULIVZ <chl814@foxmail.com>",
   "license": "MIT",
diff --git a/packages/@vuepress/theme-default/package.json b/packages/@vuepress/theme-default/package.json
index 114c894871..99748d9a13 100644
--- a/packages/@vuepress/theme-default/package.json
+++ b/packages/@vuepress/theme-default/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vuepress/theme-default",
-  "version": "1.0.0-alpha.27",
+  "version": "1.0.0-alpha.28",
   "description": "Default theme for VuePress",
   "main": "index.js",
   "publishConfig": {
@@ -29,8 +29,8 @@
   },
   "homepage": "https://github.com/vuejs/vuepress/packages/@vuepress/theme-default#readme",
   "dependencies": {
-    "@vuepress/plugin-active-header-links": "^1.0.0-alpha.27",
-    "@vuepress/plugin-search": "^1.0.0-alpha.27",
+    "@vuepress/plugin-active-header-links": "^1.0.0-alpha.28",
+    "@vuepress/plugin-search": "^1.0.0-alpha.28",
     "docsearch.js": "^2.5.2",
     "nprogress": "^0.2.0",
     "stylus": "^0.54.5",
diff --git a/packages/@vuepress/theme-vue/package.json b/packages/@vuepress/theme-vue/package.json
index a4aad073f5..cf2202531b 100644
--- a/packages/@vuepress/theme-vue/package.json
+++ b/packages/@vuepress/theme-vue/package.json
@@ -1,7 +1,7 @@
 {
   "private": true,
   "name": "@vuepress/theme-vue",
-  "version": "1.0.0-alpha.27",
+  "version": "1.0.0-alpha.28",
   "description": "VuePress theme for official Vue projects",
   "main": "index.js",
   "publishConfig": {
@@ -30,6 +30,6 @@
   },
   "homepage": "https://github.com/vuejs/vuepress/packages/@vuepress/theme-vue#readme",
   "dependencies": {
-    "@vuepress/theme-default": "^1.0.0-alpha.27"
+    "@vuepress/theme-default": "^1.0.0-alpha.28"
   }
 }
diff --git a/packages/blog/package.json b/packages/blog/package.json
index 9270ba129e..b079af736b 100644
--- a/packages/blog/package.json
+++ b/packages/blog/package.json
@@ -2,13 +2,13 @@
   "private": true,
   "name": "blog",
   "description": "blog of VuePress",
-  "version": "1.0.0-alpha.27",
+  "version": "1.0.0-alpha.28",
   "scripts": {
     "dev": "vuepress dev source --temp .temp",
     "build": "vuepress build source --temp .temp"
   },
   "dependencies": {
-    "@vuepress/theme-blog": "^1.0.0-alpha.27",
-    "vuepress": "^1.0.0-alpha.27"
+    "@vuepress/theme-blog": "^1.0.0-alpha.28",
+    "vuepress": "^1.0.0-alpha.28"
   }
 }
diff --git a/packages/docs/package.json b/packages/docs/package.json
index eadfedde84..4565c36e48 100644
--- a/packages/docs/package.json
+++ b/packages/docs/package.json
@@ -1,6 +1,6 @@
 {
   "private": true,
-  "version": "1.0.0-alpha.27",
+  "version": "1.0.0-alpha.28",
   "name": "docs",
   "description": "docs of VuePress",
   "scripts": {
@@ -24,14 +24,14 @@
   },
   "homepage": "https://github.com/vuejs/vuepress#readme",
   "devDependencies": {
-    "@vuepress/plugin-back-to-top": "^1.0.0-alpha.27",
-    "@vuepress/plugin-google-analytics": "^1.0.0-alpha.27",
-    "@vuepress/plugin-i18n-ui": "^1.0.0-alpha.27",
-    "@vuepress/plugin-medium-zoom": "^1.0.0-alpha.27",
-    "@vuepress/plugin-notification": "^1.0.0-alpha.27",
-    "@vuepress/plugin-pwa": "^1.0.0-alpha.27",
-    "@vuepress/theme-vue": "^1.0.0-alpha.27",
-    "vuepress": "^1.0.0-alpha.27",
+    "@vuepress/plugin-back-to-top": "^1.0.0-alpha.28",
+    "@vuepress/plugin-google-analytics": "^1.0.0-alpha.28",
+    "@vuepress/plugin-i18n-ui": "^1.0.0-alpha.28",
+    "@vuepress/plugin-medium-zoom": "^1.0.0-alpha.28",
+    "@vuepress/plugin-notification": "^1.0.0-alpha.28",
+    "@vuepress/plugin-pwa": "^1.0.0-alpha.28",
+    "@vuepress/theme-vue": "^1.0.0-alpha.28",
+    "vuepress": "^1.0.0-alpha.28",
     "vuepress-plugin-flowchart": "^1.4.2"
   }
 }
diff --git a/packages/vuepress/package.json b/packages/vuepress/package.json
index 579a262cb0..c6433b174e 100644
--- a/packages/vuepress/package.json
+++ b/packages/vuepress/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vuepress",
-  "version": "1.0.0-alpha.27",
+  "version": "1.0.0-alpha.28",
   "description": "Minimalistic doc generator with Vue component based layout system",
   "main": "vuepress.js",
   "repository": {
@@ -28,8 +28,8 @@
   },
   "homepage": "https://github.com/vuejs/vuepress#readme",
   "dependencies": {
-    "@vuepress/core": "^1.0.0-alpha.24",
-    "@vuepress/theme-default": "^1.0.0-alpha.24"
+    "@vuepress/core": "^1.0.0-alpha.28",
+    "@vuepress/theme-default": "^1.0.0-alpha.28"
   },
   "engines": {
     "node": ">=8"