diff --git a/lerna.json b/lerna.json
index a2c61ac9920103baf61fbfa080a9bdbcac691bec..98f0cdd228d43cfffdcccfde4156abcc0ef2959c 100644
--- a/lerna.json
+++ b/lerna.json
@@ -2,5 +2,5 @@
   "lerna": "2.5.1",
   "npmClient": "yarn",
   "useWorkspaces": true,
-  "version": "1.0.0-alpha.28"
+  "version": "1.0.0-alpha.29"
 }
diff --git a/packages/@vuepress/core/package.json b/packages/@vuepress/core/package.json
index da19769a55f5551faa1edcc2a3c9f86c39e3faed..995a4f9db3578cbe6d44a5739d0e95fcb1d4c224 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.28",
+  "version": "1.0.0-alpha.29",
   "description": "Minimalistic doc generator with Vue component based layout system",
   "main": "lib/index.js",
   "repository": {
@@ -30,11 +30,11 @@
   "dependencies": {
     "@babel/core": "^7.0.0",
     "@vue/babel-preset-app": "^3.1.1",
-    "@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",
+    "@vuepress/markdown": "^1.0.0-alpha.29",
+    "@vuepress/markdown-loader": "^1.0.0-alpha.29",
+    "@vuepress/plugin-last-updated": "^1.0.0-alpha.29",
+    "@vuepress/plugin-register-components": "^1.0.0-alpha.29",
+    "@vuepress/shared-utils": "^1.0.0-alpha.29",
     "autoprefixer": "^8.2.0",
     "babel-loader": "^8.0.4",
     "cac": "^6.3.9",
diff --git a/packages/@vuepress/markdown-loader/package.json b/packages/@vuepress/markdown-loader/package.json
index 676edef9c1e498a5223dd98aa7240e5c78990cab..d12f50437e7b3aee48fae0839914dfeaae5da499 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.28",
+  "version": "1.0.0-alpha.29",
   "description": "markdown-loader for vuepress",
   "main": "index.js",
   "publishConfig": {
@@ -17,7 +17,7 @@
     "generator"
   ],
   "dependencies": {
-    "@vuepress/markdown": "^1.0.0-alpha.28",
+    "@vuepress/markdown": "^1.0.0-alpha.29",
     "loader-utils": "^1.1.0"
   },
   "author": "Evan You",
diff --git a/packages/@vuepress/markdown/package.json b/packages/@vuepress/markdown/package.json
index 755c41a77bdcaea10a28d2f2922c06909a4182ea..8751403f4469c4f7c096d73a67108a46f2bea42b 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.28",
+  "version": "1.0.0-alpha.29",
   "description": "markdown for vuepress",
   "main": "index.js",
   "publishConfig": {
@@ -18,7 +18,7 @@
     "markdown"
   ],
   "dependencies": {
-    "@vuepress/shared-utils": "^1.0.0-alpha.28",
+    "@vuepress/shared-utils": "^1.0.0-alpha.29",
     "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 b8b398ed0064b9e97fbc5cc20b846421b8ed59dd..de748eec3500971591eeb873a907037d26e3bddd 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.28",
+  "version": "1.0.0-alpha.29",
   "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 611c4ddd5b81ea60546925a763aba78aea0171bc..d85983573de380f935f57c87d78fe48c0614b5ca 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.28",
+  "version": "1.0.0-alpha.29",
   "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 b9c19552b7a5eef70fd3024d5140d025ff93d948..4249d04d7ecfdbdace0bcc77a43c286e027a594c 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.28",
+  "version": "1.0.0-alpha.29",
   "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 cc35849e910dc11955c6c7313d0f96887061d645..03aac4ca5be6df1a21bdfdaac2bf1c25931a488e 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.28",
+  "version": "1.0.0-alpha.29",
   "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 21dee261175f2a243822330fe5e65dc252e90abe..5f607f9a920dcec18d4c9d394d98d3b500ae7cd6 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.28",
+  "version": "1.0.0-alpha.29",
   "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 606e57411520dd508db6c96b4c2e9e7e9a7f6c3a..1de0c9864f58a4dd94c4938169d65607c070f108 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.28",
+  "version": "1.0.0-alpha.29",
   "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 adc6436ccd6a038a5b305915b815b888b63ea90d..d6f5844390234b6afc0fa87f89c17b0e1800f110 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.28",
+  "version": "1.0.0-alpha.29",
   "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 43a7c1c5ce89efaf26ad044e58f14f563c823281..ab877e9a35fcfff6b170e803c178e52ceb381f4b 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.28",
+  "version": "1.0.0-alpha.29",
   "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 a157bc1cc2723fb3bb1c51b2a7ffcf93d2fe0f98..b9ec97f711fc8c470c8fd961c885571d3d8e13f5 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.28",
+  "version": "1.0.0-alpha.29",
   "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 749a050bc2e9fd48203b26984421e6c44706ed3e..a4431faf6d2e87eaede5482a70e999c966acc958 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.28",
+  "version": "1.0.0-alpha.29",
   "description": "pwa plugin for vuepress",
   "main": "index.js",
   "publishConfig": {
@@ -17,7 +17,7 @@
     "generator"
   ],
   "dependencies": {
-    "@vuepress/shared-utils": "^1.0.0-alpha.28",
+    "@vuepress/shared-utils": "^1.0.0-alpha.29",
     "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 8f0b6d49e1a03e4f9f7eb25260b20f53e7a186ca..418033d32f79d9cec9972b649894841bcc81af1a 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.28",
+  "version": "1.0.0-alpha.29",
   "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.28"
+    "@vuepress/shared-utils": "^1.0.0-alpha.29"
   }
 }
diff --git a/packages/@vuepress/plugin-search/package.json b/packages/@vuepress/plugin-search/package.json
index 729d2ae83bff698a22e4cdfd88bd9a3e2436394e..f316d3a13755c00b482bc57356212fce2b7a2814 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.28",
+  "version": "1.0.0-alpha.29",
   "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 0a8b23de66dd34e9acb02b92c4681268053f8d27..305f1e96051b1b24aa4c0d5fcda14c9dadd2c155 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.28",
+  "version": "1.0.0-alpha.29",
   "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 ed30379f665f1164fd1a8f08f46062dbba96711d..a42d7f446fdd00fccbca40ea94a5f37465fca15e 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.28",
+  "version": "1.0.0-alpha.29",
   "description": "test-utils for vuepress",
   "publishConfig": {
     "access": "public"
@@ -20,8 +20,8 @@
     "@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.28",
-    "@vuepress/shared-utils": "^1.0.0-alpha.28",
+    "@vuepress/core": "^1.0.0-alpha.29",
+    "@vuepress/shared-utils": "^1.0.0-alpha.29",
     "babel-core": "^7.0.0-0",
     "babel-jest": "^23.4.0",
     "execa": "^0.10.0",
diff --git a/packages/@vuepress/theme-blog/package.json b/packages/@vuepress/theme-blog/package.json
index 79ad748dc4e2f679f4bb0c53dc1d0f1477b56469..7b942fc26e6283672528987c98d8919022ca3123 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.28",
+  "version": "1.0.0-alpha.29",
   "description": "theme-blog for vuepress",
   "main": "index.js",
   "publishConfig": {
@@ -18,10 +18,10 @@
     "generator"
   ],
   "dependencies": {
-    "@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"
+    "@vuepress/plugin-blog": "^1.0.0-alpha.29",
+    "@vuepress/plugin-medium-zoom": "^1.0.0-alpha.29",
+    "@vuepress/plugin-pagination": "^1.0.0-alpha.29",
+    "@vuepress/plugin-search": "^1.0.0-alpha.29"
   },
   "author": "ULIVZ <chl814@foxmail.com>",
   "license": "MIT",
diff --git a/packages/@vuepress/theme-default/package.json b/packages/@vuepress/theme-default/package.json
index 99748d9a13439f38584a63e587c8e217462b3792..2031b76180b1fbe208567afff3c3365f2dc935f1 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.28",
+  "version": "1.0.0-alpha.29",
   "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.28",
-    "@vuepress/plugin-search": "^1.0.0-alpha.28",
+    "@vuepress/plugin-active-header-links": "^1.0.0-alpha.29",
+    "@vuepress/plugin-search": "^1.0.0-alpha.29",
     "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 cf2202531b91ec0d80e89ecc2de5e0c06403bf72..7719a63283eb2320e34b0b0e7734691ac4a7de5d 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.28",
+  "version": "1.0.0-alpha.29",
   "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.28"
+    "@vuepress/theme-default": "^1.0.0-alpha.29"
   }
 }
diff --git a/packages/blog/package.json b/packages/blog/package.json
index b079af736b9a4d39a926bb3a310ca91f70a4101a..b10620c3fbe37b28e5b36541f63df3701f9bdc9f 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.28",
+  "version": "1.0.0-alpha.29",
   "scripts": {
     "dev": "vuepress dev source --temp .temp",
     "build": "vuepress build source --temp .temp"
   },
   "dependencies": {
-    "@vuepress/theme-blog": "^1.0.0-alpha.28",
-    "vuepress": "^1.0.0-alpha.28"
+    "@vuepress/theme-blog": "^1.0.0-alpha.29",
+    "vuepress": "^1.0.0-alpha.29"
   }
 }
diff --git a/packages/docs/package.json b/packages/docs/package.json
index 4565c36e4824a73d4f3db9c5327f87efc8412b8c..b48600221ca538abad53ee897f490997d8d9d01e 100644
--- a/packages/docs/package.json
+++ b/packages/docs/package.json
@@ -1,6 +1,6 @@
 {
   "private": true,
-  "version": "1.0.0-alpha.28",
+  "version": "1.0.0-alpha.29",
   "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.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-back-to-top": "^1.0.0-alpha.29",
+    "@vuepress/plugin-google-analytics": "^1.0.0-alpha.29",
+    "@vuepress/plugin-i18n-ui": "^1.0.0-alpha.29",
+    "@vuepress/plugin-medium-zoom": "^1.0.0-alpha.29",
+    "@vuepress/plugin-notification": "^1.0.0-alpha.29",
+    "@vuepress/plugin-pwa": "^1.0.0-alpha.29",
+    "@vuepress/theme-vue": "^1.0.0-alpha.29",
+    "vuepress": "^1.0.0-alpha.29",
     "vuepress-plugin-flowchart": "^1.4.2"
   }
 }
diff --git a/packages/vuepress/package.json b/packages/vuepress/package.json
index c6433b174e44385754c2eba023c9958a7ef38d0a..3975a534de2c787546125592525ec739d75f51d6 100644
--- a/packages/vuepress/package.json
+++ b/packages/vuepress/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vuepress",
-  "version": "1.0.0-alpha.28",
+  "version": "1.0.0-alpha.29",
   "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.28",
-    "@vuepress/theme-default": "^1.0.0-alpha.28"
+    "@vuepress/core": "^1.0.0-alpha.29",
+    "@vuepress/theme-default": "^1.0.0-alpha.29"
   },
   "engines": {
     "node": ">=8"