diff --git a/lerna.json b/lerna.json
index 4fd2a889..1fa0496e 100644
--- a/lerna.json
+++ b/lerna.json
@@ -2,5 +2,5 @@
   "lerna": "2.5.1",
   "npmClient": "yarn",
   "useWorkspaces": true,
-  "version": "1.0.0-alpha.48"
+  "version": "1.0.0-alpha.49"
 }
diff --git a/packages/@vuepress/core/package.json b/packages/@vuepress/core/package.json
index aac46e05..d4939d32 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.48",
+  "version": "1.0.0-alpha.49",
   "description": "Minimalistic doc generator with Vue component based layout system",
   "main": "lib/index.js",
   "repository": {
diff --git a/packages/@vuepress/markdown-loader/package.json b/packages/@vuepress/markdown-loader/package.json
index 505f2663..c4967860 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.48",
+  "version": "1.0.0-alpha.49",
   "description": "markdown-loader for vuepress",
   "main": "index.js",
   "publishConfig": {
diff --git a/packages/@vuepress/markdown/package.json b/packages/@vuepress/markdown/package.json
index 35a3d09b..54569eb9 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.48",
+  "version": "1.0.0-alpha.49",
   "description": "markdown for vuepress",
   "main": "index.js",
   "publishConfig": {
diff --git a/packages/@vuepress/plugin-active-header-links/package.json b/packages/@vuepress/plugin-active-header-links/package.json
index eea1b863..460aa351 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.48",
+  "version": "1.0.0-alpha.49",
   "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 bf16aab2..53e486c7 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.48",
+  "version": "1.0.0-alpha.49",
   "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 bf437ada..dcc85a75 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.48",
+  "version": "1.0.0-alpha.49",
   "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 485c0ff5..c5e6210b 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.48",
+  "version": "1.0.0-alpha.49",
   "description": "google-analytics 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 27fb768d..e739d75e 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.48",
+  "version": "1.0.0-alpha.49",
   "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 71f43448..e860e7a8 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.48",
+  "version": "1.0.0-alpha.49",
   "description": "medium-zoom plugin for vuepress",
   "main": "index.js",
   "publishConfig": {
diff --git a/packages/@vuepress/plugin-nprogress/package.json b/packages/@vuepress/plugin-nprogress/package.json
index db668845..2595b58c 100644
--- a/packages/@vuepress/plugin-nprogress/package.json
+++ b/packages/@vuepress/plugin-nprogress/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vuepress/plugin-nprogress",
-  "version": "1.0.0-alpha.48",
+  "version": "1.0.0-alpha.49",
   "description": "nprogress plugin for vuepress",
   "main": "index.js",
   "publishConfig": {
diff --git a/packages/@vuepress/plugin-pagination/package.json b/packages/@vuepress/plugin-pagination/package.json
index 2bf54364..fc7c2d60 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.48",
+  "version": "1.0.0-alpha.49",
   "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 c35f701a..77abeaa6 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.48",
+  "version": "1.0.0-alpha.49",
   "description": "pwa plugin for vuepress",
   "main": "index.js",
   "publishConfig": {
@@ -18,7 +18,7 @@
     "generator"
   ],
   "dependencies": {
-    "@vuepress/shared-utils": "^1.0.0-alpha.48",
+    "@vuepress/shared-utils": "^1.0.0-alpha.49",
     "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 83c28afd..a3453623 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.48",
+  "version": "1.0.0-alpha.49",
   "description": "register-global-components plugin for vuepress",
   "main": "index.js",
   "publishConfig": {
@@ -24,6 +24,6 @@
   },
   "homepage": "https://github.com/vuejs/vuepress/packages/@vuepress/plugin-register-components#readme",
   "dependencies": {
-    "@vuepress/shared-utils": "^1.0.0-alpha.48"
+    "@vuepress/shared-utils": "^1.0.0-alpha.49"
   }
 }
diff --git a/packages/@vuepress/plugin-search/package.json b/packages/@vuepress/plugin-search/package.json
index 97bab888..3259f058 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.48",
+  "version": "1.0.0-alpha.49",
   "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 b990589c..3b89c91c 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.48",
+  "version": "1.0.0-alpha.49",
   "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 d4ff3579..16e65e5f 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.48",
+  "version": "1.0.0-alpha.49",
   "description": "test-utils for vuepress",
   "main": "index.js",
   "publishConfig": {
diff --git a/packages/@vuepress/theme-blog/package.json b/packages/@vuepress/theme-blog/package.json
index 76b119e7..392ff356 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.48",
+  "version": "1.0.0-alpha.49",
   "description": "theme-blog for vuepress",
   "main": "index.js",
   "publishConfig": {
@@ -19,10 +19,10 @@
     "generator"
   ],
   "dependencies": {
-    "@vuepress/plugin-blog": "^1.0.0-alpha.48",
-    "@vuepress/plugin-medium-zoom": "^1.0.0-alpha.48",
-    "@vuepress/plugin-pagination": "^1.0.0-alpha.48",
-    "@vuepress/plugin-search": "^1.0.0-alpha.48"
+    "@vuepress/plugin-blog": "^1.0.0-alpha.49",
+    "@vuepress/plugin-medium-zoom": "^1.0.0-alpha.49",
+    "@vuepress/plugin-pagination": "^1.0.0-alpha.49",
+    "@vuepress/plugin-search": "^1.0.0-alpha.49"
   },
   "author": "ULIVZ <chl814@foxmail.com>",
   "license": "MIT",
diff --git a/packages/@vuepress/theme-default/package.json b/packages/@vuepress/theme-default/package.json
index ad7500ae..10d96869 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.48",
+  "version": "1.0.0-alpha.49",
   "description": "Default theme for VuePress",
   "main": "index.js",
   "publishConfig": {
@@ -30,9 +30,9 @@
   },
   "homepage": "https://github.com/vuejs/vuepress/packages/@vuepress/theme-default#readme",
   "dependencies": {
-    "@vuepress/plugin-active-header-links": "^1.0.0-alpha.48",
-    "@vuepress/plugin-nprogress": "^1.0.0-alpha.48",
-    "@vuepress/plugin-search": "^1.0.0-alpha.48",
+    "@vuepress/plugin-active-header-links": "^1.0.0-alpha.49",
+    "@vuepress/plugin-nprogress": "^1.0.0-alpha.49",
+    "@vuepress/plugin-search": "^1.0.0-alpha.49",
     "docsearch.js": "^2.5.2",
     "stylus": "^0.54.5",
     "stylus-loader": "^3.0.2",
diff --git a/packages/@vuepress/theme-vue/package.json b/packages/@vuepress/theme-vue/package.json
index 1e10b7bb..f10eb98d 100644
--- a/packages/@vuepress/theme-vue/package.json
+++ b/packages/@vuepress/theme-vue/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@vuepress/theme-vue",
-  "version": "1.0.0-alpha.48",
+  "version": "1.0.0-alpha.49",
   "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.48"
+    "@vuepress/theme-default": "^1.0.0-alpha.49"
   }
 }
diff --git a/packages/vuepress/package.json b/packages/vuepress/package.json
index 0ac8625f..00a2d2aa 100644
--- a/packages/vuepress/package.json
+++ b/packages/vuepress/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vuepress",
-  "version": "1.0.0-alpha.48",
+  "version": "1.0.0-alpha.49",
   "description": "Minimalistic doc generator with Vue component based layout system",
   "main": "index.js",
   "repository": {