diff --git a/package.json b/package.json
index 2cd66e1e..d288f60c 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "nerv-build",
   "private": true,
-  "version": "0.3.0-alpha.0",
+  "version": "1.0.0",
   "workspaces": [
     "packages/*"
   ],
@@ -21,7 +21,8 @@
     "test:coverage": "jest --coverage",
     "test:karma": "karma start karma.conf.js --single-run",
     "test:karma:watch": "npm run test:karma -- no-single-run",
-    "build": "npm run clean && lerna exec -- rollup -c && node afterbuild.js",
+    "build": "npm run clean && lerna exec -- rollup -c && npm run build:typing && node afterbuild.js && npm run size",
+    "build:typing": "rimraf lib && tsc && lerna exec -- node ../../typing.js",
     "size": "gzip-size ./packages/nerv/dist/nerv.min.js",
     "build:esm": "lerna exec -- rollup -c --environment TARGET:esm",
     "build:umd": "lerna exec -- rollup -c --environment TARGET:umd",
@@ -65,6 +66,7 @@
     "babel-preset-es3": "^1.0.1",
     "babel-preset-stage-0": "^6.22.0",
     "coveralls": "^2.13.1",
+    "dts-bundle": "^0.7.3",
     "es3ify-webpack-plugin": "^0.0.1",
     "es5-polyfill": "0.0.5",
     "es6-promise": "^4.1.1",
diff --git a/packages/nerv-devtools/package.json b/packages/nerv-devtools/package.json
index 018b9516..c31a64d6 100644
--- a/packages/nerv-devtools/package.json
+++ b/packages/nerv-devtools/package.json
@@ -21,6 +21,8 @@
   },
   "homepage": "https://github.com/NervJS/nerv.git",
   "dependencies": {
-    "nervjs": "1.0.0"
+    "nervjs": "1.0.0",
+    "nerv-shared": "1.0.0",
+    "nerv-utils": "1.0.0"
   }
 }
diff --git a/packages/nerv-devtools/rollup.config.js b/packages/nerv-devtools/rollup.config.js
index 95c3ee0d..39b0864c 100644
--- a/packages/nerv-devtools/rollup.config.js
+++ b/packages/nerv-devtools/rollup.config.js
@@ -1,8 +1,10 @@
 const typescript = require('rollup-plugin-typescript2')
+const alias = require('rollup-plugin-alias')
 const { join } = require('path')
 function resolver (path) {
   return join(__dirname, path)
 }
+const cwd = process.cwd()
 module.exports = {
   input: resolver('src/index.ts'),
   output: [
@@ -22,6 +24,10 @@ module.exports = {
     nervjs: 'Nerv'
   },
   plugins: [
+    alias({
+      'nerv-shared': join(cwd, '../nerv-shared/dist/index'),
+      'nerv-utils': join(cwd, '../nerv-utils/dist/index')
+    }),
     typescript({
       typescript: require('typescript')
     })
diff --git a/packages/nerv-devtools/src/devtools.ts b/packages/nerv-devtools/src/devtools.ts
index d065b3f2..516e12e5 100644
--- a/packages/nerv-devtools/src/devtools.ts
+++ b/packages/nerv-devtools/src/devtools.ts
@@ -1,7 +1,8 @@
 // tslint:disable-next-line:no-var-requires
 import { options } from 'nervjs'
 import { isComposite, isWidget, isVText, isValidElement } from 'nerv-shared'
-const isArray = Array.isArray
+import { isArray } from 'nerv-utils'
+
 /**
  * Return a ReactElement-compatible object for the current state of a Nerv
  * component.
diff --git a/packages/nerv/src/index.ts b/packages/nerv/src/index.ts
index e8ebe22e..a4473a12 100644
--- a/packages/nerv/src/index.ts
+++ b/packages/nerv/src/index.ts
@@ -35,4 +35,4 @@ export default {
   findDOMNode,
   isValidElement,
   unmountComponentAtNode
-}
+} as any
diff --git a/packages/nerv/src/options.ts b/packages/nerv/src/options.ts
index b709862c..8d8b136a 100644
--- a/packages/nerv/src/options.ts
+++ b/packages/nerv/src/options.ts
@@ -1,6 +1,6 @@
 import { noop, CompositeComponent, StatelessComponent } from 'nerv-shared'
 
-type optionsHook = (vnode: CompositeComponent | StatelessComponent) => void
+export type optionsHook = (vnode: CompositeComponent | StatelessComponent) => void
 
 const options: {
   afterMount: optionsHook
diff --git a/packages/nerv/src/vdom/h.ts b/packages/nerv/src/vdom/h.ts
index 8cba7192..aa1f8667 100644
--- a/packages/nerv/src/vdom/h.ts
+++ b/packages/nerv/src/vdom/h.ts
@@ -5,7 +5,8 @@ import {
   VirtualChildren,
   VirtualNode,
   isValidElement,
-  EMPTY_CHILDREN
+  EMPTY_CHILDREN,
+  VNode
 } from 'nerv-shared'
 import { isString, isArray, isNumber } from 'nerv-utils'
 
@@ -33,7 +34,7 @@ function h (type: string, props: Props, children?: VirtualChildren) {
     props.namespace,
     props.owner,
     props.ref
-  )
+  ) as VNode
 }
 
 function addChildren (
diff --git a/tsconfig.json b/tsconfig.json
index ed628fcc..a5ff68b1 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -12,7 +12,7 @@
     "noUnusedLocals": true,
     "strictNullChecks": true,
     "sourceMap": true,
-    "declaration": false,
+    "declaration": true,
     "baseUrl": ".",
     "paths": {
       "nervjs": ["packages/nerv/src"],
diff --git a/typing.js b/typing.js
new file mode 100644
index 00000000..391eac37
--- /dev/null
+++ b/typing.js
@@ -0,0 +1,21 @@
+const dts = require('dts-bundle')
+const { join } = require('path')
+
+const cwd = process.cwd()
+const pkgJSON = require(join(cwd, 'package.json'))
+
+if (pkgJSON.name === 'nerv-redux') {
+  return
+}
+
+try {
+  const name = pkgJSON.name === 'nervjs' ? 'nerv' : pkgJSON.name
+  dts.bundle({
+    main: join(__dirname, 'lib', 'packages', name, 'src/index.d.ts'),
+    name: pkgJSON.name,
+    out: join(cwd, 'dist/index.d.ts')
+  })
+  console.log(`${pkgJSON.name} in typings is DONE`)
+} catch (e) {
+  throw Error(e)
+}
diff --git a/yarn.lock b/yarn.lock
index 17b3628a..dca911c7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,14 +2,37 @@
 # yarn lockfile v1
 
 
+"@types/detect-indent@0.1.30":
+  version "0.1.30"
+  resolved "https://registry.npmjs.org/@types/detect-indent/-/detect-indent-0.1.30.tgz#dc682bb412b4e65ba098e70edad73b4833fb910d"
+
+"@types/glob@5.0.30":
+  version "5.0.30"
+  resolved "https://registry.npmjs.org/@types/glob/-/glob-5.0.30.tgz#1026409c5625a8689074602808d082b2867b8a51"
+  dependencies:
+    "@types/minimatch" "*"
+    "@types/node" "*"
+
 "@types/jasmine@^2.6.0":
   version "2.6.0"
   resolved "https://registry.npmjs.org/@types/jasmine/-/jasmine-2.6.0.tgz#997b41a27752b4850af2683bc4a8d8222c25bd02"
 
-"@types/node@^8.0.26":
+"@types/minimatch@*":
+  version "3.0.2"
+  resolved "https://registry.npmjs.org/@types/minimatch/-/minimatch-3.0.2.tgz#09c06877e478a5d5f32ce5017c2eb2b33006f6f5"
+
+"@types/mkdirp@0.3.29":
+  version "0.3.29"
+  resolved "https://registry.npmjs.org/@types/mkdirp/-/mkdirp-0.3.29.tgz#7f2ad7ec55f914482fc9b1ec4bb1ae6028d46066"
+
+"@types/node@*", "@types/node@^8.0.26":
   version "8.0.26"
   resolved "https://registry.npmjs.org/@types/node/-/node-8.0.26.tgz#4d58be925306fd22b1141085535a0268b8beb189"
 
+"@types/node@8.0.0":
+  version "8.0.0"
+  resolved "https://registry.npmjs.org/@types/node/-/node-8.0.0.tgz#acaa89247afddc7967e9902fd11761dadea1a555"
+
 "@types/sinon@^2.3.3":
   version "2.3.3"
   resolved "https://registry.npmjs.org/@types/sinon/-/sinon-2.3.3.tgz#1f20b96f954b4997a09c1c0a20264aaba6b00147"
@@ -2077,6 +2100,13 @@ des.js@^1.0.0:
     inherits "^2.0.1"
     minimalistic-assert "^1.0.0"
 
+detect-indent@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.npmjs.org/detect-indent/-/detect-indent-0.2.0.tgz#042914498979ac2d9f3c73e4ff3e6877d3bc92b6"
+  dependencies:
+    get-stdin "^0.1.0"
+    minimist "^0.1.0"
+
 detect-indent@^4.0.0:
   version "4.0.0"
   resolved "https://registry.npmjs.org/detect-indent/-/detect-indent-4.0.0.tgz#f76d064352cdf43a1cb6ce619c4ee3a9475de208"
@@ -2147,6 +2177,19 @@ dot-prop@^3.0.0:
   dependencies:
     is-obj "^1.0.0"
 
+dts-bundle@^0.7.3:
+  version "0.7.3"
+  resolved "https://registry.npmjs.org/dts-bundle/-/dts-bundle-0.7.3.tgz#372b7bb69c820782e6382f400739a69dced3d59a"
+  dependencies:
+    "@types/detect-indent" "0.1.30"
+    "@types/glob" "5.0.30"
+    "@types/mkdirp" "0.3.29"
+    "@types/node" "8.0.0"
+    commander "^2.9.0"
+    detect-indent "^0.2.0"
+    glob "^6.0.4"
+    mkdirp "^0.5.0"
+
 duplexer2@0.0.2:
   version "0.0.2"
   resolved "https://registry.npmjs.org/duplexer2/-/duplexer2-0.0.2.tgz#c614dcf67e2fb14995a91711e5a617e8a60a31db"
@@ -2922,6 +2965,10 @@ get-port@^3.2.0:
   version "3.2.0"
   resolved "https://registry.npmjs.org/get-port/-/get-port-3.2.0.tgz#dd7ce7de187c06c8bf353796ac71e099f0980ebc"
 
+get-stdin@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.npmjs.org/get-stdin/-/get-stdin-0.1.0.tgz#5998af24aafc802d15c82c685657eeb8b10d4a91"
+
 get-stdin@^4.0.1:
   version "4.0.1"
   resolved "https://registry.npmjs.org/get-stdin/-/get-stdin-4.0.1.tgz#b968c6b0a04384324902e8bf1a5df32579a450fe"
@@ -2996,6 +3043,16 @@ glob@^5.0.15:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
+glob@^6.0.4:
+  version "6.0.4"
+  resolved "https://registry.npmjs.org/glob/-/glob-6.0.4.tgz#0f08860f6a155127b2fadd4f9ce24b1aab6e4d22"
+  dependencies:
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "2 || 3"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
 glob@^7.0.0, glob@^7.0.3, glob@^7.0.5, glob@^7.1.1, glob@^7.1.2:
   version "7.1.2"
   resolved "https://registry.npmjs.org/glob/-/glob-7.1.2.tgz#c19c9df9a028702d678612384a6552404c636d15"