diff --git a/build_scripts/generate-less.js b/build_scripts/generate-less.js
index a60b893d132..ee9fa927e0a 100644
--- a/build_scripts/generate-less.js
+++ b/build_scripts/generate-less.js
@@ -1,6 +1,5 @@
-const fs = require('fs');
+const fs = require('fs-extra');
 const path = require('path');
-const wrench = require('wrench');
 const less = require('less');
 const LessPluginCleanCSS = require('less-plugin-clean-css');
 
@@ -29,11 +28,11 @@ let componentsLessContent = '';
 targetFolder.forEach(dir => {
     if (fs.existsSync(`${sourcePath}/${dir}/style/index.less`)) {
       componentsLessContent += `@import "./${path.join(dir, 'style', 'index.less')}";\n`
-      wrench.copyDirSyncRecursive(`${sourcePath}/${dir}/style`, `${targetPath}/${dir}/style`);
+      fs.copySync(`${sourcePath}/${dir}/style`, `${targetPath}/${dir}/style`);
     }
   }
 )
-wrench.copyDirSyncRecursive(path.resolve(sourcePath, 'style'), path.resolve(targetPath, 'style'));
+fs.copySync(path.resolve(sourcePath, 'style'), path.resolve(targetPath, 'style'));
 fs.writeFileSync(`${targetPath}/components.less`, componentsLessContent);
 fs.writeFileSync(`${targetPath}/ng-zorro-antd.less`, fs.readFileSync(`${sourcePath}/ng-zorro-antd.less`));
 
diff --git a/package.json b/package.json
index b224c5b388e..ec68e124cfa 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "schematic:tsc": "tsc -p schematics/tsconfig.json",
     "schematic:build": "node ./schematics_script/set-theme.js && node ./schematics_script/set-version.js && npm run schematic:tsc && node schematics_script/copy-resources",
     "ng": "ng",
-    "start": "ng serve -p 0",
+    "start": "ng serve -port 0",
     "build": "node site_scripts/generate-site init && ng build",
     "doc": "npm run site:init && node --max_old_space_size=5120 ./node_modules/@angular/cli/bin/ng build --prod --build-optimizer",
     "helper": "bash ./release-helper.sh",
@@ -52,44 +52,48 @@
     "date-fns": "^1.29.0"
   },
   "devDependencies": {
-    "@angular-devkit/build-angular": "~0.6.0",
+    "@angular-devkit/build-angular": "~0.8.0",
+    "@angular/cli": "~6.2.1",
+    "@angular/compiler-cli": "^6.1.0",
+    "@angular/language-service": "^6.1.0",
+    "@types/jasmine": "~2.8.8",
+    "@types/jasminewd2": "~2.0.3",
+    "@types/node": "~8.9.4",
+    "codelyzer": "~4.3.0",
+    "jasmine-core": "~2.99.1",
+    "jasmine-spec-reporter": "~4.2.1",
+    "karma": "~3.0.0",
+    "karma-chrome-launcher": "~2.2.0",
+    "karma-coverage-istanbul-reporter": "~2.0.1",
+    "karma-jasmine": "~1.1.2",
+    "karma-jasmine-html-reporter": "^0.2.2",
+    "protractor": "~5.4.0",
+    "ts-node": "~7.0.0",
+    "tslint": "~5.11.0",
+    "typescript": "~2.9.2",
     "@angular-devkit/core": "^0.6.0",
     "@angular-devkit/schematics": "^0.6.0",
     "@angular/animations": "^6.0.0",
-    "@angular/cli": "~6.0.0",
     "@angular/common": "^6.0.0",
     "@angular/compiler": "^6.0.0",
-    "@angular/compiler-cli": "^6.0.0",
     "@angular/core": "^6.0.0",
     "@angular/forms": "^6.0.0",
     "@angular/http": "^6.0.0",
-    "@angular/language-service": "^6.0.0",
     "@angular/platform-browser": "^6.0.0",
     "@angular/platform-browser-dynamic": "^6.0.0",
     "@angular/router": "^6.0.0",
     "@schematics/angular": "^0.6.0",
     "@stackblitz/sdk": "^1.1.1",
     "@types/hammerjs": "^2.0.35",
-    "@types/jasmine": "~2.8.6",
-    "@types/jasminewd2": "~2.0.3",
-    "@types/node": "~8.9.4",
     "antd-theme-generator": "^1.0.7",
     "chalk": "^2.4.1",
     "classlist.js": "^1.1.20150312",
     "codecov": "^3.0.0",
-    "codelyzer": "~4.2.1",
     "conventional-changelog-cli": "^2.0.1",
     "core-js": "^2.5.4",
     "fs-extra": "^6.0.1",
     "hammerjs": "^2.0.8",
-    "jasmine-core": "~2.99.1",
-    "jasmine-spec-reporter": "~4.2.1",
-    "karma": "~1.7.1",
-    "karma-chrome-launcher": "~2.2.0",
     "karma-cli": "~1.0.1",
-    "karma-coverage-istanbul-reporter": "~1.4.2",
-    "karma-jasmine": "~1.1.1",
-    "karma-jasmine-html-reporter": "^0.2.2",
     "less": "^2.7.3",
     "less-plugin-clean-css": "^1.5.1",
     "marked": "^0.3.6",
@@ -98,7 +102,6 @@
     "node-prismjs": "^0.1.1",
     "parse5": "^4.0.0",
     "prismjs": "^1.10.0",
-    "protractor": "~5.3.0",
     "readline-sync": "^1.4.9",
     "remark": "^8.0.0",
     "rollup": "^0.49.2",
@@ -107,11 +110,7 @@
     "rollup-plugin-sourcemaps": "^0.4.2",
     "rollup-plugin-uglify": "^2.0.1",
     "rxjs": "^6.0.0",
-    "ts-node": "~5.0.1",
     "tslib": "^1.9.0",
-    "tslint": "~5.9.1",
-    "typescript": "~2.7.2",
-    "wrench": "^1.5.9",
     "yaml-front-matter": "^3.4.0",
     "zone.js": "^0.8.26"
   },
diff --git a/site_scripts/generate-site.js b/site_scripts/generate-site.js
index 9d20a613c81..7c291754973 100644
--- a/site_scripts/generate-site.js
+++ b/site_scripts/generate-site.js
@@ -1,6 +1,5 @@
-const fs = require('fs');
+const fs = require('fs-extra');
 const path = require('path');
-const wrench = require('wrench');
 const parseDocMdUtil = require('./utils/parse-doc-md');
 const parseDemoMdUtil = require('./utils/parse-demo-md');
 const nameWithoutSuffixUtil = require('./utils/name-without-suffix');
@@ -15,13 +14,13 @@ const isSyncSpecific = target && (target !== 'init');
 const showCasePath = path.resolve(__dirname, '../site');
 
 if (!target) {
-  wrench.rmdirSyncRecursive(`${showCasePath}/src`, true);
-  wrench.copyDirSyncRecursive(path.resolve(__dirname, '_site/src'), `${showCasePath}/src`);
+  fs.removeSync(`${showCasePath}/src`);
+  fs.copySync(path.resolve(__dirname, '_site/src'), `${showCasePath}/src`);
 } else if (target === 'init') {
-  wrench.rmdirSyncRecursive(`${showCasePath}`, true);
-  wrench.copyDirSyncRecursive(path.resolve(__dirname, '_site'), `${showCasePath}`);
+  fs.removeSync(`${showCasePath}`);
+  fs.copySync(path.resolve(__dirname, '_site'), `${showCasePath}`);
 } else {
-  wrench.rmdirSyncRecursive(`${showCasePath}/src/app/${target}`, true);
+  fs.removeSync(`${showCasePath}/src/app/${target}`);
 }
 const showCaseTargetPath = `${showCasePath}/src/app/`;
 // 读取components文件夹