diff --git a/.gitignore b/.gitignore
index a54ae7d..db5fc32 100644
--- a/.gitignore
+++ b/.gitignore
@@ -102,3 +102,4 @@ dist
 
 lib
 temp
+*.bak
diff --git a/api-extractor.json b/api-extractor.json
index ca2a31d..9cd6e17 100644
--- a/api-extractor.json
+++ b/api-extractor.json
@@ -2,7 +2,6 @@
   "$schema": "https://developer.microsoft.com/json-schemas/api-extractor/v7/api-extractor.schema.json",
   "mainEntryPointFilePath": "./lib/index.d.ts",
   "bundledPackages": [ ],
-  // 生成 api 报告，生成的还没 .d.ts 看的舒服，关了
   "apiReport": {
     "enabled": false,
     "reportFolder": "./lib/"
diff --git a/gulpfile.ts b/gulpfile.ts
index 04b16e2..2aae401 100644
--- a/gulpfile.ts
+++ b/gulpfile.ts
@@ -29,16 +29,15 @@ const paths = {
   lib: path.join(__dirname, '/lib'),
 }
 
-
 // 删除 lib 文件
-const clearLibFile: TaskFunc = async (cb) => {
+const clearLibFile: TaskFunc = async cb => {
   fse.removeSync(paths.lib)
   log.progress('Deleted lib file')
   cb()
 }
 
 // rollup 打包
-const buildByRollup: TaskFunc = async (cb) => {
+const buildByRollup: TaskFunc = async cb => {
   const inputOptions = {
     input: rollupConfig.input,
     external: rollupConfig.external,
@@ -49,7 +48,7 @@ const buildByRollup: TaskFunc = async (cb) => {
 
   // 写入需要遍历输出配置
   if (Array.isArray(outOptions)) {
-    outOptions.forEach(async (outOption) => {
+    outOptions.forEach(async outOption => {
       await bundle.write(outOption)
     })
     cb()
@@ -58,12 +57,19 @@ const buildByRollup: TaskFunc = async (cb) => {
 }
 
 // api-extractor 整理 .d.ts 文件
-const apiExtractorGenerate: TaskFunc = async (cb) => {
-  const apiExtractorJsonPath: string = path.join(__dirname, './api-extractor.json')
+const apiExtractorGenerate: TaskFunc = async cb => {
+  const apiExtractorJsonPath: string = path.join(
+    __dirname,
+    './api-extractor.json',
+  )
   // 加载并解析 api-extractor.json 文件
-  const extractorConfig: ExtractorConfig = await ExtractorConfig.loadFileAndPrepare(apiExtractorJsonPath)
+  const extractorConfig: ExtractorConfig = await ExtractorConfig.loadFileAndPrepare(
+    apiExtractorJsonPath,
+  )
   // 判断是否存在 index.d.ts 文件，这里必须异步先访问一边，不然后面找不到会报错
-  const isExist: boolean = await fse.pathExists(extractorConfig.mainEntryPointFilePath)
+  const isExist: boolean = await fse.pathExists(
+    extractorConfig.mainEntryPointFilePath,
+  )
 
   if (!isExist) {
     log.error('API Extractor not find index.d.ts')
@@ -71,11 +77,14 @@ const apiExtractorGenerate: TaskFunc = async (cb) => {
   }
 
   // 调用 API
-  const extractorResult: ExtractorResult = await Extractor.invoke(extractorConfig, {
-    localBuild: true,
-    // 在输出中显示信息
-    showVerboseMessages: true,
-  })
+  const extractorResult: ExtractorResult = await Extractor.invoke(
+    extractorConfig,
+    {
+      localBuild: true,
+      // 在输出中显示信息
+      showVerboseMessages: true,
+    },
+  )
 
   if (extractorResult.succeeded) {
     // 删除多余的 .d.ts 文件
@@ -88,12 +97,14 @@ const apiExtractorGenerate: TaskFunc = async (cb) => {
     log.progress('API Extractor completed successfully')
     cb()
   } else {
-    log.error(`API Extractor completed with ${extractorResult.errorCount} errors`
-      + ` and ${extractorResult.warningCount} warnings`)
+    log.error(
+      `API Extractor completed with ${extractorResult.errorCount} errors` +
+        ` and ${extractorResult.warningCount} warnings`,
+    )
   }
 }
 
-const complete: TaskFunc = (cb) => {
+const complete: TaskFunc = cb => {
   log.progress('---- end ----')
   cb()
 }
@@ -103,10 +114,15 @@ const complete: TaskFunc = (cb) => {
 // 2. rollup 打包
 // 3. api-extractor 生成统一的声明文件, 删除多余的声明文件
 // 4. 完成
-export const build = series(clearLibFile, buildByRollup, apiExtractorGenerate, complete)
+export const build = series(
+  clearLibFile,
+  buildByRollup,
+  apiExtractorGenerate,
+  complete,
+)
 
 // 自定义生成 changelog
-export const changelog: TaskFunc = async (cb) => {
+export const changelog: TaskFunc = async cb => {
   const changelogPath: string = path.join(paths.root, 'CHANGELOG.md')
   // 对命令 conventional-changelog -p angular -i CHANGELOG.md -w -r 0
   const changelogPipe = await conventionalChangelog({
@@ -116,7 +132,7 @@ export const changelog: TaskFunc = async (cb) => {
   changelogPipe.setEncoding('utf8')
 
   const resultArray = ['# 工具库更新日志\n\n']
-  changelogPipe.on('data', (chunk) => {
+  changelogPipe.on('data', chunk => {
     // 原来的 commits 路径是进入提交列表
     chunk = chunk.replace(/\/commits\//g, '/commit/')
     resultArray.push(chunk)