diff --git a/.gitignore b/.gitignore
index cb5417d..6ea8f0d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,8 +9,9 @@ npm-debug.log.*
 thumbs.db
 !.gitkeep
 .vscode/yuki.code-workspace
-config/games.json
-config/gui.json
-config/texts.json
+config/*.json
+config/games.yaml
+config/gui.yaml
+config/texts.yaml
 lib/dict/lingoes
 package-lock.json
\ No newline at end of file
diff --git a/config/config.json b/config/config.json
deleted file mode 100644
index 2f7df30..0000000
--- a/config/config.json
+++ /dev/null
@@ -1,98 +0,0 @@
-{
-  "localeChangers": {
-    "alphaROMdiE": {
-      "enable": false,
-      "exec": "C:\\Resources\\Games\\AlphaROMdiE.exe %GAME_PATH%",
-      "name": "AlphaROMdiE"
-    },
-    "localeEmulator": {
-      "enable": true,
-      "exec": "C:\\LocaleEmulator\\LEProc.exe %GAME_PATH%",
-      "name": "Locale Emulator"
-    },
-    "noChanger": {
-      "enable": false,
-      "exec": "%GAME_PATH%",
-      "name": "No Changer"
-    },
-    "ntleas": {
-      "enable": false,
-      "exec": "C:\\ntleas046_x64\\x86\\ntleas.exe %GAME_PATH%",
-      "name": "Ntleas"
-    }
-  },
-  "onlineApis": [
-    {
-      "enable": true,
-      "external": true,
-      "jsFile": "config\\qqApi.js",
-      "name": "腾讯"
-    },
-    {
-      "enable": false,
-      "external": true,
-      "jsFile": "config\\tencentApi.js",
-      "name": "腾讯云"
-    },
-    {
-      "enable": true,
-      "external": true,
-      "jsFile": "config\\youdaoApi.js",
-      "name": "有道"
-    },
-    {
-      "enable": false,
-      "method": "POST",
-      "name": "谷歌",
-      "requestBodyFormat": "X{\"q\": %TEXT%, \"sl\": \"ja\", \"tl\": \"zh-CN\"}",
-      "responseBodyPattern": "Rclass=\"t0\">([^<]*)<",
-      "url": "https://translate.google.cn/m"
-    },
-    {
-      "enable": false,
-      "method": "POST",
-      "name": "彩云",
-      "requestBodyFormat": "J{\"source\": %TEXT%, \"trans_type\": \"ja2zh\", \"request_id\": \"demo\", \"detect\": \"true\"}",
-      "requestHeaders": "{\"X-Authorization\": \"token 3975l6lr5pcbvidl6jl2\"}",
-      "responseBodyPattern": "J%RESPONSE%.target",
-      "url": "https://api.interpreter.caiyunai.com/v1/translator"
-    },
-    {
-      "enable": false,
-      "external": true,
-      "jsFile": "config\\azureApi.js",
-      "name": "Azure"
-    },
-    {
-      "enable": false,
-      "external": true,
-      "jsFile": "config\\baiduApi.js",
-      "name": "百度"
-    },
-    {
-      "enable": false,
-      "external": true,
-      "jsFile": "config\\newBaiduApi.js",
-      "name": "百度开放平台"
-    }
-  ],
-  "translators": {
-    "jBeijing": {
-      "dictPath": "C:\\YUKI\\yuki\\lib\\dict\\jb",
-      "enable": true,
-      "path": "C:\\JBeijing7"
-    }
-  },
-  "dictionaries": {
-    "lingoes": {
-      "enable": true,
-      "path": "C:\\YUKI\\libraries\\dict\\lingoes\\njcd.db"
-    }
-  },
-  "mecab": {
-    "enable": true,
-    "path": "C:\\YUKI\\libraries\\pos\\mecab-ipadic"
-  },
-  "librariesRepoUrl": "https://github.com/project-yuki/libraries/raw/master/_pack/",
-  "language": "zh"
-}
diff --git a/config/config.yaml b/config/config.yaml
new file mode 100644
index 0000000..efdf1df
--- /dev/null
+++ b/config/config.yaml
@@ -0,0 +1,71 @@
+localeChangers:
+  alphaROMdiE:
+    enable: false
+    exec: 'C:\Resources\Games\AlphaROMdiE.exe %GAME_PATH%'
+    name: AlphaROMdiE
+  localeEmulator:
+    enable: true
+    exec: 'C:\LocaleEmulator\LEProc.exe %GAME_PATH%'
+    name: Locale Emulator
+  noChanger:
+    enable: false
+    exec: '%GAME_PATH%'
+    name: No Changer
+  ntleas:
+    enable: false
+    exec: 'C:\ntleas046_x64\x86\ntleas.exe %GAME_PATH%'
+    name: Ntleas
+onlineApis:
+  - enable: true
+    external: true
+    jsFile: config\qqApi.js
+    name: 腾讯
+  - enable: false
+    external: true
+    jsFile: config\tencentApi.js
+    name: 腾讯云
+  - enable: true
+    external: true
+    jsFile: config\youdaoApi.js
+    name: 有道
+  - enable: false
+    method: POST
+    name: 谷歌
+    requestBodyFormat: 'X{"q": %TEXT%, "sl": "ja", "tl": "zh-CN"}'
+    responseBodyPattern: 'Rclass="t0">([^<]*)<'
+    url: 'https://translate.google.cn/m'
+  - enable: false
+    method: POST
+    name: 彩云
+    requestBodyFormat: >-
+      J{"source": %TEXT%, "trans_type": "ja2zh", "request_id": "demo", "detect":
+      "true"}
+    requestHeaders: '{"X-Authorization": "token 3975l6lr5pcbvidl6jl2"}'
+    responseBodyPattern: J%RESPONSE%.target
+    url: 'https://api.interpreter.caiyunai.com/v1/translator'
+  - enable: false
+    external: true
+    jsFile: config\azureApi.js
+    name: Azure
+  - enable: false
+    external: true
+    jsFile: config\baiduApi.js
+    name: 百度
+  - enable: false
+    external: true
+    jsFile: config\newBaiduApi.js
+    name: 百度开放平台
+translators:
+  jBeijing:
+    dictPath: 'C:\YUKI\yuki\lib\dict\jb'
+    enable: true
+    path: 'C:\JBeijing7'
+dictionaries:
+  lingoes:
+    enable: true
+    path: 'C:\YUKI\libraries\dict\lingoes\njcd.db'
+mecab:
+  enable: true
+  path: 'C:\YUKI\libraries\pos\mecab-ipadic'
+librariesRepoUrl: 'https://github.com/project-yuki/libraries/raw/master/_pack/'
+language: zh
diff --git a/package.json b/package.json
index 925bf61..b822449 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,7 @@
     "extract-zip": "^1.6.7",
     "ffi": "^2.3.0",
     "fstream": "^1.0.12",
-    "jsonfile": "^5.0.0",
+    "js-yaml": "^3.14.0",
     "mecab-ffi": "^0.2.0",
     "ref": "^1.3.5",
     "request": "^2.88.0",
@@ -83,7 +83,7 @@
     "@mdi/font": "^4.5.95",
     "@types/chai": "^4.1.7",
     "@types/ffi": "^0.2.1",
-    "@types/jsonfile": "^4.0.1",
+    "@types/js-yaml": "^3.12.5",
     "@types/lodash": "^4.14.121",
     "@types/mocha": "^5.2.5",
     "@types/request-promise-native": "^1.0.15",
@@ -159,4 +159,4 @@
   "resolutions": {
     "electron-rebuild/node-gyp": "^6.0.1"
   }
-}
+}
\ No newline at end of file
diff --git a/src/main/config/Config.ts b/src/main/config/Config.ts
index a7e889c..f9b7a88 100644
--- a/src/main/config/Config.ts
+++ b/src/main/config/Config.ts
@@ -1,6 +1,6 @@
 import { app, ipcMain } from 'electron'
 import * as fs from 'fs'
-import * as jsonfile from 'jsonfile'
+import { safeDump, safeLoad } from 'js-yaml'
 import * as path from 'path'
 import IpcTypes from '../../common/IpcTypes'
 const debug = require('debug')('yuki:config')
@@ -14,10 +14,12 @@ abstract class Config {
   protected config: any
 
   protected filePath!: string
+  protected filePathOld!: string
   protected isSaving: boolean = false
 
   public init () {
-    this.filePath = path.resolve(global.__baseDir, `config/${this.getFilename()}.json`)
+    this.filePath = path.resolve(global.__baseDir, `config/${this.getFilename()}.yaml`)
+    this.filePathOld = path.resolve(global.__baseDir, `config/${this.getFilename()}.json`)
     this.load()
     this.save()
     debug('%s loaded with pre-save', this.filePath)
@@ -28,7 +30,13 @@ abstract class Config {
   public load () {
     let fileContent
     try {
-      fileContent = jsonfile.readFileSync(this.filePath)
+      let filePath = this.filePath
+      if (!fs.existsSync(this.filePath)) {
+        filePath = this.filePathOld
+      } else {
+        this.filePathOld = ''
+      }
+      fileContent = safeLoad(fs.readFileSync(filePath, { encoding: 'utf-8' }), { json: true }) as Object
     } catch (e) {
       debug('%s loads failed !> %s', this.filePath, e)
       fileContent = {}
@@ -41,11 +49,28 @@ abstract class Config {
 
   public save () {
     try {
-      jsonfile.writeFileSync(this.filePath, this.config, Config.FILE_OPTIONS)
+      Config.FILE_OPTIONS;
+      fs.writeFileSync(
+        this.filePath, 
+        safeDump(
+          this.config,
+          { indent: Config.FILE_OPTIONS.spaces }
+        ).replace("\n", Config.FILE_OPTIONS.EOL)
+      )
       debug('%s saved', this.filePath)
     } catch (e) {
       debug('%s saves failed !> %s', this.filePath, e)
     }
+
+    try {
+      if (this.filePathOld) {
+        fs.unlinkSync(this.filePathOld)
+        this.filePathOld = ''
+        debug('%s deleted', this.filePathOld)
+      }
+    } catch (e) {
+      debug('%s deletes failed !> %s', this.filePathOld, e)
+    }
   }
 
   public get () {
diff --git a/yarn.lock b/yarn.lock
index 2a869c1..1999d9f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -136,6 +136,11 @@
   dependencies:
     "@types/node" "*"
 
+"@types/js-yaml@^3.12.5":
+  version "3.12.5"
+  resolved "https://registry.yarnpkg.com/@types/js-yaml/-/js-yaml-3.12.5.tgz#136d5e6a57a931e1cce6f9d8126aa98a9c92a6bb"
+  integrity sha512-JCcp6J0GV66Y4ZMDAQCXot4xprYB+Zfd3meK9+INSJeVZwJmHAW30BBEEkPzXswMXuiyReUGOP3GxrADc9wPww==
+
 "@types/jsonfile@^4.0.1":
   version "4.0.1"
   resolved "http://registry.npm.taobao.org/@types/jsonfile/download/@types/jsonfile-4.0.1.tgz#be43f5096f1b3c97180e7ae419d747287d24d494"
@@ -5682,6 +5687,14 @@ js-yaml@^3.12.1:
     argparse "^1.0.7"
     esprima "^4.0.0"
 
+js-yaml@^3.14.0:
+  version "3.14.0"
+  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.14.0.tgz#a7a34170f26a21bb162424d8adacb4113a69e482"
+  integrity sha512-/4IbIeHcD9VMHFqDR/gQ7EdZdLimOvW2DdcxFjdyyZ9NsbS+ccrXqVWDtab/lRl5AlUqmpBx8EhPaWR+OtY17A==
+  dependencies:
+    argparse "^1.0.7"
+    esprima "^4.0.0"
+
 js-yaml@^3.7.0:
   version "3.12.2"
   resolved "http://registry.npm.taobao.org/js-yaml/download/js-yaml-3.12.2.tgz#ef1d067c5a9d9cb65bd72f285b5d8105c77f14fc"
@@ -5769,15 +5782,6 @@ jsonfile@^4.0.0:
   optionalDependencies:
     graceful-fs "^4.1.6"
 
-jsonfile@^5.0.0:
-  version "5.0.0"
-  resolved "http://registry.npm.taobao.org/jsonfile/download/jsonfile-5.0.0.tgz#e6b718f73da420d612823996fdf14a03f6ff6922"
-  integrity sha1-5rcY9z2kINYSgjmW/fFKA/b/aSI=
-  dependencies:
-    universalify "^0.1.2"
-  optionalDependencies:
-    graceful-fs "^4.1.6"
-
 jsprim@^1.2.2:
   version "1.4.1"
   resolved "http://registry.npm.taobao.org/jsprim/download/jsprim-1.4.1.tgz#313e66bc1e5cc06e438bc1b7499c2e5c56acb6a2"
@@ -9748,7 +9752,7 @@ unique-string@^1.0.0:
   dependencies:
     crypto-random-string "^1.0.0"
 
-universalify@^0.1.0, universalify@^0.1.2:
+universalify@^0.1.0:
   version "0.1.2"
   resolved "http://registry.npm.taobao.org/universalify/download/universalify-0.1.2.tgz#b646f69be3942dabcecc9d6639c80dc105efaa66"
   integrity sha1-tkb2m+OULavOzJ1mOcgNwQXvqmY=