diff --git a/packages/core/src/config.js b/packages/core/src/config.js
index 8aba40c..4dbec30 100644
--- a/packages/core/src/config.js
+++ b/packages/core/src/config.js
@@ -2,7 +2,7 @@ const fs = require('fs')
 const Shell = require('./shell')
 const lodash = require('lodash')
 const defConfig = require('./config/index.js')
-const JSON5 = require('json5').default
+const jsonApi = require('./json.js')
 const request = require('request')
 const path = require('path')
 const log = require('./utils/util.log')
@@ -66,14 +66,18 @@ const configApi = {
           return
         }
         if (response && response.statusCode === 200) {
-          const originalRemoteSavePath = _getRemoteSavePath('original_')
-          fs.writeFileSync(originalRemoteSavePath, body)
-          log.info('保存原来的远程配置文件成功:', originalRemoteSavePath)
+          if (body == null || body.length < 3) {
+            log.warn('下载远程配置成功，但内容为空:', remoteConfigUrl)
+            resolve()
+            return
+          } else {
+            log.info('下载远程配置成功:', remoteConfigUrl)
+          }
 
           // 尝试解析远程配置，如果解析失败，则不保存它
           let remoteConfig
           try {
-            remoteConfig = JSON5.parse(body)
+            remoteConfig = jsonApi.parse(body)
           } catch (e) {
             log.error(`远程配置内容格式不正确, url: ${remoteConfigUrl}, body: ${body}`)
             remoteConfig = null
@@ -81,14 +85,22 @@ const configApi = {
 
           if (remoteConfig != null) {
             const remoteSavePath = _getRemoteSavePath()
-            fs.writeFileSync(remoteSavePath, JSON.stringify(remoteConfig, null, '\t'))
+            fs.writeFileSync(remoteSavePath, body)
             log.info('保存远程配置文件成功:', remoteSavePath)
+          } else {
+            log.warn('远程配置对象为空:', remoteConfigUrl)
           }
 
           resolve()
         } else {
-          const message = '下载远程配置失败:' + response.message + ',code:' + response.statusCode
-          log.error(message)
+          log.error('下载远程配置失败, response:', response, ', body:', body)
+
+          let message
+          if (response) {
+            message = '下载远程配置失败: ' + response.message + ', code: ' + response.statusCode
+          } else {
+            message = '下载远程配置失败: response: ' + response
+          }
           reject(new Error(message))
         }
       })
@@ -101,9 +113,9 @@ const configApi = {
     const path = _getRemoteSavePath()
     try {
       if (fs.existsSync(path)) {
-        log.info('读取远程配置文件:', path)
         const file = fs.readFileSync(path)
-        return JSON5.parse(file.toString())
+        log.info('读取远程配置文件成功:', path)
+        return jsonApi.parse(file.toString())
       } else {
         log.warn('远程配置文件不存在:', path)
       }
@@ -148,11 +160,11 @@ const configApi = {
     // 计算新配置与默认配置（启用远程配置时，含远程配置）的差异，并保存到 config.json 中
     const diffConfig = mergeApi.doDiff(defConfig, newConfig)
     const configPath = _getConfigPath()
-    fs.writeFileSync(configPath, JSON.stringify(diffConfig, null, '\t'))
+    fs.writeFileSync(configPath, jsonApi.stringify(diffConfig))
     log.info('保存自定义配置文件成功:', configPath)
 
     // 重载配置
-    const allConfig = configApi.reload()
+    const allConfig = configApi.set(diffConfig)
 
     return {
       diffConfig,
@@ -166,13 +178,16 @@ const configApi = {
    * @returns {*}
    */
   reload () {
-    const path = _getConfigPath()
+    const configPath = _getConfigPath()
     let userConfig
-    if (!fs.existsSync(path)) {
+    if (!fs.existsSync(configPath)) {
       userConfig = {}
+      log.info('config.json 文件不存在:', configPath)
     } else {
-      const file = fs.readFileSync(path)
-      userConfig = JSON5.parse(file.toString())
+      const file = fs.readFileSync(configPath)
+      log.info('读取 config.json 成功:', configPath)
+      const fileStr = file.toString()
+      userConfig = fileStr && fileStr.length > 2 ? jsonApi.parse(fileStr) : {}
     }
 
     const config = configApi.set(userConfig)
diff --git a/packages/core/src/json.js b/packages/core/src/json.js
new file mode 100644
index 0000000..b3ca7f8
--- /dev/null
+++ b/packages/core/src/json.js
@@ -0,0 +1,13 @@
+let JSON5 = require('json5')
+if (JSON5.default) {
+  JSON5 = JSON5.default
+}
+
+module.exports = {
+  parse (str) {
+    return JSON5.parse(str)
+  },
+  stringify (obj) {
+    return JSON.stringify(obj, null, '\t')
+  }
+}
diff --git a/packages/core/src/modules/plugin/node/index.js b/packages/core/src/modules/plugin/node/index.js
index fa7fc0f..7f2ffe5 100644
--- a/packages/core/src/modules/plugin/node/index.js
+++ b/packages/core/src/modules/plugin/node/index.js
@@ -1,4 +1,5 @@
 const nodeConfig = require('./config')
+const jsonApi = require('../../../json.js')
 const NodePlugin = function (context) {
   const { config, shell, event, log } = context
   const nodeApi = {
@@ -31,7 +32,7 @@ const NodePlugin = function (context) {
       const ret = await shell.exec(['npm config list --json'], { type: 'cmd' })
       if (ret != null) {
         const json = ret.substring(ret.indexOf('{'))
-        return JSON.parse(json)
+        return jsonApi.parse(json)
       }
       return {}
     },
diff --git a/packages/core/src/modules/server/index.js b/packages/core/src/modules/server/index.js
index 4fb519e..25e71d6 100644
--- a/packages/core/src/modules/server/index.js
+++ b/packages/core/src/modules/server/index.js
@@ -6,10 +6,7 @@ const fork = require('child_process').fork
 const log = require('../../utils/util.log')
 const fs = require('fs')
 const path = require('path')
-let JSON5 = require('json5')
-if (JSON5.default) {
-  JSON5 = JSON5.default
-}
+const jsonApi = require('../../json')
 
 let server = null
 function fireStatus (status) {
@@ -75,8 +72,8 @@ const serverApi = {
     // fireStatus('ing') // 启动中
     const basePath = serverConfig.setting.userBasePath
     const runningConfigPath = path.join(basePath, '/running.json')
-    fs.writeFileSync(runningConfigPath, JSON.stringify(serverConfig, null, '\t'))
-    log.info('保存运行时配置文件成功:', runningConfigPath)
+    fs.writeFileSync(runningConfigPath, jsonApi.stringify(serverConfig))
+    log.info('保存 running.json 成功:', runningConfigPath)
     const serverProcess = fork(mitmproxyPath, [runningConfigPath])
     server = {
       id: serverProcess.pid,
@@ -98,7 +95,7 @@ const serverApi = {
       log.error('server process uncaughtException:', err)
     })
     serverProcess.on('message', function (msg) {
-      log.info('收到子进程消息', msg.type, msg.event.key, msg.message)
+      log.info('收到子进程消息:', JSON.stringify(msg))
       if (msg.type === 'status') {
         fireStatus(msg.event)
       } else if (msg.type === 'error') {
diff --git a/packages/core/src/shell/scripts/get-npm-env.js b/packages/core/src/shell/scripts/get-npm-env.js
index c6af3a6..48ce95f 100644
--- a/packages/core/src/shell/scripts/get-npm-env.js
+++ b/packages/core/src/shell/scripts/get-npm-env.js
@@ -2,13 +2,14 @@
  * 获取环境变量
  */
 const Shell = require('../shell')
+const jsonApi = require('../../json')
 const execute = Shell.execute
 const executor = {
   async windows (exec) {
     const ret = await exec(['npm config list --json'], { type: 'cmd' })
     if (ret != null) {
       const json = ret.substring(ret.indexOf('{'))
-      return JSON.parse(json)
+      return jsonApi.parse(json)
     }
     return {}
   },
diff --git a/packages/core/start/index.js b/packages/core/start/index.js
index 154d0a3..ccf092e 100644
--- a/packages/core/start/index.js
+++ b/packages/core/start/index.js
@@ -1,6 +1,8 @@
-const JSON5 = require('json5')
+const jsonApi = require('../src/json.js')
 const DevSidecar = require('../index')
 const fs = require('fs')
+const log = require('../src/utils/util.log')
+
 // 启动服务
 const mitmproxyPath = './start/mitmproxy'
 async function startup () {
@@ -10,7 +12,8 @@ async function startup () {
   const configPath = './start/user_config.json5'
   if (fs.existsSync(configPath)) {
     const file = fs.readFileSync(configPath)
-    const userConfig = JSON5.parse(file.toString())
+    const userConfig = jsonApi.parse(file.toString())
+    log.info('读取 user_config.json5 成功:', configPath)
     DevSidecar.api.config.set(userConfig)
   }
 
diff --git a/packages/core/start/mitmproxy.js b/packages/core/start/mitmproxy.js
index 2a026d4..7c358e5 100644
--- a/packages/core/start/mitmproxy.js
+++ b/packages/core/start/mitmproxy.js
@@ -1,8 +1,9 @@
-// eslint-disable-next-line no-unused-vars
 const server = require('@docmirror/mitmproxy')
-const JSON5 = require('json5')
+const jsonApi = require('../src/json.js')
 const path = require('path')
 const home = process.env.USER_HOME || process.env.HOME || 'C:/Users/Administrator/'
+const log = require('../src/utils/util.log')
+
 let configPath
 if (process.argv && process.argv.length > 3) {
   configPath = process.argv[2]
@@ -12,10 +13,12 @@ if (process.argv && process.argv.length > 3) {
 
 const fs = require('fs')
 const configJson = fs.readFileSync(configPath)
-const config = JSON5.parse(configJson)
+log.info('读取 running.json by core 成功:', configPath)
+const config = jsonApi.parse(configJson.toString())
 // const scriptDir = '../../gui/extra/scripts/'
 // config.setting.script.defaultDir = path.join(__dirname, scriptDir)
 // const pacFilePath = '../../gui/extra/pac/pac.txt'
 // config.plugin.overwall.pac.customPacFilePath = path.join(__dirname, pacFilePath)
 config.setting.rootDir = path.join(__dirname, '../../gui/')
+log.info(`start mitmproxy config by core: 读取配置文件: ${configPath}`)
 server.start(config)
diff --git a/packages/gui/src/bridge/api/backend.js b/packages/gui/src/bridge/api/backend.js
index 7004ca7..0444187 100644
--- a/packages/gui/src/bridge/api/backend.js
+++ b/packages/gui/src/bridge/api/backend.js
@@ -2,15 +2,17 @@ import lodash from 'lodash'
 import DevSidecar from '@docmirror/dev-sidecar'
 import { ipcMain } from 'electron'
 import fs from 'fs'
-import JSON5 from 'json5'
 import path from 'path'
 const pk = require('../../../package.json')
 const mitmproxyPath = path.join(__dirname, 'mitmproxy.js')
 process.env.DS_EXTRA_PATH = path.join(__dirname, '../extra/')
+const jsonApi = require('@docmirror/dev-sidecar/src/json.js')
 const log = require('../../utils/util.log')
+
 const getDefaultConfigBasePath = function () {
   return DevSidecar.api.config.get().server.setting.userBasePath
 }
+
 const localApi = {
   /**
    * 返回所有api列表，供vue来ipc调用
@@ -47,7 +49,12 @@ const localApi = {
       let setting = {}
       if (fs.existsSync(settingPath)) {
         const file = fs.readFileSync(settingPath)
-        setting = JSON5.parse(file.toString())
+        try {
+          setting = jsonApi.parse(file.toString())
+          log.info('读取 setting.json 成功:', settingPath)
+        } catch (e) {
+          log.error('读取 setting.json 失败:', settingPath, ', error:', e)
+        }
         if (setting == null) {
           setting = {}
         }
@@ -57,15 +64,26 @@ const localApi = {
       }
 
       if (setting.installTime == null) {
+        // 设置安装时间
         setting.installTime = new Date().getTime()
+
+        // 初始化 rootCa.setuped
+        if (setting.rootCa == null) {
+          setting.rootCa = {
+            setuped: false,
+            desc: '根证书未安装'
+          }
+        }
+
+        // 保存 setting.json
         localApi.setting.save(setting)
       }
       return setting
     },
     save (setting = {}) {
       const settingPath = _getSettingsPath()
-      fs.writeFileSync(settingPath, JSON.stringify(setting, null, '\t'))
-      log.info('保存setting配置文件成功', settingPath)
+      fs.writeFileSync(settingPath, jsonApi.stringify(setting))
+      log.info('保存 setting.json 配置文件成功:', settingPath)
     }
   },
   /**
diff --git a/packages/gui/src/bridge/mitmproxy.js b/packages/gui/src/bridge/mitmproxy.js
index 41a6506..79886a4 100644
--- a/packages/gui/src/bridge/mitmproxy.js
+++ b/packages/gui/src/bridge/mitmproxy.js
@@ -1,14 +1,17 @@
 // eslint-disable-next-line no-unused-vars
+const log = require('../utils/util.log')
 const server = require('@docmirror/mitmproxy')
-const JSON5 = require('json5').default
+const jsonApi = require('@docmirror/dev-sidecar/src/json.js')
 const configPath = process.argv[2]
 const fs = require('fs')
 const path = require('path')
 const configJson = fs.readFileSync(configPath)
-const config = JSON5.parse(configJson)
+log.info('读取 running.json by gui bridge 成功:', configPath)
+const config = jsonApi.parse(configJson.toString())
 // const scriptDir = '../extra/scripts/'
 // config.setting.script.defaultDir = path.join(__dirname, scriptDir)
 // const pacFilePath = '../extra/pac/pac.txt'
 // config.plugin.overwall.pac.customPacFilePath = path.join(__dirname, pacFilePath)
 config.setting.rootDir = path.join(__dirname, '../')
+log.info(`start mitmproxy config by gui bridge: ${configPath}`)
 server.start(config)
diff --git a/packages/gui/src/view/pages/index.vue b/packages/gui/src/view/pages/index.vue
index 1d00d53..18481b5 100644
--- a/packages/gui/src/view/pages/index.vue
+++ b/packages/gui/src/view/pages/index.vue
@@ -235,7 +235,7 @@ export default {
         },
         onCancel: () => {
           this.setting.rootCa = this.setting.rootCa || {}
-          //  const rootCa = this.setting.rootCa
+          // const rootCa = this.setting.rootCa
           // rootCa.noTip = true
           // this.$api.setting.save(this.setting)
         }
@@ -252,6 +252,13 @@ export default {
 
       // 根证书已安装
       rootCa.setuped = true
+      // 保存安装时间
+      rootCa.setupTime = new Date().getTime()
+      // 保存安装描述
+      rootCa.desc = '根证书已安装'
+      // 删除noTip数据
+      // delete rootCa.noTip
+
       this.$set(this, 'setting', this.setting)
       this.$api.setting.save(this.setting)
     },