diff --git a/packages/core/src/config/index.js b/packages/core/src/config/index.js
index 5d8c983..2a30654 100644
--- a/packages/core/src/config/index.js
+++ b/packages/core/src/config/index.js
@@ -325,7 +325,7 @@ module.exports = {
         enabled: true,
         interval: 300000,
         hostnameList: ['github.com'],
-        dnsProviders: ['usa', 'quad9', 'rubyfish']
+        dnsProviders: ['safe360', 'cloudflare', 'rubyfish']
       }
     }
   },
diff --git a/packages/gui/package.json b/packages/gui/package.json
index 7ff3966..29e80f6 100644
--- a/packages/gui/package.json
+++ b/packages/gui/package.json
@@ -52,7 +52,7 @@
     "@vue/cli-service": "~4.5.0",
     "@vue/eslint-config-standard": "^5.1.2",
     "babel-eslint": "^10.1.0",
-    "electron": "17.1.0",
+    "electron": "30.0.3",
     "electron-devtools-installer": "^3.1.0",
     "electron-icon-builder": "^2.0.1",
     "eslint": "^6.7.2",
diff --git a/packages/gui/src/view/pages/plugin/pip.vue b/packages/gui/src/view/pages/plugin/pip.vue
index ccf6cdc..294d58f 100644
--- a/packages/gui/src/view/pages/plugin/pip.vue
+++ b/packages/gui/src/view/pages/plugin/pip.vue
@@ -32,6 +32,12 @@
             <a-radio-button value="https://mirrors.aliyun.com/pypi/simple/">
               aliyun镜像
             </a-radio-button>
+            <a-radio-button value="https://mirrors.bfsu.edu.cn/pypi/web/simple">
+              北京外国语大学镜像
+            </a-radio-button>
+            <a-radio-button value="https://mirror.nju.edu.cn/pypi/web/simple">
+              南京大学镜像
+            </a-radio-button>
           </a-radio-group>
           <div class="form-help">设置后立即生效，即使关闭ds也会继续保持</div>
         </a-form-item>
diff --git a/packages/mitmproxy/src/lib/dns/https.js b/packages/mitmproxy/src/lib/dns/https.js
index d2c6807..ef1cf56 100644
--- a/packages/mitmproxy/src/lib/dns/https.js
+++ b/packages/mitmproxy/src/lib/dns/https.js
@@ -4,48 +4,43 @@ const BaseDNS = require('./base')
 const log = require('../../utils/util.log')
 const dohQueryAsync = promisify(doh.query)
 
-const PRESETS = {
-  'github.com': ['20.27.177.113', '20.205.243.166', '20.200.245.247'],
-  'api.github.com': ['20.27.177.116', '20.205.243.168', '20.200.245.245']
-}
-
-class DNSOverHTTPS extends BaseDNS {
-  constructor (dnsServer) {
+module.exports = class DNSOverHTTPS extends BaseDNS {
+  constructor(dnsServer) {
     super()
     this.dnsServer = dnsServer
-    this.lastLookupError = null // 添加属性来记录最后一次查询错误
   }
 
-  processQueryResult (result) {
-    if (result.answers.length === 0) {
-      log.error('该域名没有ip地址解析:', result.name)
-      return []
+  async _lookup(hostname) {
+    // 直接判断域名是否为example.com
+    if (hostname === 'github.com') {
+      log.info('域名github.com使用内置IP集')
+      // 返回预设的IP地址集
+      return ['20.27.177.113', '20.205.243.166', '20.200.245.247']
+      // 20.27.177.113日本(三网平均延时88MS(三网优秀)) 20.205.243.166新加坡(三网平均延时96MS(电信联通106.5平均延时，移动平均77MS)) 20.200.245.247韩国(三网平均108ms(移动平均120ms))
     }
-    return result.answers
-      .filter(item => item.type === 'A')
-      .map(item => item.data)
-  }
-
-  async _lookup (hostname) {
-    const preset = PRESETS[hostname]
-    if (preset) {
-      log.debug(`使用预设IP集：${hostname}`)
-      return preset
+    // 直接判断域名是否为example.com
+    if (hostname === 'github.com') {
+      log.info('域名github.com使用内置IP集')
+      // 返回预设的IP地址集
+      return ['20.27.177.116', '20.205.243.168', '20.200.245.245']
     }
     try {
       const result = await dohQueryAsync({ url: this.dnsServer }, [{ type: 'A', name: hostname }])
-      const ips = this.processQueryResult(result)
-      if (ips.length > 0) {
-        log.info('获取到域名地址：', hostname, ips)
+      if (result.answers.length === 0) {
+        // 说明没有获取到ip
+        log.info('该域名没有ip地址解析:', hostname)
+        return []
       }
-      this.lastLookupError = null // 重置错误记录
-      return ips
+      const ret = result.answers.filter(item => item.type === 'A').map(item => item.data)
+      if (ret.length === 0) {
+        log.info('该域名没有IPv4地址解析:', hostname)
+      } else {
+        log.info('获取到域名地址：', hostname, JSON.stringify(ret))
+      }
+      return ret
     } catch (e) {
-      log.error('DNS查询错误:', hostname, ', DNS服务器:', this.dnsServer, ', 错误:', e)
-      this.lastLookupError = e // 记录错误
-      throw e // 重新抛出错误，让调用者处理
+      log.warn('DNS query error:', hostname, ', dns:', this.dnsServer, ', error:', e)
+      return []
     }
   }
-}
-
-module.exports = DNSOverHTTPS
+}
\ No newline at end of file