refactor: 优化dns选择

packages/mitmproxy/test/proxyTest.js

@@ -0,0 +1,17 @@
+const https = require('https')
+
+var options = {
+  headers: {
+    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36'
+  }
+}
+
+var request = https.get('https://api.github.com/', options, function (response) {
+  response.on('data', function (data) {
+    process.stdout.write(data)
+  })
+})
+
+request.on('error', function (error) {
+  console.log(error)
+})