diff --git a/packages/core/src/config/index.js b/packages/core/src/config/index.js
index a9aa59d..318e848 100644
--- a/packages/core/src/config/index.js
+++ b/packages/core/src/config/index.js
@@ -240,7 +240,7 @@ module.exports = {
       },
       speedTest: {
         enabled: true,
-        interval: 300000,
+        interval: 120000,
         hostnameList: ['github.com'],
         dnsProviders: ['usa', 'quad9', 'rubyfish']
       }
diff --git a/packages/mitmproxy/src/lib/speed/SpeedTester.js b/packages/mitmproxy/src/lib/speed/SpeedTester.js
index f05ad49..1168ca4 100644
--- a/packages/mitmproxy/src/lib/speed/SpeedTester.js
+++ b/packages/mitmproxy/src/lib/speed/SpeedTester.js
@@ -81,7 +81,7 @@ class SpeedTester {
   }
 
   async test () {
-    if (this.testCount % 10 === 0 || this.backupList.length === 0) {
+    if (this.testCount % 10 <= 3 || this.backupList.length === 0) {
       const newList = await this.getIpListFromDns(this.dnsMap)
       const newBackupList = [...newList, ...this.backupList]
       this.backupList = _.unionBy(newBackupList, 'host')