diff --git a/V2rayNG/app/src/main/java/com/v2ray/ang/dto/V2rayConfig.kt b/V2rayNG/app/src/main/java/com/v2ray/ang/dto/V2rayConfig.kt
index 80db57f7..c158362e 100644
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/dto/V2rayConfig.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/dto/V2rayConfig.kt
@@ -245,7 +245,14 @@ data class V2rayConfig(
                 var tproxy: String? = null,
                 var mark: Int? = null,
                 var dialerProxy: String? = null,
-                var domainStrategy: String? = null
+                var domainStrategy: String? = null,
+                var happyEyeballs: happyEyeballsBean? = null,
+                )
+            data class happyEyeballsBean(
+                var prioritizeIPv6: Boolean? = null,
+                var maxConcurrentTry: Int? = 4,
+                var tryDelayMs: Int? = 250, // ms
+                var interleave: Int? = null,
             )
 
             data class TlsSettingsBean(
diff --git a/V2rayNG/app/src/main/java/com/v2ray/ang/handler/V2rayConfigManager.kt b/V2rayNG/app/src/main/java/com/v2ray/ang/handler/V2rayConfigManager.kt
index 663907f0..4c52ed70 100644
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/handler/V2rayConfigManager.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/handler/V2rayConfigManager.kt
@@ -1011,14 +1011,22 @@ object V2rayConfigManager {
             if (domain.isNullOrEmpty()) continue
 
             if (newHosts.containsKey(domain)) {
-                item.ensureSockopt().domainStrategy = if (preferIpv6) "UseIPv6v4" else "UseIPv4v6"
+                item.ensureSockopt().domainStrategy = "UseIP"
+                item.ensureSockopt().happyEyeballs = StreamSettingsBean.happyEyeballsBean(
+                    prioritizeIPv6 = preferIpv6,
+                    interleave = 2
+                )
                 continue
             }
 
             val resolvedIps = HttpUtil.resolveHostToIP(domain, preferIpv6)
             if (resolvedIps.isNullOrEmpty()) continue
 
-            item.ensureSockopt().domainStrategy = if (preferIpv6) "UseIPv6v4" else "UseIPv4v6"
+            item.ensureSockopt().domainStrategy = "UseIP"
+            item.ensureSockopt().happyEyeballs = StreamSettingsBean.happyEyeballsBean(
+                prioritizeIPv6 = preferIpv6,
+                interleave = 2
+            )
             newHosts[domain] = if (resolvedIps.size == 1) {
                 resolvedIps[0]
             } else {