fix: enable mihomo ipv6 speed tests

backend/internal/proxy/speedtest.go

@@ -5,6 +5,7 @@ import (
 	"time"
 
 	"github.com/metacubex/mihomo/adapter"
+	"github.com/metacubex/mihomo/component/resolver"
 
 	"ant-chrome/backend/internal/config"
 	"ant-chrome/backend/internal/logger"
@@ -62,6 +63,7 @@ func SpeedTest(
 	if testURL == "" {
 		return TestResult{ProxyId: proxyId, Ok: false, Error: "测速目标 URL 为空"}
 	}
+	enableMihomoIPv6()
 
 	resolvedSrc := src
 	if IsChainSocks5Proxy(src) {
@@ -104,3 +106,7 @@ func SpeedTest(
 	adapter.UnifiedDelay.Store(true)
 	return unifiedDelayTest(proxyId, proxyInstance, testURL, cfg.Timeout)
 }
+
+func enableMihomoIPv6() {
+	resolver.DisableIPv6 = false
+}

backend/internal/proxy/speedtest_test.go

@@ -4,6 +4,8 @@ import (
 	"encoding/base64"
 	"strings"
 	"testing"
+
+	"github.com/metacubex/mihomo/component/resolver"
 )
 
 func TestProxyConfigToMappingStandardProxy(t *testing.T) {
@@ -31,6 +33,17 @@ func TestProxyConfigToMappingStandardProxy(t *testing.T) {
 	}
 }
 
+func TestEnableMihomoIPv6(t *testing.T) {
+	resolver.DisableIPv6 = true
+	t.Cleanup(func() { resolver.DisableIPv6 = true })
+
+	enableMihomoIPv6()
+
+	if resolver.DisableIPv6 {
+		t.Fatal("expected mihomo IPv6 resolver to be enabled")
+	}
+}
+
 func TestProxyConfigToMappingEscapedCredentials(t *testing.T) {
 	t.Parallel()