diff --git a/go.mod b/go.mod
index 6f37d5e..40bc143 100644
--- a/go.mod
+++ b/go.mod
@@ -7,9 +7,8 @@ require (
 	github.com/jaypipes/ghw v0.12.0
 	github.com/json-iterator/go v1.1.12
 	github.com/libp2p/go-nat v0.2.0
-	github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646
 	github.com/oneclickvirt/defaultset v0.0.2-20240624082446
-	github.com/oneclickvirt/gostun v0.0.3-20250329105202
+	github.com/oneclickvirt/gostun v0.0.5-20250722144757
 	github.com/shirou/gopsutil/v4 v4.24.5
 	github.com/yusufpapurcu/wmi v1.2.4
 	golang.org/x/sys v0.21.0
diff --git a/go.sum b/go.sum
index 85ecd17..9ae623f 100644
--- a/go.sum
+++ b/go.sum
@@ -62,12 +62,10 @@ github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 h1:ZqeYNhU3OH
 github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M=
 github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
-github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646 h1:zYyBkD/k9seD2A7fsi6Oo2LfFZAehjjQMERAvZLEDnQ=
-github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646/go.mod h1:jpp1/29i3P1S/RLdc7JQKbRpFeM1dOBd8T9ki5s+AY8=
 github.com/oneclickvirt/defaultset v0.0.2-20240624082446 h1:5Pg3mK/u/vQvSz7anu0nxzrNdELi/AcDAU1mMsmPzyc=
 github.com/oneclickvirt/defaultset v0.0.2-20240624082446/go.mod h1:e9Jt4tf2sbemCtc84/XgKcHy9EZ2jkc5x2sW1NiJS+E=
-github.com/oneclickvirt/gostun v0.0.3-20250329105202 h1:aJ6E91Lp94lq8iWRcCaxpXTjqOOaWvufr5oras6cFtM=
-github.com/oneclickvirt/gostun v0.0.3-20250329105202/go.mod h1:f7DPEXAxbmwXSW33dbxtb0/KzqvOBWhTs2Or5xBerQA=
+github.com/oneclickvirt/gostun v0.0.5-20250722144757 h1:RCEouk5WIJoF52JfsC60Zkqz66JY0JQKrhfd9kqP1OI=
+github.com/oneclickvirt/gostun v0.0.5-20250722144757/go.mod h1:f7DPEXAxbmwXSW33dbxtb0/KzqvOBWhTs2Or5xBerQA=
 github.com/onsi/ginkgo/v2 v2.19.0 h1:9Cnnf7UHo57Hy3k6/m5k3dRfGTMXGvxhHFvkDTCTpvA=
 github.com/onsi/ginkgo/v2 v2.19.0/go.mod h1:rlwLi9PilAFJ8jCg9UE1QP6VBpd6/xj3SRC0d6TU0To=
 github.com/onsi/gomega v1.33.1 h1:dsYjIxxSR755MDmKVsaFQTE22ChNBcuuTWgkUDSubOk=
diff --git a/system/nat.go b/system/nat.go
index 4c8a0e3..f92085e 100644
--- a/system/nat.go
+++ b/system/nat.go
@@ -7,37 +7,49 @@ import (
 
 func getNatType() string {
 	model.EnableLoger = false
-	addrStrPtrList := []string{
-		"stun.voipgate.com:3478",
-		"stun.miwifi.com:3478",
-		"stunserver.stunprotocol.org:3478",
-	}
-	checkStatus := true
-	for _, addrStr := range addrStrPtrList {
-		err1 := stuncheck.MappingTests(addrStr)
-		if err1 != nil {
-			model.NatMappingBehavior = "inconclusive"
-			if model.EnableLoger {
-				model.Log.Warn("NAT mapping behavior: inconclusive")
-			}
-			checkStatus = false
-		}
-		err2 := stuncheck.FilteringTests(addrStr)
-		if err2 != nil {
-			model.NatFilteringBehavior = "inconclusive"
-			if model.EnableLoger {
-				model.Log.Warn("NAT filtering behavior: inconclusive")
-			}
-			checkStatus = false
-		}
-		if model.NatMappingBehavior == "inconclusive" || model.NatFilteringBehavior == "inconclusive" {
-			checkStatus = false
-		} else if model.NatMappingBehavior != "inconclusive" && model.NatFilteringBehavior != "inconclusive" {
-			checkStatus = true
-		}
-		if checkStatus {
+	model.Verbose = 0
+	model.Timeout = 3
+	model.IPVersion = "ipv4"
+	addrStrList := model.GetDefaultServers(model.IPVersion)
+	rfcMethods := []string{"RFC5780", "RFC5389", "RFC3489"}
+	successfulDetection := false
+	for _, rfcMethod := range rfcMethods {
+		if successfulDetection {
 			break
 		}
+		for _, addrStr := range addrStrList {
+			model.NatMappingBehavior = ""
+			model.NatFilteringBehavior = ""
+			var err1, err2 error
+			switch rfcMethod {
+			case "RFC5780":
+				err1 = stuncheck.MappingTests(addrStr)
+				if err1 != nil {
+					model.NatMappingBehavior = "inconclusive"
+				}
+				err2 = stuncheck.FilteringTests(addrStr)
+				if err2 != nil {
+					model.NatFilteringBehavior = "inconclusive"
+				}
+			case "RFC5389":
+				err1 = stuncheck.MappingTestsRFC5389(addrStr)
+				if err1 != nil {
+					model.NatMappingBehavior = "inconclusive"
+					model.NatFilteringBehavior = "inconclusive"
+				}
+			case "RFC3489":
+				err1 = stuncheck.MappingTestsRFC3489(addrStr)
+				if err1 != nil {
+					model.NatMappingBehavior = "inconclusive"
+					model.NatFilteringBehavior = "inconclusive"
+				}
+			}
+			if model.NatMappingBehavior != "inconclusive" && model.NatFilteringBehavior != "inconclusive" &&
+				model.NatMappingBehavior != "" && model.NatFilteringBehavior != "" {
+				successfulDetection = true
+				break
+			}
+		}
 	}
 	return stuncheck.CheckType()
 }