diff --git a/core/emetric/tcpstat.go b/core/emetric/tcpstat.go
index 19b46c3..b49ec05 100644
--- a/core/emetric/tcpstat.go
+++ b/core/emetric/tcpstat.go
@@ -219,7 +219,7 @@ func (st tcpConnectionState) String() string {
 // 只解析IPV4
 // 34190A0A:3D2D
 func parseIpV4(s string) (string, error) {
-	if len(s) == 13 {
+	if len(s) != 13 {
 		return "", fmt.Errorf("not ipv4")
 	}
 	hexIP := s[:len(s)-5]
diff --git a/core/emetric/tcpstat_test.go b/core/emetric/tcpstat_test.go
index 363be41..aa395d5 100644
--- a/core/emetric/tcpstat_test.go
+++ b/core/emetric/tcpstat_test.go
@@ -12,5 +12,5 @@ func Test_parsePort(t *testing.T) {
 	//assert.Equal(t, 6379, got)
 	got1, err1 := parseIpV4("95141EAC:18EB")
 	assert.Equal(t, nil, err1)
-	assert.Equal(t, 6379, string(got1))
+	assert.Equal(t, "172.30.20.149:6379", string(got1))
 }