diff --git a/pkg/configutils/domain.go b/pkg/configutils/domain.go
index 737cab2..f026203 100644
--- a/pkg/configutils/domain.go
+++ b/pkg/configutils/domain.go
@@ -64,7 +64,7 @@ func MatchDomain(pattern string, domain string) (isMatched bool) {
 			var portIndex = strings.LastIndex(patternPiece, ":*")
 			if portIndex >= 0 {
 				var prefix = patternPiece[:portIndex]
-				if strings.HasPrefix(domainPieces[index], prefix+":") {
+				if strings.HasPrefix(domainPieces[index], prefix+":") || domainPieces[index] == prefix {
 					continue
 				}
 			}
diff --git a/pkg/configutils/domain_test.go b/pkg/configutils/domain_test.go
index 28ac60c..d34b77d 100644
--- a/pkg/configutils/domain_test.go
+++ b/pkg/configutils/domain_test.go
@@ -94,6 +94,14 @@ func TestMatchDomain(t *testing.T) {
 		var ok = MatchDomains([]string{"*.example.com:8001"}, "a.example.com:8001")
 		a.IsTrue(ok)
 	}
+	{
+		var ok = MatchDomains([]string{"a.example.com:*"}, "a.example.com:8001")
+		a.IsTrue(ok)
+	}
+	{
+		var ok = MatchDomains([]string{"a.example.com:*"}, "a.example.com")
+		a.IsTrue(ok)
+	}
 	{
 		var ok = MatchDomains([]string{"*.example.com:*"}, "a.example.com:8001")
 		a.IsTrue(ok)