diff --git a/text/gstr/gstr_domain.go b/text/gstr/gstr_domain.go
index 45f31bb72..140c44d02 100644
--- a/text/gstr/gstr_domain.go
+++ b/text/gstr/gstr_domain.go
@@ -21,6 +21,17 @@ func IsSubDomain(subDomain string, mainDomain string) bool {
 	mainArray := strings.Split(mainDomain, ".")
 	subLength := len(subArray)
 	mainLength := len(mainArray)
+
+	// Eg:
+	// goframe.org is not sub-dome of 's.goframe.org'
+	if mainLength > subLength {
+		for i := range mainArray[0 : mainLength-subLength] {
+			if mainArray[i] != "*" {
+				return false
+			}
+		}
+	}
+
 	// Eg:
 	// "s.s.goframe.org" is not sub-domain of "*.goframe.org"
 	// but
diff --git a/text/gstr/gstr_z_unit_domain_test.go b/text/gstr/gstr_z_unit_domain_test.go
index 22591a017..f7176d6b8 100644
--- a/text/gstr/gstr_z_unit_domain_test.go
+++ b/text/gstr/gstr_z_unit_domain_test.go
@@ -58,4 +58,20 @@ func Test_IsSubDomain(t *testing.T) {
 		t.Assert(gstr.IsSubDomain("s.johng.cn", main), false)
 		t.Assert(gstr.IsSubDomain("s.s.johng.cn", main), false)
 	})
+
+	gtest.C(t, func(t *gtest.T) {
+		main := "*.*.goframe.org:8080"
+		t.Assert(gstr.IsSubDomain("goframe.org", main), true)
+		t.Assert(gstr.IsSubDomain("s.goframe.org", main), true)
+		t.Assert(gstr.IsSubDomain("s.s.goframe.org", main), true)
+		t.Assert(gstr.IsSubDomain("s.s.goframe.org:8000", main), true)
+		t.Assert(gstr.IsSubDomain("s.s.s.goframe.org", main), false)
+		t.Assert(gstr.IsSubDomain("johng.cn", main), false)
+		t.Assert(gstr.IsSubDomain("s.johng.cn", main), false)
+		t.Assert(gstr.IsSubDomain("s.s.johng.cn", main), false)
+	})
+	gtest.C(t, func(t *gtest.T) {
+		main := "s.goframe.org"
+		t.Assert(gstr.IsSubDomain("goframe.org", main), false)
+	})
 }