diff --git a/encoding.go b/encoding.go
index c099883..a44f3c5 100644
--- a/encoding.go
+++ b/encoding.go
@@ -28,3 +28,12 @@ func EncodeXMLIndent(v interface{}) string {
 	b, _ := xml.MarshalIndent(v, "    ", "    ")
 	return string(b)
 }
+
+func HasChinese(str string) bool {
+	for _, r := range str {
+		if unicode.Is(unicode.Han, r) {
+			return true
+		}
+	}
+	return false
+}