diff --git a/utils/utils.go b/utils/utils.go
index c190f51b..cf599075 100644
--- a/utils/utils.go
+++ b/utils/utils.go
@@ -186,3 +186,10 @@ func FilterMb4(content string) string {
 	}
 	return newContent.String()
 }
+
+func TrimBlanChar(str string) string {
+	return strings.TrimFunc(str, func(value rune) bool {
+		strValue := string(value)
+		return strValue == " " || strValue == "\t" || strValue == "\n" || strValue == "\r"
+	})
+}