diff --git a/build-in-package/strings/string_escape.go b/build-in-package/strings/string_escape.go
index 2220fee..d1ec800 100644
--- a/build-in-package/strings/string_escape.go
+++ b/build-in-package/strings/string_escape.go
@@ -6,10 +6,7 @@ import (
 )
 
 func TrimSuffix(s, suffix string) string {
-	if strings.HasSuffix(s, suffix) {
-		s = s[:len(s)-len(suffix)]
-	}
-	return s
+	return strings.TrimSuffix(s, suffix)
 }
 
 func StringEscape() {