From 104b28efd3ba1044d7f25668b6eceb966a14b233 Mon Sep 17 00:00:00 2001
From: hhs <386998068@qq.com>
Date: Sun, 21 Jun 2026 22:02:08 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E5=AE=9E=E7=8E=B0=E5=AD=97=E7=AC=A6?=
 =?UTF-8?q?=E4=B8=B2=E6=88=AA=E6=96=AD=E5=B7=A5=E5=85=B7=E5=87=BD=E6=95=B0?=
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---
 backend/internal/util/string.go | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 backend/internal/util/string.go

diff --git a/backend/internal/util/string.go b/backend/internal/util/string.go
new file mode 100644
index 0000000..460be86
--- /dev/null
+++ b/backend/internal/util/string.go
@@ -0,0 +1,9 @@
+package util
+
+// Truncate 截断字符串到指定长度，超出部分用 "..." 替换
+func Truncate(s string, maxLen int) string {
+	if len(s) <= maxLen {
+		return s
+	}
+	return s[:maxLen] + "..."
+}