From d22cb98ab8cb2798adad0c7f771aac03c445d984 Mon Sep 17 00:00:00 2001
From: hotyue <52734432+hotyue@users.noreply.github.com>
Date: Thu, 4 Jun 2026 06:28:09 +0000
Subject: [PATCH] =?UTF-8?q?fix(core):=20=E4=BF=AE=E5=A4=8D=E8=8A=82?=
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---
 install/net_engine.sh | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/install/net_engine.sh b/install/net_engine.sh
index 2195aa0d..ed2d7e6d 100755
--- a/install/net_engine.sh
+++ b/install/net_engine.sh
@@ -137,7 +137,10 @@ do_assemble_fallback() {
             read -p "请输入节点展示别名 (如'纽约机房', 回车使用默认): " CUSTOM_ALIAS
 
             if [ -n "$CUSTOM_ALIAS" ]; then
-                NODE_ALIAS=$(echo "$CUSTOM_ALIAS" | tr -d '"'\''\`\$\|&;<>\n\r' | cut -c 1-20)
+                # 挂载 UTF-8 环境，防止原生 Bash 在 C Locale 下对多字节汉字进行错误截断
+                export LC_ALL=C.UTF-8 2>/dev/null || export LC_ALL=en_US.UTF-8 2>/dev/null || true
+                CLEAN_ALIAS=$(echo "$CUSTOM_ALIAS" | tr -d '"'\''\`\$\|&;<>\n\r')
+                NODE_ALIAS="${CLEAN_ALIAS:0:20}"
                 [ -z "$NODE_ALIAS" ] && NODE_ALIAS="$NODE_NAME"
             fi
             echo -e "✅ 已锁定节点展示别名: \033[32m$NODE_ALIAS\033[0m"