fix: resolve loss of UUID when adding/removing protocols in sb -r

fix: 修复 sb -r 添加或删除协议时 UUID 丢失的问题

Author: fscarmen

sing-box.sh

@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 
 # 当前脚本版本号
-VERSION='v1.3.14 (2026.06.20)'
+VERSION='v1.3.14 (2026.06.26)'
 
 # Github 反代加速代理
 GITHUB_PROXY=('https://hub.glowp.xyz/' 'https://proxy.vvvv.ee/')
@@ -5249,7 +5249,7 @@ change_protocols() {
 
   # 用于新节点的配置信息
   if [ "${#UUID[@]}" -gt 0 ]; then
-    UUID_CONFIRM="${UUID[0]}"
+    UUID_CONFIRM="$(printf "%s\n" "${UUID[@]}" | grep -m 1 . )"
   elif grep -q '.' <<< "${TROJAN_PASSWORD}"; then
     UUID_CONFIRM="${TROJAN_PASSWORD}"
   else
@@ -5938,4 +5938,4 @@ elif [ "$IS_FAST_INSTALL" = 'is_fast_install' ]; then
 else
   menu_setting
   menu
-fi
+fi