diff --git a/bin/update_reality_dest.sh b/bin/update_reality_dest.sh
index 79b2d33..fbffb29 100644
--- a/bin/update_reality_dest.sh
+++ b/bin/update_reality_dest.sh
@@ -1,37 +1,36 @@
 #!/bin/bash
 
-script_dir=$(cd "$(dirname "$0")"; pwd)
-config_dir="$script_dir/../conf"
-source $script_dir/utils/jq_util.sh
 
-# 输入dest值
-old_dest=$(jq -r '.inbounds[0].streamSettings.realitySettings.dest' "$config_dir/config.json")
-read -p "请输入新的dest地址[当前地址: $old_dest]: " dest
+update_realty_dest(){
+    script_dir=$(cd "$(dirname "$0")"; pwd)
+    config_dir="$script_dir/../conf"
+    source $script_dir/utils/jq_util.sh
 
-# 如果输入dest为空
-if [[ -z "$dest" ]]; then
-    echo "输入dest为空，退出脚本"
-    exit 1
-fi
+    # 输入dest值
+    old_dest=$(jq -r '.inbounds[0].streamSettings.realitySettings.dest' "$config_dir/config.json")
+    read -p "请输入新的dest地址[当前地址: $old_dest]: " dest
 
-# 如果未指定端口号默认加上 :443
-if [[ "$dest" != *:* ]]; then
-    dest="${dest}:443"
-    echo "未检测到端口号，已自动添加默认端口 :443"
-fi
+    # 如果输入dest为空
+    if [[ -z "$dest" ]]; then
+        echo "输入dest为空，退出脚本"
+        exit 1
+    fi
 
-domain=$(echo "$dest" | awk -F ':' '{print $1}')
+    # 如果未指定端口号默认加上 :443
+    if [[ "$dest" != *:* ]]; then
+        dest="${dest}:443"
+        echo "未检测到端口号，已自动添加默认端口 :443"
+    fi
 
+    domain=$(echo "$dest" | awk -F ':' '{print $1}')
+    
+    # 修改配置文件的dest
+    modify_json_file "$config_dir/config.json" ".inbounds[0].streamSettings.realitySettings.dest" "$dest"
 
-echo "正在修改配置文件..."
-
-# 修改配置文件的dest
-modify_json_file "$config_dir/config.json" ".inbounds[0].streamSettings.realitySettings.dest" "$dest"
-
-# 修改配置文件的serverNames
-modify_json_file "$config_dir/config.json" ".inbounds[0].streamSettings.realitySettings.serverNames" "[\"$domain\"]"
-
-echo "配置文件修改成功！"
-echo "新的dest地址为: $dest"
-echo "新的serverNames数组为: [\"$domain\"]"
+    # 修改配置文件的serverNames
+    modify_json_file "$config_dir/config.json" ".inbounds[0].streamSettings.realitySettings.serverNames" "[\"$domain\"]"
 
+    echo "配置文件修改成功！"
+    echo "新的dest地址为: $dest"
+    echo "新的serverNames数组为: [\"$domain\"]"
+}