diff --git a/bin/print_share_link.sh b/bin/print_share_link.sh
index bc087fd..1bf92c2 100644
--- a/bin/print_share_link.sh
+++ b/bin/print_share_link.sh
@@ -7,16 +7,18 @@ print_share_link() {
     
     # 检查jq是否安装
     check_jq
+
+    config_file="$config_dir/config.json"
     
     # 检查配置是否正确
-    local uuid=$(jq -r '.inbounds[0].users[0].uuid' "$config_dir/config.json")
+    local uuid=$(jq -r '.inbounds[0].users[0].uuid' "$config_file")
     if [ "$uuid" = "你的UUID" ] || [ -z "$uuid" ] || [[ "$uuid" == null ]]; then
         red "error: 配置有误, 请重新生成配置"
         exit 1
     fi
     
     # 读取配置文件内容
-    local config=$(cat "$config_dir/config.json")
+    local config=$(cat "$config_file")
     
     # 提取所需信息
     uuid=$(echo "$config" | jq -r '.inbounds[0].users[0].uuid')