diff --git a/bin/print_share_link.sh b/bin/print_share_link.sh
index c1d2283..0704fe8 100644
--- a/bin/print_share_link.sh
+++ b/bin/print_share_link.sh
@@ -8,17 +8,17 @@ then
 fi
 
 # 获取脚本所在目录的上级目录路径
-script_dir=$(cd "$(dirname "$0")"; pwd)
-parent_dir=$(dirname "$script_dir")
+SCRIPT_DIR=$(cd "$(dirname "$0")"; pwd)
+PARENT_DIR=$(dirname "$SCRIPT_DIR")
 
 # 读取 config.json 文件
-config=$(cat "$parent_dir/config.json")
+CONFIG=$(cat "$PARENT_DIR/config.json")
 
 # 提取所需信息
-PASSWORD=$(echo "$config" | jq -r '.auth.password')
-SNI=$(echo "$config" | jq -r '.masquerade.proxy.url' | awk -F'/' '{print $3}')
-IPV4=$(curl -4 -sSL --connect-timeout 3 --retry 2  ip.sb || echo "null") # 本机IPV4地址
-PORT=$(echo "$config" | jq -r '.listen' | cut -d':' -f2)
+PASSWORD=$(echo "$CONFIG" | jq -r '.auth.password')
+SNI=$(echo "$CONFIG" | jq -r '.masquerade.proxy.url' | awk -F'/' '{print $3}')
+IPV4=$(curl -4 -sSL --connect-timeout 3 --retry 2 ip.sb || echo "null") # 本机IPV4地址
+PORT=$(echo "$CONFIG" | jq -r '.listen' | cut -d':' -f2)
 
 # 构建分享链接
 SHARE_LINK="hysteria2://${PASSWORD}@${IPV4}:${PORT}/?sni=${SNI}&insecure=1#${IPV4}"