diff --git a/bin/post-steps.sh b/bin/post-steps.sh
index 2f92821..a6c708f 100755
--- a/bin/post-steps.sh
+++ b/bin/post-steps.sh
@@ -2,7 +2,8 @@
 
 PORT=8889
 JAR_PATH="/home/zhangbiqiong/pro_eld_mqtt_compare/target/pro_eld_mqtt_compare-0.0.1-SNAPSHOT.jar"
-LOG_DIR="/home/zhangbiqiong/pro_eld_mqtt_compare/logs"
+
+cd /home/zhangbiqiong/pro_eld_mqtt_compare || { echo "Failed to cd"; exit 1; }
 
 # 检测端口是否被占用
 if netstat -tuln | grep -q ":$PORT"; then
@@ -10,6 +11,6 @@ if netstat -tuln | grep -q ":$PORT"; then
   exit 0
 else
   echo "Port $PORT is free. Starting application..."
-  nohup java -DLOG_HOME="$LOG_DIR" -jar "$JAR_PATH" > /dev/null 2>&1 &
+  nohup java -jar "$JAR_PATH" > /dev/null 2>&1 &
   echo "Application started with PID $!"
 fi
\ No newline at end of file