diff --git a/bin/start.sh b/bin/start.sh
index f40df65..cfa87bf 100755
--- a/bin/start.sh
+++ b/bin/start.sh
@@ -1,10 +1,36 @@
 #!/bin/bash
+
 f_name=main.py
 dir=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
 logdir=${dir%/*}
-pid=`ps -ef |grep $dir/$f_name | grep -v grep |awk '{print $2}'`
-for id in $pid
-do
-    kill -9 $id
-done
-nohup /usr/bin/python3 -u $dir/$f_name > $logdir/log/info.log 2>&1 &
+
+# 函数：杀死所有运行的main.py进程
+kill_process() {
+    pid=$(ps -ef | grep "$dir/$f_name" | grep -v grep | awk '{print $2}')
+    if [ ! -z "$pid" ]; then
+        for id in $pid; do
+            kill -9 $id
+        done
+    fi
+}
+
+# 函数：启动main.py
+start_process() {
+    nohup /usr/bin/python3 -u "$dir/$f_name" > "$logdir/log/info.log" 2>&1 &
+}
+
+# 杀死所有已存在的main.py进程
+kill_process
+
+# 启动main.py
+start_process
+
+# 无限循环，检查main.py是否在运行
+while true; do
+    sleep 5  # 每5秒检查一次
+    pid=$(ps -ef | grep "$dir/$f_name" | grep -v grep | awk '{print $2}')
+    if [ -z "$pid" ]; then
+        echo "main.py is not running, restarting..."
+        start_process
+    fi
+done
\ No newline at end of file