diff --git a/bin/start.sh b/bin/start.sh
index 039ee20..c4f60f2 100755
--- a/bin/start.sh
+++ b/bin/start.sh
@@ -5,11 +5,31 @@ dir=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
 logdir=${dir%/*}
 screen_name="main_screen"
 
-# 查找并结束所有与指定screen_name相关的screen会话
-pids=$(screen -ls | grep $screen_name | awk -F '.' '{print $1}' | awk '{print $1}')
-for pid in $pids; do
-    screen -S $pid -X quit
-done
+# 函数用于启动Python脚本
+start_script() {
+    # 创建一个新的screen会话并运行Python脚本
+    screen -dmS $screen_name /usr/bin/python3 -u $dir/$f_name 2>&1
+}
 
-# 创建一个新的screen会话并运行Python脚本
-screen -dmS $screen_name /usr/bin/python3 -u $dir/$f_name 2>&1
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+# 主循环
+while true; do
+    # 检查是否有与指定screen_name相关的screen会话正在运行
+    existing_sessions=$(screen -ls | grep -w $screen_name)
+
+    # 如果找到正在运行的screen会话，则结束它们
+    if [ -n "$existing_sessions" ]; then
+        pids=$(screen -ls | grep $screen_name | awk -F '.' '{print $1}' | awk '{print $1}')
+        for pid in $pids; do
+            screen -S $pid -X quit
+        done
+    fi
+
+    # 启动Python脚本
+    start_script
+
+    # 等待一段时间，检查脚本是否还在运行
+    sleep 5
+    if ! screen -list | grep -q $screen_name; then
+        echo "Script stopped unexpectedly. Restarting..."
+    fi
+done
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