update start.sh

app.py

@@ -29,51 +29,20 @@ async def run_spider_in_vnc(index: int) -> str:
     
     Args:
         index: VNC 显示编号
-        username: 用户名（默认 user{index}）
     """
-    
-    if username is None:
-        username = f"user{index}"
-    
     try:
-        # 创建临时脚本
-        with tempfile.NamedTemporaryFile(mode='w', suffix='.sh', delete=False) as f:
-            f.write(f"""#!/bin/bash
-PUBLIC_DIR="/shared"
-username="{username}"
-export DISPLAY=:{index}
-
-echo "启动 VNC 服务"
-sudo su - "$username" -c "vncserver :{index} -geometry 1280x800 -depth 24 -localhost no"
-sudo su - "$username" -c "export DISPLAY=:{index} && xhost +" 2>/dev/null
-sleep 3
-
-cd $PUBLIC_DIR/learn-spider
-sudo -E ./run.sh
-
-sudo su - "$username" -c "vncserver -kill :{index}" 2>/dev/null
-""")
-            script_path = f.name
-        
-        # 执行脚本
-        os.chmod(script_path, 0o755)
-        
+        # 调用外部 start.sh 脚本，传入 index 作为参数
         process = await asyncio.create_subprocess_exec(
-            script_path,
+            "/home/dgs/vnc-server/start.sh",
+            str(index),
             stdout=asyncio.subprocess.PIPE,
             stderr=asyncio.subprocess.PIPE
         )
-        
         stdout, stderr = await process.communicate()
-        
-        # 清理临时文件
-        os.unlink(script_path)
-        
         if process.returncode == 0:
             return f"✅ 爬虫执行成功\n输出:\n{stdout.decode()}"
         else:
             return f"❌ 爬虫执行失败\n错误:\n{stderr.decode()}"
-            
     except Exception as e:
         return f"❌ 执行出错: {str(e)}"