修复一些问题

Utils/ThreadManager.py

@@ -1,5 +1,6 @@
 import threading
-from typing import Dict, Tuple
+from concurrent.futures import ThreadPoolExecutor, as_completed
+from typing import Dict, Tuple, List
 from Utils.LogManager import LogManager
 
 
@@ -64,6 +65,37 @@ class ThreadManager:
             LogManager.method_info(f"设备 {udid} 的任务停止成功", method="task")
             return 200, f"当前任务停止成功 {udid}"
 
+    @classmethod
+    def batch_stop(cls, udids: List[str]) -> Tuple[int, List[str], str]:
+        """
+        批量停止任务，使用多线程并发执行。
+        :param udids: 待停止的设备唯一标识列表
+        :return: (code, fail_list, msg)
+                 code=200  全部成功，fail_list=[]
+                 code=1001 部分/全部失败，fail_list 为失败描述字符串列表
+        """
+        if not udids:
+            return 200, [], "无设备需要停止"
+
+        fail_list: List[str] = []
+
+        with ThreadPoolExecutor(max_workers=min(32, len(udids))) as executor:
+            future_map = {executor.submit(cls.stop, udid): udid for udid in udids}
+
+            for future in as_completed(future_map):
+                udid = future_map[future]
+                try:
+                    code, reason = future.result()
+                    if code != 200:
+                        fail_list.append(f"设备{udid}停止失败：{reason}")
+                except Exception as exc:
+                    fail_list.append(f"设备{udid}停止异常：{exc}")
+
+        if fail_list:
+            return 1001, fail_list, "停止失败"
+        return 200, [], "全部设备停止成功"
+
+
     @classmethod
     def is_task_running(cls, udid: str) -> bool:
         """