diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 7549b82..65da30f 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -5,11 +5,9 @@
   </component>
   <component name="ChangeListManager">
     <list default="true" id="eceeff5e-51c1-459c-a911-d21ec090a423" name="Changes" comment="20250904-初步功能已完成">
-      <change beforePath="$PROJECT_DIR$/.idea/iOSAI.iml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/iOSAI.iml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/.idea/misc.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/misc.xml" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/Entity/DeviceModel.py" beforeDir="false" afterPath="$PROJECT_DIR$/Entity/DeviceModel.py" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/Module/DeviceInfo.py" beforeDir="false" afterPath="$PROJECT_DIR$/Module/DeviceInfo.py" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/Module/FlaskService.py" beforeDir="false" afterPath="$PROJECT_DIR$/Module/FlaskService.py" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
diff --git a/Entity/DeviceModel.py b/Entity/DeviceModel.py
index 8590b2c..d0108bf 100644
--- a/Entity/DeviceModel.py
+++ b/Entity/DeviceModel.py
@@ -15,7 +15,7 @@ class DeviceModel(object):
         self.scale = scale
         # 1 添加 2删除
         self.type = type
-
+        self.ready = False
 
     # 转字典
     def toDict(self):
diff --git a/Module/DeviceInfo.py b/Module/DeviceInfo.py
index 05116b7..52dc466 100644
--- a/Module/DeviceInfo.py
+++ b/Module/DeviceInfo.py
@@ -34,6 +34,9 @@ class Deviceinfo(object):
         self._port_pool: List[int] = []                 # 端口回收池
         self._port_in_use: set[int] = set()             # 正在使用的端口
 
+        # 🔥1. 启动 WDA 健康检查线程
+        threading.Thread(target=self._wda_health_checker, daemon=True).start()
+
         # region iproxy 初始化
         try:
             self.iproxy_path = self._iproxy_path()
@@ -124,7 +127,40 @@ class Deviceinfo(object):
 
             time.sleep(1)
 
-    # endregion
+    # 🔥2. WDA 健康检查
+    def _wda_health_checker(self):
+        while True:
+            time.sleep(1)
+            print(len(self.deviceModelList))
+            with self._lock:
+                online = [m for m in self.deviceModelList if m.ready]  # ← 只检查就绪的
+                print(len(online))
+            for model in online:
+                udid = model.deviceId
+                if not self._wda_ok(udid):
+                    LogManager.warning(f"WDA 异常，重启通道：{udid}", udid)
+                    with self._lock:
+                        self._remove_model(udid)
+                    self.connectDevice(udid)
+
+    # 🔥3. 真正做 health-check 的地方
+    def _wda_ok(self, udid: str) -> bool:
+        """返回 True 表示 WDA 活着，False 表示已死"""
+        try:
+            # 用 2 秒超时快速探测
+            c = wda.USBClient(udid, 8100)
+            # 下面这句就是“xctest launched but check failed” 的触发点
+            # 如果 status 里返回了 WebDriverAgent 运行信息就认为 OK
+            st = c.status()
+            if st.get("state") != "success":
+                return False
+            # 你也可以再苛刻一点，多做一次 /wda/healthcheck
+            # c.http.get("/wda/healthcheck")
+            return True
+        except Exception as e:
+            # 任何异常（连接拒绝、超时、json 解析失败）都认为已死
+            LogManager.error(f"WDA health-check 异常：{e}", udid)
+            return False
 
     # region ===================== 增删改查唯一入口（线程安全） =====================
     def _has_model(self, udid: str) -> bool:
@@ -133,6 +169,7 @@ class Deviceinfo(object):
     def _add_model(self, model: DeviceModel):
         if model.deviceId in self._model_index:
             return  # 防重复
+        model.ready = True
         self.deviceModelList.append(model)
         self._model_index[model.deviceId] = model
         try:
@@ -188,6 +225,7 @@ class Deviceinfo(object):
 
     # region ===================== 端口分配与回收 =====================
     def _alloc_port(self) -> int:
+        print(self.screenProxy)
         if self._port_pool:
             port = self._port_pool.pop()
         else:
@@ -207,9 +245,6 @@ class Deviceinfo(object):
         if not self.is_device_trusted(udid):
             LogManager.warning("设备未信任，跳过 WDA 启动", udid)
             return
-        if self._has_model(udid):
-            LogManager.warning("设备已存在，跳过重复连接", udid)
-            return
 
         try:
             d = wda.USBClient(udid, 8100)