feat: 设备型号采集展示（devices 表 model 列+getprop 采集+管理页型号列/采集按钮+监控页兜底）+ fix: 监控页设备列错位（离线标签残留 td）、appver 端点误删恢复、appver 只查在线设备用轻量连接防挂起

core/device_pool.py

@@ -11,8 +11,10 @@
 后台线程（task_manager 等）调用时由本模块自行推 app context，调用方无需关心。
 """
 import time
+import threading
+import subprocess
 
-from config import USB_ADB_HOST, USB_ADB_PORT
+from config import ADB_PATH, USB_ADB_HOST, USB_ADB_PORT
 from core.adb_helper import _adb, _adb_remote
 from core.logger import get_logger
 from core.models import db, Device
@@ -23,9 +25,24 @@ _app = None
 
 
 def init_app(app):
-    """web_server 启动时调用：绑定 Flask app（供后台线程推 db context）。"""
+    """web_server 启动时调用：绑定 Flask app（供后台线程推 db context），
+    并后台刷新一次设备型号（首次启动/设备更换后型号可能变化）。"""
     global _app
     _app = app
+    try:
+        t = threading.Thread(target=_refresh_models_bg, daemon=True)
+        t.start()
+    except Exception:
+        pass
+
+
+def _refresh_models_bg():
+    """后台批量采集在线设备型号（启动时/手动触发）。失败静默，不影响启动。"""
+    time.sleep(3)  # 等服务起来再查
+    try:
+        refresh_all_models()
+    except Exception as e:
+        _log.warning(f"启动型号采集失败（可稍后手动采集）: {e}")
 
 
 def _ctx():
@@ -133,3 +150,64 @@ def set_enabled(serial, enabled):
         d.enabled = enabled
         db.session.commit()
         return True
+
+
+# ================== 型号采集 ==================
+def refresh_model(serial, timeout=8):
+    """采集单台设备型号（getprop ro.product.model）并写回 DB。
+
+    IP:5555 设备走本机 adb；USB 设备先查本机 adb，查不到再查 220 远程 adb server。
+    采集失败返回空串（静默，不影响主流程）。返回采集到的型号。
+    """
+    if not serial:
+        return ""
+    model = ""
+    if ":" in serial:
+        try:
+            r = subprocess.run([ADB_PATH, "-s", serial, "shell",
+                                "getprop", "ro.product.model"],
+                               capture_output=True, timeout=timeout)
+            model = (r.stdout or b"").decode("utf-8", errors="replace").strip()
+        except Exception:
+            model = ""
+    else:
+        # USB：先本机，再远程
+        try:
+            r = subprocess.run([ADB_PATH, "-s", serial, "shell",
+                                "getprop", "ro.product.model"],
+                               capture_output=True, timeout=timeout)
+            model = (r.stdout or b"").decode("utf-8", errors="replace").strip()
+        except Exception:
+            model = ""
+        if not model:
+            model = _adb_remote(USB_ADB_HOST, USB_ADB_PORT, "-s", serial,
+                                "shell", "getprop", "ro.product.model")
+    model = model.strip() or ""
+    if not model:
+        return ""
+    with _ctx():
+        d = Device.query.get(serial)
+        if d and d.model != model:
+            d.model = model
+            db.session.commit()
+            _log.info(f"设备池采集型号: {serial} -> {model}")
+    return model
+
+
+def refresh_all_models():
+    """批量采集池内在线设备的型号（并发 10，后台线程调用）。返回成功数。"""
+    serials = list_online()
+    if not serials:
+        return 0
+    from concurrent.futures import ThreadPoolExecutor, as_completed
+    ok = 0
+    with ThreadPoolExecutor(max_workers=min(10, len(serials))) as pool:
+        futures = {pool.submit(refresh_model, s): s for s in serials}
+        for fut in as_completed(futures):
+            try:
+                if fut.result():
+                    ok += 1
+            except Exception:
+                pass
+    _log.info(f"设备池批量采集型号完成: {ok}/{len(serials)} 台")
+    return ok