fix: 采集商品页轮询避开慢速前台查询 (#115)

client/src/pdd_collect_service.py

@@ -815,6 +815,11 @@ class PddCollectService:
                 if initial_app_state is not None
                 else device.app_current()
             )
+            package_hint = (
+                PDD_PACKAGE_NAME
+                if current.get("package") == PDD_PACKAGE_NAME
+                else ""
+            )
             before_open = self._read_page_observation(device, current)
             if current.get("package") != PDD_PACKAGE_NAME:
                 stage = trace.stage("pdd_start_or_wait") if trace else nullcontext()
@@ -849,7 +854,6 @@ class PddCollectService:
             last_recorded = ""
             while self._monotonic() < deadline:
                 self._check_cancelled()
-                current = device.app_current()
                 if first_dump and trace is not None:
                     with trace.stage("first_dump_hierarchy"):
                         xml_data = self._dump_hierarchy(device)
@@ -857,9 +861,9 @@ class PddCollectService:
                 else:
                     xml_data = self._dump_hierarchy(device)
                 root = _parse_xml(xml_data)
-                observation = classify_pdd_page(
-                    root, str(current.get("package") or "")
-                )
+                # 部分设备的 app_current() 一次会阻塞十秒以上，并错误报告
+                # 设置页。循环中直接使用最新控件树，PDD 节点包名足以分类。
+                observation = classify_pdd_page(root, package_hint)
                 last_kind = observation.kind
                 if trace is not None and last_kind != last_recorded:
                     trace.record(