diff --git a/app/api/v1/device.py b/app/api/v1/device.py
index cf53930..20fc4b7 100644
--- a/app/api/v1/device.py
+++ b/app/api/v1/device.py
@@ -29,8 +29,12 @@ from app.schemas.device import (
 
 logger = logging.getLogger("shagua.device")
 
-# PoC:源平台代号 → Android 包名(前端 launch 用)。当前只用美团。
-_SOURCE_PACKAGES = {"meituan": "com.sankuai.meituan"}
+# PoC:源平台代号 → Android 包名(前端 launch 用)。poller 按分享的小程序卡区分平台。
+# 客户端只认 source_package:用它反查平台名(弹窗"原平台")+ launch 对应 App,故新增平台只需在此登记包名。
+_SOURCE_PACKAGES = {
+    "meituan": "com.sankuai.meituan",
+    "jd": "com.jingdong.app.mall",  # 京东主 App(含京东秒送/外卖),后端 intent skill=jd_waimai
+}
 
 router = APIRouter(prefix="/api/v1/device", tags=["device"])
 
diff --git a/scripts/wx_finance_poller.py b/scripts/wx_finance_poller.py
index f3f7083..864d849 100644
--- a/scripts/wx_finance_poller.py
+++ b/scripts/wx_finance_poller.py
@@ -10,6 +10,7 @@
 """
 from __future__ import annotations
 
+import json
 import logging
 import signal
 import time
@@ -62,6 +63,25 @@ def _notify(client: httpx.Client, source: str, kind: str) -> None:
         logger.exception("notify app-server 失败")
 
 
+def _resolve_source(msg: dict) -> str:
+    """从 weapp 小程序卡判源平台代号(= app-server _SOURCE_PACKAGES 的 key)。
+
+    会话存档 weapp 结构里 username(gh_id)/appid/pagepath/title 任一含平台特征即判定:
+    先按关键词启发式(覆盖大多数);认不出 → 默认 meituan(过渡期不阻断)+ WARNING,
+    并把整个 weapp 结构打进日志,便于照真实 username/appid 精确补规则。
+    """
+    weapp = msg.get("weapp") or {}
+    blob = json.dumps(weapp, ensure_ascii=False).lower()
+    # 排障日志:打全 weapp 结构(顺带 msg 顶层 key,防结构不在 weapp 下),便于补/改判定规则
+    logger.info("weapp 判源: msg_keys=%s weapp=%s", list(msg.keys()), blob[:1500])
+    if any(k in blob for k in ("jingdong", "jd.com", "jddj", "京东")):
+        return "jd"
+    if any(k in blob for k in ("meituan", "sankuai", "美团")):
+        return "meituan"
+    logger.warning("weapp 源平台未识别, 暂默认 meituan;见上一行结构日志补 _resolve_source 规则")
+    return "meituan"
+
+
 def _handle(client: httpx.Client, msg: dict) -> None:
     """明文消息:外部用户(from≠接收成员)发来的 weapp/image → 通知 app-server 打信号。"""
     msgtype = msg.get("msgtype") or ""
@@ -71,8 +91,10 @@ def _handle(client: httpx.Client, msg: dict) -> None:
         return  # 成员自己发的, 跳过
     if msgtype not in ("weapp", "image"):
         return
-    logger.info("命中触发 from=%s type=%s", frm, msgtype)
-    _notify(client, "meituan", msgtype)
+    # weapp 卡片按小程序判源平台;image(截图)判不出平台,沿用 meituan。
+    source = _resolve_source(msg) if msgtype == "weapp" else "meituan"
+    logger.info("命中触发 from=%s type=%s source=%s", frm, msgtype, source)
+    _notify(client, source, msgtype)
 
 
 def main() -> None: