diff --git a/app/admin/repositories/cps.py b/app/admin/repositories/cps.py
index b678c38..419c62f 100644
--- a/app/admin/repositories/cps.py
+++ b/app/admin/repositories/cps.py
@@ -51,7 +51,27 @@ def _yuan_to_cents(v: object) -> int | None:
 
 def _ts_to_dt(ts: object) -> datetime | None:
     """秒级时间戳 → tz-aware UTC datetime(绝对时刻,前端按北京展示)。"""
-    if not ts:
+    if ts is None:
+        return None
+    if isinstance(ts, datetime):
+        return ts if ts.tzinfo else ts.replace(tzinfo=_BJ_TZ).astimezone(timezone.utc)
+    s = str(ts).strip()
+    if not s or s.lower() == "null":
+        return None
+    try:
+        seconds = float(Decimal(s))
+    except (InvalidOperation, ValueError):
+        return None
+    if seconds == 0:
+        return None
+    # 美团文档是秒级时间戳，这里顺手兼容毫秒/微秒，避免上游格式变化导致时间再次落空。
+    if abs(seconds) > 10_000_000_000_000:
+        seconds /= 1_000_000
+    elif abs(seconds) > 10_000_000_000:
+        seconds /= 1_000
+    try:
+        return datetime.fromtimestamp(seconds, tz=timezone.utc)
+    except (OverflowError, OSError, ValueError):
         return None
 
 
@@ -83,10 +103,6 @@ def _pick(row: dict[str, Any], *keys: str) -> Any:
         if key in row and row[key] is not None:
             return row[key]
     return None
-    try:
-        return datetime.fromtimestamp(int(ts), tz=timezone.utc)
-    except (ValueError, OSError, TypeError):
-        return None
 
 
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