fix bug

py-client/sdk/portfolio.py

@@ -2,7 +2,7 @@ from __future__ import annotations
 
 from typing import Any
 
-from .models import Assets, OrderItem, Portfolio, PositionItem
+from .models import Assets, DealItem, OrderItem, Portfolio, PositionItem
 
 
 class PortfolioMixin:
@@ -41,9 +41,9 @@ class PortfolioMixin:
         data = self._get_json("/api/portfolio/order") or []
         return [OrderItem.from_trade_detail(row) for row in data]
 
-    def deals(self) -> list[dict[str, Any]]:
-        data = self._get_json("/api/portfolio/deal") or {}
-        return data.get("deals", [])
+    def deals(self) -> list[DealItem]:
+        """查询原始 Deal 成交对象并转换为标准成交记录。"""
+        return [DealItem.from_trade_detail(row) for row in self.org("deal")]
 
     def trade_detail_data(self, datatype: str) -> Any:
         datatype = str(datatype).strip().lower()