修复编辑交易记录时手续费字段报错的问题

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

ft-app/app/routers/trades.py

@@ -119,8 +119,8 @@ def edit_trade(
     open_price: float = Form(...),
     open_fee: float = Form(0.0),
     close_date: str = Form(""),
-    close_price: float = Form(None),
-    close_fee: float = Form(None),
+    close_price: str = Form(""),
+    close_fee: str = Form(""),
     db: Session = Depends(get_db),
 ):
     t = db.query(Trade).filter(Trade.id == trade_id).first()
@@ -133,10 +133,10 @@ def edit_trade(
         t.open_date = date.fromisoformat(open_date)
         t.open_price = open_price
         t.open_fee = open_fee
-        if close_date and close_price is not None:
+        if close_date and close_price:
             t.close_date = date.fromisoformat(close_date)
-            t.close_price = close_price
-            t.close_fee = close_fee or 0
+            t.close_price = float(close_price)
+            t.close_fee = float(close_fee) if close_fee else 0.0
         db.commit()
     return RedirectResponse("/trades/", status_code=303)