修改订单查询接口逻辑、前台页面增加刷新页面订单消失问题，调整后台支付账单页面数据问题

video-gen-api/app/api/v1/admin.py

@@ -448,6 +448,13 @@ async def get_payment_stats(
     """Return payment statistics for admin dashboard."""
     from sqlalchemy import func
 
+    # Ensure by_status has all expected statuses with defaults
+    by_status = {
+        "pending": {"count": 0, "amount": 0.0},
+        "paid": {"count": 0, "amount": 0.0},
+        "cancelled": {"count": 0, "amount": 0.0},
+    }
+
     # Status breakdown
     status_result = await db.execute(
         select(
@@ -456,12 +463,22 @@ async def get_payment_stats(
             func.coalesce(func.sum(PaymentOrder.amount), 0).label("amount"),
         ).group_by(PaymentOrder.status)
     )
-    by_status = {}
     for row in status_result.all():
-        by_status[row.status] = {"count": row.count, "amount": round(float(row.amount), 2)}
+        if row.status in by_status:
+            by_status[row.status] = {
+                "count": row.count,
+                "amount": round(float(row.amount), 2)
+            }
+        else:
+            # Map any unexpected status to cancelled
+            by_status["cancelled"]["count"] += row.count
+            by_status["cancelled"]["amount"] += round(float(row.amount), 2)
 
-    # Today's stats
-    today_start = datetime.now().replace(hour=0, minute=0, second=0, microsecond=0)
+    # Today's stats (CST time zone)
+    now_cst = datetime.now(CST)
+    today_start = now_cst.replace(hour=0, minute=0, second=0, microsecond=0)
+    today_end = today_start + timedelta(days=1)
+    
     today_result = await db.execute(
         select(
             func.count().label("paid_count"),
@@ -469,6 +486,7 @@ async def get_payment_stats(
         ).where(
             PaymentOrder.status == "paid",
             PaymentOrder.paid_at >= today_start,
+            PaymentOrder.paid_at < today_end,
         )
     )
     today_row = today_result.one()
@@ -495,7 +513,7 @@ async def get_payment_stats(
                 "amount": round(o.amount, 2),
                 "credits": round(o.credits, 2),
                 "payment_method": o.payment_method,
-                "status": o.status,
+                "status": o.status if o.status in ("pending", "paid", "cancelled") else "cancelled",
                 "trade_no": o.trade_no,
                 "paid_at": _iso(o.paid_at),
                 "created_at": _iso(o.created_at),
@@ -547,7 +565,7 @@ async def get_admin_payment_orders(
                 "amount": round(o.amount, 2),
                 "credits": round(o.credits, 2),
                 "payment_method": o.payment_method,
-                "status": o.status,
+                "status": o.status if o.status in ("pending", "paid", "cancelled") else "cancelled",
                 "trade_no": o.trade_no,
                 "paid_at": _iso(o.paid_at),
                 "created_at": _iso(o.created_at),