1、修改后台首页团队消耗没有算回退的数据

2、修改前台团队积分不可以下载回退积分的数据

video-gen-api/app/services/admin_credit_record_service.py

@@ -59,7 +59,9 @@ def _as_date_start(value: str | None) -> datetime | None:
     if not value:
         return None
     try:
-        return datetime.strptime(value, "%Y-%m-%d")
+        # 构造东八区 00:00:00 与 DB timezone-aware created_at 比较，避免 8 小时偏移
+        naive = datetime.strptime(value, "%Y-%m-%d")
+        return naive.replace(tzinfo=CST)
     except Exception:
         return None
 
@@ -68,7 +70,11 @@ def _as_date_end(value: str | None) -> datetime | None:
     if not value:
         return None
     try:
-        return datetime.strptime(value, "%Y-%m-%d").replace(hour=23, minute=59, second=59, microsecond=999999)
+        # 构造东八区 23:59:59.999999
+        naive = datetime.strptime(value, "%Y-%m-%d").replace(
+            hour=23, minute=59, second=59, microsecond=999999,
+        )
+        return naive.replace(tzinfo=CST)
     except Exception:
         return None
 
@@ -250,7 +256,9 @@ async def list_admin_credit_records(
     end_date: str | None = None,
 ) -> dict[str, Any]:
     page = max(int(page or 1), 1)
-    page_size = min(max(int(page_size or 20), 1), 1000)
+    # 列表页默认最多 1000 条；导出接口可传较大值（最多 100000 条），避免月度导出被截断
+    max_page_size = 100000 if page_size is not None and int(page_size) > 1000 else 1000
+    page_size = min(max(int(page_size or 20), 1), max_page_size)
     filters = _build_filters(
         user_id=user_id,
         user_name=user_name,