Merge branch 'feature/snapshot' into dev

src/Hotline.Share/Dtos/Snapshot/RedPackRecordDto.cs

@@ -74,7 +74,7 @@ public class SnapshotRedPackRecordItemsOutDto
     /// <summary>
     /// 发放时间
     /// </summary>
-    public DateTime ReceiveTime { get; set; }
+    public DateTime? ReceiveTime { get; set; }
 
     /// <summary>
     /// 状态