diff --git a/modules/wtask/modelWTask.go b/modules/wtask/modelWTask.go
index 471e71d8c..095f374a4 100644
--- a/modules/wtask/modelWTask.go
+++ b/modules/wtask/modelWTask.go
@@ -46,6 +46,7 @@ func (this *ModelWTask) getUserWTasks(uid string) (results *pb.DBWTask, err erro
 			Completes:   make([]int32, 0),
 			Groups:      make(map[int32]int32),
 			Boxs:        make(map[int32]*pb.DBWTaskBox),
+			Exchange:    make(map[int32]int32),
 		}
 		err = this.Add(uid, results)
 	}
@@ -61,6 +62,7 @@ func (this *ModelWTask) updateUserWTasks(uid string, data *pb.DBWTask) (err erro
 		"groups":         data.Groups,
 		"boxs":           data.Boxs,
 		"dailytaskgroup": data.Dailytaskgroup,
+		"exchange":       data.Exchange,
 	}); err != nil {
 		this.module.Error("更新用户任务数据 错误!", log.Field{Key: "err", Value: err.Error()})
 		return