diff --git a/server/wheelserver/api/v1/activity/activity.go b/server/wheelserver/api/v1/activity/activity.go
index 2dc179ed..68883178 100644
--- a/server/wheelserver/api/v1/activity/activity.go
+++ b/server/wheelserver/api/v1/activity/activity.go
@@ -55,10 +55,8 @@ func (this *ActivityApi) RollDice(c *gin.Context) {
 		Point int32 `json:"point"`
 	}{}
 	rspObj.Point = int32(1 + rand.Intn(6))
-	rspObj.Award = new(vo.Award)
-	rspObj.Award.AddItem(constant.VIRTUAL_ITEM_SCORE, score)
-	rspObj.SideEffect = new(vo.SideEffect)
-	rspObj.SideEffect.User = new(vo.User)
-	rspObj.SideEffect.User.FromModel(user)
+	rspObj.GetOrCreateAward().AddItem(constant.VIRTUAL_ITEM_SCORE, score)
+	rspObj.GetOrCreateSideEffect().User = new(vo.User)
+	rspObj.GetOrCreateSideEffect().User.FromModel(user)
 	c.JSON(200, rspObj)
 }