diff --git a/server/wheelserver/api/v1/activity/activity.go b/server/wheelserver/api/v1/activity/activity.go
index 1f7f13c1..69aef563 100644
--- a/server/wheelserver/api/v1/activity/activity.go
+++ b/server/wheelserver/api/v1/activity/activity.go
@@ -79,6 +79,11 @@ func (this *ActivityApi) RollDice(c *gin.Context) {
 		f5.RspErr(c, 500, "server internal error7")
 		return
 	}
+	gridMeta := mt.Table.MapGrid.GetById(int64(user.CurrGrid + rspObj.Point))
+	if gridMeta == nil {
+		f5.RspErr(c, 500, "server internal error7")
+		return
+	}
 	rspObj.GetOrCreateAward().AddItem(constant.VIRTUAL_ITEM_SCORE, score)
 	rspObj.GetOrCreateSideEffect().GetOrCreateUser().FromModel(user)
 	c.JSON(200, rspObj)