diff --git a/server/wheelserver/api/v1/activity/activity.go b/server/wheelserver/api/v1/activity/activity.go
index 31253750..d0724e09 100644
--- a/server/wheelserver/api/v1/activity/activity.go
+++ b/server/wheelserver/api/v1/activity/activity.go
@@ -6,6 +6,7 @@ import (
 	"main/common"
 	"main/vo"
 	"main/model"
+	"main/mt"
 	"github.com/gin-gonic/gin"
 )
 
@@ -38,5 +39,10 @@ func (this *ActivityApi) RollDice(c *gin.Context) {
 		vo.BaseVo
 		Point int32 `json:"point"`
 	}{}
+	rewardMeta := mt.Table.Reward.RandElement()
+	if rewardMeta == nil {
+		f5.RspErr(c, 500, "server internal error")
+		return
+	}
 	c.JSON(200, rspObj)
 }