diff --git a/game-server/app/services/role/rewardService.ts b/game-server/app/services/role/rewardService.ts
index b786eaefa..ecfb61f1e 100644
--- a/game-server/app/services/role/rewardService.ts
+++ b/game-server/app/services/role/rewardService.ts
@@ -418,12 +418,16 @@ export async function getAddJewelInfo(roleId: string, roleName: string, jewel: {
  */
 export function getJewelRandSe(id: number, seid: number) {
     let dicRandom = gameData.randomEffectPool.get(seid)
+    // console.log('#### dicRandom', dicRandom)
     let rand = 0;
     if (dicRandom.id > 0) {
         let randRange = getRandEelmWithWeight(dicRandom.rate);
+        // console.log('#### randRange', randRange)
         let randResult = getRandValueByMinMax(randRange.dic.min, randRange.dic.max, getDecimalCnt(dicRandom.gap));
-        let n = Math.ceil((randResult - dicRandom.Min)/dicRandom.gap);
+        // console.log('#### randResult', randResult)
+        let n = Math.floor((randResult - dicRandom.Min)/dicRandom.gap);
         rand = dicRandom.Min + n * dicRandom.gap;
+        // console.log('#### n', n, rand)
     }
     return new RandSe(id, dicRandom.id, rand);
 }