diff --git a/shared/db/Jewel.ts b/shared/db/Jewel.ts
index 323ddf06b..88aeb2c31 100644
--- a/shared/db/Jewel.ts
+++ b/shared/db/Jewel.ts
@@ -16,6 +16,8 @@ export class RandSe {
     @prop({ required: true })
     rand: number;					// 随机属性内需要随机的值
     @prop({ required: true })
+    preRand?: number;					// 淬炼失败的是随机出的值
+    @prop({ required: true })
     locked: boolean = false;				// 洗炼是否锁定
 
     @prop({ required: false, default: false })
@@ -132,7 +134,7 @@ export default class Jewel extends BaseModel {
             let result: JewelType = await JewelModel.findOneAndUpdate({ seqId, 'randSe.quenched': true }, { $set: { 'randSe.$.rand': rand } }, { new: true }).lean();
             return result;
         } else {
-            let result: JewelType = await JewelModel.findOneAndUpdate({ seqId, 'randSe.quenched': true }, { $inc: { 'randSe.$.quenchCnt': 1 } }, { new: true }).lean();
+            let result: JewelType = await JewelModel.findOneAndUpdate({ seqId, 'randSe.quenched': true }, { $inc: { 'randSe.$.quenchCnt': 1 }, $set: { 'randSe.$.preRand': rand } }, { new: true }).lean();
             return result;
         }
     }