diff --git a/shared/db/Jewel.ts b/shared/db/Jewel.ts
index 2a4841cc1..8764317ce 100644
--- a/shared/db/Jewel.ts
+++ b/shared/db/Jewel.ts
@@ -91,6 +91,7 @@ export default class Jewel extends BaseModel {
 
         const doc = new JewelModel();
         const update = Object.assign(doc.toJSON(), seqId, jewelInfo);
+        delete update._id;
         const jewel: JewelType = await JewelModel.findOneAndUpdate({ seqId }, update, { upsert: true, new: true }).lean();
         if (jewelInfo.hid > 0) {
             await HeroModel.findOneAndUpdate(