diff --git a/shared/db/BossInstance.ts b/shared/db/BossInstance.ts
index 92613c244..e57bb85f5 100644
--- a/shared/db/BossInstance.ts
+++ b/shared/db/BossInstance.ts
@@ -117,7 +117,7 @@ export default class BossInstance extends BaseModel {
     }
 
     public static async encourage(code: string, count: number, maxCount: number) {
-        const rec: BossInstanceType = await BossInstanceModel.findOneAndUpdate({ code, encourageCnt: { $lte: maxCount - count } }, { $inc: { encourageCnt: count } }).lean();
+        const rec: BossInstanceType = await BossInstanceModel.findOneAndUpdate({ code, encourageCnt: { $lte: maxCount - count } }, { $inc: { encourageCnt: count } }, { new: true }).lean();
         return rec
     }
 }