fix: 修复创建分享接口报错

src/modules/share/repositories/share-participant.repository.ts

@@ -43,7 +43,7 @@ export class ShareParticipantRepository {
     const rows = await this.repository
       .createQueryBuilder('participant')
       .select('participant.shareConfigId', 'shareConfigId')
-      .addSelect('COUNT(participant.id)', 'participantCount')
+      .addSelect('COUNT(*)', 'participantCount')
       .where('participant.shareConfigId IN (:...shareConfigIds)', {
         shareConfigIds,
       })
@@ -55,18 +55,13 @@ export class ShareParticipantRepository {
     );
   }
 
-  async findByShareConfigAndParticipant(
+  async existsByShareConfigAndParticipant(
     shareConfigId: string,
     participantId: string,
-  ): Promise<ShareParticipant | null> {
-    return this.repository.findOne({ where: { shareConfigId, participantId } });
-  }
-
-  create(data: Partial<ShareParticipant>): ShareParticipant {
-    return this.repository.create(data);
-  }
-
-  async save(participant: ShareParticipant): Promise<ShareParticipant> {
-    return this.repository.save(participant);
+  ): Promise<boolean> {
+    const count = await this.repository.count({
+      where: { shareConfigId, participantId },
+    });
+    return count > 0;
   }
 }