diff --git a/backend/services/contribution-service/src/application/services/contribution-calculation.service.ts b/backend/services/contribution-service/src/application/services/contribution-calculation.service.ts
index 9885e6a4..a7121846 100644
--- a/backend/services/contribution-service/src/application/services/contribution-calculation.service.ts
+++ b/backend/services/contribution-service/src/application/services/contribution-calculation.service.ts
@@ -153,8 +153,12 @@ export class ContributionCalculationService {
     sourceAdoptionId: bigint,
     sourceAccountSequence: string,
   ): Promise<void> {
+    // 收集所有保存后的记录（带ID）用于发布事件
+    const savedRecords: ContributionRecordAggregate[] = [];
+
     // 1. 保存个人算力记录
-    await this.contributionRecordRepository.save(result.personalRecord);
+    const savedPersonalRecord = await this.contributionRecordRepository.save(result.personalRecord);
+    savedRecords.push(savedPersonalRecord);
 
     // 更新个人算力账户
     let account = await this.contributionAccountRepository.findByAccountSequence(
@@ -168,7 +172,8 @@ export class ContributionCalculationService {
 
     // 2. 保存团队层级算力记录
     if (result.teamLevelRecords.length > 0) {
-      await this.contributionRecordRepository.saveMany(result.teamLevelRecords);
+      const savedLevelRecords = await this.contributionRecordRepository.saveMany(result.teamLevelRecords);
+      savedRecords.push(...savedLevelRecords);
 
       // 更新各上线的算力账户
       for (const record of result.teamLevelRecords) {
@@ -184,7 +189,8 @@ export class ContributionCalculationService {
 
     // 3. 保存团队奖励算力记录
     if (result.teamBonusRecords.length > 0) {
-      await this.contributionRecordRepository.saveMany(result.teamBonusRecords);
+      const savedBonusRecords = await this.contributionRecordRepository.saveMany(result.teamBonusRecords);
+      savedRecords.push(...savedBonusRecords);
 
       // 更新直接上线的算力账户
       for (const record of result.teamBonusRecords) {
@@ -233,23 +239,19 @@ export class ContributionCalculationService {
       }
     }
 
-    // 6. 发布算力记录同步事件（用于 mining-admin-service）
-    await this.publishContributionRecordEvents(result);
+    // 6. 发布算力记录同步事件（用于 mining-admin-service）- 使用保存后带 ID 的记录
+    await this.publishContributionRecordEvents(savedRecords);
   }
 
   /**
    * 发布算力记录同步事件
    */
   private async publishContributionRecordEvents(
-    result: ContributionDistributionResult,
+    savedRecords: ContributionRecordAggregate[],
   ): Promise<void> {
-    const allRecords: ContributionRecordAggregate[] = [
-      result.personalRecord,
-      ...result.teamLevelRecords,
-      ...result.teamBonusRecords,
-    ];
+    if (savedRecords.length === 0) return;
 
-    const events = allRecords.map((record) => {
+    const events = savedRecords.map((record) => {
       const event = new ContributionRecordSyncedEvent(
         record.id!,
         record.accountSequence,
@@ -276,9 +278,7 @@ export class ContributionCalculationService {
       };
     });
 
-    if (events.length > 0) {
-      await this.outboxRepository.saveMany(events);
-    }
+    await this.outboxRepository.saveMany(events);
   }
 
   /**
diff --git a/backend/services/contribution-service/src/domain/repositories/contribution-record.repository.interface.ts b/backend/services/contribution-service/src/domain/repositories/contribution-record.repository.interface.ts
index 44455503..ee1cac96 100644
--- a/backend/services/contribution-service/src/domain/repositories/contribution-record.repository.interface.ts
+++ b/backend/services/contribution-service/src/domain/repositories/contribution-record.repository.interface.ts
@@ -13,7 +13,7 @@ export interface IContributionRecordRepository {
   /**
    * 批量保存
    */
-  saveMany(records: ContributionRecordAggregate[], tx?: any): Promise<void>;
+  saveMany(records: ContributionRecordAggregate[], tx?: any): Promise<ContributionRecordAggregate[]>;
 
   /**
    * 根据账户序列号查找
diff --git a/backend/services/contribution-service/src/infrastructure/persistence/repositories/contribution-record.repository.ts b/backend/services/contribution-service/src/infrastructure/persistence/repositories/contribution-record.repository.ts
index 51223534..66170919 100644
--- a/backend/services/contribution-service/src/infrastructure/persistence/repositories/contribution-record.repository.ts
+++ b/backend/services/contribution-service/src/infrastructure/persistence/repositories/contribution-record.repository.ts
@@ -99,17 +99,22 @@ export class ContributionRecordRepository implements IContributionRecordReposito
     return this.toDomain(result);
   }
 
-  async saveMany(aggregates: ContributionRecordAggregate[], tx?: any): Promise<void> {
-    if (aggregates.length === 0) return;
+  async saveMany(aggregates: ContributionRecordAggregate[], tx?: any): Promise<ContributionRecordAggregate[]> {
+    if (aggregates.length === 0) return [];
 
     const client = tx ?? this.client;
-    // 使用事务批量插入
-    const createData = aggregates.map((a) => a.toPersistence());
 
-    await client.contributionRecord.createMany({
-      data: createData,
-      skipDuplicates: true,
-    });
+    // 逐个创建以获取返回的 ID
+    const results: ContributionRecordAggregate[] = [];
+    for (const aggregate of aggregates) {
+      const data = aggregate.toPersistence();
+      const result = await client.contributionRecord.create({
+        data,
+      });
+      results.push(this.toDomain(result));
+    }
+
+    return results;
   }
 
   async findExpiring(beforeDate: Date, limit?: number): Promise<ContributionRecordAggregate[]> {