diff --git a/backend/services/contribution-service/src/infrastructure/kafka/cdc-consumer.service.ts b/backend/services/contribution-service/src/infrastructure/kafka/cdc-consumer.service.ts
index 040a78a2..a8846630 100644
--- a/backend/services/contribution-service/src/infrastructure/kafka/cdc-consumer.service.ts
+++ b/backend/services/contribution-service/src/infrastructure/kafka/cdc-consumer.service.ts
@@ -297,10 +297,12 @@ export class CDCConsumerService implements OnModuleInit, OnModuleDestroy {
       this.sequentialMode = true;
       this.isRunning = true;
 
-      // 开始顺序消费
-      await this.startSequentialConsumption();
+      // 开始顺序消费（后台运行，不阻塞服务启动）
+      this.startSequentialConsumption().catch((error) => {
+        this.logger.error('Sequential consumption failed', error);
+      });
 
-      this.logger.log('CDC consumer started with sequential phase consumption');
+      this.logger.log('CDC consumer started with sequential phase consumption (running in background)');
     } catch (error) {
       this.logger.error('Failed to start CDC consumer', error);
       // 不抛出错误，允许服务在没有 Kafka 的情况下启动（用于本地开发）