diff --git a/backend/services/identity-service/src/application/event-handlers/blockchain-wallet.handler.ts b/backend/services/identity-service/src/application/event-handlers/blockchain-wallet.handler.ts
index 30b71a57..87a5dda0 100644
--- a/backend/services/identity-service/src/application/event-handlers/blockchain-wallet.handler.ts
+++ b/backend/services/identity-service/src/application/event-handlers/blockchain-wallet.handler.ts
@@ -161,7 +161,7 @@ export class BlockchainWalletHandler implements OnModuleInit {
         );
       } else {
         this.logger.log(
-          `[STATUS] Status not updated for user: ${userId} (unexpected - completed should always succeed)`,
+          `[STATUS] Status already 'completed' for user: ${userId} (idempotent - event redelivered)`,
         );
       }
 
diff --git a/backend/services/identity-service/src/application/tasks/wallet-retry.task.ts b/backend/services/identity-service/src/application/tasks/wallet-retry.task.ts
index 3b9e3207..f6162a3d 100644
--- a/backend/services/identity-service/src/application/tasks/wallet-retry.task.ts
+++ b/backend/services/identity-service/src/application/tasks/wallet-retry.task.ts
@@ -120,6 +120,9 @@ export class WalletRetryTask {
 
     // 跳过已完成的
     if (currentStatus === 'completed') {
+      this.logger.debug(
+        `[TASK] User ${userId} status is 'completed', skipping`,
+      );
       return;
     }