diff --git a/alpha/alpha-benchmark/src/main/java/org/apache/servicecomb/pack/alpha/benchmark/SagaEventBenchmark.java b/alpha/alpha-benchmark/src/main/java/org/apache/servicecomb/pack/alpha/benchmark/SagaEventBenchmark.java
index e73ad9d..ab8f6ad 100644
--- a/alpha/alpha-benchmark/src/main/java/org/apache/servicecomb/pack/alpha/benchmark/SagaEventBenchmark.java
+++ b/alpha/alpha-benchmark/src/main/java/org/apache/servicecomb/pack/alpha/benchmark/SagaEventBenchmark.java
@@ -118,7 +118,7 @@
       try {
         end.await();
       } catch (InterruptedException e) {
-        e.printStackTrace();
+          LOG.error("warmUp Exception = [{}]", e.getMessage(), e);
       }
     }