diff --git a/APP_Framework/Applications/benchmark/support/benchmark.c b/APP_Framework/Applications/benchmark/support/benchmark.c
index f085741dc..5c2960582 100644
--- a/APP_Framework/Applications/benchmark/support/benchmark.c
+++ b/APP_Framework/Applications/benchmark/support/benchmark.c
@@ -143,10 +143,11 @@ void *run_one_example(void *arg) {
   organize_result(handle, start_time, end_time);
   PrivMutexAbandon(&case_mu);
   done_cnt++;
+#ifdef NUTTX
   if (done_cnt == 22) {
     PrivSemaphoreAbandon(&res_mu);
-    printf("res mu release\n");
   }
+#endif
   // printf("Case done. %d\n", done_cnt);
 }
 
@@ -186,8 +187,8 @@ void *run_benchmark_parallel(void *args) {
   }
   // printf("Create done.\n");
 
-  PrivSemaphoreObtainWait(&res_mu, NULL);
 #ifdef NUTTX
+  PrivSemaphoreObtainWait(&res_mu, NULL);
   case_attr.priority = 64;
   case_attr.stacksize = 16384;
 #else