diff --git a/APP_Framework/Applications/benchmark/support/benchmark.c b/APP_Framework/Applications/benchmark/support/benchmark.c
index 8ad9790e3..b9dcbfbaa 100644
--- a/APP_Framework/Applications/benchmark/support/benchmark.c
+++ b/APP_Framework/Applications/benchmark/support/benchmark.c
@@ -142,7 +142,7 @@ void *run_benchmark_parallel(void *args) {
 
   case_attr.schedparam.sched_priority = 30;
   case_attr.stacksize = 16384;
-  PrivSemaphoreCreate(&syn_sem, 0, -20);
+  PrivSemaphoreCreate(&syn_sem, 0, -21);
   PrivMutexCreate(&case_mu, 0);
 
   benchmark_handle *cur_handle = head.next;
@@ -175,6 +175,7 @@ void *run_benchmark_sequential(void *args) {
   benchmark_handle *cur_handle = head.next;
   while (NULL != cur_handle) {
     assert(cur_handle->handle.magic_number != MAGIC_NUMBER);
+    printf("[Benchmark] Run Task\n");
     clock_t start_time = 0, end_time = 0;
     cur_handle->handle.benchmark_func->initialise_benchmark();
     cur_handle->handle.benchmark_func->warm_caches(WARMUP_HEAT);