diff --git a/APP_Framework/Applications/benchmark/support/benchmark.c b/APP_Framework/Applications/benchmark/support/benchmark.c
index b9dcbfbaa..41518405b 100644
--- a/APP_Framework/Applications/benchmark/support/benchmark.c
+++ b/APP_Framework/Applications/benchmark/support/benchmark.c
@@ -64,8 +64,8 @@ BenchmarkPair bmh_list[] = {
 
 float benchmark_time[25];
 
-extern benchmark_handle *get_benchmark_list();
-extern void add_benchmark_handle(benchmark_handle *head, benchmark_handle *);
+// extern benchmark_handle *get_benchmark_list();
+extern void add_benchmark_handle(benchmark_handle *, benchmark_handle *);
 
 float tmp_diff = 0.0;
 float global_diff = 0.0;
@@ -82,7 +82,7 @@ void init_benchmark_runset(benchmark_handle *head) {
 }
 void organize_result(const benchmark_handle *handle, clock_t start_time,
                      clock_t end_time) {
-  tmp_diff = (float)(end_time - start_time) / TICK_PER_SECOND;
+  tmp_diff = (float)(end_time - start_time) / (10 * TICK_PER_SECOND);
   global_diff += tmp_diff;
   int i = 0;
   while (bmh_list[i].handle != NULL) {
@@ -183,10 +183,12 @@ void *run_benchmark_sequential(void *args) {
     volatile int result = cur_handle->handle.benchmark_func->benchmark();
     stop_trigger(&end_time);
 
+    printf("[Benchmark] End current task\n");
     int correct = cur_handle->handle.benchmark_func->verify_benchmark(result);
     if (!correct) {
       printf("[EmBench] Wrong result!.\n");
     }
+
     organize_result(cur_handle, start_time, end_time);
 
     cur_handle = cur_handle->next;
@@ -199,8 +201,13 @@ static int embenchmark_parallel(void) {
   run_benchmark_parallel(NULL);
   return 0;
 }
+pthread_t sequential_thread;
 static int embenchmark_sequential(void) {
-  run_benchmark_sequential(NULL);
+  case_attr.schedparam.sched_priority = 30;
+  case_attr.stacksize = 16384;
+  PrivTaskCreate(&sequential_thread, &case_attr, run_benchmark_sequential,
+                 NULL);
+
   return 0;
 }
 PRIV_SHELL_CMD_FUNCTION(embenchmark_parallel, run benchmark in parallel,