diff --git a/APP_Framework/Applications/benchmark/support/benchmark.c b/APP_Framework/Applications/benchmark/support/benchmark.c
index 0bdc2d0ef..3ba48cae3 100644
--- a/APP_Framework/Applications/benchmark/support/benchmark.c
+++ b/APP_Framework/Applications/benchmark/support/benchmark.c
@@ -143,7 +143,7 @@ pthread_t benchmark_task;
 static int embenchmark(void) {
   pthread_attr_t attr;
   attr.schedparam.sched_priority = 25;
-  attr.stacksize = 5120;
+  attr.stacksize = 8192;
 
   PrivTaskCreate(&benchmark_task, &attr, run_benchmark, NULL);
   // run_benchmark(NULL);
diff --git a/Ubiquitous/XiZi_IIoT/board/xidatong-riscv64/link.lds b/Ubiquitous/XiZi_IIoT/board/xidatong-riscv64/link.lds
index 6026a8d94..3774c1519 100644
--- a/Ubiquitous/XiZi_IIoT/board/xidatong-riscv64/link.lds
+++ b/Ubiquitous/XiZi_IIoT/board/xidatong-riscv64/link.lds
@@ -10,7 +10,7 @@
 * See the Mulan PSL v2 for more details.
 */
 
-__STACKSIZE__ = 5120;
+__STACKSIZE__ = 8192;
 OUTPUT_ARCH( "riscv" )
 MEMORY
 {