diff --git a/RBcore/drv_interface.c b/RBcore/drv_interface.c
index e2b414d..7262078 100644
--- a/RBcore/drv_interface.c
+++ b/RBcore/drv_interface.c
@@ -267,7 +267,7 @@ void Drv_InterfaceInit(void)
 
 	const osThreadAttr_t Custom_attributes = {
 		.name = MODULE_NAME_CUSTOM,
-		.stack_size = 2 * 1024,
+		.stack_size = 2048,
 		.priority = (osPriority_t) osPriorityRealtime1,
 	};
 	(void)osThreadNew(Custom_Task, NULL, &Custom_attributes);
@@ -275,7 +275,7 @@ void Drv_InterfaceInit(void)
 	// 创建电机任务
 	const osThreadAttr_t motor_task_attributes = {
 		.name = MODULE_NAME_MOTOR,
-		.stack_size = 1024,
+		.stack_size = 2048,
 		.priority = (osPriority_t) osPriorityRealtime1,
 	};
 	(void)osThreadNew(MotorTask, NULL, &motor_task_attributes);