diff --git a/include/rthw.h b/include/rthw.h
index 30820a5c73ac3272bcd09022f3b966cd26cfd586..204f822a6904c9e1af6f66d54a72452d5203a109 100644
--- a/include/rthw.h
+++ b/include/rthw.h
@@ -60,7 +60,7 @@ void rt_hw_show_memory(rt_uint32_t addr, rt_uint32_t size);
 /*
  * exception interfaces
  */
-void rt_hw_exception_install(void (*exception_handle)(void* context));
+void rt_hw_exception_install(rt_err_t (*exception_handle)(void* context));
 
 #ifdef __cplusplus
 }