diff --git a/kernel/arch/arm/cortex-m4/gcc/los_interrupt.c b/kernel/arch/arm/cortex-m4/gcc/los_interrupt.c
index a6b6cbba..d4d48132 100644
--- a/kernel/arch/arm/cortex-m4/gcc/los_interrupt.c
+++ b/kernel/arch/arm/cortex-m4/gcc/los_interrupt.c
@@ -58,7 +58,7 @@ LITE_OS_SEC_VEC
  * @ingroup los_hwi
  * hardware interrupt form mapping handling function array.
  */
-STATIC HWI_PROC_FUNC g_hwiForm[OS_VECTOR_CNT] = {0};
+STATIC HWI_PROC_FUNC __attribute__((aligned(0x100))) g_hwiForm[OS_VECTOR_CNT] = {0};
 
 #if (OS_HWI_WITH_ARG == 1)