diff --git a/arch/arm/cortex-m3/keil/los_interrupt.c b/arch/arm/cortex-m3/keil/los_interrupt.c
index 41f3544f..e5c1f50d 100644
--- a/arch/arm/cortex-m3/keil/los_interrupt.c
+++ b/arch/arm/cortex-m3/keil/los_interrupt.c
@@ -47,7 +47,7 @@ UINT32 g_intCount = 0;
 #ifdef __ICCARM__
 #pragma location = ".data.vector"
 #elif defined(__CC_ARM) || defined(__GNUC__)
-#pragma data_alignment=0x100
+#pragma data_alignment=LOSCFG_ARCH_HWI_VECTOR_ALIGN
 LITE_OS_SEC_VEC
 #endif
 /* *
diff --git a/arch/arm/cortex-m33/gcc/NTZ/los_interrupt.c b/arch/arm/cortex-m33/gcc/NTZ/los_interrupt.c
index f0378c8f..c5835fbd 100755
--- a/arch/arm/cortex-m33/gcc/NTZ/los_interrupt.c
+++ b/arch/arm/cortex-m33/gcc/NTZ/los_interrupt.c
@@ -49,7 +49,7 @@ UINT32 g_intCount = 0;
  * @ingroup los_hwi
  * Hardware interrupt form mapping handling function array.
  */
-STATIC HWI_PROC_FUNC __attribute__((aligned(0x100))) g_hwiForm[OS_VECTOR_CNT] = {0};
+STATIC HWI_PROC_FUNC __attribute__((aligned(LOSCFG_ARCH_HWI_VECTOR_ALIGN))) g_hwiForm[OS_VECTOR_CNT] = {0};
 
 #if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
 
diff --git a/arch/arm/cortex-m33/gcc/TZ/non_secure/los_interrupt.c b/arch/arm/cortex-m33/gcc/TZ/non_secure/los_interrupt.c
index f0378c8f..c5835fbd 100755
--- a/arch/arm/cortex-m33/gcc/TZ/non_secure/los_interrupt.c
+++ b/arch/arm/cortex-m33/gcc/TZ/non_secure/los_interrupt.c
@@ -49,7 +49,7 @@ UINT32 g_intCount = 0;
  * @ingroup los_hwi
  * Hardware interrupt form mapping handling function array.
  */
-STATIC HWI_PROC_FUNC __attribute__((aligned(0x100))) g_hwiForm[OS_VECTOR_CNT] = {0};
+STATIC HWI_PROC_FUNC __attribute__((aligned(LOSCFG_ARCH_HWI_VECTOR_ALIGN))) g_hwiForm[OS_VECTOR_CNT] = {0};
 
 #if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
 
diff --git a/arch/arm/cortex-m33/iar/NTZ/los_interrupt.c b/arch/arm/cortex-m33/iar/NTZ/los_interrupt.c
index b12bb5ac..0477c509 100644
--- a/arch/arm/cortex-m33/iar/NTZ/los_interrupt.c
+++ b/arch/arm/cortex-m33/iar/NTZ/los_interrupt.c
@@ -46,7 +46,7 @@ UINT32 g_intCount = 0;
 
 /*lint -restore*/
 #pragma location = ".data.vector"
-#pragma data_alignment=0x100
+#pragma data_alignment=LOSCFG_ARCH_HWI_VECTOR_ALIGN
 /* *
  * @ingroup los_hwi
  * hardware interrupt form mapping handling function array.
diff --git a/arch/arm/cortex-m33/iar/TZ/non_secure/los_interrupt.c b/arch/arm/cortex-m33/iar/TZ/non_secure/los_interrupt.c
index b12bb5ac..0477c509 100644
--- a/arch/arm/cortex-m33/iar/TZ/non_secure/los_interrupt.c
+++ b/arch/arm/cortex-m33/iar/TZ/non_secure/los_interrupt.c
@@ -46,7 +46,7 @@ UINT32 g_intCount = 0;
 
 /*lint -restore*/
 #pragma location = ".data.vector"
-#pragma data_alignment=0x100
+#pragma data_alignment=LOSCFG_ARCH_HWI_VECTOR_ALIGN
 /* *
  * @ingroup los_hwi
  * hardware interrupt form mapping handling function array.
diff --git a/arch/arm/cortex-m4/gcc/los_interrupt.c b/arch/arm/cortex-m4/gcc/los_interrupt.c
index 7aa9f794..b1eea747 100644
--- a/arch/arm/cortex-m4/gcc/los_interrupt.c
+++ b/arch/arm/cortex-m4/gcc/los_interrupt.c
@@ -44,17 +44,12 @@
 UINT32 g_intCount = 0;
 
 /*lint -restore*/
-#ifdef __ICCARM__
-#pragma location = ".data.vector"
-#pragma data_alignment=0x100
-#elif defined(__CC_ARM) || defined(__GNUC__)
-LITE_OS_SEC_VEC
-#endif
+
 /* *
  * @ingroup los_hwi
  * Hardware interrupt form mapping handling function array.
  */
-STATIC HWI_PROC_FUNC __attribute__((aligned(0x100))) g_hwiForm[OS_VECTOR_CNT] = {0};
+STATIC HWI_PROC_FUNC __attribute__((aligned(LOSCFG_ARCH_HWI_VECTOR_ALIGN))) g_hwiForm[OS_VECTOR_CNT] = {0};
 
 #if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
 
diff --git a/arch/arm/cortex-m4/iar/los_interrupt.c b/arch/arm/cortex-m4/iar/los_interrupt.c
index fa60e5be..921f98d2 100644
--- a/arch/arm/cortex-m4/iar/los_interrupt.c
+++ b/arch/arm/cortex-m4/iar/los_interrupt.c
@@ -47,7 +47,7 @@ UINT32 g_intCount = 0;
 /*lint -restore*/
 #ifdef __ICCARM__
 #pragma location = ".data.vector"
-#pragma data_alignment=0x100
+#pragma data_alignment=LOSCFG_ARCH_HWI_VECTOR_ALIGN
 #elif defined(__CC_ARM) || defined(__GNUC__)
 LITE_OS_SEC_VEC
 #endif
diff --git a/arch/arm/cortex-m7/gcc/los_interrupt.c b/arch/arm/cortex-m7/gcc/los_interrupt.c
index 65c55774..46a99401 100644
--- a/arch/arm/cortex-m7/gcc/los_interrupt.c
+++ b/arch/arm/cortex-m7/gcc/los_interrupt.c
@@ -49,7 +49,7 @@ UINT32 g_intCount = 0;
  * @ingroup los_hwi
  * Hardware interrupt form mapping handling function array.
  */
-STATIC HWI_PROC_FUNC __attribute__((aligned(0x100))) g_hwiForm[OS_VECTOR_CNT] = {0};
+STATIC HWI_PROC_FUNC __attribute__((aligned(LOSCFG_ARCH_HWI_VECTOR_ALIGN))) g_hwiForm[OS_VECTOR_CNT] = {0};
 
 #if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
 
diff --git a/arch/arm/cortex-m7/iar/los_interrupt.c b/arch/arm/cortex-m7/iar/los_interrupt.c
index 99f207e4..5d2bd6ee 100644
--- a/arch/arm/cortex-m7/iar/los_interrupt.c
+++ b/arch/arm/cortex-m7/iar/los_interrupt.c
@@ -46,7 +46,7 @@ UINT32 g_intCount = 0;
 
 /*lint -restore*/
 #pragma location = ".data.vector"
-#pragma data_alignment=0x100
+#pragma data_alignment=LOSCFG_ARCH_HWI_VECTOR_ALIGN
 /* *
  * @ingroup los_hwi
  * Hardware interrupt form mapping handling function array.
diff --git a/arch/xtensa/lx6/gcc/los_interrupt.c b/arch/xtensa/lx6/gcc/los_interrupt.c
index 6cd2879f..05aebef8 100644
--- a/arch/xtensa/lx6/gcc/los_interrupt.c
+++ b/arch/xtensa/lx6/gcc/los_interrupt.c
@@ -48,7 +48,7 @@ UINT32 g_intCount = 0;
  * @ingroup los_hwi
  * Hardware interrupt form mapping handling function array.
  */
-STATIC HWI_PROC_FUNC __attribute__((aligned(0x100))) g_hwiForm[OS_VECTOR_CNT] = {0};
+STATIC HWI_PROC_FUNC __attribute__((aligned(LOSCFG_ARCH_HWI_VECTOR_ALIGN))) g_hwiForm[OS_VECTOR_CNT] = {0};
 
 #if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
 
diff --git a/kernel/include/los_config.h b/kernel/include/los_config.h
index 9f81f09a..43993749 100644
--- a/kernel/include/los_config.h
+++ b/kernel/include/los_config.h
@@ -631,6 +631,14 @@ extern UINT8 *m_aucSysMem0;
 #define LOSCFG_PLATFORM_HWI_WITH_ARG                       0
 #endif
 
+/**
+ * @ingroup los_config
+ * Configuration item to set interrupt vector align size.
+ */
+#ifndef LOSCFG_ARCH_HWI_VECTOR_ALIGN
+#define LOSCFG_ARCH_HWI_VECTOR_ALIGN                         0x100
+#endif
+
 #ifdef __cplusplus
 #if __cplusplus
 }