diff --git a/kernel/arch/arm/cortex-m3/keil/los_arch_interrupt.h b/kernel/arch/arm/cortex-m3/keil/los_arch_interrupt.h
index 3c98b745..485f745a 100644
--- a/kernel/arch/arm/cortex-m3/keil/los_arch_interrupt.h
+++ b/kernel/arch/arm/cortex-m3/keil/los_arch_interrupt.h
@@ -521,25 +521,6 @@ typedef struct TagExcContext {
 typedef VOID (*EXC_PROC_FUNC)(UINT32, EXC_CONTEXT_S *);
 VOID HalExcHandleEntry(UINT32 excType, UINT32 faultAddr, UINT32 pid, EXC_CONTEXT_S *excBufAddr);
 
-/**
- * @ingroup  los_arch_interrupt
- * @brief: Exception initialization.
- *
- * @par Description:
- * This API is used to configure the exception function vector table.
- *
- * @attention:
- * <ul><li>None.</li></ul>
- *
- * @param uwArraySize [IN] Memory size of exception.
- *
- * @retval: None
- * @par Dependency:
- * <ul><li>los_arch_interrupt.h: the header file that contains the API declaration.</li></ul>
- * @see None.
- */
-VOID OsExcInit(VOID);
-
 VOID HalExcNMI(VOID);
 VOID HalExcHardFault(VOID);
 VOID HalExcMemFault(VOID);
diff --git a/kernel/arch/arm/cortex-m33/gcc/NTZ/los_arch_interrupt.h b/kernel/arch/arm/cortex-m33/gcc/NTZ/los_arch_interrupt.h
index dd1b3ed5..0548a4fb 100755
--- a/kernel/arch/arm/cortex-m33/gcc/NTZ/los_arch_interrupt.h
+++ b/kernel/arch/arm/cortex-m33/gcc/NTZ/los_arch_interrupt.h
@@ -521,25 +521,6 @@ typedef struct TagExcContext {
 typedef VOID (*EXC_PROC_FUNC)(UINT32, EXC_CONTEXT_S *);
 VOID HalExcHandleEntry(UINT32 excType, UINT32 faultAddr, UINT32 pid, EXC_CONTEXT_S *excBufAddr);
 
-/**
- * @ingroup  los_arch_interrupt
- * @brief: Exception initialization.
- *
- * @par Description:
- * This API is used to configure the exception function vector table.
- *
- * @attention:
- * <ul><li>None.</li></ul>
- *
- * @param uwArraySize [IN] Memory size of exception.
- *
- * @retval: None
- * @par Dependency:
- * <ul><li>los_arch_interrupt.h: the header file that contains the API declaration.</li></ul>
- * @see None.
- */
-VOID OsExcInit(VOID);
-
 VOID HalExcNMI(VOID);
 VOID HalExcHardFault(VOID);
 VOID HalExcMemFault(VOID);
diff --git a/kernel/arch/arm/cortex-m33/gcc/TZ/non_secure/los_arch_interrupt.h b/kernel/arch/arm/cortex-m33/gcc/TZ/non_secure/los_arch_interrupt.h
index dd1b3ed5..0548a4fb 100755
--- a/kernel/arch/arm/cortex-m33/gcc/TZ/non_secure/los_arch_interrupt.h
+++ b/kernel/arch/arm/cortex-m33/gcc/TZ/non_secure/los_arch_interrupt.h
@@ -521,25 +521,6 @@ typedef struct TagExcContext {
 typedef VOID (*EXC_PROC_FUNC)(UINT32, EXC_CONTEXT_S *);
 VOID HalExcHandleEntry(UINT32 excType, UINT32 faultAddr, UINT32 pid, EXC_CONTEXT_S *excBufAddr);
 
-/**
- * @ingroup  los_arch_interrupt
- * @brief: Exception initialization.
- *
- * @par Description:
- * This API is used to configure the exception function vector table.
- *
- * @attention:
- * <ul><li>None.</li></ul>
- *
- * @param uwArraySize [IN] Memory size of exception.
- *
- * @retval: None
- * @par Dependency:
- * <ul><li>los_arch_interrupt.h: the header file that contains the API declaration.</li></ul>
- * @see None.
- */
-VOID OsExcInit(VOID);
-
 VOID HalExcNMI(VOID);
 VOID HalExcHardFault(VOID);
 VOID HalExcMemFault(VOID);
diff --git a/kernel/arch/arm/cortex-m33/gcc/los_arch_interrupt.h b/kernel/arch/arm/cortex-m33/gcc/los_arch_interrupt.h
index 3c98b745..485f745a 100644
--- a/kernel/arch/arm/cortex-m33/gcc/los_arch_interrupt.h
+++ b/kernel/arch/arm/cortex-m33/gcc/los_arch_interrupt.h
@@ -521,25 +521,6 @@ typedef struct TagExcContext {
 typedef VOID (*EXC_PROC_FUNC)(UINT32, EXC_CONTEXT_S *);
 VOID HalExcHandleEntry(UINT32 excType, UINT32 faultAddr, UINT32 pid, EXC_CONTEXT_S *excBufAddr);
 
-/**
- * @ingroup  los_arch_interrupt
- * @brief: Exception initialization.
- *
- * @par Description:
- * This API is used to configure the exception function vector table.
- *
- * @attention:
- * <ul><li>None.</li></ul>
- *
- * @param uwArraySize [IN] Memory size of exception.
- *
- * @retval: None
- * @par Dependency:
- * <ul><li>los_arch_interrupt.h: the header file that contains the API declaration.</li></ul>
- * @see None.
- */
-VOID OsExcInit(VOID);
-
 VOID HalExcNMI(VOID);
 VOID HalExcHardFault(VOID);
 VOID HalExcMemFault(VOID);
diff --git a/kernel/arch/arm/cortex-m33/iar/NTZ/los_arch_interrupt.h b/kernel/arch/arm/cortex-m33/iar/NTZ/los_arch_interrupt.h
index e02d529c..49e1cfd2 100644
--- a/kernel/arch/arm/cortex-m33/iar/NTZ/los_arch_interrupt.h
+++ b/kernel/arch/arm/cortex-m33/iar/NTZ/los_arch_interrupt.h
@@ -521,25 +521,6 @@ typedef struct TagExcContext {
 typedef VOID (*EXC_PROC_FUNC)(UINT32, EXC_CONTEXT_S *);
 VOID HalExcHandleEntry(UINT32 excType, UINT32 faultAddr, UINT32 pid, EXC_CONTEXT_S *excBufAddr);
 
-/**
- * @ingroup  los_hwi
- * @brief: Exception initialization.
- *
- * @par Description:
- * This API is used to configure the exception function vector table.
- *
- * @attention:
- * <ul><li>None.</li></ul>
- *
- * @param uwArraySize [IN] Memory size of exception.
- *
- * @retval: None
- * @par Dependency:
- * <ul><li>los_hwi.h: the header file that contains the API declaration.</li></ul>
- * @see None.
- */
-VOID OsExcInit(VOID);
-
 VOID HalExcNMI(VOID);
 VOID HalExcHardFault(VOID);
 VOID HalExcMemFault(VOID);
diff --git a/kernel/arch/arm/cortex-m33/iar/TZ/non_secure/los_arch_interrupt.h b/kernel/arch/arm/cortex-m33/iar/TZ/non_secure/los_arch_interrupt.h
index e02d529c..49e1cfd2 100644
--- a/kernel/arch/arm/cortex-m33/iar/TZ/non_secure/los_arch_interrupt.h
+++ b/kernel/arch/arm/cortex-m33/iar/TZ/non_secure/los_arch_interrupt.h
@@ -521,25 +521,6 @@ typedef struct TagExcContext {
 typedef VOID (*EXC_PROC_FUNC)(UINT32, EXC_CONTEXT_S *);
 VOID HalExcHandleEntry(UINT32 excType, UINT32 faultAddr, UINT32 pid, EXC_CONTEXT_S *excBufAddr);
 
-/**
- * @ingroup  los_hwi
- * @brief: Exception initialization.
- *
- * @par Description:
- * This API is used to configure the exception function vector table.
- *
- * @attention:
- * <ul><li>None.</li></ul>
- *
- * @param uwArraySize [IN] Memory size of exception.
- *
- * @retval: None
- * @par Dependency:
- * <ul><li>los_hwi.h: the header file that contains the API declaration.</li></ul>
- * @see None.
- */
-VOID OsExcInit(VOID);
-
 VOID HalExcNMI(VOID);
 VOID HalExcHardFault(VOID);
 VOID HalExcMemFault(VOID);
diff --git a/kernel/arch/arm/cortex-m4/gcc/los_arch_interrupt.h b/kernel/arch/arm/cortex-m4/gcc/los_arch_interrupt.h
index 3c98b745..485f745a 100644
--- a/kernel/arch/arm/cortex-m4/gcc/los_arch_interrupt.h
+++ b/kernel/arch/arm/cortex-m4/gcc/los_arch_interrupt.h
@@ -521,25 +521,6 @@ typedef struct TagExcContext {
 typedef VOID (*EXC_PROC_FUNC)(UINT32, EXC_CONTEXT_S *);
 VOID HalExcHandleEntry(UINT32 excType, UINT32 faultAddr, UINT32 pid, EXC_CONTEXT_S *excBufAddr);
 
-/**
- * @ingroup  los_arch_interrupt
- * @brief: Exception initialization.
- *
- * @par Description:
- * This API is used to configure the exception function vector table.
- *
- * @attention:
- * <ul><li>None.</li></ul>
- *
- * @param uwArraySize [IN] Memory size of exception.
- *
- * @retval: None
- * @par Dependency:
- * <ul><li>los_arch_interrupt.h: the header file that contains the API declaration.</li></ul>
- * @see None.
- */
-VOID OsExcInit(VOID);
-
 VOID HalExcNMI(VOID);
 VOID HalExcHardFault(VOID);
 VOID HalExcMemFault(VOID);
diff --git a/kernel/arch/arm/cortex-m4/iar/los_arch_interrupt.h b/kernel/arch/arm/cortex-m4/iar/los_arch_interrupt.h
index 3c98b745..485f745a 100644
--- a/kernel/arch/arm/cortex-m4/iar/los_arch_interrupt.h
+++ b/kernel/arch/arm/cortex-m4/iar/los_arch_interrupt.h
@@ -521,25 +521,6 @@ typedef struct TagExcContext {
 typedef VOID (*EXC_PROC_FUNC)(UINT32, EXC_CONTEXT_S *);
 VOID HalExcHandleEntry(UINT32 excType, UINT32 faultAddr, UINT32 pid, EXC_CONTEXT_S *excBufAddr);
 
-/**
- * @ingroup  los_arch_interrupt
- * @brief: Exception initialization.
- *
- * @par Description:
- * This API is used to configure the exception function vector table.
- *
- * @attention:
- * <ul><li>None.</li></ul>
- *
- * @param uwArraySize [IN] Memory size of exception.
- *
- * @retval: None
- * @par Dependency:
- * <ul><li>los_arch_interrupt.h: the header file that contains the API declaration.</li></ul>
- * @see None.
- */
-VOID OsExcInit(VOID);
-
 VOID HalExcNMI(VOID);
 VOID HalExcHardFault(VOID);
 VOID HalExcMemFault(VOID);
diff --git a/kernel/arch/arm/cortex-m7/gcc/los_arch_interrupt.h b/kernel/arch/arm/cortex-m7/gcc/los_arch_interrupt.h
index 3c98b745..485f745a 100644
--- a/kernel/arch/arm/cortex-m7/gcc/los_arch_interrupt.h
+++ b/kernel/arch/arm/cortex-m7/gcc/los_arch_interrupt.h
@@ -521,25 +521,6 @@ typedef struct TagExcContext {
 typedef VOID (*EXC_PROC_FUNC)(UINT32, EXC_CONTEXT_S *);
 VOID HalExcHandleEntry(UINT32 excType, UINT32 faultAddr, UINT32 pid, EXC_CONTEXT_S *excBufAddr);
 
-/**
- * @ingroup  los_arch_interrupt
- * @brief: Exception initialization.
- *
- * @par Description:
- * This API is used to configure the exception function vector table.
- *
- * @attention:
- * <ul><li>None.</li></ul>
- *
- * @param uwArraySize [IN] Memory size of exception.
- *
- * @retval: None
- * @par Dependency:
- * <ul><li>los_arch_interrupt.h: the header file that contains the API declaration.</li></ul>
- * @see None.
- */
-VOID OsExcInit(VOID);
-
 VOID HalExcNMI(VOID);
 VOID HalExcHardFault(VOID);
 VOID HalExcMemFault(VOID);
diff --git a/kernel/arch/arm/cortex-m7/iar/los_arch_interrupt.h b/kernel/arch/arm/cortex-m7/iar/los_arch_interrupt.h
index 3c98b745..485f745a 100644
--- a/kernel/arch/arm/cortex-m7/iar/los_arch_interrupt.h
+++ b/kernel/arch/arm/cortex-m7/iar/los_arch_interrupt.h
@@ -521,25 +521,6 @@ typedef struct TagExcContext {
 typedef VOID (*EXC_PROC_FUNC)(UINT32, EXC_CONTEXT_S *);
 VOID HalExcHandleEntry(UINT32 excType, UINT32 faultAddr, UINT32 pid, EXC_CONTEXT_S *excBufAddr);
 
-/**
- * @ingroup  los_arch_interrupt
- * @brief: Exception initialization.
- *
- * @par Description:
- * This API is used to configure the exception function vector table.
- *
- * @attention:
- * <ul><li>None.</li></ul>
- *
- * @param uwArraySize [IN] Memory size of exception.
- *
- * @retval: None
- * @par Dependency:
- * <ul><li>los_arch_interrupt.h: the header file that contains the API declaration.</li></ul>
- * @see None.
- */
-VOID OsExcInit(VOID);
-
 VOID HalExcNMI(VOID);
 VOID HalExcHardFault(VOID);
 VOID HalExcMemFault(VOID);
diff --git a/kernel/arch/arm/cortex-m7/iar/los_interrupt.c b/kernel/arch/arm/cortex-m7/iar/los_interrupt.c
index 6c5adc22..ed935420 100644
--- a/kernel/arch/arm/cortex-m7/iar/los_interrupt.c
+++ b/kernel/arch/arm/cortex-m7/iar/los_interrupt.c
@@ -491,7 +491,7 @@ LITE_OS_SEC_TEXT_INIT VOID HalExcHandleEntry(UINT32 excType, UINT32 faultAddr, U
  Output      : None
  Return      : None
  **************************************************************************** */
-LITE_OS_SEC_TEXT_INIT VOID HalHwiInit()
+LITE_OS_SEC_TEXT_INIT VOID HalHwiInit(VOID)
 {
 #if (LOSCFG_USE_SYSTEM_DEFINED_INTERRUPT == 1)
     UINT32 index;