diff --git a/kernel/include/los_membox.h b/kernel/include/los_membox.h
index cc65225e..9093aca5 100644
--- a/kernel/include/los_membox.h
+++ b/kernel/include/los_membox.h
@@ -82,14 +82,14 @@ UINT32 OsMemboxExcInfoGet(UINT32 memNumMax, MemInfoCB *memExcInfo);
  * @ingroup los_membox
  * Memory pool alignment
  */
-#define LOS_MEMBOX_ALLIGNED(memAddr) (((UINTPTR)(memAddr) + sizeof(UINTPTR) - 1) & (~(sizeof(UINTPTR) - 1)))
+#define LOS_MEMBOX_ALIGNED(memAddr) (((UINTPTR)(memAddr) + sizeof(UINTPTR) - 1) & (~(sizeof(UINTPTR) - 1)))
 
 /**
  * @ingroup los_membox
  * Memory pool size
  */
 #define LOS_MEMBOX_SIZE(blkSize, blkNum) \
-    (sizeof(LOS_MEMBOX_INFO) + (LOS_MEMBOX_ALLIGNED((blkSize) + OS_MEMBOX_NODE_HEAD_SIZE) * (blkNum)))
+    (sizeof(LOS_MEMBOX_INFO) + (LOS_MEMBOX_ALIGNED((blkSize) + OS_MEMBOX_NODE_HEAD_SIZE) * (blkNum)))
 
 /**
  * @ingroup los_membox
diff --git a/kernel/src/mm/los_membox.c b/kernel/src/mm/los_membox.c
index f79e2cc1..7a167cd7 100644
--- a/kernel/src/mm/los_membox.c
+++ b/kernel/src/mm/los_membox.c
@@ -129,7 +129,7 @@ UINT32 LOS_MemboxInit(VOID *pool, UINT32 poolSize, UINT32 blkSize)
     }
 
     MEMBOX_LOCK(intSave);
-    boxInfo->uwBlkSize = LOS_MEMBOX_ALLIGNED(blkSize + OS_MEMBOX_NODE_HEAD_SIZE);
+    boxInfo->uwBlkSize = LOS_MEMBOX_ALIGNED(blkSize + OS_MEMBOX_NODE_HEAD_SIZE);
     if (boxInfo->uwBlkSize == 0) {
         MEMBOX_UNLOCK(intSave);
         return LOS_NOK;