diff --git a/kernel/base/include/los_vm_zone.h b/kernel/base/include/los_vm_zone.h
index 0292effd..0baba0a2 100644
--- a/kernel/base/include/los_vm_zone.h
+++ b/kernel/base/include/los_vm_zone.h
@@ -40,11 +40,11 @@ extern "C" {
 #endif /* __cplusplus */
 #endif /* __cplusplus */
 
-#define DEFINE_(X)  X##U
-#define DEFINE(X)   DEFINE_(X)
+#define _U32_C(X)  X##U
+#define U32_C(X)   _U32_C(X)
 
-#define KERNEL_VMM_BASE         DEFINE(KERNEL_VADDR_BASE)
-#define KERNEL_VMM_SIZE         DEFINE(KERNEL_VADDR_SIZE)
+#define KERNEL_VMM_BASE         U32_C(KERNEL_VADDR_BASE)
+#define KERNEL_VMM_SIZE         U32_C(KERNEL_VADDR_SIZE)
 
 #define KERNEL_ASPACE_BASE      KERNEL_VMM_BASE
 #define KERNEL_ASPACE_SIZE      KERNEL_VMM_SIZE
@@ -57,11 +57,11 @@ extern "C" {
 #define VMALLOC_SIZE            0x08000000
 
 #define PERIPH_DEVICE_BASE      (VMALLOC_START + VMALLOC_SIZE)
-#define PERIPH_DEVICE_SIZE      PERIPH_PMM_SIZE
+#define PERIPH_DEVICE_SIZE      U32_C(PERIPH_PMM_SIZE)
 #define PERIPH_CACHED_BASE      (PERIPH_DEVICE_BASE + PERIPH_DEVICE_SIZE)
-#define PERIPH_CACHED_SIZE      PERIPH_PMM_SIZE
+#define PERIPH_CACHED_SIZE      U32_C(PERIPH_PMM_SIZE)
 #define PERIPH_UNCACHED_BASE    (PERIPH_CACHED_BASE + PERIPH_CACHED_SIZE)
-#define PERIPH_UNCACHED_SIZE    PERIPH_PMM_SIZE
+#define PERIPH_UNCACHED_SIZE    U32_C(PERIPH_PMM_SIZE)
 
 #define IO_DEVICE_ADDR(paddr)        (paddr - PERIPH_PMM_BASE + PERIPH_DEVICE_BASE)
 #define IO_CACHED_ADDR(paddr)        (paddr - PERIPH_PMM_BASE + PERIPH_CACHED_BASE)