diff --git a/fs/include/disk.h b/fs/include/disk.h
index 77737dc3..e81737e4 100755
--- a/fs/include/disk.h
+++ b/fs/include/disk.h
@@ -700,6 +700,8 @@ INT32 los_alloc_diskid_byname(const CHAR *diskName);
  *
  */
 INT32 los_get_diskid_byname(const CHAR *diskName);
+INT32 DiskEventRead(void);
+INT32 DiskEventInit(void);
 
 #ifdef __cplusplus
 #if __cplusplus
diff --git a/fs/vfs/disk/disk.c b/fs/vfs/disk/disk.c
index 2d6db3a7..89a1bb5d 100755
--- a/fs/vfs/disk/disk.c
+++ b/fs/vfs/disk/disk.c
@@ -58,6 +58,10 @@ spinlock_t g_diskFatBlockSpinlock;
 
 UINT32 g_usbMode = 0;
 
+#ifdef LOSCFG_STORAGE_EMMC
+static struct tagEvent g_diskInitEvent;
+#endif
+
 #define MEM_ADDR_ALIGN_BYTE  64
 #define RWE_RW_RW            0755
 
@@ -1360,6 +1364,16 @@ INT32 los_disk_init(const CHAR *diskName, const struct block_operations *bops,
     } else {
         disk->type = OTHERS;
     }
+#ifdef LOSCFG_STORAGE_EMMC
+    ret = LOS_EventWrite(&g_diskInitEvent, 1);
+    if (ret < 0) {
+        PRINT_ERR("Disk initialization event write fail \n");
+        (void)unregister_blockdriver(diskName);
+        disk->disk_status = STAT_UNUSED;
+        return VFS_ERROR;
+    }
+#endif
+
     return ENOERR;
 
 DISK_BLKDRIVER_ERROR:
@@ -1370,6 +1384,24 @@ DISK_FIND_ERROR:
     return VFS_ERROR;
 }
 
+INT32 DiskEventInit(void)
+{
+#ifdef LOSCFG_STORAGE_EMMC
+    return LOS_EventInit(&g_diskInitEvent);
+#else
+    return LOS_OK;
+#endif
+}
+
+INT32 DiskEventRead(void)
+{
+#ifdef LOSCFG_STORAGE_EMMC
+    return LOS_EventRead(&g_diskInitEvent, 1, LOS_WAITMODE_OR, LOS_WAIT_FOREVER);
+#else
+    return LOS_OK;
+#endif
+}
+
 INT32 los_disk_deinit(INT32 diskID)
 {
     los_disk *disk = get_disk(diskID);
diff --git a/kernel/common/los_rootfs.c b/kernel/common/los_rootfs.c
index 11a2de93..36a8852a 100755
--- a/kernel/common/los_rootfs.c
+++ b/kernel/common/los_rootfs.c
@@ -246,6 +246,7 @@ STATIC INT32 GetArgs(CHAR **args)
     }
 
 #ifdef LOSCFG_STORAGE_EMMC
+    (void)DiskEventRead();
     g_emmcDisk = GetMmcDisk(EMMC);
     if (g_emmcDisk == NULL) {
         PRINT_ERR("Get EMMC disk failed!\n");