diff --git a/components/fs/vfs/vfs_partition.c b/components/fs/vfs/vfs_partition.c
index c4c818f7ad4e435139d103f3a31e5a39c297d054..ceaef90328f93dd6419873d95f71145948e9ca44 100644
--- a/components/fs/vfs/vfs_partition.c
+++ b/components/fs/vfs/vfs_partition.c
@@ -160,7 +160,7 @@ int LOS_PartitionFormat(const char *partName, char *fsType, void *data)
        format is not allowed when the device has been mounted. */
     struct MountPoint *iter = NULL;
     LOS_MP_FOR_EACH_ENTRY(iter) {
-        if ((iter->mPath != NULL) && (strcmp(iter->mPath, partName) == 0)) {
+        if ((iter->mDev != NULL) && (strcmp(iter->mDev, partName) == 0)) {
             errno = EBUSY;
             return (int)LOS_NOK;
         }