优化代码

client/internal/mount/vfs/cache/cache.go

@@ -575,7 +575,7 @@ func (c *Cache) scanningData() {
 			lastNode := walkTrace[len(walkTrace)-1]
 			visitCnt++
 
-			e, err := lastNode.ReadDir(1)
+			e, err := lastNode.Readdir(1)
 			if err == io.EOF {
 				lastNode.Close()
 				walkTrace = walkTrace[:len(walkTrace)-1]