From 83464a80e984f8ae5b3eb7231c0f579d8fa9410d Mon Sep 17 00:00:00 2001
From: catroll <ninedoors@126.com>
Date: Wed, 21 Mar 2018 16:11:53 +0800
Subject: [PATCH] fix: "PHP Notice:  Uninitialized string offset: 0 in ..."

---
 libs/Tree/Directory.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libs/Tree/Directory.php b/libs/Tree/Directory.php
index f33e65f..5a9f28d 100644
--- a/libs/Tree/Directory.php
+++ b/libs/Tree/Directory.php
@@ -32,6 +32,8 @@ class Directory extends Entry implements \ArrayAccess, \IteratorAggregate
                 continue;
             }
 
+            if (!$name) continue;
+
             if ($name[0] == '-') {
                 if (is_numeric($name[1])) {
                     $exploded = explode('_', $name);