From 94bb3c9301d8a6c62d44d0fddd9996387c906396 Mon Sep 17 00:00:00 2001
From: PYZ <592744797@qq.com>
Date: Fri, 20 Apr 2018 11:19:08 +0800
Subject: [PATCH] fix bug

---
 lib/linked-array.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/linked-array.js b/lib/linked-array.js
index 98c2cf8..38d8a31 100644
--- a/lib/linked-array.js
+++ b/lib/linked-array.js
@@ -39,6 +39,10 @@ export default class LinkedArray {
   }
 
   remove(node) {
+    if(!node._prev && !node._next) {
+      return ;
+    }
+    
     if (node._prev) {
       node._prev._next = node._next;
     } else {