From a474e800dd49142021a4b978ba53966b3c0b31c6 Mon Sep 17 00:00:00 2001
From: snovey <isnovey@gmail.com>
Date: Fri, 26 Jul 2019 02:14:49 +0800
Subject: [PATCH] =?UTF-8?q?=E8=B7=91=E8=B5=B7=E6=9D=A5=E6=9C=89=E7=82=B9?=
 =?UTF-8?q?=E9=97=AE=E9=A2=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

1. 加了大括号
2. 加了一点容错
---
 ...344\276\235\350\265\226\346\224\266\351\233\206.MarkDown" | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git "a/docs/\344\276\235\350\265\226\346\224\266\351\233\206.MarkDown" "b/docs/\344\276\235\350\265\226\346\224\266\351\233\206.MarkDown"
index 66b3fae..d95d05c 100644
--- "a/docs/\344\276\235\350\265\226\346\224\266\351\233\206.MarkDown"
+++ "b/docs/\344\276\235\350\265\226\346\224\266\351\233\206.MarkDown"
@@ -52,6 +52,7 @@ function remove (arr, item) {
         const index = arr.indexOf(item)
         if (index > -1) {
             return arr.splice(index, 1)
+        }
     }
 }
 ```
@@ -70,11 +71,11 @@ class Watcher {
         Dep.target = this;
         /*Github:https://github.com/answershuto*/
         /*触发渲染操作进行依赖收集*/
-        this.cb.call(this.vm);
+        this.cb && this.cb.call(this.vm);
     }
 
     update () {
-        this.cb.call(this.vm);
+        this.cb && this.cb.call(this.vm);
     }
 }
 ```