替换文末的二维码

CaoHuifeng · May 13, 2022 · e7b061d · e7b061d
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diff --git a/docs/README.md b/docs/README.md
@@ -46,7 +46,7 @@ actions:
 
 强烈推荐大家关注一波作者的原创公众号，专注于分享硬核的 Java 后端技术文章，但又能保证你在阅读的时候轻松惬意。
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
 
 ## 联系我
 

diff --git a/docs/array/print.md b/docs/array/print.md
@@ -158,4 +158,4 @@ System.out.println(Arrays.deepToString(deepArray));
 
 “OK，我走，我走。”
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/baguwen/java-basic.md b/docs/baguwen/java-basic.md
@@ -400,4 +400,4 @@ equals 和 hashCode 这两个方法都是从 object 类中继承过来的，equa
 转载链接：[https://mp.weixin.qq.com/s/PmeH38qWVxyIhBpsAsjG7w](https://mp.weixin.qq.com/s/PmeH38qWVxyIhBpsAsjG7w)
 
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/baguwen/java-thread.md b/docs/baguwen/java-thread.md
@@ -302,4 +302,4 @@ AQS获取共享锁/释放共享锁原理
 投稿作者：后端技术小牛说
 转载链接：[https://mp.weixin.qq.com/s/PmeH38qWVxyIhBpsAsjG7w](https://mp.weixin.qq.com/s/PmeH38qWVxyIhBpsAsjG7w)
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/baguwen/jvm.md b/docs/baguwen/jvm.md
@@ -204,4 +204,4 @@ MinorGC 前，虚拟机必须检查老年代最大可用连续空间是否大于
 投稿作者：后端技术小牛说
 转载链接：[https://mp.weixin.qq.com/s/PmeH38qWVxyIhBpsAsjG7w](https://mp.weixin.qq.com/s/PmeH38qWVxyIhBpsAsjG7w)
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/basic-extra-meal/Overriding.md b/docs/basic-extra-meal/Overriding.md
@@ -318,4 +318,4 @@ synchronized 关键字用于在多线程环境中获取和释放监听对象，
 
 如果你想让浮点运算更加精确，而且不会因为硬件平台的不同导致执行的结果不一致的话，可以在方法上添加 strictfp 关键字。因此 strictfp 关键和重写规则无关。
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/basic-extra-meal/annotation.md b/docs/basic-extra-meal/annotation.md
@@ -224,4 +224,4 @@ public class JsonFieldTest {
 
 “嗯，你好好复习下，我看会《编译原理》。”说完我拿起桌子边上的一本书就走了。
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/basic-extra-meal/box.md b/docs/basic-extra-meal/box.md
@@ -258,4 +258,4 @@ System.out.println(t2-t1);
 
 “好了，三妹，今天的主题就先讲到这吧。我再去来根华子。”
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/basic-extra-meal/comparable-omparator.md b/docs/basic-extra-meal/comparable-omparator.md
@@ -171,4 +171,4 @@ for (Cmower c : list) {
 好了，关于 Comparable 和 Comparator 我们就先聊这么多。总而言之，如果对象的排序需要基于自然顺序，请选择 `Comparable`，如果需要按照对象的不同属性进行排序，请选择 `Comparator`。
 
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/basic-extra-meal/deep-copy.md b/docs/basic-extra-meal/deep-copy.md
@@ -423,4 +423,4 @@ writer2：Writer@544fe44c age=18, name='二哥', book=Book@31610302 bookName='
 
 “嗯嗯。”
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/basic-extra-meal/enum.md b/docs/basic-extra-meal/enum.md
@@ -289,4 +289,4 @@ public enum EasySingleton{
 
 “嗯嗯。”讲了这么多，必须跑去抽烟机那里安排一根华子了。
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/basic-extra-meal/equals-hashcode.md b/docs/basic-extra-meal/equals-hashcode.md
@@ -230,4 +230,4 @@ result = (31*1 + Integer(18).hashCode()) * 31 + String("张三").hashCode();
 
 “OK，get 了。”三妹开心地点了点头，看得出来，今天学到了不少。
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/basic-extra-meal/fanshe.md b/docs/basic-extra-meal/fanshe.md
@@ -319,5 +319,5 @@ Method[] methods2 = System.class.getMethods();
 
 >链接：https://www.cnblogs.com/chanshuyi/p/head_first_of_reflection.html
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
 
diff --git a/docs/basic-extra-meal/generic.md b/docs/basic-extra-meal/generic.md
@@ -465,4 +465,4 @@ list3.add(new Wangxiaoer());
 
 “好的，二哥。”
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/basic-extra-meal/hashcode.md b/docs/basic-extra-meal/hashcode.md
@@ -231,4 +231,4 @@ static inline intptr_t get_next_hash(Thread* current, oop obj) {
 - `hashCode == 4`，与创建对象的内存位置有关，原样输出。
 - `hashCode == 5`，默认值，支持多线程，使用了 Marsaglia 的 xor-shift 算法产生伪随机数。所谓的 xor-shift 算法，简单来说，看起来就是一个移位寄存器，每次移入的位由寄存器中若干位取异或生成。所谓的伪随机数，不是完全随机的，但是真随机生成比较困难，所以只要能通过一定的随机数统计检测，就可以当作真随机数来使用。
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/basic-extra-meal/immutable.md b/docs/basic-extra-meal/immutable.md
@@ -201,4 +201,4 @@ public Book getBook() {
 
 不可变类有很多优点，就像之前提到的 String 类那样，尤其是在多线程环境下，它非常的安全。尽管每次修改都会创建一个新的对象，增加了内存的消耗，但这个缺点相比它带来的优点，显然是微不足道的——无非就是捡了西瓜，丢了芝麻。
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/basic-extra-meal/int-cache.md b/docs/basic-extra-meal/int-cache.md
@@ -168,4 +168,4 @@ Exception in thread "main" java.lang.AssertionError
 
 “get 了！二哥你真棒，又学到了。”三妹很开心~
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/basic-extra-meal/java-naming.md b/docs/basic-extra-meal/java-naming.md
@@ -174,4 +174,4 @@ Service/DAO 层的方法命名规约：
 
 -----
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/basic-extra-meal/java-unicode.md b/docs/basic-extra-meal/java-unicode.md
@@ -172,4 +172,4 @@ UTF-16 使用 2 个或者 4 个字节来存储字符。
 
 “好了，三妹，关于 Unicode 就先说这么多吧，你是不是已经清楚了？”转动了一下僵硬的脖子后，我对三妹说。
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/basic-extra-meal/jdk-while-for-wuxian-xunhuan.md b/docs/basic-extra-meal/jdk-while-for-wuxian-xunhuan.md
@@ -100,4 +100,4 @@ public void bar() {
 
 以后就可以放心大胆在代码里写 `for(;;) while(true)` 这样的死循环了。
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/basic-extra-meal/jdk9-char-byte-string.md b/docs/basic-extra-meal/jdk9-char-byte-string.md
@@ -108,4 +108,4 @@ Java 会根据字符串的内容自动设置为相应的编码，要么 Latin-1
 
 >参考链接：https://www.zhihu.com/question/447224628
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/basic-extra-meal/override-overload.md b/docs/basic-extra-meal/override-overload.md
@@ -311,4 +311,4 @@ class Vehicle {
 
 “记住了吧？三妹。带上口罩，拿好手机，咱准备出门吧。”今天限号，没法开车送三妹去学校了。
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/basic-extra-meal/pass-by-value.md b/docs/basic-extra-meal/pass-by-value.md
@@ -138,5 +138,5 @@ class ReferenceTypeDemo {
 
 
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
 
diff --git a/docs/basic-extra-meal/true-generic.md b/docs/basic-extra-meal/true-generic.md
@@ -227,4 +227,4 @@ Project Valhalla：正在进行当中的 OpenJDK 项目，计划给未来的 Jav
 
 “嗯嗯。二哥，你讲得可真棒👍”三妹夸奖得我有点小开心，嘿嘿。
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/basic-extra-meal/varables.md b/docs/basic-extra-meal/varables.md
@@ -141,4 +141,4 @@ public static void print(Integer... ints) {
 上面这段代码是可以编译通过的。因为编译器知道参数是 String 类型还是 Integer 类型，只不过为了运行时不抛出 `NullPointerException`，两个 `print()` 方法的内部要做好判空操作。
 
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/basic-grammar/basic-data-type.md b/docs/basic-grammar/basic-data-type.md
@@ -327,4 +327,4 @@ public class ArrayList<E> extends AbstractList<E>
 
 “好了，三妹，关于 Java  中的数据类型就先说这么多吧，你是不是已经清楚了？”转动了一下僵硬的脖子后，我对三妹说。
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/basic-grammar/flow-control.md b/docs/basic-grammar/flow-control.md
@@ -906,4 +906,4 @@ public class ContinueDoWhileDemo {
 
 注意：同样的，如果把 if 条件中的“i++”省略掉的话，程序就会进入死循环，一直在 continue。
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/basic-grammar/javadoc.md b/docs/basic-grammar/javadoc.md
@@ -176,4 +176,4 @@ public class Test {
 
 -----
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/basic-grammar/operator.md b/docs/basic-grammar/operator.md
@@ -376,4 +376,4 @@ public class TernaryOperator {
 
 “差不多，二哥，我需要写点 demo 练习会。”
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/cityselect/beijing.md b/docs/cityselect/beijing.md
@@ -315,4 +315,4 @@ tag:
 
 >作者：朱晋君，转载链接：[https://mp.weixin.qq.com/s/xlPZfpd89rDq6L-Me80wnw](https://mp.weixin.qq.com/s/xlPZfpd89rDq6L-Me80wnw)
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/cityselect/chengdu.md b/docs/cityselect/chengdu.md
@@ -483,4 +483,4 @@ tag:
 
 >链接：[https://mp.weixin.qq.com/s/eaX9QhLwy_VsGIH0apA4qw](https://mp.weixin.qq.com/s/eaX9QhLwy_VsGIH0apA4qw)
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/cityselect/guangzhou.md b/docs/cityselect/guangzhou.md
@@ -154,4 +154,4 @@ tag:
 
 >作者：大白，转载链接：[https://mp.weixin.qq.com/s/uZQ8p0ytsQFXzt5ppzx6fA](https://mp.weixin.qq.com/s/uZQ8p0ytsQFXzt5ppzx6fA)
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/cityselect/hangzhou.md b/docs/cityselect/hangzhou.md
@@ -242,4 +242,4 @@ tag:
 
 >作者：大白，转载链接：[https://mp.weixin.qq.com/s/hrL2tqXHT5AjOqrQlRhR-w](https://mp.weixin.qq.com/s/hrL2tqXHT5AjOqrQlRhR-w)
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/cityselect/nanjing.md b/docs/cityselect/nanjing.md
@@ -193,4 +193,4 @@ tag:
 
 >作者：大白，转载链接：[https://mp.weixin.qq.com/s/CfZ1CEmtPOP4TAwAs8Ocrw](https://mp.weixin.qq.com/s/CfZ1CEmtPOP4TAwAs8Ocrw)
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/cityselect/qingdao.md b/docs/cityselect/qingdao.md
@@ -116,4 +116,4 @@ Yeelight 算是在青岛为数不多的小而美的公司了，目前团队330
 
 >作者：大白，转载链接：[https://mp.weixin.qq.com/s/8QQvOrkG3Vdjj3GxP1zxBQ](https://mp.weixin.qq.com/s/8QQvOrkG3Vdjj3GxP1zxBQ)
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/cityselect/shenzhen.md b/docs/cityselect/shenzhen.md
@@ -82,5 +82,5 @@ AI独角兽公司
 
 >作者：代码随想录，转载链接：[https://mp.weixin.qq.com/s/hBU-eEUq8aN5PWwdZFmC4g](https://mp.weixin.qq.com/s/hBU-eEUq8aN5PWwdZFmC4g)
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
 
diff --git a/docs/cityselect/suzhou.md b/docs/cityselect/suzhou.md
@@ -146,4 +146,4 @@ tag:
 
 >作者：大白，转载链接：[https://mp.weixin.qq.com/s/cnYsZLudFOwv5EKYMsMh0Q](https://mp.weixin.qq.com/s/cnYsZLudFOwv5EKYMsMh0Q)
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/cityselect/xian.md b/docs/cityselect/xian.md
@@ -315,4 +315,4 @@ ThougtWorks 的新人培养机制还是很赞的！对于应届生入职 ThougtW
 
 >作者：大白，转载链接：[https://mp.weixin.qq.com/s/s0Ub1CHC9eEi0YrqPrnRog](https://mp.weixin.qq.com/s/s0Ub1CHC9eEi0YrqPrnRog)
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/cityselect/zhengzhou.md b/docs/cityselect/zhengzhou.md
@@ -274,5 +274,5 @@ UU 跑腿的工作环境以及各种福利都还算不错！
 
 >作者：大白，转载链接：[https://mp.weixin.qq.com/s/SU9drg2xJKcheIwJ6OSSBQ](https://mp.weixin.qq.com/s/SU9drg2xJKcheIwJ6OSSBQ)
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
 
diff --git a/docs/collection/arraylist.md b/docs/collection/arraylist.md
@@ -393,4 +393,4 @@ ArrayList，如果有个中文名的话，应该叫动态数组，也就是可
 
 计算机内部是如何表示十进制数的，右移时又发生了什么，静下心来去研究一下，你就会发现，哦，原来这么有趣呢？
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/collection/fail-fast.md b/docs/collection/fail-fast.md
@@ -245,4 +245,4 @@ public void remove() {
 
 那也就是说，for-each 本质上是一种语法糖，遍历集合时很方面，但并不适合拿来操作集合中的元素（增删）。
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/collection/gailan.md b/docs/collection/gailan.md
@@ -293,4 +293,4 @@ public static void logn(int n) {
 
 “好的，二哥。”三妹重新回答沙发上，一盘王者荣耀即将开始。
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/collection/hashmap-interview.md b/docs/collection/hashmap-interview.md
@@ -197,5 +197,5 @@ HashMap 在容量超过负载因子所定义的容量之后，就会扩容。
 
 >参考链接：https://zhuanlan.zhihu.com/p/362214327
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
 
diff --git a/docs/collection/hashmap.md b/docs/collection/hashmap.md
@@ -797,4 +797,4 @@ final Node<K,V>[] resize() {
 > - https://www.zhihu.com/question/20733617
 > - https://zhuanlan.zhihu.com/p/21673805
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/collection/iterator-iterable.md b/docs/collection/iterator-iterable.md
@@ -244,4 +244,4 @@ while (it.hasNext()) {
 - 遇到疑惑不放弃，这是提升自己最好的机会，遇到某个疑难的点，解决的过程中会挖掘出很多相关的东西。
 
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/collection/linkedlist.md b/docs/collection/linkedlist.md
@@ -384,4 +384,4 @@ public E get(int index) {
 
 无论外人怎么看待我们，在我眼里，师兄永远都是一哥，我敬重他，他也愿意保护我。
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/collection/list-war-2.md b/docs/collection/list-war-2.md
@@ -841,4 +841,4 @@ private class ListItr implements ListIterator<E> {
 
 花了两天时间，终于肝完了！相信看完这篇文章后，再有面试官问你 ArrayList 和 LinkedList 有什么区别的话，你一定会胸有成竹地和他扯上半小时了。
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/common-tool/arrays.md b/docs/common-tool/arrays.md
@@ -423,4 +423,4 @@ System.out.println(Arrays.toString(arr));
 
 我来到客厅，坐到沙发上，捧起黄永玉先生的《无愁河上的浪荡汉子·八年卷 1》看了起来，津津有味。。。。。。
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)
diff --git a/docs/common-tool/collections.md b/docs/common-tool/collections.md
@@ -250,7 +250,7 @@ addAll 后：[沉默王九, 沉默王十, 沉默王二]
 这才是高手要思考的一个问题。
 
 
-<img src="http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png" width="700px">
+![](http://cdn.tobebetterjavaer.com/tobebetterjavaer/images/xingbiaogongzhonghao.png)