diff --git a/docs/Apollo/Apollo简单入门.md b/docs/Apollo/Apollo简单入门.md
index c7368ad..0ba15e7 100644
--- a/docs/Apollo/Apollo简单入门.md
+++ b/docs/Apollo/Apollo简单入门.md
@@ -8,7 +8,7 @@ categories:
   - Apollo
 keywords: Apollo，配置中心。
 description: Apollo简单入门及和SpringBoot集成。
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/apollo.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/apollo.png'
 abbrlink: 10d32fba
 date: 2020-12-29 11:31:58
 ---
diff --git a/docs/Computer_NetWork/计算机网络-总结.md b/docs/Computer_NetWork/计算机网络-总结.md
index 289a80c..8de79f6 100644
--- a/docs/Computer_NetWork/计算机网络-总结.md
+++ b/docs/Computer_NetWork/计算机网络-总结.md
@@ -7,7 +7,7 @@ categories:
   - 计算机网络
 keywords: 计算机网络，计网，面试
 description: 计算机网络-总结篇，可以用来期末复习，校招面试等。
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/network.jpg'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/network.jpg'
 abbrlink: 3905e6f8
 date: 2020-04-16 17:21:58
 ---
diff --git a/docs/Computer_NetWork/计算机网络-概述.md b/docs/Computer_NetWork/计算机网络-概述.md
index 4232d3b..acc1d87 100644
--- a/docs/Computer_NetWork/计算机网络-概述.md
+++ b/docs/Computer_NetWork/计算机网络-概述.md
@@ -6,7 +6,7 @@ categories:
   - 计算机网络
 keywords: 计算机网络，计网
 description: 计算机网络-概述篇。
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/network.jpg'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/network.jpg'
 abbrlink: be54bfd5
 date: 2021-04-03 14:21:58
 ---
diff --git a/docs/ElasticSearch/ElasticSearch-入门.md b/docs/ElasticSearch/ElasticSearch-入门.md
index b0e62ac..f7e2553 100644
--- a/docs/ElasticSearch/ElasticSearch-入门.md
+++ b/docs/ElasticSearch/ElasticSearch-入门.md
@@ -9,7 +9,7 @@ categories:
   - 用法
 keywords: ElasticSearch,全文检索
 description: ElasticSearch-入门篇，适合做入门，或者知识回顾。
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/es.jpg'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/es.jpg'
 abbrlink: 7f60dde9
 date: 2020-02-03 13:11:45
 ---
diff --git a/docs/ElasticSearch/ElasticSearch-进阶.md b/docs/ElasticSearch/ElasticSearch-进阶.md
index e66b252..4cf7978 100644
--- a/docs/ElasticSearch/ElasticSearch-进阶.md
+++ b/docs/ElasticSearch/ElasticSearch-进阶.md
@@ -9,7 +9,7 @@ categories:
   - 用法
 keywords: ElasticSearch,全文检索
 description: ElasticSearch-进阶篇，ElasticSearch的一些实战用法，集成SpringBoot。
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/es.jpg'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/es.jpg'
 abbrlink: 50e81c79
 date: 2020-02-08 18:06:23
 ---
diff --git a/docs/JVM/JVM系列-第10章-垃圾回收概述和相关算法.md b/docs/JVM/JVM系列-第10章-垃圾回收概述和相关算法.md
index 1b7dbbe..afc82bd 100644
--- a/docs/JVM/JVM系列-第10章-垃圾回收概述和相关算法.md
+++ b/docs/JVM/JVM系列-第10章-垃圾回收概述和相关算法.md
@@ -8,7 +8,7 @@ categories:
   - 1.内存与垃圾回收篇
 keywords: JVM，虚拟机。
 description: JVM系列-第10章-垃圾回收概述和相关算法。
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/jvm.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/jvm.png'
 abbrlink: d54daa0f
 date: 2020-11-16 18:14:02
 ---
diff --git a/docs/JVM/JVM系列-第11章-垃圾回收相关概念.md b/docs/JVM/JVM系列-第11章-垃圾回收相关概念.md
index 7052630..5ba6c4f 100644
--- a/docs/JVM/JVM系列-第11章-垃圾回收相关概念.md
+++ b/docs/JVM/JVM系列-第11章-垃圾回收相关概念.md
@@ -8,7 +8,7 @@ categories:
   - 1.内存与垃圾回收篇
 keywords: JVM，虚拟机。
 description: JVM系列-第11章-垃圾回收相关概念。
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/jvm.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/jvm.png'
 abbrlink: 4d401a8b
 date: 2020-11-17 12:33:24
 ---
diff --git a/docs/JVM/JVM系列-第12章-垃圾回收器.md b/docs/JVM/JVM系列-第12章-垃圾回收器.md
index 246315f..8f94f44 100644
--- a/docs/JVM/JVM系列-第12章-垃圾回收器.md
+++ b/docs/JVM/JVM系列-第12章-垃圾回收器.md
@@ -8,7 +8,7 @@ categories:
   - 1.内存与垃圾回收篇
 keywords: JVM，虚拟机。
 description: JVM系列-第12章-垃圾回收器。
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/jvm.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/jvm.png'
 abbrlink: 7706d61d
 date: 2020-11-19 18:33:24
 ---
diff --git a/docs/JVM/JVM系列-第1章-JVM与Java体系结构.md b/docs/JVM/JVM系列-第1章-JVM与Java体系结构.md
index 862fc5e..5fef9cd 100644
--- a/docs/JVM/JVM系列-第1章-JVM与Java体系结构.md
+++ b/docs/JVM/JVM系列-第1章-JVM与Java体系结构.md
@@ -8,7 +8,7 @@ categories:
   - 1.内存与垃圾回收篇
 keywords: JVM，虚拟机。
 description: JVM系列-第1章-JVM与Java体系结构。
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/jvm.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/jvm.png'
 abbrlink: 8c954c6
 date: 2020-11-02 11:51:56
 ---
diff --git a/docs/JVM/JVM系列-第2章-类加载子系统.md b/docs/JVM/JVM系列-第2章-类加载子系统.md
index 8de7e2c..2cc7087 100644
--- a/docs/JVM/JVM系列-第2章-类加载子系统.md
+++ b/docs/JVM/JVM系列-第2章-类加载子系统.md
@@ -8,7 +8,7 @@ categories:
   - 1.内存与垃圾回收篇
 keywords: JVM，虚拟机。
 description: JVM系列-第2章-类加载子系统。
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/jvm.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/jvm.png'
 abbrlink: 2e0079af
 date: 2020-11-02 21:31:58
 ---
diff --git a/docs/JVM/JVM系列-第3章-运行时数据区.md b/docs/JVM/JVM系列-第3章-运行时数据区.md
index a696abe..f23a9ba 100644
--- a/docs/JVM/JVM系列-第3章-运行时数据区.md
+++ b/docs/JVM/JVM系列-第3章-运行时数据区.md
@@ -8,7 +8,7 @@ categories:
   - 1.内存与垃圾回收篇
 keywords: JVM，虚拟机。
 description: JVM系列-第3章-运行时数据区。
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/jvm.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/jvm.png'
 abbrlink: a7ad3cab
 date: 2020-11-09 15:38:42
 ---
diff --git a/docs/JVM/JVM系列-第4章-虚拟机栈.md b/docs/JVM/JVM系列-第4章-虚拟机栈.md
index a26d98a..2a9e4cc 100644
--- a/docs/JVM/JVM系列-第4章-虚拟机栈.md
+++ b/docs/JVM/JVM系列-第4章-虚拟机栈.md
@@ -8,7 +8,7 @@ categories:
   - 1.内存与垃圾回收篇
 keywords: JVM，虚拟机。
 description: JVM系列-第4章-虚拟机栈。
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/jvm.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/jvm.png'
 abbrlink: 5b1b6560
 date: 2020-11-10 10:38:42
 ---
diff --git a/docs/JVM/JVM系列-第5章-堆.md b/docs/JVM/JVM系列-第5章-堆.md
index fb630b1..59aa5bc 100644
--- a/docs/JVM/JVM系列-第5章-堆.md
+++ b/docs/JVM/JVM系列-第5章-堆.md
@@ -8,7 +8,7 @@ categories:
   - 1.内存与垃圾回收篇
 keywords: JVM，虚拟机。
 description: JVM系列-第5章-堆。
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/jvm.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/jvm.png'
 abbrlink: 50ac3a1c
 date: 2020-11-11 20:38:42
 ---
diff --git a/docs/JVM/JVM系列-第6章-方法区.md b/docs/JVM/JVM系列-第6章-方法区.md
index c3acc55..2d6c3cd 100644
--- a/docs/JVM/JVM系列-第6章-方法区.md
+++ b/docs/JVM/JVM系列-第6章-方法区.md
@@ -8,7 +8,7 @@ categories:
   - 1.内存与垃圾回收篇
 keywords: JVM，虚拟机。
 description: JVM系列-第6章-方法区。
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/jvm.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/jvm.png'
 abbrlink: 136cd965
 date: 2020-11-13 19:38:42
 ---
diff --git a/docs/JVM/JVM系列-第7章-对象的实例化内存布局与访问定位.md b/docs/JVM/JVM系列-第7章-对象的实例化内存布局与访问定位.md
index 3c4049d..110e55a 100644
--- a/docs/JVM/JVM系列-第7章-对象的实例化内存布局与访问定位.md
+++ b/docs/JVM/JVM系列-第7章-对象的实例化内存布局与访问定位.md
@@ -8,7 +8,7 @@ categories:
   - 1.内存与垃圾回收篇
 keywords: JVM，虚拟机。
 description: JVM系列-第7章-对象的实例化内存布局与访问定位。
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/jvm.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/jvm.png'
 abbrlink: debff71a
 date: 2020-11-14 19:38:42
 ---
diff --git a/docs/JVM/JVM系列-第8章-执行引擎.md b/docs/JVM/JVM系列-第8章-执行引擎.md
index 7278d1d..e6fbdef 100644
--- a/docs/JVM/JVM系列-第8章-执行引擎.md
+++ b/docs/JVM/JVM系列-第8章-执行引擎.md
@@ -8,7 +8,7 @@ categories:
   - 1.内存与垃圾回收篇
 keywords: JVM，虚拟机。
 description: JVM系列-第8章-执行引擎。
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/jvm.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/jvm.png'
 abbrlink: 408712f4
 date: 2020-11-15 19:48:42
 ---
diff --git a/docs/JVM/JVM系列-第9章-StringTable(字符串常量池).md b/docs/JVM/JVM系列-第9章-StringTable(字符串常量池).md
index 440014c..b00b39a 100644
--- a/docs/JVM/JVM系列-第9章-StringTable(字符串常量池).md
+++ b/docs/JVM/JVM系列-第9章-StringTable(字符串常量池).md
@@ -8,7 +8,7 @@ categories:
   - 1.内存与垃圾回收篇
 keywords: JVM，虚拟机。
 description: JVM系列-第9章-StringTable(字符串常量池)。
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/jvm.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/jvm.png'
 abbrlink: ee2ba71e
 date: 2020-11-16 12:38:02
 ---
diff --git a/docs/Java/Basis/Java8新特性.md b/docs/Java/Basis/Java8新特性.md
index 7c2dc31..fdfb545 100644
--- a/docs/Java/Basis/Java8新特性.md
+++ b/docs/Java/Basis/Java8新特性.md
@@ -9,7 +9,7 @@ categories:
   - 新特性
 keywords: Java8，新特性，JDK8
 description: 详解JDK8出现的新特性。
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/java.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/java.png'
 abbrlink: de3879ae
 date: 2020-10-19 22:15:58
 ---
diff --git a/docs/Java/Basis/泛型.md b/docs/Java/Basis/泛型.md
index 0fdb8ac..9156e82 100644
--- a/docs/Java/Basis/泛型.md
+++ b/docs/Java/Basis/泛型.md
@@ -9,7 +9,7 @@ categories:
   - 重难点
 keywords: Java基础，泛型
 description: 万字长文详解Java泛型。
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/java.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/java.png'
 abbrlink: adb2faf0
 date: 2020-10-19 22:21:58
 ---
diff --git a/docs/Java/collection/HashMap-JDK7源码讲解.md b/docs/Java/collection/HashMap-JDK7源码讲解.md
index 1e7bd41..516b55d 100644
--- a/docs/Java/collection/HashMap-JDK7源码讲解.md
+++ b/docs/Java/collection/HashMap-JDK7源码讲解.md
@@ -8,7 +8,7 @@ categories:
   - HashMap
 keywords: Java集合，HashMap。
 description: HashMap-JDK7源码讲解。
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/java.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/java.png'
 abbrlink: f1f58db2
 date: 2020-11-01 10:21:58
 ---
diff --git a/docs/Java/collection/HashMap-JDK8源码讲解及常见面试题.md b/docs/Java/collection/HashMap-JDK8源码讲解及常见面试题.md
index b6fda3d..fdebb79 100644
--- a/docs/Java/collection/HashMap-JDK8源码讲解及常见面试题.md
+++ b/docs/Java/collection/HashMap-JDK8源码讲解及常见面试题.md
@@ -8,7 +8,7 @@ categories:
   - HashMap
 keywords: Java集合，HashMap。
 description: HashMap-JDK8源码讲解及常见面试题。
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/java.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/java.png'
 abbrlink: cbc5672a
 date: 2020-11-01 10:22:05
 ---
diff --git a/docs/design_patterns/设计模式-01.设计思想.md b/docs/design_patterns/设计模式-01.设计思想.md
index 3133c7b..995d542 100644
--- a/docs/design_patterns/设计模式-01.设计思想.md
+++ b/docs/design_patterns/设计模式-01.设计思想.md
@@ -8,7 +8,7 @@ categories:
   - 01.设计思想
 keywords: 设计模式，设计思想
 description: 设计模式第一部分-常用设计思想。
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/design_patterns.jpg'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/design_patterns.jpg'
 abbrlink: c3dcce5d
 date: 2021-06-07 17:21:58
 ---
diff --git a/docs/design_patterns/设计模式-02.经典设计原则-第一节[必读].md b/docs/design_patterns/设计模式-02.经典设计原则-第一节[必读].md
index 79bae25..c8d9629 100644
--- a/docs/design_patterns/设计模式-02.经典设计原则-第一节[必读].md
+++ b/docs/design_patterns/设计模式-02.经典设计原则-第一节[必读].md
@@ -8,7 +8,7 @@ categories:
   - 02.经典设计原则
 keywords: 设计模式，经典设计原则
 description: 设计模式-经典设计原则，例如：单一职责原则，开闭原则，接口隔离原则等等。
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/design_patterns.jpg'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/design_patterns.jpg'
 abbrlink: fc1c7619
 date: 2021-06-13 19:21:58
 ---
diff --git a/docs/design_patterns/设计模式-02.经典设计原则-第二节[必读].md b/docs/design_patterns/设计模式-02.经典设计原则-第二节[必读].md
index 5c73cb4..af94ca4 100644
--- a/docs/design_patterns/设计模式-02.经典设计原则-第二节[必读].md
+++ b/docs/design_patterns/设计模式-02.经典设计原则-第二节[必读].md
@@ -8,7 +8,7 @@ categories:
   - 02.经典设计原则
 keywords: 设计模式，经典设计原则
 description: 设计模式-经典设计原则，例如：迪米特法则，依赖反转原则，KISS等等。
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/design_patterns.jpg'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/design_patterns.jpg'
 abbrlink: 994a8ed3
 date: 2021-06-20 19:21:58
 ---
diff --git a/docs/design_patterns/设计模式-03.01-创建型-单例.md b/docs/design_patterns/设计模式-03.01-创建型-单例.md
index fc24772..53ce080 100644
--- a/docs/design_patterns/设计模式-03.01-创建型-单例.md
+++ b/docs/design_patterns/设计模式-03.01-创建型-单例.md
@@ -8,7 +8,7 @@ categories:
   - 03.创建型
 keywords: 设计模式，单例
 description: 详解了单例设计模式。
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/design_patterns.jpg'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/design_patterns.jpg'
 abbrlink: b5a1ed4a
 date: 2021-06-26 21:51:58
 ---
diff --git a/docs/design_patterns/设计模式-03.02-创建型-工厂&建造者&原型.md b/docs/design_patterns/设计模式-03.02-创建型-工厂&建造者&原型.md
index 459dcc9..938a825 100644
--- a/docs/design_patterns/设计模式-03.02-创建型-工厂&建造者&原型.md
+++ b/docs/design_patterns/设计模式-03.02-创建型-工厂&建造者&原型.md
@@ -10,7 +10,7 @@ categories:
   - 03.创建型
 keywords: 设计模式，工厂，建造者，原型
 description: 详解常用的工厂模式和建造者模式，以及不常用的原型模式
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/design_patterns.jpg'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/design_patterns.jpg'
 abbrlink: ba432704
 date: 2021-06-27 00:51:58
 ---
diff --git a/docs/design_patterns/设计模式-04.01-结构型-代理&桥接&装饰器&适配器.md b/docs/design_patterns/设计模式-04.01-结构型-代理&桥接&装饰器&适配器.md
index e0ef00c..aaf201d 100644
--- a/docs/design_patterns/设计模式-04.01-结构型-代理&桥接&装饰器&适配器.md
+++ b/docs/design_patterns/设计模式-04.01-结构型-代理&桥接&装饰器&适配器.md
@@ -11,7 +11,7 @@ categories:
   - 04.结构型
 keywords: 设计模式，代理模式，桥接模式，装饰器模式，适配器模式
 description: 对代理模式，桥接模式，装饰器模式，适配器模式这4个模式进行了比较详细的讲述。其实学习设计模式主要是为了后序看源码
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/design_patterns.jpg'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/design_patterns.jpg'
 abbrlink: 926a065c
 date: 2021-07-04 00:51:58
 ---
diff --git a/docs/design_patterns/设计模式-04.02-结构型-门面&组合&享元.md b/docs/design_patterns/设计模式-04.02-结构型-门面&组合&享元.md
index 4624173..111e448 100644
--- a/docs/design_patterns/设计模式-04.02-结构型-门面&组合&享元.md
+++ b/docs/design_patterns/设计模式-04.02-结构型-门面&组合&享元.md
@@ -10,7 +10,7 @@ categories:
   - 04.结构型
 keywords: 设计模式，门面模式，组合模式，享元模式
 description: 对代理模式，门面模式，组合模式，享元模式这3个设计模式进行了比较详细的讲述。
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/design_patterns.jpg'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/design_patterns.jpg'
 abbrlink: 5ea604e0
 date: 2021-07-05 16:51:58
 ---
diff --git a/docs/design_patterns/设计模式-05.01-行为型-观察者&模板.md b/docs/design_patterns/设计模式-05.01-行为型-观察者&模板.md
index 140f3a5..a5d9c48 100644
--- a/docs/design_patterns/设计模式-05.01-行为型-观察者&模板.md
+++ b/docs/design_patterns/设计模式-05.01-行为型-观察者&模板.md
@@ -8,7 +8,7 @@ categories:
   - 05.行为型
 keywords: 观察者模式，模板模式
 description: 观察者模式，模板模式。很常用的两个模式
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/design_patterns.jpg'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/design_patterns.jpg'
 abbrlink: dd09051e
 date: 2021-07-14 16:51:58
 ---
diff --git a/docs/design_patterns/设计模式-05.02-行为型-策略&职责链.md b/docs/design_patterns/设计模式-05.02-行为型-策略&职责链.md
index a469a2e..a8b7e10 100644
--- a/docs/design_patterns/设计模式-05.02-行为型-策略&职责链.md
+++ b/docs/design_patterns/设计模式-05.02-行为型-策略&职责链.md
@@ -8,7 +8,7 @@ categories:
   - 05.行为型
 keywords: 策略模式，职责链模式
 description: 不多说，看文章
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/design_patterns.jpg'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/design_patterns.jpg'
 abbrlink: 2c3cc5fd
 date: 2021-08-01 15:51:58
 ---
diff --git a/docs/design_patterns/设计模式-05.03-行为型-状态&迭代器.md b/docs/design_patterns/设计模式-05.03-行为型-状态&迭代器.md
index 2350b7e..0d9480b 100644
--- a/docs/design_patterns/设计模式-05.03-行为型-状态&迭代器.md
+++ b/docs/design_patterns/设计模式-05.03-行为型-状态&迭代器.md
@@ -8,7 +8,7 @@ categories:
   - 05.行为型
 keywords: 状态模式，迭代器模式
 description: 看文章
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/design_patterns.jpg'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/design_patterns.jpg'
 abbrlink: 877f4ef2
 date: 2021-08-02 15:51:58
 ---
diff --git a/docs/dubbo-sourcecode-v1/01&02.Dubbo源码系列V1-Dubbo第一二节-基本应用与高级应用.md b/docs/dubbo-sourcecode-v1/01&02.Dubbo源码系列V1-Dubbo第一二节-基本应用与高级应用.md
index 683ffd4..1e0bcb7 100644
--- a/docs/dubbo-sourcecode-v1/01&02.Dubbo源码系列V1-Dubbo第一二节-基本应用与高级应用.md
+++ b/docs/dubbo-sourcecode-v1/01&02.Dubbo源码系列V1-Dubbo第一二节-基本应用与高级应用.md
@@ -8,7 +8,7 @@ categories:
   - Dubbo源码系列v1
 keywords: Dubbo，rpc
 description: 前两节合成一节
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/dubbo.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/dubbo.png'
 abbrlink: d3c530c4
 date: 2021-09-11 15:21:58
 ---
diff --git a/docs/dubbo-sourcecode-v1/03.Dubbo源码系列V1-Dubbo第三节-可扩展机制SPI源码解析.md b/docs/dubbo-sourcecode-v1/03.Dubbo源码系列V1-Dubbo第三节-可扩展机制SPI源码解析.md
index 08289d0..8a91313 100644
--- a/docs/dubbo-sourcecode-v1/03.Dubbo源码系列V1-Dubbo第三节-可扩展机制SPI源码解析.md
+++ b/docs/dubbo-sourcecode-v1/03.Dubbo源码系列V1-Dubbo第三节-可扩展机制SPI源码解析.md
@@ -8,7 +8,7 @@ categories:
   - Dubbo源码系列v1
 keywords: Dubbo，rpc
 description: Dubbo里面SPI是基础，大量用到了SPI
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/dubbo.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/dubbo.png'
 abbrlink: dbcfef47
 date: 2021-09-12 15:21:58
 ---
diff --git a/docs/dubbo-sourcecode-v1/04.Dubbo源码系列V1-Dubbo第四节-Spring与Dubbo整合原理与源码分析.md b/docs/dubbo-sourcecode-v1/04.Dubbo源码系列V1-Dubbo第四节-Spring与Dubbo整合原理与源码分析.md
index d0e432d..c34d278 100644
--- a/docs/dubbo-sourcecode-v1/04.Dubbo源码系列V1-Dubbo第四节-Spring与Dubbo整合原理与源码分析.md
+++ b/docs/dubbo-sourcecode-v1/04.Dubbo源码系列V1-Dubbo第四节-Spring与Dubbo整合原理与源码分析.md
@@ -8,7 +8,7 @@ categories:
   - Dubbo源码系列v1
 keywords: Dubbo，rpc
 description: Spring与Dubbo整合原理与源码分析
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/dubbo.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/dubbo.png'
 abbrlink: 796f395d
 date: 2021-10-06 13:21:58
 ---
diff --git a/docs/dubbo-sourcecode-v1/05.Dubbo源码系列V1-Dubbo第五节-服务导出源码解析.md b/docs/dubbo-sourcecode-v1/05.Dubbo源码系列V1-Dubbo第五节-服务导出源码解析.md
index 6ecb4b5..ad652f9 100644
--- a/docs/dubbo-sourcecode-v1/05.Dubbo源码系列V1-Dubbo第五节-服务导出源码解析.md
+++ b/docs/dubbo-sourcecode-v1/05.Dubbo源码系列V1-Dubbo第五节-服务导出源码解析.md
@@ -8,7 +8,7 @@ categories:
   - Dubbo源码系列v1
 keywords: Dubbo，rpc
 description: Dubbo服务导出源码解析
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/dubbo.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/dubbo.png'
 abbrlink: '48141866'
 date: 2021-10-06 14:11:58
 ---
diff --git a/docs/dubbo-sourcecode-v1/06.Dubbo源码系列V1-Dubbo第六节-服务引入源码解析.md b/docs/dubbo-sourcecode-v1/06.Dubbo源码系列V1-Dubbo第六节-服务引入源码解析.md
index 4f247da..02e2073 100644
--- a/docs/dubbo-sourcecode-v1/06.Dubbo源码系列V1-Dubbo第六节-服务引入源码解析.md
+++ b/docs/dubbo-sourcecode-v1/06.Dubbo源码系列V1-Dubbo第六节-服务引入源码解析.md
@@ -8,7 +8,7 @@ categories:
   - Dubbo源码系列v1
 keywords: Dubbo，rpc
 description: 服务引入源码解析
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/dubbo.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/dubbo.png'
 abbrlink: bda15919
 date: 2021-11-08 14:11:58
 ---
diff --git a/docs/dubbo-sourcecode-v1/07.Dubbo源码系列V1-Dubbo第七节-服务调用源码解析.md b/docs/dubbo-sourcecode-v1/07.Dubbo源码系列V1-Dubbo第七节-服务调用源码解析.md
index db211d9..f5215f1 100644
--- a/docs/dubbo-sourcecode-v1/07.Dubbo源码系列V1-Dubbo第七节-服务调用源码解析.md
+++ b/docs/dubbo-sourcecode-v1/07.Dubbo源码系列V1-Dubbo第七节-服务调用源码解析.md
@@ -8,7 +8,7 @@ categories:
   - Dubbo源码系列v1
 keywords: Dubbo，rpc
 description: 服务调用源码解析
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/dubbo.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/dubbo.png'
 abbrlink: 84653c9d
 date: 2021-11-09 14:11:58
 ---
diff --git a/docs/java_concurrency/Java并发体系-第一阶段-多线程基础知识.md b/docs/java_concurrency/Java并发体系-第一阶段-多线程基础知识.md
index 67a3a03..9fd98ca 100644
--- a/docs/java_concurrency/Java并发体系-第一阶段-多线程基础知识.md
+++ b/docs/java_concurrency/Java并发体系-第一阶段-多线程基础知识.md
@@ -9,7 +9,7 @@ categories:
   - 原理
 keywords: Java并发，原理，源码
 description: 万字系列长文讲解Java并发-第一阶段-多线程基础知识。
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/Java_concurrency.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/Java_concurrency.png'
 abbrlink: efc79183
 date: 2020-10-05 22:40:58
 ---
diff --git a/docs/java_concurrency/Java并发体系-第三阶段-JUC并发包-[1].md b/docs/java_concurrency/Java并发体系-第三阶段-JUC并发包-[1].md
index 4d27b2c..cab8af9 100644
--- a/docs/java_concurrency/Java并发体系-第三阶段-JUC并发包-[1].md
+++ b/docs/java_concurrency/Java并发体系-第三阶段-JUC并发包-[1].md
@@ -9,7 +9,7 @@ categories:
   - 原理
 keywords: Java并发，原理，源码
 description: 万字系列长文讲解-Java并发体系-第三阶段-JUC并发包。JUC在高并发编程中使用频率非常高，这里会详细介绍其用法。
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/Java_concurrency.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/Java_concurrency.png'
 abbrlink: 5be45d9e
 date: 2020-10-09 22:13:58
 ---
diff --git a/docs/java_concurrency/Java并发体系-第三阶段-JUC并发包-[2].md b/docs/java_concurrency/Java并发体系-第三阶段-JUC并发包-[2].md
index 383e532..68943bf 100644
--- a/docs/java_concurrency/Java并发体系-第三阶段-JUC并发包-[2].md
+++ b/docs/java_concurrency/Java并发体系-第三阶段-JUC并发包-[2].md
@@ -9,7 +9,7 @@ categories:
   - 原理
 keywords: Java并发，原理，源码
 description: 万字系列长文讲解-Java并发体系-第三阶段-JUC并发包。JUC在高并发编程中使用频率非常高，这里会详细介绍其用法。
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/Java_concurrency.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/Java_concurrency.png'
 abbrlink: 70c90e5d
 date: 2020-10-10 22:13:58
 ---
diff --git a/docs/java_concurrency/Java并发体系-第二阶段-锁与同步-[1].md b/docs/java_concurrency/Java并发体系-第二阶段-锁与同步-[1].md
index a76391a..6c57573 100644
--- a/docs/java_concurrency/Java并发体系-第二阶段-锁与同步-[1].md
+++ b/docs/java_concurrency/Java并发体系-第二阶段-锁与同步-[1].md
@@ -9,7 +9,7 @@ categories:
   - 原理
 keywords: Java并发，原理，源码
 description: '万字系列长文讲解-Java并发体系-第二阶段,从C++和硬件方面讲解。'
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/Java_concurrency.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/Java_concurrency.png'
 abbrlink: 230c5bb3
 date: 2020-10-06 22:09:58
 ---
diff --git a/docs/java_concurrency/Java并发体系-第二阶段-锁与同步-[2].md b/docs/java_concurrency/Java并发体系-第二阶段-锁与同步-[2].md
index ee4fe81..8a81ccc 100644
--- a/docs/java_concurrency/Java并发体系-第二阶段-锁与同步-[2].md
+++ b/docs/java_concurrency/Java并发体系-第二阶段-锁与同步-[2].md
@@ -9,7 +9,7 @@ categories:
   - 原理
 keywords: Java并发，原理，源码
 description: '万字系列长文讲解-Java并发体系-第二阶段,从C++和硬件方面讲解。'
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/Java_concurrency.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/Java_concurrency.png'
 abbrlink: '8210870'
 date: 2020-10-07 22:10:58
 ---
diff --git a/docs/java_concurrency/Java并发体系-第二阶段-锁与同步-[3].md b/docs/java_concurrency/Java并发体系-第二阶段-锁与同步-[3].md
index cd9c675..83ab3fc 100644
--- a/docs/java_concurrency/Java并发体系-第二阶段-锁与同步-[3].md
+++ b/docs/java_concurrency/Java并发体系-第二阶段-锁与同步-[3].md
@@ -9,7 +9,7 @@ categories:
   - 原理
 keywords: Java并发，原理，源码
 description: '万字系列长文讲解-Java并发体系-第二阶段,从C++和硬件方面讲解。'
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/Java_concurrency.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/Java_concurrency.png'
 abbrlink: 113a3931
 date: 2020-10-08 22:10:58
 ---
diff --git a/docs/java_concurrency/Java并发体系-第四阶段-AQS源码解读-[1].md b/docs/java_concurrency/Java并发体系-第四阶段-AQS源码解读-[1].md
index f2a9891..50b6211 100644
--- a/docs/java_concurrency/Java并发体系-第四阶段-AQS源码解读-[1].md
+++ b/docs/java_concurrency/Java并发体系-第四阶段-AQS源码解读-[1].md
@@ -8,7 +8,7 @@ categories:
   - 原理
 keywords: Java并发，AQS源码
 description: '万字系列长文讲解-Java并发体系-第四阶段-AQS源码解读-[1]。'
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/Java_concurrency.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/Java_concurrency.png'
 abbrlink: 92c4503d
 date: 2020-10-26 17:59:42
 ---
diff --git a/docs/netty/Netty入门-第一话.md b/docs/netty/Netty入门-第一话.md
index 3a5bc9d..ff64bb3 100644
--- a/docs/netty/Netty入门-第一话.md
+++ b/docs/netty/Netty入门-第一话.md
@@ -7,7 +7,7 @@ categories:
   - 入门
 keywords: Netty
 description: 第一话对BIO和NIO进行了讲解，为后续做准备。
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/netty_logo.jpg'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/netty_logo.jpg'
 abbrlink: 3f9283e7
 date: 2021-04-08 14:21:58
 ---
diff --git a/docs/netty/Netty入门-第三话.md b/docs/netty/Netty入门-第三话.md
index 5490f67..0bfca27 100644
--- a/docs/netty/Netty入门-第三话.md
+++ b/docs/netty/Netty入门-第三话.md
@@ -7,7 +7,7 @@ categories:
   - 入门
 keywords: Netty
 description: 对前面两话一些迷惑的点进行细说，讲解handler调用机制，TCP粘包，以及用netty写一个十分简单的RPC。
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/netty_logo.jpg'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/netty_logo.jpg'
 abbrlink: 429acc6d
 date: 2021-04-21 17:38:58
 ---
diff --git a/docs/netty/Netty入门-第二话.md b/docs/netty/Netty入门-第二话.md
index 401c4d3..b2add4f 100644
--- a/docs/netty/Netty入门-第二话.md
+++ b/docs/netty/Netty入门-第二话.md
@@ -7,7 +7,7 @@ categories:
   - 入门
 keywords: Netty
 description: 对Netty的架构进行了解析，主要是Reactor设计模式的多种解决方案。同时讲解了Netty的核心模块组件。
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/netty_logo.jpg'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/netty_logo.jpg'
 abbrlink: f846f3f
 date: 2021-04-15 14:21:58
 ---
diff --git a/docs/os/操作系统-IO与零拷贝.md b/docs/os/操作系统-IO与零拷贝.md
index 1211710..a64bcda 100644
--- a/docs/os/操作系统-IO与零拷贝.md
+++ b/docs/os/操作系统-IO与零拷贝.md
@@ -9,7 +9,7 @@ categories:
   - 操作系统
 keywords: 操作系统，IO，零拷贝
 description: 基本面试会问到的IO进行了详解，同时本篇文章也对面试以及平时工作中会看到的零拷贝进行了充分的解析。万字长文系列，读到就是赚到。
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/os_logo.jpg'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/os_logo.jpg'
 abbrlink: e959db2e
 date: 2021-04-08 15:21:58
 ---
diff --git a/docs/spring-sourcecode-v1/01.第1章-Spring源码纵览.md b/docs/spring-sourcecode-v1/01.第1章-Spring源码纵览.md
index ab52c4d..f5f30f0 100644
--- a/docs/spring-sourcecode-v1/01.第1章-Spring源码纵览.md
+++ b/docs/spring-sourcecode-v1/01.第1章-Spring源码纵览.md
@@ -7,7 +7,7 @@ categories:
   - 源码V1
 keywords: Spring，框架，Spring源码
 description: Spring源码纵览
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/spring.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/spring.png'
 abbrlink: 599156d
 date: 2021-12-06 23:21:58
 ---
diff --git a/docs/spring-sourcecode-v1/02.第2章-后置工厂处理器和Bean生命周期.md b/docs/spring-sourcecode-v1/02.第2章-后置工厂处理器和Bean生命周期.md
index 1d823a6..d7b9194 100644
--- a/docs/spring-sourcecode-v1/02.第2章-后置工厂处理器和Bean生命周期.md
+++ b/docs/spring-sourcecode-v1/02.第2章-后置工厂处理器和Bean生命周期.md
@@ -7,7 +7,7 @@ categories:
   - 源码V1
 keywords: Spring，框架，spring源码
 description: 开始讲最重要的xxxPostProcessor
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/spring.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/spring.png'
 abbrlink: 41fb8d9e
 date: 2021-12-21 20:21:58
 ---
diff --git a/docs/spring-sourcecode-v1/03.第3章-后置处理器和Bean生命周期.md b/docs/spring-sourcecode-v1/03.第3章-后置处理器和Bean生命周期.md
index f6701d1..c58dc9f 100644
--- a/docs/spring-sourcecode-v1/03.第3章-后置处理器和Bean生命周期.md
+++ b/docs/spring-sourcecode-v1/03.第3章-后置处理器和Bean生命周期.md
@@ -7,7 +7,7 @@ categories:
   - 源码V1
 keywords: Spring，框架，spring源码
 description: 前面讲了Bean工厂后置处理器，这一篇开始讲Bean后置处理器
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/spring.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/spring.png'
 abbrlink: 66c146e7
 date: 2022-01-01 00:01:02
 ---
diff --git a/docs/spring-sourcecode-v1/04.第4章-Bean初始化流程.md b/docs/spring-sourcecode-v1/04.第4章-Bean初始化流程.md
index 7500040..aee5f6c 100644
--- a/docs/spring-sourcecode-v1/04.第4章-Bean初始化流程.md
+++ b/docs/spring-sourcecode-v1/04.第4章-Bean初始化流程.md
@@ -7,7 +7,7 @@ categories:
   - 源码V1
 keywords: Spring，框架，spring源码
 description: 总结一下Bean的初始化
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/spring.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/spring.png'
 abbrlink: 49f419ae
 date: 2022-01-27 21:01:02
 ---
diff --git a/docs/spring-sourcecode-v1/05.第5章-容器刷新流程.md b/docs/spring-sourcecode-v1/05.第5章-容器刷新流程.md
index 2a42cec..85abcf7 100644
--- a/docs/spring-sourcecode-v1/05.第5章-容器刷新流程.md
+++ b/docs/spring-sourcecode-v1/05.第5章-容器刷新流程.md
@@ -7,7 +7,7 @@ categories:
   - 源码V1
 keywords: Spring，框架，spring源码
 description: 容器刷新全流程
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/spring.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/spring.png'
 abbrlink: a1b8c236
 date: 2022-02-13 18:01:02
 ---
diff --git a/docs/spring-sourcecode-v1/06.第6章-AOP的后置处理器和代理对象的创建.md b/docs/spring-sourcecode-v1/06.第6章-AOP的后置处理器和代理对象的创建.md
index a8929a1..354d990 100644
--- a/docs/spring-sourcecode-v1/06.第6章-AOP的后置处理器和代理对象的创建.md
+++ b/docs/spring-sourcecode-v1/06.第6章-AOP的后置处理器和代理对象的创建.md
@@ -7,7 +7,7 @@ categories:
   - 源码V1
 keywords: Spring，框架，spring源码
 description: AOP源码
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/spring.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/spring.png'
 abbrlink: 598f6b0d
 date: 2022-03-19 12:01:02
 ---
diff --git a/docs/spring_use/Spring常用注解.md b/docs/spring_use/Spring常用注解.md
index ac013ec..6d80384 100644
--- a/docs/spring_use/Spring常用注解.md
+++ b/docs/spring_use/Spring常用注解.md
@@ -8,7 +8,7 @@ categories:
   - 用法
 keywords: Spriong，框架
 description: 一些常用的注解
-cover: 'https://gitee.com/youthlql/randombg/raw/master/logo/spring.png'
+cover: 'https://npm.elemecdn.com/lql_static@latest/logo/spring.png'
 abbrlink: 1a003b7b
 date: 2021-10-06 00:21:58
 ---
diff --git a/docs/suibi/我的校招-不完全知识点整理.md b/docs/suibi/我的校招-不完全知识点整理.md
index dc86854..9bda003 100644
--- a/docs/suibi/我的校招-不完全知识点整理.md
+++ b/docs/suibi/我的校招-不完全知识点整理.md
@@ -7,7 +7,7 @@ categories:
   - 随笔
 keywords: 校招，面试
 description: 如题，一部分的整理【三万字】，具体的看文章
-cover: 'https://gitee.com/youthlql/randombg/raw/master/bg/00178.webp'
+cover: 'https://npm.elemecdn.com/lql_static@latest/bg/00178.webp'
 abbrlink: 5df2d017
 date: 2021-04-22 14:21:58
 ---