Update JJQQKK download links.

README.md

@@ -19,9 +19,9 @@ JJQQKK支持Windows和macOS。
 
 ### Windows安装包
 
-[下载地址一](http://206.189.78.230/JJQQKK-2.3.0.msi)
+[下载地址一](http://138.68.29.7/JJQQKK-2.4.0.msi)
 
-[下载地址二](https://github.com/jjqqkk/chromium/releases/download/77.0.3824.6/JJQQKK-2.3.0.msi)
+[下载地址二](https://github.com/jjqqkk/chromium/releases/download/77.0.3833.0/JJQQKK-2.4.0.msi)
 
 运行msi安装程序，安装之后双击桌面图标，启动程序。
 
@@ -40,9 +40,9 @@ JJQQKK每次启动时会自动下载最新版Chromium浏览器。
 
 ### macOS安装包
 
-[下载地址一](http://206.189.78.230/JJQQKK-2.3.0.pkg)
+[下载地址一](http://138.68.29.7/JJQQKK-2.4.0.pkg)
 
-[下载地址二](https://github.com/jjqqkk/chromium/releases/download/77.0.3824.6/JJQQKK-2.3.0.pkg)
+[下载地址二](https://github.com/jjqqkk/chromium/releases/download/77.0.3833.0/JJQQKK-2.4.0.pkg)
 
 
 macOS用户安装pkg之后，系统自动运行JJQQKK，通过顶端任务栏图标使用JJQQKK。

README_en.md

@@ -20,9 +20,9 @@ JJQQKK runs on Windows and macOS. System requirements:
 
 ### Windows
 
-[Download Link #1](http://206.189.78.230/JJQQKK-2.3.0.msi)
+[Download Link #1](http://138.68.29.7/JJQQKK-2.4.0.msi)
 
-[Download Link #2](https://github.com/jjqqkk/chromium/releases/download/77.0.3824.6/JJQQKK-2.3.0.msi)
+[Download Link #2](https://github.com/jjqqkk/chromium/releases/download/77.0.3833.0/JJQQKK-2.4.0.msi)
 
 Run the **msi** installer program, follow all the steps with the default settings and finish the installation.
 
@@ -43,9 +43,9 @@ notification area.
 
 ### macOS
 
-[Download Link #1](http://206.189.78.230/JJQQKK-2.3.0.pkg)
+[Download Link #1](http://138.68.29.7/JJQQKK-2.4.0.pkg)
 
-[Download Link #2](https://github.com/jjqqkk/chromium/releases/download/77.0.3824.6/JJQQKK-2.3.0.pkg)
+[Download Link #2](https://github.com/jjqqkk/chromium/releases/download/77.0.3833.0/JJQQKK-2.4.0.pkg)
 
 Run the pkg installer. It will install JJQQKK and start it automatically.