diff --git a/Screenshots/en_us/main.png b/Screenshots/en_us/main.png
index b06c85c1a..43bafd685 100644
Binary files a/Screenshots/en_us/main.png and b/Screenshots/en_us/main.png differ
diff --git a/Screenshots/main.png b/Screenshots/main.png
index 8146c211e..d60fa0d95 100644
Binary files a/Screenshots/main.png and b/Screenshots/main.png differ
diff --git a/Screenshots/option.jpg b/Screenshots/option.jpg
index 4b479b300..86ca7dad7 100644
Binary files a/Screenshots/option.jpg and b/Screenshots/option.jpg differ
diff --git a/Screenshots/skin_ini.png b/Screenshots/skin_ini.png
index 647059862..09d272a34 100644
Binary files a/Screenshots/skin_ini.png and b/Screenshots/skin_ini.png differ
diff --git a/UpdateLog/update_log.md b/UpdateLog/update_log.md
index 54341ee2f..68a69970b 100644
--- a/UpdateLog/update_log.md
+++ b/UpdateLog/update_log.md
@@ -1,6 +1,15 @@
**简体中文 | [繁體中文](./update_log_zh-tw.md) | [English](./update_log_en-us.md)**
# TrafficMonitor 更新日志
+## V1.81 (2021/07/27)
+
+* 修正1.80版本以来的一些崩溃的问题
+* 任务栏窗口显示项目支持自定义排序
+* 任务栏窗口中显示的项目数量为奇数时,最后一个项目垂直排列,以节省任务栏空间
+* 新增显示硬盘利用率的功能
+* 将右键菜单中的一些设置添加到选项设置界面中
+* 新增主窗口对多显示器的支持,在不勾选“允许超出屏幕边界”的情况下也能移动到其他显示器了
+
## V1.80.3 (2021/05/29)
* 修正无法显示CPU温度的问题
diff --git a/UpdateLog/update_log_en-us.md b/UpdateLog/update_log_en-us.md
index a1b5c028d..e4e50fb06 100644
--- a/UpdateLog/update_log_en-us.md
+++ b/UpdateLog/update_log_en-us.md
@@ -1,6 +1,15 @@
**[简体中文](./update_log.md) | [繁體中文](./update_log_zh-tw.md) | English**
# TrafficMonitor Update log
+## V1.81 (2021/07/27)
+
+* Fixed some crashes since version 1.80.
+* Added the support of custom sorting of the items in the taskbar window.
+* When the number of items displayed in the taskbar window is odd, the last item is arranged vertically to save space on the taskbar.
+* Added the function of monitoring the hard disk usage.
+* Add some settings in the right-click menu to the option settings dialog.
+* Added the support for multiple monitors of the main window. You can move the main window to other monitors without checking "Allow out of screen boundaries".
+
## V1.80.3 (2021/05/29)
* Fixed the problem that the CPU temperature cannot be displayed
diff --git a/UpdateLog/update_log_zh-tw.md b/UpdateLog/update_log_zh-tw.md
index 8c080c6c1..5ec2b9f84 100644
--- a/UpdateLog/update_log_zh-tw.md
+++ b/UpdateLog/update_log_zh-tw.md
@@ -1,6 +1,15 @@
**[简体中文](./update_log.md) | 繁體中文 | [English](./update_log_en-us.md)**
# TrafficMonitor 更新日誌
+## V1.81 (2021/07/27)
+
+* 修正1.80版本以來的一些崩潰的問題
+* 工作列視窗顯示專案支援自定義排序
+* 工作列視窗中顯示的專案數量為奇數時,最後一個專案垂直排列,以節省工作列空間
+* 新增顯示硬碟利用率的功能
+* 將右鍵選單中的一些設定新增到選項設定介面中
+* 新增主視窗對多顯示器的支援,在不勾選“允許超出螢幕邊界”的情況下也能移動到其他顯示器了
+
## V1.80.3 (2021/05/29)
* 修正無法顯示CPU溫度的問題