diff --git a/DSView/DSView.qrc b/DSView/DSView.qrc
index a1408110..d11c660c 100644
--- a/DSView/DSView.qrc
+++ b/DSView/DSView.qrc
@@ -140,5 +140,7 @@
         <file>icons/logo.svg</file>
         <file>icons/light/update.svg</file>
         <file>icons/dark/update.svg</file>
+        <file>icons/light/log.svg</file>
+        <file>icons/dark/log.svg</file>
     </qresource>
 </RCC>
diff --git a/DSView/icons/dark/log.svg b/DSView/icons/dark/log.svg
new file mode 100644
index 00000000..60b74831
--- /dev/null
+++ b/DSView/icons/dark/log.svg
@@ -0,0 +1,171 @@
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diff --git a/DSView/icons/light/log.svg b/DSView/icons/light/log.svg
new file mode 100644
index 00000000..452e040a
--- /dev/null
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diff --git a/DSView/pv/toolbars/logobar.cpp b/DSView/pv/toolbars/logobar.cpp
index 48ff6271..d55d6a29 100644
--- a/DSView/pv/toolbars/logobar.cpp
+++ b/DSView/pv/toolbars/logobar.cpp
@@ -152,7 +152,7 @@ void LogoBar::reStyle()
     _manual->setIcon(QIcon(iconPath+"/manual.svg"));
     _issue->setIcon(QIcon(iconPath+"/bug.svg"));
     _update->setIcon(QIcon(iconPath+"/update.svg"));
-    _log->setIcon(QIcon(iconPath+"/file.svg"));
+    _log->setIcon(QIcon(iconPath+"/log.svg"));
 
     if (_connected)
         _logo_button.setIcon(QIcon(iconPath+"/logo_color.svg"));
diff --git a/NEWS25 b/NEWS25
index 2500e0b3..20d80cf9 100644
--- a/NEWS25
+++ b/NEWS25
@@ -1,3 +1,20 @@
+1.2.1 -- (2022-08-27)
+----------
+  （通用）
+  *修复安装路径的多语言支持
+  *修复某些云桌面系统无法识别设备的问题
+  *增加日志记录，以及日志级别设置功能
+
+  （逻辑分析仪）
+  *修复保存文件时，I2C解码器无法自动保存的问题
+  *修复保存文件时，中文通道名称的乱码问题
+  *修复某些解码器对无效数据的解码报错问题
+  *添加parallel解码器的数据格式选择
+  *修复DSLogic U3Pro32在USB2.0连接下的通道模式选择问题
+ 
+  （示波器）
+  *修复特定情况下缩放波形，中心位置偏移的问题
+
 1.2.0 -- (2022-07-05)
 -----------------
   （通用）
diff --git a/NEWS31 b/NEWS31
index cb1114ce..deb0d0b9 100644
--- a/NEWS31
+++ b/NEWS31
@@ -1,3 +1,20 @@
+1.2.1 -- (2022-08-27)
+-----------------
+  --common
+  *add multilingual support for installation paths
+  *fix the problem that some cloud desktop systems cannot recognize devices
+  *Add logging and log level setting function
+
+  --for logic analyzer
+  *fix I2C decoder save issue when saving dsl files
+  *add multingual supoort for channel name when saving dsl files
+  *fix decoder errors when decoding invalid data
+  *add data format selection of parallel decoder
+  *fix channel mode issue of DSLogic U3Pro32 under USB2.0 connection
+
+  --for oscilloscope
+  *fix center position offset issue when scaling waveform
+
 1.2.0 -- (2022-07-05)
 -----------------
   --common