1.增加日志自动滚动功能

2.扫描错误自动显示日志对话框

app/scanner/Scanner_zh_CN.ts

@@ -207,25 +207,25 @@
         <translation>所有页</translation>
     </message>
     <message>
-        <location filename="dialog_aquireinto.cpp" line="42"/>
-        <location filename="dialog_aquireinto.cpp" line="156"/>
-        <location filename="dialog_aquireinto.cpp" line="183"/>
-        <location filename="dialog_aquireinto.cpp" line="190"/>
+        <location filename="dialog_aquireinto.cpp" line="43"/>
+        <location filename="dialog_aquireinto.cpp" line="157"/>
+        <location filename="dialog_aquireinto.cpp" line="184"/>
+        <location filename="dialog_aquireinto.cpp" line="191"/>
         <source>e.g. &apos;%1%2&apos;</source>
         <translation>例如.“%1%2”</translation>
     </message>
     <message>
-        <location filename="dialog_aquireinto.cpp" line="50"/>
+        <location filename="dialog_aquireinto.cpp" line="51"/>
         <source>ok</source>
         <translation>确定</translation>
     </message>
     <message>
-        <location filename="dialog_aquireinto.cpp" line="51"/>
+        <location filename="dialog_aquireinto.cpp" line="52"/>
         <source>cancel</source>
         <translation>取消</translation>
     </message>
     <message>
-        <location filename="dialog_aquireinto.cpp" line="111"/>
+        <location filename="dialog_aquireinto.cpp" line="112"/>
         <source>Browse directory</source>
         <translation>文件夹路径</translation>
     </message>
@@ -279,7 +279,7 @@
         <translation>关闭</translation>
     </message>
     <message>
-        <location filename="dialog_clrcache.cpp" line="44"/>
+        <location filename="dialog_clrcache.cpp" line="45"/>
         <source>Question</source>
         <translation>询问</translation>
     </message>
@@ -290,45 +290,45 @@ Continue to clear?</source>
 继续清除？</translation>
     </message>
     <message>
-        <location filename="dialog_clrcache.cpp" line="45"/>
+        <location filename="dialog_clrcache.cpp" line="46"/>
         <source>Main window contains temporary files, clear cache would remove all of them.
  Continue to clear?</source>
         <translation>主窗口中包含临时文件，清除缓存将会移除这些文件。
 继续清除？</translation>
     </message>
     <message>
-        <location filename="dialog_clrcache.cpp" line="47"/>
+        <location filename="dialog_clrcache.cpp" line="48"/>
         <source>yes</source>
         <translation>确定</translation>
     </message>
     <message>
-        <location filename="dialog_clrcache.cpp" line="48"/>
+        <location filename="dialog_clrcache.cpp" line="49"/>
         <source>no</source>
         <translation>取消</translation>
     </message>
     <message>
-        <location filename="dialog_clrcache.cpp" line="40"/>
-        <location filename="dialog_clrcache.cpp" line="59"/>
+        <location filename="dialog_clrcache.cpp" line="41"/>
+        <location filename="dialog_clrcache.cpp" line="60"/>
         <source>Information</source>
         <translation>消息</translation>
     </message>
     <message>
-        <location filename="dialog_clrcache.cpp" line="40"/>
+        <location filename="dialog_clrcache.cpp" line="41"/>
         <source>No cached file is available</source>
         <translation>暂无缓存文件</translation>
     </message>
     <message>
-        <location filename="dialog_clrcache.cpp" line="59"/>
+        <location filename="dialog_clrcache.cpp" line="60"/>
         <source>Cache clear successfully.</source>
         <translation>缓存清除成功。</translation>
     </message>
     <message>
-        <location filename="dialog_clrcache.cpp" line="63"/>
+        <location filename="dialog_clrcache.cpp" line="64"/>
         <source>Warning</source>
         <translation>警告</translation>
     </message>
     <message>
-        <location filename="dialog_clrcache.cpp" line="63"/>
+        <location filename="dialog_clrcache.cpp" line="64"/>
         <source>Cache clear failed or incompletely clear.</source>
         <translation>缓存清除失败或者未清除干净。</translation>
     </message>
@@ -1547,53 +1547,51 @@ Please make sure the two passwords are the same.</source>
         <translation type="unfinished">图像编辑...</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="62"/>
+        <location filename="mainwindow.cpp" line="63"/>
         <source>HuaGoScan</source>
         <translation>华高扫描软件</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="186"/>
+        <location filename="mainwindow.cpp" line="187"/>
         <source>Grid</source>
         <translation>多列显示</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="191"/>
+        <location filename="mainwindow.cpp" line="192"/>
         <source>Move To...</source>
         <translation type="unfinished">移动到...</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="195"/>
+        <location filename="mainwindow.cpp" line="196"/>
         <source>Insert files</source>
         <translation>插入文件</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="220"/>
         <location filename="mainwindow.cpp" line="221"/>
         <location filename="mainwindow.cpp" line="222"/>
+        <location filename="mainwindow.cpp" line="223"/>
         <source>nodevice</source>
         <translation>没有发现扫描仪</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="380"/>
-        <location filename="mainwindow.cpp" line="427"/>
-        <location filename="mainwindow.cpp" line="1122"/>
-        <location filename="mainwindow.cpp" line="1403"/>
-        <location filename="mainwindow.cpp" line="1443"/>
-        <location filename="mainwindow.cpp" line="1688"/>
-        <location filename="mainwindow.cpp" line="1947"/>
+        <location filename="mainwindow.cpp" line="381"/>
+        <location filename="mainwindow.cpp" line="428"/>
+        <location filename="mainwindow.cpp" line="1132"/>
+        <location filename="mainwindow.cpp" line="1156"/>
+        <location filename="mainwindow.cpp" line="1684"/>
+        <location filename="mainwindow.cpp" line="1943"/>
         <source>Question</source>
         <translation>警告</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="381"/>
-        <location filename="mainwindow.cpp" line="1404"/>
-        <location filename="mainwindow.cpp" line="1444"/>
+        <location filename="mainwindow.cpp" line="382"/>
+        <location filename="mainwindow.cpp" line="1133"/>
         <source>modified, save it?</source>
         <translation>图像已被修改。
 是否保存修改？</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="428"/>
+        <location filename="mainwindow.cpp" line="429"/>
         <source>file lost, remove it?</source>
         <translation type="unfinished">文件已丢失，是否删除？</translation>
     </message>
@@ -1602,7 +1600,7 @@ Please make sure the two passwords are the same.</source>
         <translation type="vanished">  已连接</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="706"/>
+        <location filename="mainwindow.cpp" line="711"/>
         <source> disconnected</source>
         <translation>  已断开连接</translation>
     </message>
@@ -1619,301 +1617,299 @@ Please make sure the two passwords are the same.</source>
         <translation type="vanished">扫描完成</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1119"/>
+        <location filename="mainwindow.cpp" line="1153"/>
         <source>Clear, then start scan</source>
         <translation>清空并启动扫描</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1120"/>
+        <location filename="mainwindow.cpp" line="1154"/>
         <source>Do NOT clear, then start scan</source>
         <translation>不清空并启动扫描</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1123"/>
+        <location filename="mainwindow.cpp" line="1157"/>
         <source>Already exist images in image list.
 Do you want to clear?</source>
         <translation>图像列表中已存在图像。
 是否清空？</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1157"/>
+        <location filename="mainwindow.cpp" line="1191"/>
         <source>Information</source>
         <translation type="unfinished">消息</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1158"/>
+        <location filename="mainwindow.cpp" line="1192"/>
         <source>Insufficient disk space</source>
         <translation type="unfinished">磁盘空间不足，请删除不需要的文件，以保证有足够的空间</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1352"/>
+        <location filename="mainwindow.cpp" line="1386"/>
         <source>Open images</source>
         <translation>打开图片</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1363"/>
+        <location filename="mainwindow.cpp" line="1397"/>
         <source>Insert images</source>
         <translation>插入图片</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1486"/>
-        <location filename="mainwindow.cpp" line="1529"/>
-        <location filename="mainwindow.cpp" line="1534"/>
+        <location filename="mainwindow.cpp" line="1482"/>
+        <location filename="mainwindow.cpp" line="1525"/>
+        <location filename="mainwindow.cpp" line="1530"/>
         <source>info</source>
         <translation type="unfinished">信息</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1486"/>
-        <location filename="mainwindow.cpp" line="1529"/>
+        <location filename="mainwindow.cpp" line="1482"/>
+        <location filename="mainwindow.cpp" line="1525"/>
         <source>save failed</source>
         <translation type="unfinished">保存失败</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1534"/>
+        <location filename="mainwindow.cpp" line="1530"/>
         <source>find savePath in thumbnail</source>
         <translation type="unfinished">图片名在列表中已存在</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1607"/>
+        <location filename="mainwindow.cpp" line="1603"/>
         <source>File name</source>
         <translation>文件名</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1607"/>
+        <location filename="mainwindow.cpp" line="1603"/>
         <source>File path</source>
         <translation>文件路径</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1607"/>
+        <location filename="mainwindow.cpp" line="1603"/>
         <source>File size</source>
         <translation>文件大小</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1607"/>
+        <location filename="mainwindow.cpp" line="1603"/>
         <source>Creation date/time</source>
         <translation>创建时间</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1607"/>
+        <location filename="mainwindow.cpp" line="1603"/>
         <source>Modified date/time</source>
         <translation>修改时间</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1607"/>
+        <location filename="mainwindow.cpp" line="1603"/>
         <source>Accessed date/time</source>
         <translation>访问时间</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1650"/>
+        <location filename="mainwindow.cpp" line="1646"/>
         <source>Format</source>
         <translation>格式</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1650"/>
+        <location filename="mainwindow.cpp" line="1646"/>
         <source>Width</source>
         <translation>宽度</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1650"/>
+        <location filename="mainwindow.cpp" line="1646"/>
         <source>Height</source>
         <translation>高度</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1650"/>
+        <location filename="mainwindow.cpp" line="1646"/>
         <source>depth</source>
         <translation>深度</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1650"/>
+        <location filename="mainwindow.cpp" line="1646"/>
         <source>Color model</source>
         <translation>色彩模式</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1650"/>
+        <location filename="mainwindow.cpp" line="1646"/>
         <source>DPI</source>
         <translation>每英寸像素点</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1650"/>
+        <location filename="mainwindow.cpp" line="1646"/>
         <source>Print size</source>
         <translation>打印尺寸</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1650"/>
+        <location filename="mainwindow.cpp" line="1646"/>
         <source>Frame</source>
         <translation>帧</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1658"/>
+        <location filename="mainwindow.cpp" line="1654"/>
         <source>None</source>
         <translation>无</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1658"/>
+        <location filename="mainwindow.cpp" line="1654"/>
         <source>Mono</source>
         <translation>黑白</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1658"/>
+        <location filename="mainwindow.cpp" line="1654"/>
         <source>Gray</source>
         <translation>灰度</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1658"/>
+        <location filename="mainwindow.cpp" line="1654"/>
         <source>Color</source>
         <translation>彩色</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1679"/>
+        <location filename="mainwindow.cpp" line="1675"/>
         <source>Warning</source>
         <translation>警告</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1679"/>
+        <location filename="mainwindow.cpp" line="1675"/>
         <source>Device is Running!
 Please finish scanning first.</source>
         <translation>设备正在运行！
 请先结束扫描。</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1689"/>
+        <location filename="mainwindow.cpp" line="1685"/>
         <source>Application is about to close.Make sure all needed files are saved.
 Continue to close?</source>
         <translation>应用程序即将关闭。请确认所有需要的文件已被保存。
 是否继续关闭？</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="1948"/>
+        <location filename="mainwindow.cpp" line="1944"/>
         <source>Sure to sign out administrator account?</source>
         <translation>是否确定登出管理员账户？</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="2370"/>
+        <location filename="mainwindow.cpp" line="2378"/>
         <source>open scanner </source>
         <translation type="unfinished">打开扫描仪</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="2371"/>
-        <location filename="mainwindow.cpp" line="2417"/>
+        <location filename="mainwindow.cpp" line="2379"/>
+        <location filename="mainwindow.cpp" line="2425"/>
         <source>app name</source>
         <translation type="unfinished">华高扫描软件</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="2376"/>
-        <location filename="mainwindow.cpp" line="2448"/>
+        <location filename="mainwindow.cpp" line="2384"/>
+        <location filename="mainwindow.cpp" line="2456"/>
         <source>success</source>
         <translation type="unfinished">成功</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="2385"/>
+        <location filename="mainwindow.cpp" line="2393"/>
         <source>apply setting </source>
         <translation type="unfinished">应用配置</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="2385"/>
+        <location filename="mainwindow.cpp" line="2393"/>
         <source> success</source>
         <translation type="unfinished">成功</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="2385"/>
+        <location filename="mainwindow.cpp" line="2393"/>
         <source> failed</source>
         <translation type="unfinished">失败</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="2403"/>
-        <location filename="mainwindow.cpp" line="2450"/>
+        <location filename="mainwindow.cpp" line="2411"/>
+        <location filename="mainwindow.cpp" line="2458"/>
         <source>failed</source>
         <translation type="unfinished">失败</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="2425"/>
+        <location filename="mainwindow.cpp" line="2433"/>
         <source>lost config</source>
         <translation type="unfinished">配置丢失</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="2445"/>
+        <location filename="mainwindow.cpp" line="2453"/>
         <source>apply setting</source>
         <translation type="unfinished">应用配置</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="867"/>
-        <location filename="mainwindow.cpp" line="868"/>
-        <location filename="mainwindow.cpp" line="869"/>
+        <location filename="mainwindow.cpp" line="874"/>
+        <location filename="mainwindow.cpp" line="875"/>
+        <location filename="mainwindow.cpp" line="876"/>
+        <location filename="mainwindow.cpp" line="2133"/>
+        <location filename="mainwindow.cpp" line="2134"/>
         <location filename="mainwindow.cpp" line="2135"/>
-        <location filename="mainwindow.cpp" line="2136"/>
-        <location filename="mainwindow.cpp" line="2137"/>
-        <location filename="mainwindow.cpp" line="2179"/>
         <location filename="mainwindow.cpp" line="2180"/>
         <location filename="mainwindow.cpp" line="2181"/>
-        <location filename="mainwindow.cpp" line="2233"/>
-        <location filename="mainwindow.cpp" line="2234"/>
-        <location filename="mainwindow.cpp" line="2235"/>
-        <location filename="mainwindow.cpp" line="2292"/>
-        <location filename="mainwindow.cpp" line="2293"/>
-        <location filename="mainwindow.cpp" line="2294"/>
+        <location filename="mainwindow.cpp" line="2182"/>
+        <location filename="mainwindow.cpp" line="2237"/>
+        <location filename="mainwindow.cpp" line="2238"/>
+        <location filename="mainwindow.cpp" line="2239"/>
+        <location filename="mainwindow.cpp" line="2299"/>
+        <location filename="mainwindow.cpp" line="2300"/>
+        <location filename="mainwindow.cpp" line="2301"/>
         <source>start failed</source>
         <translation>启动失败</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="383"/>
-        <location filename="mainwindow.cpp" line="430"/>
-        <location filename="mainwindow.cpp" line="1159"/>
-        <location filename="mainwindow.cpp" line="1406"/>
-        <location filename="mainwindow.cpp" line="1446"/>
-        <location filename="mainwindow.cpp" line="1691"/>
-        <location filename="mainwindow.cpp" line="1949"/>
+        <location filename="mainwindow.cpp" line="384"/>
+        <location filename="mainwindow.cpp" line="431"/>
+        <location filename="mainwindow.cpp" line="1135"/>
+        <location filename="mainwindow.cpp" line="1193"/>
+        <location filename="mainwindow.cpp" line="1687"/>
+        <location filename="mainwindow.cpp" line="1945"/>
         <source>yes</source>
         <translation>确定</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="384"/>
-        <location filename="mainwindow.cpp" line="431"/>
-        <location filename="mainwindow.cpp" line="1407"/>
-        <location filename="mainwindow.cpp" line="1447"/>
-        <location filename="mainwindow.cpp" line="1692"/>
-        <location filename="mainwindow.cpp" line="1950"/>
+        <location filename="mainwindow.cpp" line="385"/>
+        <location filename="mainwindow.cpp" line="432"/>
+        <location filename="mainwindow.cpp" line="1136"/>
+        <location filename="mainwindow.cpp" line="1688"/>
+        <location filename="mainwindow.cpp" line="1946"/>
         <source>no</source>
         <translation>取消</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="662"/>
+        <location filename="mainwindow.cpp" line="663"/>
         <source>found device </source>
         <translation type="unfinished">发现设备</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="670"/>
+        <location filename="mainwindow.cpp" line="673"/>
         <source> reconnected</source>
         <translation type="unfinished">重新连接</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="788"/>
-        <location filename="mainwindow.cpp" line="807"/>
+        <location filename="mainwindow.cpp" line="793"/>
+        <location filename="mainwindow.cpp" line="812"/>
         <source>%1%2%3.%4</source>
         <translation type="unfinished">%1%2%3.%4</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="2004"/>
-        <location filename="mainwindow.cpp" line="2006"/>
+        <location filename="mainwindow.cpp" line="2000"/>
+        <location filename="mainwindow.cpp" line="2002"/>
         <source>hint</source>
         <translation>提示</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="2004"/>
+        <location filename="mainwindow.cpp" line="2000"/>
         <source>Roller scanned count has been set to 0.</source>
         <translation>辊轴计数已置零</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="2006"/>
+        <location filename="mainwindow.cpp" line="2002"/>
         <source>Roller scanned count reset failed.</source>
         <translation>重置辊轴计数失败</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="2019"/>
+        <location filename="mainwindow.cpp" line="2015"/>
         <source>Error</source>
         <translation>错误</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="2019"/>
+        <location filename="mainwindow.cpp" line="2015"/>
         <source>Document missing! It would be deleted or renamed.</source>
         <translation>文档丢失！文档可能已被删除或被重命名。</translation>
     </message>
@@ -1946,39 +1942,39 @@ Continue to close?</source>
         <translation type="vanished">&lt;br&gt;导航地址: &lt;a href=&apos;https://j.map.baidu.com/7e/1TO&apos;&gt;百度地图访问&lt;/a&gt;</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="2038"/>
+        <location filename="mainwindow.cpp" line="2034"/>
         <source>About %1</source>
         <translation>关于 %1</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="2039"/>
+        <location filename="mainwindow.cpp" line="2035"/>
         <source>&lt;p&gt;%1&lt;/p&gt;&lt;p&gt;Version: %2&lt;br&gt;CopyRight: &amp;#169; %3&lt;/p&gt;&lt;p&gt;%4%5%6%7%8%9&lt;/p&gt;</source>
         <translation>&lt;p&gt;%1&lt;/p&gt;&lt;p&gt;版本: %2&lt;br&gt;版权: &amp;#169; %3&lt;/p&gt;&lt;p&gt;%4%5%6%7%8%9&lt;/p&gt;</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="2053"/>
+        <location filename="mainwindow.cpp" line="2049"/>
         <source>about %1</source>
         <translation>关于 %1</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="2054"/>
+        <location filename="mainwindow.cpp" line="2050"/>
         <source>&lt;p&gt;Version: %1&lt;/p&gt;</source>
         <oldsource>&lt;p&gt;版本: %1&lt;/p&gt;</oldsource>
         <translation>&lt;p&gt;版本： %1&lt;/p&gt;</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="2055"/>
+        <location filename="mainwindow.cpp" line="2051"/>
         <source>&lt;p&gt;CopyRight: &amp;#169; %1&lt;/p&gt;</source>
         <oldsource>&lt;p&gt;版权: &amp;#169; %1&lt;/p&gt;</oldsource>
         <translation>&lt;p&gt;版权： &amp;#169; %1&lt;/p&gt;</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="2059"/>
+        <location filename="mainwindow.cpp" line="2055"/>
         <source>&lt;p&gt;%1: &lt;a href=&apos;%2&apos;&gt;%3&lt;/a&gt;&lt;/p&gt;</source>
         <translation>&lt;p&gt;%1: &lt;a href=&apos;%2&apos;&gt;%3&lt;/a&gt;&lt;/p&gt;</translation>
     </message>
     <message>
-        <location filename="mainwindow.cpp" line="2061"/>
+        <location filename="mainwindow.cpp" line="2057"/>
         <source>&lt;p&gt;%1: %2&lt;/p&gt;</source>
         <translation>&lt;p&gt;%1: %2&lt;/p&gt;</translation>
     </message>
@@ -2014,17 +2010,17 @@ Continue to close?</source>
         <translation></translation>
     </message>
     <message>
-        <location filename="widget_statusbar.ui" line="55"/>
+        <location filename="widget_statusbar.ui" line="65"/>
         <source>0/0</source>
         <translation>0/0</translation>
     </message>
     <message>
-        <location filename="widget_statusbar.ui" line="69"/>
+        <location filename="widget_statusbar.ui" line="79"/>
         <source>0*0*0</source>
         <translation>0×0×0</translation>
     </message>
     <message>
-        <location filename="widget_statusbar.ui" line="83"/>
+        <location filename="widget_statusbar.ui" line="93"/>
         <source>X:0, Y:0</source>
         <translation></translation>
     </message>
@@ -2050,17 +2046,22 @@ Continue to close?</source>
         <translation>扫描状态信息</translation>
     </message>
     <message>
-        <location filename="dialog_log.cpp" line="21"/>
+        <location filename="dialog_log.cpp" line="22"/>
         <source>cancel scan</source>
         <translation>取消扫描</translation>
     </message>
     <message>
         <location filename="dialog_log.cpp" line="23"/>
+        <source>auto scroll</source>
+        <translation type="unfinished">自动滚动</translation>
+    </message>
+    <message>
+        <location filename="dialog_log.cpp" line="25"/>
         <source>continue scan</source>
         <translation>继续扫描</translation>
     </message>
     <message>
-        <location filename="dialog_log.cpp" line="24"/>
+        <location filename="dialog_log.cpp" line="26"/>
         <source>finish scan</source>
         <translation>完成扫描</translation>
     </message>
@@ -2073,7 +2074,7 @@ Continue to close?</source>
         <translation type="vanished">展开</translation>
     </message>
     <message>
-        <location filename="dialog_log.cpp" line="22"/>
+        <location filename="dialog_log.cpp" line="24"/>
         <source>clear</source>
         <translation>清空信息</translation>
     </message>

app/scanner/dialog_log.cpp

 #include "dialog_log.h"
 #include "ui_dialog_log.h"
 #include <QDateTime>
+#include "app_cfg.h"
 
 dialog_log::dialog_log(QWidget *parent)
     : QDialog(parent)
@@ -10,6 +11,7 @@ dialog_log::dialog_log(QWidget *parent)
     QHBoxLayout *bottom = new QHBoxLayout();
 
     pbtn_clear = new QPushButton(this);
+    cBox_autoScroll = new QCheckBox(this);
     pbtn_stop = new QPushButton(this);
     pbtn_continueScan = new QPushButton(this);
     pbtn_finishScan = new QPushButton(this);
@@ -19,11 +21,13 @@ dialog_log::dialog_log(QWidget *parent)
     pbtn_finishScan->setVisible(false);
 
     pbtn_stop->setText(tr("cancel scan"));
+    cBox_autoScroll->setText(tr("auto scroll"));
     pbtn_clear->setText(tr("clear"));
     pbtn_continueScan->setText(tr("continue scan"));
     pbtn_finishScan->setText(tr("finish scan"));
 
     bottom->addWidget(pbtn_clear);
+    bottom->addWidget(cBox_autoScroll);
     bottom->addStretch();
     bottom->addWidget(pbtn_stop);
     bottom->addWidget(pbtn_continueScan);
@@ -31,6 +35,9 @@ dialog_log::dialog_log(QWidget *parent)
 
     ui->verticalLayout->addItem(bottom);
 
+    cBox_autoScroll->setChecked(getCfgValue("log", "autoScroll", false));
+
+    connect(cBox_autoScroll, SIGNAL(stateChanged(int)), this, SLOT(on_cbox_autoScroll_stateChanged(int)));
     connect(pbtn_stop, SIGNAL(clicked(bool)), this, SLOT(on_pbtn_stop_clicked()));
     connect(pbtn_clear, SIGNAL(clicked(bool)), this, SLOT(on_pbtn_clear_clicked()));
     connect(pbtn_continueScan, SIGNAL(clicked(bool)), this, SLOT(on_pbtn_continuScan_cliked()));
@@ -60,6 +67,11 @@ void dialog_log::addLog(const QString &log, bool err)
     int idx = ui->listWidget->count() - 1;
     if (idx >= 0)
         ui->listWidget->item(idx)->setTextColor(err ? Qt::red : Qt::black);
+
+    if (cBox_autoScroll->isChecked())
+    {
+        ui->listWidget->scrollToItem(ui->listWidget->item(idx));
+    }
 }
 
 void dialog_log::updateStatus(bool online, bool isScanning)
@@ -103,6 +115,11 @@ void dialog_log::on_pbtn_finishScan_cliked()
     close();
 }
 
+void dialog_log::on_cbox_autoScroll_stateChanged(int state)
+{
+    saveCfgValue("log", "autoScroll", cBox_autoScroll->isChecked());
+}
+
 void dialog_log::on_pbtn_stop_clicked(void)
 {
     emit stopScan();

app/scanner/dialog_log.h

@@ -3,6 +3,7 @@
 
 #include <QDialog>
 #include <QPushButton>
+#include <QCheckBox>
 class QLabel;
 
 namespace Ui {
@@ -35,6 +36,7 @@ private:
     void closeEvent(QCloseEvent *event);
 
 private slots:
+    void on_cbox_autoScroll_stateChanged(int state);
     void on_pbtn_stop_clicked(void);
     void on_pbtn_clear_clicked();
     void on_pbtn_continuScan_cliked();
@@ -43,6 +45,7 @@ private slots:
 private:
     Ui::dialog_log *ui;
     QPushButton *pbtn_stop;
+    QCheckBox *cBox_autoScroll;
     QPushButton *pbtn_clear;
     QPushButton *pbtn_continueScan;
     QPushButton *pbtn_finishScan;

app/scanner/mainwindow.cpp

@@ -881,8 +881,9 @@ void MainWindow::on_continueScan()
         m_thumb->setAcceptDrops(false);
         m_dialogLog->updateStatus(cur_dev_.is_online() && 0 != m_scanType, m_isScanning);
         updateActionStatus();
-        m_dialogLog->show();
     }
+
+    m_dialogLog->show();
 }
 
 void MainWindow::on_stopScan()
@@ -2139,8 +2140,9 @@ void MainWindow::on_act_acquire_triggered()
         m_thumb->setAcceptDrops(false);
         m_dialogLog->updateStatus(cur_dev_.is_online() && 0 != m_scanType, m_isScanning);
         updateActionStatus();
-        m_dialogLog->show();
     }
+
+    m_dialogLog->show();
 }
 
 void MainWindow::on_act_acquireSingle_triggered()
@@ -2185,8 +2187,9 @@ void MainWindow::on_act_acquireSingle_triggered()
         m_thumb->setAcceptDrops(false);
         m_dialogLog->updateStatus(cur_dev_.is_online() && 0 != m_scanType, m_isScanning);
         updateActionStatus();
-        m_dialogLog->show();
     }
+
+    m_dialogLog->show();
 }
 
 void MainWindow::on_act_acquireInto_triggered()
@@ -2241,8 +2244,9 @@ void MainWindow::on_act_acquireInto_triggered()
             m_thumb->setAcceptDrops(false);
             m_dialogLog->updateStatus(cur_dev_.is_online() && 0 != m_scanType, m_isScanning);
             updateActionStatus();
-            m_dialogLog->show();
         }
+
+        m_dialogLog->show();
     }
 }
 
@@ -2302,8 +2306,9 @@ void MainWindow::on_act_insertFromScanner_triggered()
             m_thumb->setAcceptDrops(false);
             m_dialogLog->updateStatus(cur_dev_.is_online() && 0 != m_scanType, m_isScanning);
             updateActionStatus();
-            m_dialogLog->show();
         }
+
+        m_dialogLog->show();
     }
 }
 

app/scanner/widget_statusbar.ui

@@ -13,7 +13,7 @@
   <property name="windowTitle">
    <string>Form</string>
   </property>
-  <layout class="QHBoxLayout" name="horizontalLayout" stretch="0,0,0,0,0,0,0,0">
+  <layout class="QHBoxLayout" name="horizontalLayout" stretch="0,0,0,0,0,0,0,0,0">
    <property name="spacing">
     <number>5</number>
    </property>
@@ -49,6 +49,16 @@
      </property>
     </spacer>
    </item>
+   <item>
+    <widget class="QFrame" name="frame_2">
+     <property name="frameShape">
+      <enum>QFrame::VLine</enum>
+     </property>
+     <property name="frameShadow">
+      <enum>QFrame::Sunken</enum>
+     </property>
+    </widget>
+   </item>
    <item>
     <widget class="QLabel" name="lbl_page">
      <property name="text">