diff --git a/mainwindow.ui b/mainwindow.ui
index 4a94508..32da2e1 100644
--- a/mainwindow.ui
+++ b/mainwindow.ui
@@ -1226,7 +1226,7 @@ QGroupBox:title {
              </size>
             </property>
             <property name="currentIndex">
-             <number>4</number>
+             <number>0</number>
             </property>
             <property name="tabBarAutoHide">
              <bool>true</bool>
@@ -5267,6 +5267,8 @@ border-width:0;border-style:outset</string>
 p, li { white-space: pre-wrap; }
 &lt;/style&gt;&lt;/head&gt;&lt;body style=&quot; font-family:'SimSun'; font-size:9pt; font-weight:400; font-style:normal;&quot;&gt;
 &lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;span style=&quot; font-family:'Consolas','Courier New','monospace'; font-size:11pt; font-weight:600; color:#ff0000;&quot;&gt;PC-VERSION&lt;/span&gt;&lt;/p&gt;
+&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;span style=&quot; font-family:'Consolas','Courier New','monospace'; font-size:11pt; font-weight:600; color:#ff0000;&quot;&gt;    V15:&lt;/span&gt;&lt;/p&gt;
+&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;span style=&quot; font-family:'Consolas','Courier New','monospace'; font-size:11pt; font-weight:600; color:#ff0000;&quot;&gt;        1.修正周期探测数值波动的BUG&lt;/span&gt;&lt;/p&gt;
 &lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;span style=&quot; font-family:'Consolas','Courier New','monospace'; font-size:11pt; font-weight:600; color:#ff0000;&quot;&gt;    V14:&lt;/span&gt;&lt;/p&gt;
 &lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;span style=&quot; font-family:'Consolas','Courier New','monospace'; font-size:11pt; font-weight:600; color:#ff0000;&quot;&gt;        1.修正光源亮度每次提交都会递减的BUG&lt;/span&gt;&lt;/p&gt;
 &lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;&quot;&gt;&lt;span style=&quot; font-family:'Consolas','Courier New','monospace'; font-size:11pt; font-weight:600; color:#ff0000;&quot;&gt;        2.频率探测修改成周期探测&lt;/span&gt;&lt;/p&gt;
@@ -5425,7 +5427,7 @@ p, li { white-space: pre-wrap; }
    </property>
    <widget class="QMenu" name="menu123">
     <property name="title">
-     <string>IFLYTOP_V14</string>
+     <string>IFLYTOP</string>
     </property>
     <addaction name="ProfessionalModel"/>
    </widget>