隐藏固件升级帮助按钮，翻译

app/fwupgrade/FWUpgrade_zh_CN.ts

@@ -308,7 +308,7 @@
         <location filename="mainwindow.cpp" line="373"/>
         <location filename="mainwindow.cpp" line="409"/>
         <source>the selected firmware is not newer than the current version</source>
-        <translation>选择的固件不比当前版本更新</translation>
+        <translation>选择的固件版本比当前版本低</translation>
     </message>
     <message>
         <source>firmware file mismatch</source>

app/fwupgrade/logindialog.cpp

@@ -13,6 +13,8 @@ LoginDialog::LoginDialog(const QString &account, const QString &password, QWidge
 
     ui->editAccount->setText(m_account);
     ui->editPassword->setEchoMode(QLineEdit::EchoMode::Password);
+
+    ui->btnHelp->setVisible(false);
 }
 
 LoginDialog::~LoginDialog()

app/fwupgrade/logindialog.ui

@@ -121,16 +121,29 @@
     </item>
    </layout>
   </widget>
-  <widget class="QWidget" name="horizontalLayoutWidget_3">
+  <widget class="QWidget" name="">
    <property name="geometry">
     <rect>
-     <x>40</x>
-     <y>210</y>
-     <width>401</width>
-     <height>61</height>
+     <x>80</x>
+     <y>220</y>
+     <width>331</width>
+     <height>25</height>
     </rect>
    </property>
    <layout class="QHBoxLayout" name="horizontalLayout_3">
+    <item>
+     <spacer name="horizontalSpacer_5">
+      <property name="orientation">
+       <enum>Qt::Horizontal</enum>
+      </property>
+      <property name="sizeHint" stdset="0">
+       <size>
+        <width>40</width>
+        <height>20</height>
+       </size>
+      </property>
+     </spacer>
+    </item>
     <item>
      <widget class="QPushButton" name="btnLogin">
       <property name="text">
@@ -152,6 +165,19 @@
       </property>
      </widget>
     </item>
+    <item>
+     <spacer name="horizontalSpacer_6">
+      <property name="orientation">
+       <enum>Qt::Horizontal</enum>
+      </property>
+      <property name="sizeHint" stdset="0">
+       <size>
+        <width>40</width>
+        <height>20</height>
+       </size>
+      </property>
+     </spacer>
+    </item>
    </layout>
   </widget>
  </widget>