diff --git a/singlerelay.cpp b/singlerelay.cpp
index 3ef8f54..f414c43 100644
--- a/singlerelay.cpp
+++ b/singlerelay.cpp
@@ -45,7 +45,6 @@ SingleRelay::SingleRelay(int slot,int cardtype,QWidget *parent)
     btnGroup_slot->addButton(ui->pushButton_slot13);
     btnGroup_slot->addButton(ui->pushButton_slot14);
     btnGroup_slot->addButton(ui->pushButton_slot15);
-    btnGroup_slot->addButton(ui->pushButton_slot16);
 
     connect(btnGroup_slot, SIGNAL(buttonClicked(QAbstractButton *)), this, SLOT(OnButtonGroup(QAbstractButton *)));
     connect(ui->comboBox_relay_ch, QOverload<int>::of(&QComboBox::currentIndexChanged),
diff --git a/singlerelay.ui b/singlerelay.ui
index 33997c7..525147a 100644
--- a/singlerelay.ui
+++ b/singlerelay.ui
@@ -524,28 +524,6 @@
          </property>
         </widget>
        </item>
-       <item>
-        <widget class="QLabel" name="label_20">
-         <property name="minimumSize">
-          <size>
-           <width>30</width>
-           <height>0</height>
-          </size>
-         </property>
-         <property name="maximumSize">
-          <size>
-           <width>30</width>
-           <height>16777215</height>
-          </size>
-         </property>
-         <property name="text">
-          <string>16</string>
-         </property>
-         <property name="alignment">
-          <set>Qt::AlignCenter</set>
-         </property>
-        </widget>
-       </item>
       </layout>
      </widget>
     </item>
@@ -837,25 +815,6 @@
          </property>
         </widget>
        </item>
-       <item>
-        <widget class="QPushButton" name="pushButton_slot16">
-         <property name="minimumSize">
-          <size>
-           <width>30</width>
-           <height>220</height>
-          </size>
-         </property>
-         <property name="maximumSize">
-          <size>
-           <width>30</width>
-           <height>220</height>
-          </size>
-         </property>
-         <property name="text">
-          <string/>
-         </property>
-        </widget>
-       </item>
       </layout>
      </widget>
     </item>