diff --git a/app.py b/app.py
index bb6a908..e34fb2c 100644
--- a/app.py
+++ b/app.py
@@ -238,7 +238,7 @@ class MainWindow(QWidget):
             item = self.widget_main.ui.verticalLayout_Filter.takeAt(0)
             if item.widget():
                 item.widget().hide()
-        
+        print(f"on_channel_btn_clicked: {channel_id}")
         # Add the selected channel's filter widget to the layout
         filter_widget = self.widget_filter_list[channel_id]        
         self.widget_main.ui.verticalLayout_Filter.addWidget(filter_widget)
diff --git a/component/widget_channel/__pycache__/ui_widget_channel.cpython-313.pyc b/component/widget_channel/__pycache__/ui_widget_channel.cpython-313.pyc
index 1b24e3d..6e08042 100644
Binary files a/component/widget_channel/__pycache__/ui_widget_channel.cpython-313.pyc and b/component/widget_channel/__pycache__/ui_widget_channel.cpython-313.pyc differ
diff --git a/component/widget_channel/__pycache__/widget_channel.cpython-313.pyc b/component/widget_channel/__pycache__/widget_channel.cpython-313.pyc
index 9e61003..54418c6 100644
Binary files a/component/widget_channel/__pycache__/widget_channel.cpython-313.pyc and b/component/widget_channel/__pycache__/widget_channel.cpython-313.pyc differ
diff --git a/component/widget_channel/ui_widget_channel.py b/component/widget_channel/ui_widget_channel.py
index d2d0005..94a55be 100644
--- a/component/widget_channel/ui_widget_channel.py
+++ b/component/widget_channel/ui_widget_channel.py
@@ -2387,10 +2387,10 @@ class Ui_Widget(object):
         self.gridLayout_4.setObjectName(u"gridLayout_4")
         self.gridLayout_4.setVerticalSpacing(4)
         self.gridLayout_4.setContentsMargins(-1, 14, -1, 4)
-        self.pushButton_7pushButton_Channel_CH4 = QPushButton(self.groupBox_CH4)
-        self.pushButton_7pushButton_Channel_CH4.setObjectName(u"pushButton_7pushButton_Channel_CH4")
+        self.pushButton_Channel_CH4 = QPushButton(self.groupBox_CH4)
+        self.pushButton_Channel_CH4.setObjectName(u"pushButton_Channel_CH4")
 
-        self.gridLayout_4.addWidget(self.pushButton_7pushButton_Channel_CH4, 0, 0, 1, 2)
+        self.gridLayout_4.addWidget(self.pushButton_Channel_CH4, 0, 0, 1, 2)
 
         self.pushButton_8 = QPushButton(self.groupBox_CH4)
         self.pushButton_8.setObjectName(u"pushButton_8")
@@ -2929,7 +2929,7 @@ class Ui_Widget(object):
         self.pushButton_6.setText(QCoreApplication.translate("Widget", u"SOLO", None))
         self.checkBox_3.setText(QCoreApplication.translate("Widget", u"Mute", None))
         self.groupBox_CH4.setTitle(QCoreApplication.translate("Widget", u"CH4", None))
-        self.pushButton_7pushButton_Channel_CH4.setText(QCoreApplication.translate("Widget", u"Channel 4", None))
+        self.pushButton_Channel_CH4.setText(QCoreApplication.translate("Widget", u"Channel 4", None))
         self.pushButton_8.setText(QCoreApplication.translate("Widget", u"SOLO", None))
         self.checkBox_4.setText(QCoreApplication.translate("Widget", u"Mute", None))
         self.groupBox_CH5.setTitle(QCoreApplication.translate("Widget", u"CH5", None))
diff --git a/component/widget_channel/widget.ui b/component/widget_channel/widget.ui
index f86b09e..df2795c 100644
--- a/component/widget_channel/widget.ui
+++ b/component/widget_channel/widget.ui
@@ -2380,7 +2380,7 @@ PlotWidget {
          <number>4</number>
         </property>
         <item row="0" column="0" colspan="2">
-         <widget class="QPushButton" name="pushButton_7pushButton_Channel_CH4">
+         <widget class="QPushButton" name="pushButton_Channel_CH4">
           <property name="text">
            <string>Channel 4</string>
           </property>
diff --git a/component/widget_channel/widget_channel.py b/component/widget_channel/widget_channel.py
index a2f55d5..6b93731 100644
--- a/component/widget_channel/widget_channel.py
+++ b/component/widget_channel/widget_channel.py
@@ -22,7 +22,7 @@ class Widget_Channel(QWidget):
         self.channel_counts = 24
         
         # 设置连接
-        # self.setup_connections()
+        self.setup_connections()
         
         self.visible_channels = 24  # 默认显示24个通道
         self.update_channel_visibility()
@@ -52,7 +52,11 @@ class Widget_Channel(QWidget):
         # 调整布局
         self.adjustSize()
 
-    # def setup_connections(self):
+    def setup_connections(self):
+        for i in range(self.channel_counts):
+            channel_btn = getattr(self.ui, f'pushButton_Channel_CH{i+1}')
+            if channel_btn:
+                channel_btn.clicked.connect(lambda checked, index=i: self.channel_btn_clicked.emit(index))
         # Connect channel buttons using a loop
         # for i in range(self.channel_counts): 
             # Connect Channel buttons
diff --git a/component/widget_main/Ui_widget.py b/component/widget_main/Ui_widget.py
index efa232f..53b57b5 100644
--- a/component/widget_main/Ui_widget.py
+++ b/component/widget_main/Ui_widget.py
@@ -2373,7 +2373,7 @@ class Ui_Main_Widget(object):
 
         self.horizontalLayout_3.addLayout(self.verticalLayout_Filter)
 
-        self.horizontalLayout_3.setStretch(0, 2)
+        self.horizontalLayout_3.setStretch(0, 3)
         self.horizontalLayout_3.setStretch(1, 5)
 
         self.verticalLayout_2.addLayout(self.horizontalLayout_3)
diff --git a/component/widget_main/__pycache__/Ui_widget.cpython-313.pyc b/component/widget_main/__pycache__/Ui_widget.cpython-313.pyc
index ea7d2bf..61e8ef3 100644
Binary files a/component/widget_main/__pycache__/Ui_widget.cpython-313.pyc and b/component/widget_main/__pycache__/Ui_widget.cpython-313.pyc differ
diff --git a/component/widget_main/widget.ui b/component/widget_main/widget.ui
index 1e5660c..397103b 100644
--- a/component/widget_main/widget.ui
+++ b/component/widget_main/widget.ui
@@ -2309,7 +2309,7 @@ PlotWidget {
         </layout>
        </item>
        <item>
-        <layout class="QHBoxLayout" name="horizontalLayout_3" stretch="2,5">
+        <layout class="QHBoxLayout" name="horizontalLayout_3" stretch="3,5">
          <item>
           <layout class="QVBoxLayout" name="verticalLayout_Log"/>
          </item>