diff --git a/gui/guimain.py b/gui/guimain.py
index c0b27cc..cc1d785 100644
--- a/gui/guimain.py
+++ b/gui/guimain.py
@@ -419,7 +419,9 @@ def get_widget_all_items(wid: QListWidget):
                         widget: QListWidget = getattr(self.ui, f"listWidget_mx_{i}")
                         args0 += [int(i.text()) for i in get_widget_all_items(widget)]
                     ex = self.get_live_extractor()
-                    save_names = ex.mix_live_song_all_sing(music_id, list(set(args0)), float(self.ui.lineEdit_chara_vol.text()))
+                    chara_vol_str = self.ui.lineEdit_chara_vol.text().strip()
+                    chara_vol_str = chara_vol_str or "-2"
+                    save_names = ex.mix_live_song_all_sing(music_id, list(set(args0)), float(chara_vol_str))
                     voiceex.log.logger(f"Extract success: {save_names}")
                 else:
                     args = []
@@ -427,7 +429,9 @@ def get_widget_all_items(wid: QListWidget):
                         widget: QListWidget = getattr(self.ui, f"listWidget_mx_{i}")
                         args.append([int(i.text()) for i in get_widget_all_items(widget)])
                     ex = self.get_live_extractor()
-                    save_names = ex.mix_live_song_by_parts(music_id, *args, volume=float(self.ui.lineEdit_chara_vol.text()))
+                    chara_vol_str = self.ui.lineEdit_chara_vol.text().strip()
+                    chara_vol_str = chara_vol_str or "-2"
+                    save_names = ex.mix_live_song_by_parts(music_id, *args, volume=float(chara_vol_str))
                     voiceex.log.logger(f"Extract success: {save_names}")
             finally:
                 self.set_start_btn_stat_signal.emit(True)
diff --git a/gui/qtui/main_ui.py b/gui/qtui/main_ui.py
index c447621..978fb71 100644
--- a/gui/qtui/main_ui.py
+++ b/gui/qtui/main_ui.py
@@ -471,6 +471,7 @@ def setupUi(self, MainWindow):
         self.label_15.setObjectName("label_15")
         self.gridLayout_5.addWidget(self.label_15, 1, 0, 1, 1)
         self.lineEdit_chara_vol = QtWidgets.QLineEdit(self.groupBox_9)
+        self.lineEdit_chara_vol.setInputMask("")
         self.lineEdit_chara_vol.setObjectName("lineEdit_chara_vol")
         self.gridLayout_5.addWidget(self.lineEdit_chara_vol, 1, 1, 1, 1)
         self.pushButton_start_mix = QtWidgets.QPushButton(self.groupBox_9)
@@ -530,7 +531,7 @@ def setupUi(self, MainWindow):
         self.tabWidget.setCurrentIndex(0)
         self.tabWidget_4.setCurrentIndex(0)
         self.tabWidget_music_type.setCurrentIndex(0)
-        self.tabWidget_2.setCurrentIndex(0)
+        self.tabWidget_2.setCurrentIndex(1)
         self.tabWidget_parts.setCurrentIndex(0)
         QtCore.QMetaObject.connectSlotsByName(MainWindow)
 
@@ -607,7 +608,9 @@ def retranslateUi(self, MainWindow):
         self.pushButton_me_clear.setText(_translate("MainWindow", "Clear"))
         self.groupBox_9.setTitle(_translate("MainWindow", "Mix Config"))
         self.label_15.setText(_translate("MainWindow", "Character Volume"))
-        self.lineEdit_chara_vol.setText(_translate("MainWindow", "0.85"))
+        self.lineEdit_chara_vol.setToolTip(_translate("MainWindow", "Leave blank to automatically balance the loudness. -1 will not change volume. 1.0 is the full volume."))
+        self.lineEdit_chara_vol.setText(_translate("MainWindow", "-1"))
+        self.lineEdit_chara_vol.setPlaceholderText(_translate("MainWindow", "Leave blank to automatically balance the loudness. -1 will not change volume. 1.0 is the full volume."))
         self.pushButton_start_mix.setText(_translate("MainWindow", "Start Mix"))
         self.checkBox_all_singing.setText(_translate("MainWindow", "Force All Singing"))
         self.tabWidget_2.setTabText(self.tabWidget_2.indexOf(self.tab_4), _translate("MainWindow", "Mixer"))
diff --git a/gui/qtui/main_ui.qm b/gui/qtui/main_ui.qm
index bbd96b6..b16c0cb 100644
Binary files a/gui/qtui/main_ui.qm and b/gui/qtui/main_ui.qm differ
diff --git a/gui/qtui/main_ui.ts b/gui/qtui/main_ui.ts
index d78088c..b25d3d2 100644
--- a/gui/qtui/main_ui.ts
+++ b/gui/qtui/main_ui.ts
@@ -4,257 +4,257 @@
 <context>
     <name>MainWindow</name>
     <message>
-        <location filename="main_ui.py" line="539"/>
+        <location filename="main_ui.py" line="541"/>
         <source>Umamusume Voice Text Extractor</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="540"/>
+        <location filename="main_ui.py" line="542"/>
         <source>Character List</source>
         <translation type="unfinished">角色列表</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="574"/>
+        <location filename="main_ui.py" line="576"/>
         <source>Config</source>
         <translation type="unfinished">配置</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="577"/>
+        <location filename="main_ui.py" line="579"/>
         <source>./save</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="575"/>
+        <location filename="main_ui.py" line="577"/>
         <source>select</source>
         <translation type="unfinished">选择</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="576"/>
+        <location filename="main_ui.py" line="578"/>
         <source>Save path</source>
         <translation type="unfinished">保存路径</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="578"/>
+        <location filename="main_ui.py" line="580"/>
         <source>Proxy</source>
         <translation type="unfinished">代理设置</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="579"/>
+        <location filename="main_ui.py" line="581"/>
         <source>eg. http://127.0.0.1:10087</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="580"/>
+        <location filename="main_ui.py" line="582"/>
         <source>Use Proxy</source>
         <translation type="unfinished">使用代理</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="584"/>
+        <location filename="main_ui.py" line="586"/>
         <source>Wave Format</source>
         <translation type="unfinished">Wave参数</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="585"/>
+        <location filename="main_ui.py" line="587"/>
         <source>Rate: </source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="550"/>
+        <location filename="main_ui.py" line="552"/>
         <source>22050</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="587"/>
+        <location filename="main_ui.py" line="589"/>
         <source>Bits: </source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="588"/>
+        <location filename="main_ui.py" line="590"/>
         <source>16</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="589"/>
+        <location filename="main_ui.py" line="591"/>
         <source>Channels: </source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="599"/>
+        <location filename="main_ui.py" line="601"/>
         <source>1</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="555"/>
+        <location filename="main_ui.py" line="557"/>
         <source>Get voice from all stories</source>
         <translation type="unfinished">从所有故事中提取对应角色的语音</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="556"/>
+        <location filename="main_ui.py" line="558"/>
         <source>Download missing voice files</source>
         <translation type="unfinished">下载缺失的语音文件</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="557"/>
+        <location filename="main_ui.py" line="559"/>
         <source>Use cache</source>
         <translation type="unfinished">使用缓存</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="558"/>
+        <location filename="main_ui.py" line="560"/>
         <source>Character ID</source>
         <translation type="unfinished">角色ID</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="566"/>
+        <location filename="main_ui.py" line="568"/>
         <source>Start</source>
         <translation type="unfinished">开始提取</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="560"/>
+        <location filename="main_ui.py" line="562"/>
         <source>Single Character Mode</source>
         <translation type="unfinished">单角色提取模式</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="562"/>
+        <location filename="main_ui.py" line="564"/>
         <source>CharaID</source>
         <translation type="unfinished">角色ID</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="564"/>
+        <location filename="main_ui.py" line="566"/>
         <source>SaveID</source>
         <translation type="unfinished">保存ID</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="606"/>
+        <location filename="main_ui.py" line="608"/>
         <source>Remove Selecting</source>
         <translation type="unfinished">移除选择</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="567"/>
+        <location filename="main_ui.py" line="569"/>
         <source>Multi Character Mode</source>
         <translation type="unfinished">多角色提取模式</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="568"/>
+        <location filename="main_ui.py" line="570"/>
         <source>Voice Extractor</source>
         <translation type="unfinished">角色语音提取</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="572"/>
+        <location filename="main_ui.py" line="574"/>
         <source>Music List</source>
         <translation type="unfinished">音乐列表</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="570"/>
+        <location filename="main_ui.py" line="572"/>
         <source>Singing Character List</source>
         <translation type="unfinished">歌唱角色</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="581"/>
+        <location filename="main_ui.py" line="583"/>
         <source>Download missing files</source>
         <translation type="unfinished">下载缺失的文件</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="582"/>
+        <location filename="main_ui.py" line="584"/>
         <source>Music ID</source>
         <translation type="unfinished">音乐ID</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="583"/>
+        <location filename="main_ui.py" line="585"/>
         <source>Chara ID</source>
         <translation type="unfinished">角色ID</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="591"/>
+        <location filename="main_ui.py" line="593"/>
         <source>Extract BGM</source>
         <translation type="unfinished">提取BGM</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="592"/>
+        <location filename="main_ui.py" line="594"/>
         <source>Extract Full Chara Sound</source>
         <translation type="unfinished">提取角色清唱</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="593"/>
+        <location filename="main_ui.py" line="595"/>
         <source>Extract Chara Sound By Lrc</source>
         <translation type="unfinished">提取角色清唱并根据歌词分割</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="594"/>
+        <location filename="main_ui.py" line="596"/>
         <source>Remove Silence Part</source>
         <translation type="unfinished">删除音频首尾空白</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="595"/>
+        <location filename="main_ui.py" line="597"/>
         <source>Extractor</source>
         <translation type="unfinished">提取器</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="596"/>
+        <location filename="main_ui.py" line="598"/>
         <source>Position Sets</source>
         <translation type="unfinished">位置设定</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="597"/>
+        <location filename="main_ui.py" line="599"/>
         <source>Singing Pos Count:</source>
         <translation type="unfinished">歌唱角色位置数：</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="598"/>
+        <location filename="main_ui.py" line="600"/>
         <source>0</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="600"/>
+        <location filename="main_ui.py" line="602"/>
         <source>2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="601"/>
+        <location filename="main_ui.py" line="603"/>
         <source>3</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="602"/>
+        <location filename="main_ui.py" line="604"/>
         <source>4</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="603"/>
+        <location filename="main_ui.py" line="605"/>
         <source>5</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="604"/>
+        <location filename="main_ui.py" line="606"/>
         <source>6</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="605"/>
+        <location filename="main_ui.py" line="607"/>
         <source>7</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="607"/>
+        <location filename="main_ui.py" line="609"/>
         <source>Clear</source>
         <translation type="unfinished">清除</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="608"/>
+        <location filename="main_ui.py" line="610"/>
         <source>Mix Config</source>
         <translation type="unfinished">音频混合设置</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="612"/>
+        <location filename="main_ui.py" line="615"/>
         <source>Force All Singing</source>
         <translation type="unfinished">强制全部歌唱</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="611"/>
+        <location filename="main_ui.py" line="614"/>
         <source>Start Mix</source>
         <translation type="unfinished">开始混合</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="613"/>
+        <location filename="main_ui.py" line="616"/>
         <source>Mixer</source>
         <translation type="unfinished">混合器</translation>
     </message>
@@ -264,52 +264,47 @@
         <translation type="obsolete">Live 音乐提取</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="609"/>
+        <location filename="main_ui.py" line="611"/>
         <source>Character Volume</source>
         <translation type="unfinished">角色音量</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="610"/>
-        <source>0.85</source>
-        <translation type="unfinished"></translation>
-    </message>
-    <message>
-        <location filename="main_ui.py" line="571"/>
+        <location filename="main_ui.py" line="573"/>
         <source>Live Music</source>
         <translation type="unfinished">Live 音乐</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="573"/>
+        <location filename="main_ui.py" line="575"/>
         <source>Jukebox Music</source>
         <translation type="unfinished">点唱机音乐</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="586"/>
+        <location filename="main_ui.py" line="588"/>
         <source>48000</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="614"/>
+        <location filename="main_ui.py" line="617"/>
         <source>Music Extractor</source>
         <translation type="unfinished">音乐提取</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="616"/>
+        <location filename="main_ui.py" line="619"/>
         <source>Extracted Volume</source>
         <translation type="unfinished">提取音量</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="617"/>
+        <location filename="main_ui.py" line="620"/>
         <source>1.0</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="618"/>
+        <location filename="main_ui.py" line="621"/>
         <source>About</source>
         <translation type="unfinished">关于</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="619"/>
+        <location filename="main_ui.py" line="622"/>
         <source>&lt;!DOCTYPE HTML PUBLIC &quot;-//W3C//DTD HTML 4.0//EN&quot; &quot;http://www.w3.org/TR/REC-html40/strict.dtd&quot;&gt;
 &lt;html&gt;&lt;head&gt;&lt;meta name=&quot;qrichtext&quot; content=&quot;1&quot; /&gt;&lt;style type=&quot;text/css&quot;&gt;
 p, li { white-space: pre-wrap; }
@@ -325,14 +320,19 @@ p, li { white-space: pre-wrap; }
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="631"/>
+        <location filename="main_ui.py" line="634"/>
         <source>More Settings</source>
         <translation type="unfinished">更多设置</translation>
     </message>
     <message>
-        <location filename="main_ui.py" line="615"/>
+        <location filename="main_ui.py" line="618"/>
         <source>Global Config</source>
         <translation type="unfinished">全局设置</translation>
     </message>
+    <message>
+        <location filename="main_ui.py" line="613"/>
+        <source>Leave blank to automatically balance the loudness. -1 will not change volume. 1.0 is the full volume.</source>
+        <translation type="unfinished">留空自动平衡响度。-1不改变音量。满音量为 1.0。</translation>
+    </message>
 </context>
 </TS>
diff --git a/gui/qtui/main_ui.ui b/gui/qtui/main_ui.ui
index 3deafb5..47dbc64 100644
--- a/gui/qtui/main_ui.ui
+++ b/gui/qtui/main_ui.ui
@@ -542,7 +542,7 @@
                <item>
                 <widget class="QTabWidget" name="tabWidget_2">
                  <property name="currentIndex">
-                  <number>0</number>
+                  <number>1</number>
                  </property>
                  <widget class="QWidget" name="tab_3">
                   <attribute name="title">
@@ -932,8 +932,17 @@
                         </item>
                         <item row="1" column="1">
                          <widget class="QLineEdit" name="lineEdit_chara_vol">
+                          <property name="toolTip">
+                           <string>Leave blank to automatically balance the loudness. -1 will not change volume. 1.0 is the full volume.</string>
+                          </property>
+                          <property name="inputMask">
+                           <string/>
+                          </property>
                           <property name="text">
-                           <string>0.85</string>
+                           <string>-1</string>
+                          </property>
+                          <property name="placeholderText">
+                           <string>Leave blank to automatically balance the loudness. -1 will not change volume. 1.0 is the full volume.</string>
                           </property>
                          </widget>
                         </item>
diff --git a/gui/qtui/msrc_rc.py b/gui/qtui/msrc_rc.py
index 16a4a96..4ed52cd 100644
--- a/gui/qtui/msrc_rc.py
+++ b/gui/qtui/msrc_rc.py
@@ -9,98 +9,110 @@
 from PyQt5 import QtCore
 
 qt_resource_data = b"\
-\x00\x00\x0a\x99\
+\x00\x00\x0b\x59\
 \x3c\
 \xb8\x64\x18\xca\xef\x9c\x95\xcd\x21\x1c\xbf\x60\xa1\xbd\xdd\xa7\
-\x00\x00\x00\x05\x7a\x68\x5f\x43\x4e\x42\x00\x00\x01\x58\x00\x47\
+\x00\x00\x00\x05\x7a\x68\x5f\x43\x4e\x42\x00\x00\x01\x60\x00\x47\
 \x96\xc4\x00\x00\x00\x00\x00\x4a\x2b\x82\x00\x00\x01\x24\x00\x54\
-\x0e\xc2\x00\x00\x04\x9d\x00\x57\x96\xf9\x00\x00\x06\x06\x00\x5a\
-\xa8\x94\x00\x00\x07\xc8\x00\xe1\xab\xc3\x00\x00\x03\x70\x02\x72\
-\xb3\x52\x00\x00\x05\x3c\x02\xcd\x6e\x94\x00\x00\x00\xb8\x03\x6f\
-\x96\x03\x00\x00\x05\xd2\x03\xbc\xe8\x94\x00\x00\x02\x8c\x04\x10\
-\xbc\xc2\x00\x00\x08\x84\x04\x29\x20\xf4\x00\x00\x06\x69\x04\x78\
-\x7a\x47\x00\x00\x06\x32\x04\xa1\x0c\x57\x00\x00\x04\x68\x04\xa6\
-\x4c\xf7\x00\x00\x01\x4c\x04\xab\x1f\xf4\x00\x00\x08\xbe\x05\x98\
-\xc9\xd4\x00\x00\x06\xdb\x05\xb3\x9d\x2a\x00\x00\x07\x45\x06\x2f\
-\x71\x95\x00\x00\x07\x86\x07\x51\xf9\x33\x00\x00\x04\x31\x07\x57\
-\xea\x69\x00\x00\x08\x24\x07\x69\x25\x75\x00\x00\x08\x54\x07\x9c\
-\x2b\xa4\x00\x00\x08\xf4\x07\xea\xbd\x3d\x00\x00\x02\x05\x08\x96\
-\x2a\xa8\x00\x00\x07\xf4\x08\xd2\x91\x23\x00\x00\x04\xc7\x09\x24\
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+\x47\x65\x74\x20\x76\x6f\x69\x63\x65\x20\x66\x72\x6f\x6d\x20\x61\
+\x6c\x6c\x20\x73\x74\x6f\x72\x69\x65\x73\x07\x00\x00\x00\x0a\x4d\
+\x61\x69\x6e\x57\x69\x6e\x64\x6f\x77\x01\x03\x00\x00\x00\x08\x51\
+\x68\x5c\x40\x8b\xbe\x7f\x6e\x08\x00\x00\x00\x00\x06\x00\x00\x00\
+\x0d\x47\x6c\x6f\x62\x61\x6c\x20\x43\x6f\x6e\x66\x69\x67\x07\x00\
+\x00\x00\x0a\x4d\x61\x69\x6e\x57\x69\x6e\x64\x6f\x77\x01\x03\x00\
+\x00\x00\x0a\x70\xb9\x55\x31\x67\x3a\x97\xf3\x4e\x50\x08\x00\x00\
+\x00\x00\x06\x00\x00\x00\x0d\x4a\x75\x6b\x65\x62\x6f\x78\x20\x4d\
+\x75\x73\x69\x63\x07\x00\x00\x00\x0a\x4d\x61\x69\x6e\x57\x69\x6e\
+\x64\x6f\x77\x01\x03\x00\x00\x00\x34\x75\x59\x7a\x7a\x81\xea\x52\
+\xa8\x5e\x73\x88\x61\x54\xcd\x5e\xa6\x30\x02\x00\x2d\x00\x31\x4e\
+\x0d\x65\x39\x53\xd8\x97\xf3\x91\xcf\x30\x02\x6e\xe1\x97\xf3\x91\
+\xcf\x4e\x3a\x00\x20\x00\x31\x00\x2e\x00\x30\x30\x02\x08\x00\x00\
+\x00\x00\x06\x00\x00\x00\x65\x4c\x65\x61\x76\x65\x20\x62\x6c\x61\
+\x6e\x6b\x20\x74\x6f\x20\x61\x75\x74\x6f\x6d\x61\x74\x69\x63\x61\
+\x6c\x6c\x79\x20\x62\x61\x6c\x61\x6e\x63\x65\x20\x74\x68\x65\x20\
+\x6c\x6f\x75\x64\x6e\x65\x73\x73\x2e\x20\x2d\x31\x20\x77\x69\x6c\
+\x6c\x20\x6e\x6f\x74\x20\x63\x68\x61\x6e\x67\x65\x20\x76\x6f\x6c\
+\x75\x6d\x65\x2e\x20\x31\x2e\x30\x20\x69\x73\x20\x74\x68\x65\x20\
+\x66\x75\x6c\x6c\x20\x76\x6f\x6c\x75\x6d\x65\x2e\x07\x00\x00\x00\
 \x0a\x4d\x61\x69\x6e\x57\x69\x6e\x64\x6f\x77\x01\x03\x00\x00\x00\
 \x0e\x00\x4c\x00\x69\x00\x76\x00\x65\x00\x20\x97\xf3\x4e\x50\x08\
 \x00\x00\x00\x00\x06\x00\x00\x00\x0a\x4c\x69\x76\x65\x20\x4d\x75\
@@ -17110,7 +17122,7 @@
 \x00\x00\x00\x00\x00\x02\x00\x00\x00\x01\x00\x00\x00\x04\
 \x00\x00\x00\x0c\x00\x02\x00\x00\x00\x01\x00\x00\x00\x03\
 \x00\x00\x00\x1c\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\
-\x00\x00\x00\x36\x00\x00\x00\x00\x00\x01\x00\x00\x0a\x9d\
+\x00\x00\x00\x36\x00\x00\x00\x00\x00\x01\x00\x00\x0b\x5d\
 "
 
 qt_resource_struct_v2 = b"\
@@ -17121,8 +17133,8 @@
 \x00\x00\x00\x0c\x00\x02\x00\x00\x00\x01\x00\x00\x00\x03\
 \x00\x00\x00\x00\x00\x00\x00\x00\
 \x00\x00\x00\x1c\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\
-\x00\x00\x01\x8a\x22\x60\x83\x56\
-\x00\x00\x00\x36\x00\x00\x00\x00\x00\x01\x00\x00\x0a\x9d\
+\x00\x00\x01\x8a\x30\xc5\x08\xb5\
+\x00\x00\x00\x36\x00\x00\x00\x00\x00\x01\x00\x00\x0b\x5d\
 \x00\x00\x01\x86\x12\x11\x04\xf2\
 "
 
diff --git a/voiceex/live_music/live_music_ex.py b/voiceex/live_music/live_music_ex.py
index 5000d13..fcbb2e8 100644
--- a/voiceex/live_music/live_music_ex.py
+++ b/voiceex/live_music/live_music_ex.py
@@ -1,3 +1,4 @@
+import math
 import os
 import shutil
 from .. import resource as umares
@@ -86,11 +87,13 @@ def extract_live_music_bgm(self, music_id, oke_index="01", raise_notfound_error=
         acb_path = self.bundle_hash_to_path(acb_hash)
         awb_path = self.bundle_hash_to_path(awb_hash)
         exactor = self.get_extractor(awb_path, acb_path)
-        if self.wav_format is not None:
-            exactor.SetWaveFormat(*self.wav_format)
-        ret = exactor.ExtractAudioFromWaveId(f"{self.save_path}/{'jukebox' if is_jukebox else 'music'}/{music_id}",
-                                             f"bgm_{oke_index}_", 0)
-        exactor.Close()
+        try:
+            if self.wav_format is not None:
+                exactor.SetWaveFormat(*self.wav_format)
+            ret = exactor.ExtractAudioFromWaveId(f"{self.save_path}/{'jukebox' if is_jukebox else 'music'}/{music_id}",
+                                                 f"bgm_{oke_index}_", 0)
+        finally:
+            exactor.Close()
         return ret
 
     @staticmethod
@@ -193,22 +196,53 @@ def get_charas_singing_data(self, music_id, chara_list: t.Optional[t.List[int]],
 
     def mix_live_song_all_sing(self, music_id: int, chara_list: t.Optional[t.List[int]], volume: float):
         save_names = []
+
+        save_singing_file_names = self.get_charas_singing_data(music_id, chara_list)
+        temp_singing_name = f"temp/live/{music_id}/mix_all_no_bgm.wav"
+        save_singing_name = f"{self.save_path}/music/{music_id}/mix_all_no_bgm.wav"
+        file_list = []
+        for chara_id in save_singing_file_names:
+            for wave_id in save_singing_file_names[chara_id]:
+                file_list.append(save_singing_file_names[chara_id][wave_id])
+        self.mix_wavs(file_list, temp_singing_name, -1)
+        self.AdjustVolume(temp_singing_name,
+                          [{"start": 0, "end": 600000, "db": -10 * math.log10(len(save_singing_file_names))}],
+                          save_singing_name)
+        os.remove(temp_singing_name)
+
         for oke in ["01", "02"]:
             music_bgm = self.extract_live_music_bgm(music_id, oke_index=oke, raise_notfound_error=False)
             if not music_bgm:
                 continue
-            save_file_names = self.get_charas_singing_data(music_id, chara_list)
             save_name = f"{self.save_path}/music/{music_id}/mix_all_oke_{oke}.wav"
-            file_list = [music_bgm]
-            for chara_id in save_file_names:
-                for wave_id in save_file_names[chara_id]:
-                    file_list.append(save_file_names[chara_id][wave_id])
-            self.mix_wavs(file_list, save_name, volume)
+            self.mix_wavs([music_bgm, save_singing_name], save_name, volume)
             save_names.append(save_name)
         return save_names
 
+    @staticmethod
+    def get_overlap_times(dictionary):
+        overlap_times = []
+        time_counts = {}
+
+        for file, times in dictionary.items():
+            for time in times:
+                start = time[0]
+                end = time[1]
+
+                # 更新时间段的文件数量
+                if (start, end) not in time_counts:
+                    time_counts[(start, end)] = 1
+                else:
+                    time_counts[(start, end)] += 1
+
+        # 遍历时间数量字典，找到重叠时间段并添加到重叠时间列表中
+        for time, count in time_counts.items():
+            if count >= 1:
+                overlap_times.append({"start": time[0], "end": time[1], "count": count})
+        return overlap_times
+
     def mix_live_song_by_parts(self, music_id: int, *charas: t.List[int], volume: float):
-        charas = charas[:7]
+        # charas = charas[:7]
         save_file_names = [self.get_charas_singing_data(music_id, i) for i in charas]
         singing_data = self.get_parts(music_id)
         singing_data_keys = list(singing_data.keys())
@@ -236,12 +270,22 @@ def mix_live_song_by_parts(self, music_id: int, *charas: t.List[int], volume: fl
             save_name_p = f"{file_name}_sl.wav"
             target_files.append(save_name_p)
             self.SilenceWavPartsByActivePos(file_name, save_name_p, ftimes)
+
+        silence_mixed_temp_name = f"temp/live/{music_id}/mix_by_parts_no_bgm.wav"
+        silence_mixed_save_name = f"{self.save_path}/music/{music_id}/mix_by_parts_no_bgm.wav"
+        self.mix_wavs(target_files, silence_mixed_temp_name, -1)
+        overlap_times = self.get_overlap_times(file_on_times)
+        for n, overlap in enumerate(overlap_times):
+            overlap_times[n]["db"] = -10 * math.log10(overlap["count"])
+        self.AdjustVolume(silence_mixed_temp_name, overlap_times, silence_mixed_save_name)
+        os.remove(silence_mixed_temp_name)
+
         save_names = []
         for oke in ["01", "02"]:
             music_bgm = self.extract_live_music_bgm(music_id, oke_index=oke, raise_notfound_error=False)
             if music_bgm:
                 save_name = f"{self.save_path}/music/{music_id}/mix_by_parts_oke_{oke}.wav"
-                self.mix_wavs([music_bgm] + target_files, save_name, volume)
+                self.mix_wavs([music_bgm, silence_mixed_save_name], save_name, volume)
                 save_names.append(save_name)
         for i in target_files:
             os.remove(i)
diff --git a/voiceex/resource.py b/voiceex/resource.py
index 25a0054..8493fd8 100644
--- a/voiceex/resource.py
+++ b/voiceex/resource.py
@@ -15,7 +15,8 @@
 # clr.FindAssembly("voice_extractor.dll")
 clr.AddReference("./voice extractor/voice extractor/bin/Release/net6.0/voice extractor")
 from System.Collections.Generic import List as CsList
-from System import UInt64, String
+from System.Collections.Generic import Dictionary as CsDict
+from System import UInt64, String, Object
 from System.IO import InvalidDataException
 
 import voice_extractor
@@ -82,6 +83,13 @@ def cut_wav_batch(file_name: str, save_name_prefix: str, time_ms_list: List[List
 
     @staticmethod
     def mix_wavs(files: List[str], save_name: str, volume: float):
+        """
+        mix wav files
+        :param files: file list
+        :param save_name: save name
+        :param volume: volume, 1.0 is full. -1: dont' change volume. -2: automatic balance of loudness
+        :return: None
+        """
         lst_param = CsList[String]()
         for i in files:
             lst_param.Add(i)
@@ -106,3 +114,13 @@ def SilenceWavPartsByActivePos(file_name: str, save_name: str, active_ms: List[L
                 add_p.Add(j)
             lst_param.Add(add_p)
         voice_extractor.UmaVoiceEx.SilenceWavPartsByActivePos(file_name, save_name, lst_param)
+
+    @staticmethod
+    def AdjustVolume(file_name: str, volume_changes: List[dict], output_path):
+        lst_param = CsList[CsDict[String, Object]]()
+        for i in volume_changes:
+            add_p = CsDict[String, Object]()
+            for k in i:
+                add_p.Add(k, i[k])
+            lst_param.Add(add_p)
+        return voice_extractor.UmaVoiceEx.AdjustVolume(file_name, lst_param, output_path)