diff --git a/main.py b/main.py
index 095468e..76b7e55 100644
--- a/main.py
+++ b/main.py
@@ -1,67 +1,67 @@
-# coding:utf-8
-
-'''
-author:kdxcxs@github.com
-'''
-
-import sys
-from PyQt5.QtWidgets import QMainWindow,QFileDialog,QDialog,QApplication
-from PyQt5.QtGui import QPixmap,QIcon
-from PyQt5.QtCore import QByteArray
-from icon import iconb64
-from mainWindow import Ui_MainWindow
-from dumping import Ui_dumpingDialog
-from ncmdump import dump
-
-class mainWindow(QMainWindow):
-    def __init__(self, scaleRate):
-        super(mainWindow, self).__init__(None)
-        self.ui = Ui_MainWindow()
-        self.ui.setupUi(self,scaleRate)
-        self.setupIcon()
-        self.dumpingdialog = dumpingDialog(self,self.icon)
-        self.initSignal()
-        self.show()
-    def setupIcon(self):
-        self.pmap = QPixmap()
-        self.pmap.loadFromData(QByteArray.fromBase64(iconb64))
-        self.icon = QIcon(self.pmap)
-        self.setWindowIcon(self.icon)
-    def initSignal(self):
-        self.ui.commandLinkButton.clicked.connect(self.dumper)
-    def dumper(self):
-        files,fileType = QFileDialog.getOpenFileNames(self,
-                                                      "请选择ncm文件",
-                                                      "./",
-                                                      "NeteaseCloudMusic Files (*.ncm)")
-        if files:
-            outputPath = QFileDialog.getExistingDirectory(self,
-                                                          '请选择输出文件夹',
-                                                          '/'.join(files[0].split('/')[:-1]))
-            if outputPath:
-                self.dumpingdialog.show()
-                filesTotal, filesDumped = len(files), 0
-                self.dumpingdialog.ui.label.setText(f'转换中\n{filesDumped}/{filesTotal}')
-                for file in files:
-                    dump(file,outputPath+'/'+file.split('/')[-1][:-3]+'mp3')
-                    filesDumped += 1
-                    self.dumpingdialog.ui.label.setText(f'转换中\n{filesDumped}/{filesTotal}')
-                self.dumpingdialog.setWindowTitle('转换完毕!')
-                self.dumpingdialog.ui.label.setText('转换完毕!')
-
-class ncmDumper(object):
-    def __init__(self):
-        self.app = QApplication(sys.argv)
-        self.scaleRate = self.app.screens()[0].logicalDotsPerInch()/96
-        self.mainwindow = mainWindow(self.scaleRate)
-
-class dumpingDialog(QDialog):
-    def __init__(self,parent,icon):
-        super(dumpingDialog, self).__init__(parent)
-        self.ui = Ui_dumpingDialog()
-        self.ui.setupUi(self)
-        self.setWindowIcon(icon)
-
-if __name__ == '__main__':
-    dumper = ncmDumper()
+# coding:utf-8
+
+'''
+author:kdxcxs@github.com
+'''
+
+import sys
+from PyQt5.QtWidgets import QMainWindow,QFileDialog,QDialog,QApplication
+from PyQt5.QtGui import QPixmap,QIcon
+from PyQt5.QtCore import QByteArray
+from icon import iconb64
+from mainWindow import Ui_MainWindow
+from dumping import Ui_dumpingDialog
+from ncmdump import dump
+
+class mainWindow(QMainWindow):
+    def __init__(self, scaleRate):
+        super(mainWindow, self).__init__(None)
+        self.ui = Ui_MainWindow()
+        self.ui.setupUi(self,scaleRate) # 把所有控件大小和位置都乘以Windows缩放比例来适配Windows缩放
+        self.setupIcon() # 直接通过base64把图标写入程序,避免pyinstaller打包后图标失效
+        self.dumpingdialog = dumpingDialog(self,self.icon)
+        self.initSignal()
+        self.show()
+    def setupIcon(self):
+        self.pmap = QPixmap()
+        self.pmap.loadFromData(QByteArray.fromBase64(iconb64))
+        self.icon = QIcon(self.pmap)
+        self.setWindowIcon(self.icon)
+    def initSignal(self):
+        self.ui.commandLinkButton.clicked.connect(self.dumper)
+    def dumper(self):
+        files,fileType = QFileDialog.getOpenFileNames(self,
+                                                      "请选择ncm文件",
+                                                      "./",
+                                                      "NeteaseCloudMusic Files (*.ncm)")
+        if files:
+            outputPath = QFileDialog.getExistingDirectory(self,
+                                                          '请选择输出文件夹',
+                                                          '/'.join(files[0].split('/')[:-1])) # 初始输出文件夹为第一个ncm文件所在目录
+            if outputPath:
+                self.dumpingdialog.show()
+                filesTotal, filesDumped = len(files), 0
+                self.dumpingdialog.ui.label.setText(f'转换中\n{filesDumped}/{filesTotal}')
+                for file in files:
+                    dump(file,outputPath+'/'+file.split('/')[-1][:-3]+'mp3')
+                    filesDumped += 1
+                    self.dumpingdialog.ui.label.setText(f'转换中\n{filesDumped}/{filesTotal}')
+                self.dumpingdialog.setWindowTitle('转换完毕!')
+                self.dumpingdialog.ui.label.setText('转换完毕!')
+
+class ncmDumper(object):
+    def __init__(self):
+        self.app = QApplication(sys.argv)
+        self.scaleRate = self.app.screens()[0].logicalDotsPerInch()/96 # 获取Windows缩放比例以适配Windows缩放
+        self.mainwindow = mainWindow(self.scaleRate)
+
+class dumpingDialog(QDialog):
+    def __init__(self,parent,icon):
+        super(dumpingDialog, self).__init__(parent)
+        self.ui = Ui_dumpingDialog()
+        self.ui.setupUi(self)
+        self.setWindowIcon(icon)
+
+if __name__ == '__main__':
+    dumper = ncmDumper()
     sys.exit(dumper.app.exec_())
\ No newline at end of file