diff --git a/.gitignore b/.gitignore
index ed028b2..c2e6840 100644
--- a/.gitignore
+++ b/.gitignore
@@ -209,4 +209,7 @@ package
 rc.py
 *.aux.xml
 
-model/
\ No newline at end of file
+model/
+
+plugin-build/
+3rd/
\ No newline at end of file
diff --git a/3rd/about/main.py b/3rd/about/main.py
deleted file mode 100644
index a6e0e4e..0000000
--- a/3rd/about/main.py
+++ /dev/null
@@ -1,68 +0,0 @@
-from rscder.plugins.basic import BasicPlugin
-
-from PyQt5.QtWidgets import QDialog, QAction, QApplication, QLabel, QTextEdit, QVBoxLayout
-from PyQt5.QtCore import Qt
-from PyQt5.QtGui import QIcon
-
-class AboutDialog(QDialog):
-    def __init__(self, parent=None):
-        super(AboutDialog, self).__init__(parent)
-        self.setWindowTitle("About")
-        self.setFixedSize(800, 400)
-        
-        self.label = QLabel("<h1>"+ QApplication.applicationName()  + "</h1>")
-        self.label.setAlignment(Qt.AlignCenter)
-        self.label.setStyleSheet("font-size: 20px;")
-
-        self.label2 = QLabel("<h2>Version: " + QApplication.applicationVersion() + "</h2>")
-        self.label2.setAlignment(Qt.AlignCenter)
-        self.label2.setStyleSheet("font-size: 15px;")
-
-        self.label3 = QLabel("<h2>" + QApplication.organizationName() + "</h2>")
-        self.label3.setAlignment(Qt.AlignCenter)
-        self.label3.setStyleSheet("font-size: 15px;")
-
-        self.label4 = QLabel("<h3>Copyright (c) 2020</h3>")
-        self.label4.setAlignment(Qt.AlignCenter)
-        self.label4.setStyleSheet("font-size: 10px;")
-
-        self.text = QTextEdit()
-        self.text.setReadOnly(True)
-        self.text.setText('''
-        This program is free software: you can redistribute it and/or modify
-        it under the terms of the GNU General Public License as published by
-        the Free Software Foundation, either version 3 of the License, or
-        (at your option) any later version.
-         ''')
-
-        self.layout = QVBoxLayout()
-        self.layout.addWidget(self.label)
-        self.layout.addWidget(self.label2)
-        self.layout.addWidget(self.label3)
-        self.layout.addWidget(self.label4)
-        self.layout.addWidget(self.text)
-        self.setLayout(self.layout)
-
-
-class AboutPlugin(BasicPlugin):
-
-    @staticmethod
-    def info():
-        return {
-            'name': '关于',
-            'author': 'RSCDER',
-            'version': '1.0.0',
-            'description': '关于'
-        }
-
-    def set_action(self):
-        menu = self.ctx['help_menu']
-        action = QAction('&关于', self.ctx['menu_bar'])
-        action.triggered.connect(self.on_about)
-
-        menu.addAction(action)
-    
-    def on_about(self):
-        print('on_about')
-        dialog = AboutDialog(self.ctx['mainwindow'])
-        dialog.show()
\ No newline at end of file