Pyqt webkit 开启状态 后面的代码无法继续执行

class baidubro(QtCore.QObject): """docstring for baidubor""" def __init__(self): QObject.__init__(self) self.fuck='123' self.app = QApplication(sys.argv) self.webview = QWebView() self.page=self.webview.page() self.current = "https://passport.baidu.com/v2/?reg" self.frame = self.page.mainFrame() QtCore.QObject.connect(self.frame,QtCore.SIGNAL('loadFinished(bool)'),self.do_do) self.webview.show() self.frame.load(QUrl(self.current)) sys.exit(self.app.exec_()) def do_do(self,bool): url = self.frame.url() js="setTimeout(function (){document.getElementById('TANGRAM__PSP_4__account').value="+self.fuck+";document.getElementById('TANGRAM__PSP_4__password').value='11111';document.getElementById('TANGRAM__PSP_4__password').focus();},1800);setTimeout(function (){document.getElementById('TANGRAM__PSP_4__verifyCodeSend').click();},2800)" self.frame.evaluateJavascript(js) 

import baidubro baidubro.baidubro() print 'asd'