diff --git a/QPushButton/BottomLineProgress.py b/QPushButton/BottomLineProgress.py
index b78ec99..7a19e59 100644
--- a/QPushButton/BottomLineProgress.py
+++ b/QPushButton/BottomLineProgress.py
@@ -10,7 +10,7 @@ Created on 2018年2月1日
 @description: 
 '''
 from random import randint
-import sys, time
+import sys
 
 from PyQt5.QtCore import QTimer, QThread, pyqtSignal
 from PyQt5.QtGui import QPainter, QColor, QPen
@@ -42,7 +42,7 @@ class LoadingThread(QThread):
     def run(self):
         for i in range(self.totalValue + 1):
             self.valueChanged.emit(i / self.totalValue)
-            QThread.msleep(randint(300, 600))
+            QThread.msleep(randint(50, 100))
 
 
 class PushButtonLine(QPushButton):
@@ -82,7 +82,7 @@ class PushButtonLine(QPushButton):
         self.loadingThread.valueChanged.disconnect(self.setPercent)
         self.loadingThread.terminate()
         self.loadingThread.deleteLater()
-        time.sleep(1)   #延迟等待deleteLater执行完毕
+        QThread.msleep(100)  # 延迟等待deleteLater执行完毕
         del self.loadingThread
         self._percent = 0
         self._timer.stop()