diff --git a/Makefile b/Makefile
index 07d90d0..16c1596 100755
--- a/Makefile
+++ b/Makefile
@@ -30,7 +30,8 @@ build:
 	cp -rv builer.svg                           new-deb-build/opt/apps/com.gitee.uengine.runner.spark/files/
 	cp -rv api                                  new-deb-build/opt/apps/com.gitee.uengine.runner.spark/files/
 	cp -rv Help                                 new-deb-build/opt/apps/com.gitee.uengine.runner.spark/files/
-	cp -rv Download.py                                 new-deb-build/opt/apps/com.gitee.uengine.runner.spark/files/
+	cp -rv Download.py                          new-deb-build/opt/apps/com.gitee.uengine.runner.spark/files/
+	cp -rv updatekiller.py                      new-deb-build/opt/apps/com.gitee.uengine.runner.spark/files/
 	cp -rv pkexec/*                             new-deb-build/usr/share/polkit-1/actions
 	python3 RemovePycacheFile.py
 	cp -rv new-deb-build /tmp/uengine-runner-builder
diff --git a/mainwindow.py b/mainwindow.py
index eb93586..09dfcb7 100755
--- a/mainwindow.py
+++ b/mainwindow.py
@@ -26,6 +26,7 @@ import traceback
 import threading
 import webbrowser
 import subprocess
+import updatekiller
 map = True
 import matplotlib
 import matplotlib.figure
@@ -1099,7 +1100,7 @@ class UpdateWindow():
         updateWidgetLayout = QtWidgets.QGridLayout()
         versionLabel = QtWidgets.QLabel(f"当前版本：{version}\n最新版本：未知\n更新内容：")
         updateText = QtWidgets.QTextBrowser()
-        ok = QtWidgets.QPushButton("更新（更新过程中会关闭所有Python应用，包括这个应用）")
+        ok = QtWidgets.QPushButton("更新（更新过程中会关闭这个应用的所有进程）")
         ok.clicked.connect(UpdateWindow.Update)
         cancel = QtWidgets.QPushButton("取消")
         cancel.clicked.connect(UpdateWindow.update.close)
@@ -1134,8 +1135,8 @@ class UpdateWindow():
             write_txt("/tmp/uengine-runner/update.sh", f"""#!/bin/bash
 echo 删除多余的安装包
 rm -rfv /tmp/uengine-runner/update/*
-echo 关闭“UEngine 运行器”以及其它“Python 应用”
-killall python3
+echo 关闭“UEngine 运行器”
+python3 {programPath}/updatekiller.py
 echo 下载安装包
 wget -P /tmp/uengine-runner/update {UpdateWindow.data["Url"][0]}
 echo 安装安装包
diff --git a/uengine-apk-builder b/uengine-apk-builder
index ee1b48e..ad6389f 100755
--- a/uengine-apk-builder
+++ b/uengine-apk-builder
@@ -18,6 +18,7 @@ import random
 import zipfile
 import traceback
 import subprocess
+import updatekiller
 import PyQt5.QtGui as QtGui
 import PyQt5.QtCore as QtCore
 import PyQt5.QtWidgets as QtWidgets
@@ -490,4 +491,4 @@ try:
 except:
     print("无参数")
 window.show()
-sys.exit(app.exec_())
\ No newline at end of file
+sys.exit(app.exec_())
diff --git a/uengine-app-install b/uengine-app-install
index 120467c..5984cb2 100755
--- a/uengine-app-install
+++ b/uengine-app-install
@@ -1,6 +1,7 @@
 #!/usr/bin/env python3
 import os
 import sys
+import updatekiller
 if len(sys.argv) > 1:
     if sys.argv[1] == "--help":
         print("帮助：")
@@ -8,4 +9,4 @@ if len(sys.argv) > 1:
         sys.exit(0)
     sys.exit(os.system("sudo /usr/bin/uengine-session-launch-helper -- uengine install --apk='{}'".format(sys.argv[1])))
 print("命令参数错误")
-sys.exit(1)
\ No newline at end of file
+sys.exit(1)
diff --git a/uengine-app-setting.py b/uengine-app-setting.py
index 2fca036..0993ca1 100755
--- a/uengine-app-setting.py
+++ b/uengine-app-setting.py
@@ -2,6 +2,7 @@
 from modulefinder import packagePathMap
 import sys
 import ttkthemes
+import updatekiller
 import tkinter as tk
 import tkinter.ttk as ttk
 
@@ -31,4 +32,4 @@ def main():
     return 0
 
 if __name__ == "__main__":
-    sys.exit(main())
\ No newline at end of file
+    sys.exit(main())
diff --git a/uengine-app-uninstall b/uengine-app-uninstall
index 452bfc9..6e63022 100755
--- a/uengine-app-uninstall
+++ b/uengine-app-uninstall
@@ -1,6 +1,7 @@
 #!/usr/bin/env python3
 import os
 import sys
+import updatekiller
 if len(sys.argv) > 1:
     if sys.argv[1] == "--help":
         print("帮助：")
@@ -8,4 +9,4 @@ if len(sys.argv) > 1:
         sys.exit(0)
     sys.exit(os.system("sudo /usr/bin/uengine-session-launch-helper -- uengine uninstall --pkg='{}'".format(sys.argv[1])))
 print("命令参数错误")
-sys.exit(1)
\ No newline at end of file
+sys.exit(1)
diff --git a/uengine-clean b/uengine-clean
index 98543e0..8c3a509 100755
--- a/uengine-clean
+++ b/uengine-clean
@@ -1,6 +1,7 @@
 #!/usr/bin/env python3
 import os
 import sys
+import updatekiller
 if len(sys.argv) > 1:
     if sys.argv[1] == "--help":
         print("帮助：")
@@ -8,4 +9,4 @@ if len(sys.argv) > 1:
         sys.exit(0)
     print("参数错误")
     sys.exit(1)
-sys.exit(os.system("sudo rm -rf /data/uengine"))
\ No newline at end of file
+sys.exit(os.system("sudo rm -rf /data/uengine"))
diff --git a/uengine-keyboard b/uengine-keyboard
index eaf54a7..9cb4d80 100755
--- a/uengine-keyboard
+++ b/uengine-keyboard
@@ -14,6 +14,7 @@ import traceback
 import ttkthemes
 import pyautogui
 import threading
+import updatekiller
 import tkinter as tk
 import tkinter.ttk as ttk
 import tkinter.messagebox as messagebox
@@ -238,4 +239,4 @@ keys.start()
 threading.Thread(target=ShowTips).start()
 pyautogui.FAILSAFE = False
 threading.Thread(target=RestartProgramTimer).start()
-window.mainloop()
\ No newline at end of file
+window.mainloop()
diff --git a/uengine-runner-about b/uengine-runner-about
index ea82964..70208f7 100755
--- a/uengine-runner-about
+++ b/uengine-runner-about
@@ -16,6 +16,7 @@ import time
 import json
 import ttkthemes
 import subprocess
+import updatekiller
 import tkinter as tk
 import tkinter.ttk as ttk
 
@@ -167,4 +168,4 @@ def showhelp():
         print(windowflag)
         helpwindow.mainloop()
         #helpwindow.protocol("WM_DELETE_WINDOW", on_closing)
-showhelp()
\ No newline at end of file
+showhelp()
diff --git a/uengine-runner-update-bug b/uengine-runner-update-bug
index 143fa2c..544d66c 100755
--- a/uengine-runner-update-bug
+++ b/uengine-runner-update-bug
@@ -6,6 +6,7 @@ import base64
 import requests
 import traceback
 import webbrowser
+import updatekiller
 import urllib.parse as parse
 import PyQt5.QtGui as QtGui
 import PyQt5.QtWidgets as QtWidgets
@@ -108,4 +109,4 @@ window.setCentralWidget(widget)
 window.setWindowTitle(f"UEngine 运行器 {version} 问题/建议反馈")
 window.setWindowIcon(QtGui.QIcon(iconPath))
 window.show()
-sys.exit(app.exec_())
\ No newline at end of file
+sys.exit(app.exec_())
diff --git a/uengine-useadb b/uengine-useadb
index 85fe2be..e0eaf6b 100755
--- a/uengine-useadb
+++ b/uengine-useadb
@@ -6,6 +6,7 @@
 import os
 import sys
 import traceback
+import updatekiller
 import PyQt5.QtWidgets as QtWidgets
 ########################
 #
@@ -69,4 +70,4 @@ try:
 except:
     traceback.print_exc()
     QtWidgets.QMessageBox.information(None, "错误", traceback.format_exc())
-    sys.exit(2)
\ No newline at end of file
+    sys.exit(2)
diff --git a/uengine-window-size-setting.py b/uengine-window-size-setting.py
index 28e8136..4178d1d 100755
--- a/uengine-window-size-setting.py
+++ b/uengine-window-size-setting.py
@@ -3,6 +3,7 @@ import os
 import sys
 import shutil
 import traceback
+import updatekiller
 
 def Add():
     try:
@@ -41,4 +42,4 @@ if __name__ == "__main__":
         Del()
         sys.exit(0)
     print("参数错误！")
-    sys.exit(1)
\ No newline at end of file
+    sys.exit(1)
diff --git a/updatekiller.py b/updatekiller.py
new file mode 100755
index 0000000..962aee4
--- /dev/null
+++ b/updatekiller.py
@@ -0,0 +1,33 @@
+#!/usr/bin/env python3
+import sys
+import os
+import atexit
+
+PIDFILE = '/tmp/uengine-runner.pid'
+
+#程序结束时清理pid
+@atexit.register
+def remove_pid():
+    with open(PIDFILE) as pidfile:
+        pidlst = pidfile.readlines()
+    pidlst.remove(str(PID)+'\n')
+    with open(PIDFILE,'w') as pidfile:
+        pidfile.writelines(pidlst)
+
+#更新时结束进程
+def main():
+    for i in open(PIDFILE):
+        try:
+            os.kill(int(i),15)
+        except ProcessLookupError:
+            pass
+    os.remove(PIDFILE)
+
+#当该程序被直接执行时，执行结束进程操作。如果是导入的形式，则只是记录pid
+if __name__ == '__main__':
+    sys.exit(main())
+else:
+    #获取进程pid，用于更新时结束进程
+    PID = os.getpid()
+    with open(PIDFILE,'a') as pidfile:
+        print(PID,file=pidfile) #使用print可以在行末输出换行符，而且可以省去类型转换