eclipse连接真机调试，无法安装apk

[JimmyU1]

通过USB连接手机，然后准备将手机app下载到真机上进行调试，但是无法安装

具体的错误信息如下，请各位给出指点
[2016-11-10 13:44:57 - ATPManagementSystem] ------------------------------
[2016-11-10 13:44:57 - ATPManagementSystem] Android Launch!
[2016-11-10 13:44:57 - ATPManagementSystem] adb is running normally.
[2016-11-10 13:44:57 - ATPManagementSystem] Performing com.crsc.atpmanagementsystem.LoginActivity activity launch
[2016-11-10 13:45:00 - ATPManagementSystem] Uploading ATPManagementSystem.apk onto device '0123456789ABCDEF'
[2016-11-10 13:45:00 - ATPManagementSystem] Installing ATPManagementSystem.apk...
[2016-11-10 13:45:01 - ATPManagementSystem] Installation error: INSTALL_FAILED_UPDATE_INCOMPATIBLE
[2016-11-10 13:45:01 - ATPManagementSystem] Please check logcat output for more details.
[2016-11-10 13:45:01 - ATPManagementSystem] Launch canceled!

[该-昵称已被占用]

没有安装成功啊： 1、手机允许调试关闭； 2、其他PC程序占用了adb。

[blanks.w]

是不是你已经安装过，没有卸载彻底，你去设置应用管理里面找到对应的APP，卸载掉，再试试

[setary0301]

卸载掉原来的再装

[JimmyU1]

问题已经解决，谢谢各位的帮助！