1.修改upgrade.sh脚本，升级完成后自动删除升级文件包

wuwei

2025-05-30 9084e3393212d75a758c8e6a28c665ddcc5fc03b

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export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:/usr/local/lib:/opt/tslib/lib:/opt/qt5.15/lib:/lib:/usr/lib"
export QT_PLUGIN_PATH=/opt/qt5.15/plugins/
export PATH="$PATH:/usr/sbin/"