程序无法运行时，用户需要自行安装OpenSSL的开发包。在Ubuntu上，通常对应的包是libssl-dev

安装 OpenSSL 开发包

在终端中执行以下命令安装 OpenSSL 开发库（包含头文件和 .so 动态库）：

bash

sudo apt update
sudo apt install libssl-dev


libDNet.so用于开发安装openssl后，即可使用。

DNetApp无法运行时，请检查系统是否可以找到对应so，也可以使用ldd DNetApp来检查，如未包含，请搜索使用如apt之类的工具自行安装，
以下是示例：
linux-vdso.so.1 (0x00007ffe5f3d0000)
libstdc++.so.6 => /lib/x86_64-linux-gnu/libstdc++.so.6 (0x00007f32a1428000)
./libZZDNet.so (0x00007f32a11eb000)
./libZZSocket.so (0x00007f32a11aa000)
./libZZThread.so (0x00007f32a11a3000)
libcrypto.so.1.1 => /lib/x86_64-linux-gnu/libcrypto.so.1.1 (0x00007f32a0ecc000)
libQt5Widgets.so.5 => /lib/x86_64-linux-gnu/libQt5Widgets.so.5 (0x00007f32a0831000)
libQt5Gui.so.5 => /lib/x86_64-linux-gnu/libQt5Gui.so.5 (0x00007f32a0244000)
libQt5Network.so.5 => /lib/x86_64-linux-gnu/libQt5Network.so.5 (0x00007f32a0083000)
libQt5Xml.so.5 => /lib/x86_64-linux-gnu/libQt5Xml.so.5 (0x00007f32a0041000)
libQt5Core.so.5 => /lib/x86_64-linux-gnu/libQt5Core.so.5 (0x00007f329faf8000)
libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007f329fadd000)
libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f329f8eb000)
libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f329f79a000)
/lib64/ld-linux-x86-64.so.2 (0x00007f32a1664000)
libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f329f794000)
libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f329f771000)
libGL.so.1 => /lib/x86_64-linux-gnu/libGL.so.1 (0x00007f329f6e9000)
libpng16.so.16 => /lib/x86_64-linux-gnu/libpng16.so.16 (0x00007f329f6b1000)
libz.so.1 => /lib/x86_64-linux-gnu/libz.so.1 (0x00007f329f693000)
libharfbuzz.so.0 => /lib/x86_64-linux-gnu/libharfbuzz.so.0 (0x00007f329f58f000)
libicui18n.so.66 => /lib/x86_64-linux-gnu/libicui18n.so.66 (0x00007f329f290000)
libicuuc.so.66 => /lib/x86_64-linux-gnu/libicuuc.so.66 (0x00007f329f0aa000)
libpcre2-16.so.0 => /lib/x86_64-linux-gnu/libpcre2-16.so.0 (0x00007f329f026000)
libdouble-conversion.so.3 => /lib/x86_64-linux-gnu/libdouble-conversion.so.3 (0x00007f329f010000)
libglib-2.0.so.0 => /lib/x86_64-linux-gnu/libglib-2.0.so.0 (0x00007f329eee4000)
libGLdispatch.so.0 => /lib/x86_64-linux-gnu/libGLdispatch.so.0 (0x00007f329ee2c000)
libGLX.so.0 => /lib/x86_64-linux-gnu/libGLX.so.0 (0x00007f329edf8000)
libfreetype.so.6 => /lib/x86_64-linux-gnu/libfreetype.so.6 (0x00007f329ed39000)
libgraphite2.so.3 => /lib/x86_64-linux-gnu/libgraphite2.so.3 (0x00007f329ed0c000)
libicudata.so.66 => /lib/x86_64-linux-gnu/libicudata.so.66 (0x00007f329d249000)
libpcre.so.3 => /lib/x86_64-linux-gnu/libpcre.so.3 (0x00007f329d1d6000)
libX11.so.6 => /lib/x86_64-linux-gnu/libX11.so.6 (0x00007f329d099000)
libxcb.so.1 => /lib/x86_64-linux-gnu/libxcb.so.1 (0x00007f329d06f000)
libXau.so.6 => /lib/x86_64-linux-gnu/libXau.so.6 (0x00007f329d069000)
libXdmcp.so.6 => /lib/x86_64-linux-gnu/libXdmcp.so.6 (0x00007f329d05f000)
libbsd.so.0 => /lib/x86_64-linux-gnu/libbsd.so.0 (0x00007f329d045000)
如非必要，可以不安装Qt5.12.8。