多租户切换，多语言切换异常
解决：
修改nginx配置，在nginx.conf中 增加
#多租户问题
ignore_invalid_headers off;
修改应用程序Logo异常处理
异常：
System.TypeInitializationException: The type initializer for 'Gdip' threw an exception. ---> System.DllNotFoundException: Unable to load DLL 'libgdiplus': The specified module could not be found.
解决：
yum install libgdiplus-devel
cd /usr/lib
sudo ln -s libgdiplus.so gdiplus.dll
重启host
Docker下文件处理异常
异常：
System.TypeInitializationException: The type initializer for 'Gdip' threw an exception. ---> System.DllNotFoundException: Unable to load DLL 'libgdiplus': The specified module could not be found.
解决：
WORKDIR /app
RUN echo "deb http://mirrors.163.com/debian/ stretch main non-free contrib" > /etc/apt/sources.list &&
echo "deb http://mirrors.163.com/debian/ stretch-updates main non-free contrib" >> /etc/apt/sources.list &&
echo "deb http://mirrors.163.com/debian/ stretch-backports main non-free contrib" >> /etc/apt/sources.list &&
echo "deb-src http://mirrors.163.com/debian/ stretch main non-free contrib" >> /etc/apt/sources.list &&
echo "deb-src http://mirrors.163.com/debian/ stretch-updates main non-free contrib" >> /etc/apt/sources.list &&
echo "deb-src http://mirrors.163.com/debian/ stretch-backports main non-free contrib" >> /etc/apt/sources.list &&
echo "deb http://mirrors.163.com/debian-security/ stretch/updates main non-free contrib" >> /etc/apt/sources.list &&
echo "deb-src http://mirrors.163.com/debian-security/ stretch/updates main non-free contrib" >> /etc/apt/sources.list &&
apt-get update &&
apt-get install libgdiplus -y &&
ln -s /usr/lib/libgdiplus.so /usr/lib/gdiplus.dll