环境Windows 10，64bit，VS2019 。操作如下：
e:\Quant\hikyuu\hikyuu_cpp\unit_test>xmake project -k vs2019 -m "release,debug"
: You are working in the project directory(E:\Quant\hikyuu) and you can also
force to build in current directory via run xmake -P .
checking for the architecture ... x64
checking for the Microsoft Visual Studio (x64) version ... 2019
checking for the mysql ... ok
checking for the hdf5 ... ok
generating hikyuu_cpp\hikyuu\version.h ... ok
checking for the release.x86 ...
checking for the mysql ... ok
checking for the hdf5 ... ok
checking for the release.x64 ...
checking for the hdf5 ... ok
checking for the mysql ... ok
checking for the debug.x86 ...
checking for the mysql ... no
checking for the hdf5 ... no
checking for the debug.x64 ...
checking for the hdf5 ... no
checking for the mysql ... no
error: bad argument #1:Hikyuu 使用问题 to 'is_absolute' (string expected, got nil)

请问这是什么情况，应该如何处理？(注：最后一行没有“Hikyuu 使用问题”，是“#”+“1”串在一起的，发出来就变了)