bin文件夹下有pw.x等，./run_example时，发生以下错误
/home/zhuang/QE/qe-6.6/PW/examples/example01 : starting
This example shows how to use pw.x to calculate the total energy and
the band structure of four simple systems: Si, Al, Cu, Ni.
executables directory: /home/zhuang/QE/qe-6.6/bin
pseudo directory: /home/zhuang/QE/qe-6.6/pseudo
temporary directory: /home/zhuang/QE/qe-6.6/tempdir
checking that needed directories and files exist... done
running pw.x as: mpirun -np 4 /home/zhuang/QE/qe-6.6/bin/pw.x -nk 1 -nd 1 -nb 1 -nt 1
running the scf calculation for Si...from test_input_xml: input file not opened or empty
STOP 1
from test_input_xml: input file not opened or empty
STOP 1
from test_input_xml: input file not opened or empty
STOP 1
Error condition encountered during test: exit status = 1
Aborting
请大神帮忙，不胜感谢
/home/zhuang/QE/qe-6.6/PW/examples/example01 : starting
This example shows how to use pw.x to calculate the total energy and
the band structure of four simple systems: Si, Al, Cu, Ni.
executables directory: /home/zhuang/QE/qe-6.6/bin
pseudo directory: /home/zhuang/QE/qe-6.6/pseudo
temporary directory: /home/zhuang/QE/qe-6.6/tempdir
checking that needed directories and files exist... done
running pw.x as: mpirun -np 4 /home/zhuang/QE/qe-6.6/bin/pw.x -nk 1 -nd 1 -nb 1 -nt 1
running the scf calculation for Si...from test_input_xml: input file not opened or empty
STOP 1
from test_input_xml: input file not opened or empty
STOP 1
from test_input_xml: input file not opened or empty
STOP 1
Error condition encountered during test: exit status = 1
Aborting
请大神帮忙，不胜感谢
