psCmd="for /f %%a in ('wmic process where \"name='taosd.exe' and CommandLine like '%%dnode%d%%'\" get processId ^| xargs echo ^| awk ^'{print $2}^' ^&^& echo aa') do @(ps | grep %%a | awk '{print $1}' )"%(self.index)
psCmd="for /f %%a in ('wmic process where \"name='taosd.exe' and CommandLine like '%%dnode%d%%'\" get processId ^| xargs echo ^| awk ^'{print $2}^' ^&^& echo aa') do @(ps | grep %%a | awk '{print $1}' | xargs)"%(self.index)