fix PS1

bashrc

@@ -616,7 +616,7 @@ then
     fi
     __my_cdef="\[\e[0m\]"
 fi
-_PS1="$(__my_ps1_save_last)\
+_PS1="\
 ${__my_c4}:: ${__my_cdef}[${__my_c2}\u@\H${__my_cdef}:${__my_c1}\w/${__my_cdef}]\$(__my_ps1_scale)\$(__my_ps1_tmux)\$(__my_ps1_git)\$(__my_ps1_bttry)\$(__my_ps1_ipaddr)\$(__my_ps1_moc)\n\
 ${__my_c4}:: ${__my_cdef}l${SHLVL}n\#j\js\$? \D{%T} \$ "
 PS1=$_PS1