ns仿真协议过程中的问题

couldn't read file "scene_5n": no such file or directory
while executing
"source.orig scene_5n"
("uplevel" body line 1)
invoked from within
"uplevel source.orig [list $fileName]"
invoked from within
"if [$instance_ is_http_url $fileName] {
set buffer [$instance_ read_url $fileName]
uplevel eval $buffer
} else {
uplevel source.orig [list $fileName]
..."
(procedure "source" line 8)
invoked from within
"source "scene_5n""
(file "/home/leixiaolei/ns-allinone-2.35/labs/aodv.tcl" line 59)

场景文件都建立了，但是就是不能读取，有帮忙的我把程序发进来