你插入的是txt的光源文件吗?这样的文件内容有固定的格式的,比如: u0s25 JY.% Line # Description Format >j%4U* NFAjh?# 1 File Header !! Source file: file-name dTATJ)NH Xb/W[rcs 2 Format Version Version:1.2 eG\|E3Cb9 -45xa$vv 3 TracePro Version TracePro Version: 2 1 0 t XbMP eHIsTL@Fp 4 - 7 Generation data (Varies with creation program) 8|U-{"!O? /x2MW5H 8+ Ray data (See below)