TMS320F280025: 在CCS V12里面post_build中调用批处理文件将hex转换成bin格式失败！

post_build 命令行：

"${CCS_INSTALL_ROOT}/utils/tiobj2bin/tiobj2bin" "${BuildArtifactFileName}" "${BuildArtifactFileBaseName}.bin" "${CG_TOOL_ROOT}/bin/ofd2000" "${CG_TOOL_ROOT}/bin/hex2000" "${CCS_INSTALL_ROOT}/utils/tiobj2bin/mkhex4bin"

CCS 编译信息：

Finished building target: "led_ex1_blinky.out"       ---- 提示已经生成out文件了

Building secondary target: "led_ex1_blinky.hex"
Invoking: C2000 Hex Utility
"C:/ti/ccs1220/ccs/tools/compiler/ti-cgt-c2000_22.6.0.LTS/bin/hex2000" --romwidth=16 --diag_wrap=off -o "led_ex1_blinky.hex" "led_ex1_blinky.out"
Translating to Extended Tektronix format...
"led_ex1_blinky.out" codestart ==> codestart
"led_ex1_blinky.out" .text ==> .text
"led_ex1_blinky.out" .const ==> .const
"led_ex1_blinky.out" .TI.ramfunc ==> .TI.ramfunc
"led_ex1_blinky.out" .cinit ==> .cinit
Finished building secondary target: "led_ex1_blinky.hex"       ----开启C2000 HEX Utility生成了hex文件

"C:/ti/ccs1220/ccs/utils/tiobj2bin/tiobj2bin" "led_ex1_blinky.out" "led_ex1_blinky.bin" "C:/ti/ccs1220/ccs/tools/compiler/ti-cgt-c2000_22.6.0.LTS/bin/ofd2000" "C:/ti/ccs1220/ccs/tools/compiler/ti-cgt-c2000_22.6.0.LTS/bin/hex2000" "C:/ti/ccs1220/ccs/utils/tiobj2bin/mkhex4bin"
makefile:225: recipe for target 'post-build' failed
'C:' 不是内部或外部命令，也不是可运行的程序            ---- 调用批处理文件转换成bin文件格式失败！
或批处理文件。
gmake[2]: [post-build] Error 255 (ignored)

请帮忙解答一下，谢谢！