Hi3519dv500仿真可以正常推理，板端推理时加载模型失败

Hi3519dv500仿真可以正常推理，板端推理时加载模型失败，报错如下：
[Func]:svp_npu_model_check_header_buf_info [Line]:49 [Info]:Error, model_name->size should be greater than 1
[Func]:svp_npu_model_check_model_info [Line]:1233 [Info]:Error, check model header failed
[Func]:svp_npu_model_fill_model_info [Line]:1561 [Info]:Error, check model info failed!
[Func]:svp_npu_model_load [Line]:347 [Info]:Error, model parse failed!
[Func]:svp_npu_model_load_normal_model [Line]:415 [Info]:Error, load model failed!
[Func]:svp_npu_model_load_from_mem [Line]:493 [Info]:Error, load normal model failed!
svp_acl_mdl_load_from_mem fail=100000
Failed to load model

atc —version:
Mapper Version 1.1.0.0_B010 (PICO_1.1) 2412191446d3b7964(CPU) (INST_5.0.7)
同样的方式转yolov5模型可以正常运行，求大佬帮忙看一下