zzm9910
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zzm9910
> 我也遇到了类似是的问题，编译过程中的确出现了问题sigmoid_focal_loss_cuda.obj : error LNK2001: 无法解析的外部符号 "public: long __cdecl at::Tensor::item(void)const " (??$item@J@Tensor@at@@QEBAJXZ) build\lib.win-amd64-3.7\mmdet\ops\sigmoid_focal_loss\sigmoid_focal_loss_ext.pyd : fatal error LNK1120: 1 个无法解析的外部命令 error: command 'C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.29.30133\bin\HostX86\x64\link.exe' failed with exit code...