fastOnnxTest 成功 但使用时输出不一致 about mnn HOT 2 CLOSED

for (int i = 0; i < 256; ++i) {
    cv::Vec3f* ptr = rect_img.ptr<cv::Vec3f>(i);
    for (int j=0;j<256;j++){
        input_tensor_->host<float>()[i*j] = ptr[j][0];
        input_tensor_->host<float>()[i*j+1] = ptr[j][1];
        input_tensor_->host<float>()[i*j+2] = ptr[j][2];
    }
}

        input_tensor_->host<float>()[i*256+j] = ptr[j][0];
        input_tensor_->host<float>()[i*256+j+1*256*256] = ptr[j][1];
        input_tensor_->host<float>()[i*256+j+2*256*256] = ptr[j][2];