部分报错信息如下：

2024-04-18,21:54:45 | INFO | Rank 0 | valid_step_interval: 150
2024-04-18,21:54:45 | INFO | Rank 0 | vision_model: ViT-B-16
2024-04-18,21:54:45 | INFO | Rank 0 | warmup: 100
2024-04-18,21:54:45 | INFO | Rank 0 | wd: 0.001
2024-04-18,21:54:45 | INFO | Rank 0 | world_size: 1
2024-04-18,21:54:45 | INFO | Rank 0 | Use GPU: 0 for training
2024-04-18,21:54:45 | INFO | Rank 0 | => begin to load checkpoint '/home/ppop/Chinese-CLIP/datapath/pretrained_weights/clip_cn_vit-b-16.pt'
2024-04-18,21:54:46 | INFO | Rank 0 | train LMDB file contains 35000 images and 105000 pairs.
2024-04-18,21:54:46 | INFO | Rank 0 | val LMDB file contains 7500 images and 22500 pairs.
Traceback (most recent call last):
File "cn_clip/training/main.py", line 350, in main()
main()
File "cn_clip/training/main.py", line 231, in main
optimizer.load_state_dict(checkpoint["optimizer"])
KeyError: 'optimizer'
Exception in thread Thread-1:
Traceback (most recent call last):
File "/home/ppop/miniconda3/envs/torch/lib/python3.8/threading.py", line 932, in _bootstrap_inner