AttributeError: Layer mlp.experts has no parameter ‘w13_weight.weight’ for checkpoint weight ‘mlp.experts.gate_up_proj.weight’

这个问题通常出现在用 vLLM 加载 Aria 的 MoE 专家权重时——checkpoint 里的专家名是 experts.fc1.weight / experts.fc2.weight ,但 vLLM 的融合专家加载器却去查询 w13_weight.weight / w2_weight.weig

![[Bug]: assistant_tokens_mask misaligned after multimodal placeholder expansion](https://www.chat-gpts.plus/wp-content/uploads/2026/09/57223-39345890-768x403.jpg)

![RuntimeError: The shape of the mask [1, 9476] at index 1 does not match the shape of the indexed tensor [1, 9477, 3584] at index 1](https://www.chat-gpts.plus/wp-content/uploads/2026/09/48835-104181fb-768x403.jpg)




