[Bug]: DeepSeek-V3.2 may report errors during decode stage under high-load scenarios

### Your current environment

<details>
<summary>The output of `python collect_env.py`</summary>

```text
Your output of above commands here
```

</details>


### 🐛 Describe the bug

When run dsv3.2 during decode stage under high-load scenarios, some errors may report, such as lightning indexer ops error.

We will try our best to fix it as soon as possible.