[Bug]:执行 pnpm antlr4 --lang xxx 报错

### Version

v4.1.0

### Which SQL?

Any Others

### SQL content

```sql

```

### JavaScript/TypeScript code

```typescript

```

### What happened?

<img width="1205" alt="Image" src="https://github.com/user-attachments/assets/e2261cc8-d9af-45b6-98ed-c0e4c78ddf7e" />

执行 pnpm antlr4 --lang xxx 的时候不应该报错

### Relevant log output

```shell

```