[Bug]: 字段信息错误

### Describe the bug

如 select a1 as '1', a2 as '2' from db.table limit 10; 

字段提示在a2后追加可以正常提示，如果在a1之前或a1之后无法提示

### Environment

main

### Fast reproduce steps

如 select a1 as '1', a2 as '2' from db.table limit 10; 

字段提示在a2后追加可以正常提示，如果在a1之前或a1之后无法提示

### Expected behavior

_No response_

### Actual behavior

_No response_

### Additional context

_No response_