Match cannot be followed by use space

[Nicole00]

Describe the bug (required)
Nebula 2.6 support the ngql: "use space; match (v:person) return v"

for the latest version nebula(nightly 0106), the same statement is not supported.

How To Reproduce(required)

1. create tag tag_b(col double)
2. create tag index aaa on tag_b(col)
3. insert vertex tag_b(col) values "2":(2.2)
4. use test;match (v:tag_b) return v