startup first time with new postgres database,but it crashed,the output is:
>./casdoor
panic: pq: relationship "IDX_group_name" already exists
goroutine 1 [running]:
github.com/casdoor/casdoor/object.(*Ormer).createTable(0xc000e07340)
/home/runner/work/casdoor/casdoor/object/ormer.go:325 +0xd8e
github.com/casdoor/casdoor/object.CreateTables()
/home/runner/work/casdoor/casdoor/object/ormer.go:129 +0x36
main.main()
/home/runner/work/casdoor/casdoor/main.go:57 +0x1b4
the release version is casdoor_Linux_x86_64.tar.gz
v4.6.0
