fanspace

`Casbin init error {"level":"error","msg":"Error -4097: 单行子查询返回多行\nstack info:\n 1). mydm.(*dm_build_151).dm_build_184\n \tD:/myproject/backgate/723\n 2). mydm.(*dm_build_151).dm_build_140\n \tD:/myproject/backgate/dm/zq.go:710\n 3). mydm.(*dm_build_151).dm_build_143\n \tD:/myproject/backgate/dm/zq.go:764\n 4). mydm.(*dm_build_1345).dm_build_1388\n \tD:/myproject/backgate/dm/a.go:275\n 5). mydm.(*dm_build _1345).Dm_build_1456\n \tD:/myproject/backgate/dm/a.go:480\n 6). mydm.(*DmStatement).executeInner\n \tD:/myproject/backgate/d d m/u.go:998\n 7). mydm.(*DmStatement).query\n...

the version of dameng is 8.1.3 , you'll get the driver from https://gitee.com/forxing/dm the free download url of dameng database is https://eco.dameng.com/download/ they also provide a docker version

thks a lot for your help ~~

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