[Bug]: milvus-backup 备份失败

[suchenghui]

Current Behavior

./milvus-backup --version milvus-backup version 0.4.0 (Built on 2023-09-22T10:22:24Z from Git SHA 1eb59969e3c4038db678e942b723515fb88c6271) milvus 版本：v2.3.0

Expected Behavior

No response

Steps To Reproduce

./milvus-backup create -n backup_kg_prod -d kg_prod
config:backup.yaml
[2023/10/08 11:42:06.180 +08:00] [INFO] [logutil/logutil.go:165] ["Log directory"] [configDir=]
[2023/10/08 11:42:06.180 +08:00] [INFO] [logutil/logutil.go:166] ["Set log file to "] [path=logs/backup.log]
[2023/10/08 11:42:06.180 +08:00] [INFO] [core/backup_impl_create_backup.go:25] ["receive CreateBackupRequest"] [requestId=a6b58ad5-658c-11ee-b0b6-5254000770cb] [backupName=backup_kg_prod] [collections="[]"] [databaseCollections="{\"kg_prod\":[]}"] [async=false]
[2023/10/08 11:42:06.241 +08:00] [INFO] [storage/minio_chunk_manager.go:124] ["minio chunk manager init success."] [bucketname=cos-prod-tc-ops-milvus-1302248489] [root=milvus_data]
[2023/10/08 11:42:06.306 +08:00] [ERROR] [core/backup_impl_create_backup.go:78] ["fail to get milvus version"] [error="rpc error: code = Unimplemented desc = "] [stack="github.com/zilliztech/milvus-backup/core.(*BackupContext).CreateBackup\n\t/home/runner/work/milvus-backup/milvus-backup/core/backup_impl_create_backup.go:78\ngithub.com/zilliztech/milvus-backup/cmd.glob..func2\n\t/home/runner/work/milvus-backup/milvus-backup/cmd/create.go:57\ngithub.com/spf13/cobra.(*Command).execute\n\t/home/runner/go/pkg/mod/github.com/spf13/[email protected]/command.go:876\ngithub.com/spf13/cobra.(*Command).ExecuteC\n\t/home/runner/go/pkg/mod/github.com/spf13/[email protected]/command.go:990\ngithub.com/spf13/cobra.(*Command).Execute\n\t/home/runner/go/pkg/mod/github.com/spf13/[email protected]/command.go:918\ngithub.com/zilliztech/milvus-backup/cmd.Execute\n\t/home/runner/work/milvus-backup/milvus-backup/cmd/root.go:26\nmain.main\n\t/home/runner/work/milvus-backup/milvus-backup/main.go:24\nruntime.main\n\t/opt/hostedtoolcache/go/1.18.10/x64/src/runtime/proc.go:250"]
Fail 
 rpc error: code = Unimplemented desc =

Environment

centos7.9
./milvus-backup  --version
milvus-backup version 0.4.0 (Built on 2023-09-22T10:22:24Z from Git SHA 1eb59969e3c4038db678e942b723515fb88c6271)
milvus 版本：v2.3.0

Anything else?

No response