diff --git a/README.md b/README.md
index 27c2019..b5f2557 100644
--- a/README.md
+++ b/README.md
@@ -73,6 +73,7 @@ bin/br version
         --s3.endpoint string     S3 Option: set the S3 endpoint URL, please specify the http or https scheme explicitly
         --s3.region string       S3 Option: set region or location to upload or download backup
         --s3.secret_key string   S3 Option: set secret key for access id
+        --debug                  Output log in debug level or not
   ```
 
   For example, the command below will conduct a full backup operation of entire cluster whose meta service's address is `127.0.0.1:9559`, upload the backup files to local `/home/nebula/backup`  or S3 URL `s3://127.0.0.1:9000/br-test/backup`.
@@ -103,6 +104,7 @@ bin/br version
                                      example:
                                      for local - "local:///the/local/path/to/backup"
                                      for s3  - "s3://example/url/to/the/backup" 
+        --debug                  Output log in debug level or not
   ```
 
   For example, the command below will list the information of existing backups in local path `/home/nebula/backup` or  S3 URL `s3://127.0.0.1:9000/br-test/backup`
@@ -150,6 +152,7 @@ bin/br version
         --s3.endpoint string     S3 Option: set the S3 endpoint URL, please specify the http or https scheme explicitly
         --s3.region string       S3 Option: set region or location to upload or download backup
         --s3.secret_key string   S3 Option: set secret key for access id
+        --debug                  Output log in debug level or not
   ```
 
   For example, the command below will conduct a restore operation, which restore to the cluster whose meta service address is `127.0.0.1:9559`, from local disk in path `/home/nebula/backup/BACKUP_2021_12_08_18_38_08` or s3 URL `s3://127.0.0.1:9000/br-test/backupu/BACKUP_2021_12_08_18_38_08`
@@ -186,12 +189,13 @@ bin/br version
         --s3.endpoint string     S3 Option: set the S3 endpoint URL, please specify the http or https scheme explicitly
         --s3.region string       S3 Option: set region or location to upload or download backup
         --s3.secret_key string   S3 Option: set secret key for access id
+        --debug                  Output log in debug level or not
   ```
 
   For example:
   ```bash
   # for local
-  br cleanup --meta "127.0.0.1:9559" --s3.endpoint "http://127.0.0.1:9000" --storage="local:///home/nebula/backup/" --name BACKUP_2021_12_08_18_38_08
+  br cleanup --meta "127.0.0.1:9559" --storage="local:///home/nebula/backup/" --name BACKUP_2021_12_08_18_38_08
 
   # for s3
   br cleanup --meta "127.0.0.1:9559" --s3.endpoint "http://127.0.0.1:9000" --storage="s3://br-test/backup/" --s3.access_key=minioadmin --s3.secret_key=minioadmin --name=BACKUP_2021_12_08_18_38_08
diff --git a/go.mod b/go.mod
index 8870472..586830d 100644
--- a/go.mod
+++ b/go.mod
@@ -10,7 +10,7 @@ require (
 	github.com/spf13/cobra v1.1.1
 	github.com/spf13/pflag v1.0.5
 	github.com/stretchr/testify v1.7.0
-	github.com/vesoft-inc/nebula-agent v0.1.1-0.20220208095610-fe80654911f8
-	github.com/vesoft-inc/nebula-go/v3 v3.0.0-20220119024722-ab348afbb79d
+	github.com/vesoft-inc/nebula-agent v0.1.1
+	github.com/vesoft-inc/nebula-go/v3 v3.0.0
 	golang.org/x/sys v0.0.0-20211124211545-fe61309f8881 // indirect
 )
diff --git a/go.sum b/go.sum
index fc9dbb3..312fb3d 100644
--- a/go.sum
+++ b/go.sum
@@ -223,10 +223,10 @@ github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5Cc
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/subosito/gotenv v1.2.0/go.mod h1:N0PQaV/YGNqwC0u51sEeR/aUtSLEXKX9iv69rRypqCw=
 github.com/tmc/grpc-websocket-proxy v0.0.0-20190109142713-0ad062ec5ee5/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
-github.com/vesoft-inc/nebula-agent v0.1.1-0.20220208095610-fe80654911f8 h1:UY7ygJyfzpYWIsdLpLJTf1yjh3FhW8xRYBNQg1OL77o=
-github.com/vesoft-inc/nebula-agent v0.1.1-0.20220208095610-fe80654911f8/go.mod h1:uA6GJsvhNdTZkLQp1grX74fUm6TWi7EWA2AEWNeHzNU=
-github.com/vesoft-inc/nebula-go/v3 v3.0.0-20220119024722-ab348afbb79d h1:spO7OAtYI1wiqBiJ9417pKhqx0IkqFAFdFQFPm4JIrs=
-github.com/vesoft-inc/nebula-go/v3 v3.0.0-20220119024722-ab348afbb79d/go.mod h1:+sXv05jYQBARdTbTcIEsWVXCnF/6ttOlDK35xQ6m54s=
+github.com/vesoft-inc/nebula-agent v0.1.1 h1:HGrKJV02uLQydgBTn8/eVdyxkY3cLGC1B5ra/xet52Y=
+github.com/vesoft-inc/nebula-agent v0.1.1/go.mod h1:JovCbyojVT665zWtlsss9SL9cVX969XKkZKO3NhrcMQ=
+github.com/vesoft-inc/nebula-go/v3 v3.0.0 h1:ii5T3vps4xAQZkzPvGn6NuiUWlH/rm1zdIS5VTEA71A=
+github.com/vesoft-inc/nebula-go/v3 v3.0.0/go.mod h1:+sXv05jYQBARdTbTcIEsWVXCnF/6ttOlDK35xQ6m54s=
 github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
 go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=