diff --git a/server/README.md b/server/README.md
index 49565b4a..2028e3e2 100644
--- a/server/README.md
+++ b/server/README.md
@@ -25,8 +25,8 @@ $ ./nebula-studio-server -studio-config="./config/example-config.yaml"
 
 | Name               | Path                      | Method   |
 | ------------------ | ------------------------- | -------- |
-| ExecNGQL           | /api-nebula/db/connect   | POST     |
-| ConnectDB          | /api-nebula/db/exec       | POST     |
+| ExecNGQL           | /api-nebula/db/exec | POST     |
+| ConnectDB          | /api-nebula/db/connect | POST     |
 | DisconnectDB       | /api-nebula/db/disconnect | POST     |
 | ImportData         | /api-nebula/task/import   | POST     |
 | HandleImportAction | /api-nebula/import/action | POST     |
@@ -74,13 +74,13 @@ Response:
 
 ```json
 {
-  "code": 0,
-  "message": "",
-  "data": {
-    "nsid": "ae50dc65-0ef4-48f3-8f55-6a562a7e2ed7"
-  }
+    "code": 0,
+    "message": "",
+    "data": {
+        "nsid": "e870674d-6ebc-4d9d-a1f7-bf59fdca24e8",
+        "version": "v2.6"
+    }
 }
-
 ```
 
 #### DisconnectDB API
diff --git a/server/go.mod b/server/go.mod
index b65cfcda..300780c1 100644
--- a/server/go.mod
+++ b/server/go.mod
@@ -5,7 +5,7 @@ go 1.17
 require (
 	github.com/kataras/iris/v12 v12.2.0-alpha4
 	github.com/mattn/go-sqlite3 v2.0.3+incompatible
-	github.com/vesoft-inc/nebula-http-gateway/ccore v0.0.0-20220119025135-9c14441ae6d0
+	github.com/vesoft-inc/nebula-http-gateway/ccore v0.0.0-20220124093655-f7f5b4c63e6a
 	github.com/vesoft-inc/nebula-importer v1.0.1-0.20211213064541-05a8646be295
 	go.uber.org/zap v1.17.0
 	gopkg.in/yaml.v2 v2.4.0
diff --git a/server/go.sum b/server/go.sum
index 53ba4fd8..32867656 100644
--- a/server/go.sum
+++ b/server/go.sum
@@ -204,8 +204,8 @@ github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6Kllzaw
 github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
 github.com/vesoft-inc/nebula-go/v2 v2.5.2-0.20211210024917-9461e07cdca2 h1:ivN82oSpM/kNCZVdzoCSj1IT4ZDW7Xi2juhAZvh7eF8=
 github.com/vesoft-inc/nebula-go/v2 v2.5.2-0.20211210024917-9461e07cdca2/go.mod h1:fehDUs97/mpmxXi9WezhznX0Dg7hmQRUoOWgDZv9zG0=
-github.com/vesoft-inc/nebula-http-gateway/ccore v0.0.0-20220119025135-9c14441ae6d0 h1:hA8blKE64P2MbQcYlpqI0Lf28xpD2idmB+oCKoPXM78=
-github.com/vesoft-inc/nebula-http-gateway/ccore v0.0.0-20220119025135-9c14441ae6d0/go.mod h1:sFEvE+cY4TgwqWx6H6msOqAUzRhsEHHKaaMgIZENHuQ=
+github.com/vesoft-inc/nebula-http-gateway/ccore v0.0.0-20220124093655-f7f5b4c63e6a h1:tirwUK05V3LPsIFaLa0cHmVqFD3F1Tb8PlDTK7YWQGc=
+github.com/vesoft-inc/nebula-http-gateway/ccore v0.0.0-20220124093655-f7f5b4c63e6a/go.mod h1:sFEvE+cY4TgwqWx6H6msOqAUzRhsEHHKaaMgIZENHuQ=
 github.com/vesoft-inc/nebula-importer v1.0.1-0.20211213064541-05a8646be295 h1:YdBNGn+5YyIuQ6cWjIPCvSJW/3qj5ck5UIWGeh4hXNI=
 github.com/vesoft-inc/nebula-importer v1.0.1-0.20211213064541-05a8646be295/go.mod h1:0nHCbr2/nckhfxAA8sDbwxkNzA9YyXazWKyVMT/PfPo=
 github.com/vmihailenco/msgpack/v5 v5.3.4 h1:qMKAwOV+meBw2Y8k9cVwAy7qErtYCwBzZ2ellBfvnqc=
diff --git a/server/pkg/webserver/controller/gateway.go b/server/pkg/webserver/controller/gateway.go
index e894ede3..edcc67ea 100644
--- a/server/pkg/webserver/controller/gateway.go
+++ b/server/pkg/webserver/controller/gateway.go
@@ -75,8 +75,10 @@ func ConnectDB(ctx iris.Context) base.Result {
 			Message: err.Error(),
 		}
 	}
-	nsid, err := dao.Connect(params.Address, params.Port, params.Username, params.Password)
-	//sessions.Get(ctx).Set("nsid", nsid)
+	clientInfo, err := dao.Connect(params.Address, params.Port, params.Username, params.Password)
+	if err != nil {
+		return nil
+	}
 	if err != nil {
 		zap.L().Warn("connect DB fail", zap.Error(err))
 		return base.Response{
@@ -85,7 +87,10 @@ func ConnectDB(ctx iris.Context) base.Result {
 		}
 	}
 	data := make(map[string]string)
+	nsid := clientInfo.ClientID
+	version := clientInfo.NebulaVersion
 	data["nsid"] = nsid
+	data["version"] = string(version)
 	ctx.SetCookieKV("nsid", nsid)
 	return base.Response{
 		Code: base.Success,