diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 77865b43..2e4487d1 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        goVer: ['1.16', '1.17', '1.18', '1.19', '1.20', '1.21', '1.22']
+        goVer: ['1.16', '1.17', '1.18', '1.19', '1.20', '1.21', '1.22', '1.23']
     steps:
       - uses: actions/checkout@v2
       - name: Setup go ${{ matrix.goVer }}
@@ -42,7 +42,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        goVer: ['1.16', '1.17', '1.18', '1.19', '1.20', '1.21', '1.22']
+        goVer: ['1.16', '1.17', '1.18', '1.19', '1.20', '1.21', '1.22', '1.23']
     steps:
       - uses: actions/checkout@v2
       - name: Setup go ${{ matrix.goVer }}
@@ -67,7 +67,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        goVer: ['1.16', '1.17', '1.18', '1.19', '1.20', '1.21', '1.22']
+        goVer: ['1.16', '1.17', '1.18', '1.19', '1.20', '1.21', '1.22', '1.23']
     steps:
       - uses: actions/checkout@v2
       - name: Setup go ${{ matrix.goVer }}
diff --git a/configs.go b/configs.go
index f1104dc4..206df30b 100644
--- a/configs.go
+++ b/configs.go
@@ -12,7 +12,7 @@ import (
 	"crypto/tls"
 	"crypto/x509"
 	"fmt"
-	"io/ioutil"
+	"io"
 	"net/http"
 	"os"
 	"time"
@@ -108,7 +108,7 @@ func openAndReadFile(path string) ([]byte, error) {
 		return nil, fmt.Errorf("unable to open file %s: %s", path, err)
 	}
 	// read file
-	b, err := ioutil.ReadAll(f)
+	b, err := io.ReadAll(f)
 	if err != nil {
 		return nil, fmt.Errorf("unable to ReadAll file %s: %s", path, err)
 	}
diff --git a/connection.go b/connection.go
index 5f4e108e..8028b35b 100644
--- a/connection.go
+++ b/connection.go
@@ -199,7 +199,8 @@ func (cn *connection) ExecuteJsonWithParameter(sessionID int64, stmt string, par
 	jsonResp, err := cn.graph.ExecuteJsonWithParameter(sessionID, []byte(stmt), params)
 	if err != nil {
 		// reopen the connection if timeout
-		if _, ok := err.(thrift.TransportException); ok {
+		_, ok := err.(thrift.TransportException)
+		if ok {
 			if err.(thrift.TransportException).TypeID() == thrift.TIMED_OUT {
 				reopenErr := cn.reopen()
 				if reopenErr != nil {
diff --git a/result_set_test.go b/result_set_test.go
index aaccd155..870ae28b 100644
--- a/result_set_test.go
+++ b/result_set_test.go
@@ -502,7 +502,7 @@ func TestNode(t *testing.T) {
 	vertex := getVertex("Tom", 3, 5)
 	node, err := genNode(vertex, testTimezone)
 	if err != nil {
-		t.Errorf(err.Error())
+		t.Error(err.Error())
 	}
 
 	assert.Equal(t, "\"Tom\"", node.GetID().String())
@@ -517,7 +517,7 @@ func TestNode(t *testing.T) {
 	for i := 0; i < len(keysCopy); i++ {
 		actualVal, err := props[keysCopy[i]].AsInt()
 		if err != nil {
-			t.Errorf(err.Error())
+			t.Error(err.Error())
 		}
 		assert.Equal(t, int64(i), actualVal)
 	}
@@ -527,7 +527,7 @@ func TestRelationship(t *testing.T) {
 	edge := getEdge("Tom", "Lily", 5)
 	relationship, err := genRelationship(edge, testTimezone)
 	if err != nil {
-		t.Errorf(err.Error())
+		t.Error(err.Error())
 	}
 	assert.Equal(t, "\"Tom\"", relationship.GetSrcVertexID().String())
 	assert.Equal(t, "\"Lily\"", relationship.GetDstVertexID().String())
@@ -542,7 +542,7 @@ func TestRelationship(t *testing.T) {
 	for i := 0; i < len(keysCopy); i++ {
 		actualVal, err := props[keysCopy[i]].AsInt()
 		if err != nil {
-			t.Errorf(err.Error())
+			t.Error(err.Error())
 		}
 		assert.Equal(t, int64(i), actualVal)
 	}
@@ -552,17 +552,17 @@ func TestPathWrapper(t *testing.T) {
 	path := getPath("Tom", 5)
 	pathWrapper, err := genPathWrapper(path, testTimezone)
 	if err != nil {
-		t.Errorf(err.Error())
+		t.Error(err.Error())
 	}
 	assert.Equal(t, 5, pathWrapper.GetPathLength())
 	node, err := genNode(getVertex("Tom", 3, 5), testTimezone)
 	if err != nil {
-		t.Errorf(err.Error())
+		t.Error(err.Error())
 	}
 	assert.Equal(t, true, pathWrapper.ContainsNode(*node))
 	relationship, err := genRelationship(getEdge("Tom", "vertex0", 5), testTimezone)
 	if err != nil {
-		t.Errorf(err.Error())
+		t.Error(err.Error())
 	}
 	assert.Equal(t, true, pathWrapper.ContainsRelationship(relationship))
 
@@ -571,7 +571,7 @@ func TestPathWrapper(t *testing.T) {
 	for i := 0; i < 5; i++ {
 		genNode, err := genNode(getVertex(fmt.Sprintf("vertex%d", i), 3, 5), testTimezone)
 		if err != nil {
-			t.Errorf(err.Error())
+			t.Error(err.Error())
 		}
 		nodeList = append(nodeList, *genNode)
 	}
@@ -587,7 +587,7 @@ func TestPathWrapper(t *testing.T) {
 		}
 		newRelationship, err := genRelationship(edge, testTimezone)
 		if err != nil {
-			t.Errorf(err.Error())
+			t.Error(err.Error())
 		}
 		relationshipList = append(relationshipList, newRelationship)
 	}
@@ -696,7 +696,7 @@ func TestResultSet(t *testing.T) {
 
 	record, err := resultSet.GetRowValuesByIndex(0)
 	if err != nil {
-		t.Fatalf(err.Error())
+		t.Fatal(err.Error())
 	}
 	temp, _ := record.GetValueByIndex(0)
 	_, err = temp.AsNode()
@@ -839,7 +839,7 @@ func TestIntVid(t *testing.T) {
 	vertex := getVertexInt(101, 3, 5)
 	node, err := genNode(vertex, testTimezone)
 	if err != nil {
-		t.Errorf(err.Error())
+		t.Error(err.Error())
 	}
 
 	assert.Equal(t, "101", node.GetID().String())
@@ -854,7 +854,7 @@ func TestIntVid(t *testing.T) {
 	for i := 0; i < len(keysCopy); i++ {
 		actualVal, err := props[keysCopy[i]].AsInt()
 		if err != nil {
-			t.Errorf(err.Error())
+			t.Error(err.Error())
 		}
 		assert.Equal(t, int64(i), actualVal)
 	}
diff --git a/session.go b/session.go
index b94d2c3c..ad896e1f 100644
--- a/session.go
+++ b/session.go
@@ -286,7 +286,6 @@ func (session *Session) ShowSpaces() ([]SpaceName, error) {
 func (session *Session) reConnect() error {
 	newConnection, err := session.connPool.getIdleConn()
 	if err != nil {
-		err = fmt.Errorf(err.Error())
 		return err
 	}