diff --git a/opengemini/database_test.go b/opengemini/database_test.go
index a6fc7a8..841d4b2 100644
--- a/opengemini/database_test.go
+++ b/opengemini/database_test.go
@@ -6,12 +6,7 @@ import (
 )
 
 func TestClientCreateDatabaseSuccess(t *testing.T) {
-	c := testNewClient(t, &Config{
-		Addresses: []*Address{{
-			Host: "localhost",
-			Port: 8086,
-		}},
-	})
+	c := testDefaultClient(t)
 	databaseName := randomDatabaseName()
 	err := c.CreateDatabase(databaseName)
 	require.Nil(t, err)
@@ -20,23 +15,13 @@ func TestClientCreateDatabaseSuccess(t *testing.T) {
 }
 
 func TestClientCreateDatabaseEmptyDatabase(t *testing.T) {
-	c := testNewClient(t, &Config{
-		Addresses: []*Address{{
-			Host: "localhost",
-			Port: 8086,
-		}},
-	})
+	c := testDefaultClient(t)
 	err := c.CreateDatabase("")
 	require.NotNil(t, err)
 }
 
 func TestClientCreateDatabaseWithRpSuccess(t *testing.T) {
-	c := testNewClient(t, &Config{
-		Addresses: []*Address{{
-			Host: "localhost",
-			Port: 8086,
-		}},
-	})
+	c := testDefaultClient(t)
 	databaseName := randomDatabaseName()
 	err := c.CreateDatabaseWithRp(databaseName, RpConfig{Name: "test4", Duration: "1d", ShardGroupDuration: "1h", IndexDuration: "7h"})
 	require.Nil(t, err)
@@ -45,58 +30,33 @@ func TestClientCreateDatabaseWithRpSuccess(t *testing.T) {
 }
 
 func TestClientCreateDatabaseWithRpInvalid(t *testing.T) {
-	c := testNewClient(t, &Config{
-		Addresses: []*Address{{
-			Host: "localhost",
-			Port: 8086,
-		}},
-	})
+	c := testDefaultClient(t)
 	databaseName := randomDatabaseName()
 	err := c.CreateDatabaseWithRp(databaseName, RpConfig{Name: "test4", Duration: "1", ShardGroupDuration: "1h", IndexDuration: "7h"})
 	require.NotNil(t, err)
 }
 
 func TestClientCreateDatabaseWithRpEmptyDatabase(t *testing.T) {
-	c := testNewClient(t, &Config{
-		Addresses: []*Address{{
-			Host: "localhost",
-			Port: 8086,
-		}},
-	})
+	c := testDefaultClient(t)
 	err := c.CreateDatabaseWithRp("", RpConfig{Name: "test4", Duration: "1h", ShardGroupDuration: "1h", IndexDuration: "7h"})
 	require.NotNil(t, err)
 }
 
 func TestClientShowDatabase(t *testing.T) {
-	c := testNewClient(t, &Config{
-		Addresses: []*Address{{
-			Host: "localhost",
-			Port: 8086,
-		}},
-	})
+	c := testDefaultClient(t)
 	_, err := c.ShowDatabase()
 	require.Nil(t, err)
 }
 
 func TestClientDropDatabase(t *testing.T) {
-	c := testNewClient(t, &Config{
-		Addresses: []*Address{{
-			Host: "localhost",
-			Port: 8086,
-		}},
-	})
+	c := testDefaultClient(t)
 	databaseName := randomDatabaseName()
 	err := c.DropDatabase(databaseName)
 	require.Nil(t, err)
 }
 
 func TestClientDropDatabaseEmptyDatabase(t *testing.T) {
-	c := testNewClient(t, &Config{
-		Addresses: []*Address{{
-			Host: "localhost",
-			Port: 8086,
-		}},
-	})
+	c := testDefaultClient(t)
 	err := c.DropDatabase("")
 	require.NotNil(t, err)
 }
diff --git a/opengemini/ping_test.go b/opengemini/ping_test.go
index 127873d..c0a70f1 100644
--- a/opengemini/ping_test.go
+++ b/opengemini/ping_test.go
@@ -6,12 +6,7 @@ import (
 )
 
 func TestPingSuccess(t *testing.T) {
-	c := testNewClient(t, &Config{
-		Addresses: []*Address{{
-			Host: "localhost",
-			Port: 8086,
-		}},
-	})
+	c := testDefaultClient(t)
 
 	err := c.Ping(0)
 	require.Nil(t, err)
@@ -33,12 +28,7 @@ func TestPingFailForInaccessibleAddress(t *testing.T) {
 }
 
 func TestPingFailForOutOfRangeIndex(t *testing.T) {
-	c := testNewClient(t, &Config{
-		Addresses: []*Address{{
-			Host: "localhost",
-			Port: 8086,
-		}},
-	})
+	c := testDefaultClient(t)
 
 	err := c.Ping(1)
 	require.NotNil(t, err)
diff --git a/opengemini/retention_policy_test.go b/opengemini/retention_policy_test.go
index 490ba41..f5da828 100644
--- a/opengemini/retention_policy_test.go
+++ b/opengemini/retention_policy_test.go
@@ -6,12 +6,7 @@ import (
 )
 
 func TestClientCreateRetentionPolicy(t *testing.T) {
-	c := testNewClient(t, &Config{
-		Addresses: []*Address{{
-			Host: "localhost",
-			Port: 8086,
-		}},
-	})
+	c := testDefaultClient(t)
 	databaseName := randomDatabaseName()
 	err := c.CreateDatabase(databaseName)
 	require.Nil(t, err)
@@ -36,12 +31,7 @@ func TestClientCreateRetentionPolicy(t *testing.T) {
 }
 
 func TestClientCreateRetentionPolicyNotExistDatabase(t *testing.T) {
-	c := testNewClient(t, &Config{
-		Addresses: []*Address{{
-			Host: "localhost",
-			Port: 8086,
-		}},
-	})
+	c := testDefaultClient(t)
 	databaseName := randomDatabaseName()
 	err := c.CreateRetentionPolicy(databaseName, RpConfig{Name: "test_rp1", Duration: "3d"}, false)
 	require.NotNil(t, err)
@@ -50,34 +40,19 @@ func TestClientCreateRetentionPolicyNotExistDatabase(t *testing.T) {
 }
 
 func TestClientCreateRetentionPolicyEmptyDatabase(t *testing.T) {
-	c := testNewClient(t, &Config{
-		Addresses: []*Address{{
-			Host: "localhost",
-			Port: 8086,
-		}},
-	})
+	c := testDefaultClient(t)
 	err := c.CreateRetentionPolicy("", RpConfig{Name: "test_rp1", Duration: "3d"}, false)
 	require.NotNil(t, err)
 }
 
 func TestClientDropRetentionPolicy(t *testing.T) {
-	c := testNewClient(t, &Config{
-		Addresses: []*Address{{
-			Host: "localhost",
-			Port: 8086,
-		}},
-	})
+	c := testDefaultClient(t)
 	err := c.DropRetentionPolicy("test_rp1", "test_database")
 	require.Nil(t, err)
 }
 
 func TestClientShowRetentionPolicy(t *testing.T) {
-	c := testNewClient(t, &Config{
-		Addresses: []*Address{{
-			Host: "localhost",
-			Port: 8086,
-		}},
-	})
+	c := testDefaultClient(t)
 	databaseName := randomDatabaseName()
 	err := c.CreateDatabase(databaseName)
 	require.Nil(t, err)
diff --git a/opengemini/test_util.go b/opengemini/test_util.go
index eda2b83..90f58ce 100644
--- a/opengemini/test_util.go
+++ b/opengemini/test_util.go
@@ -5,6 +5,15 @@ import (
 	"testing"
 )
 
+func testDefaultClient(t *testing.T) Client {
+	return testNewClient(t, &Config{
+		Addresses: []*Address{{
+			Host: "localhost",
+			Port: 8086,
+		}},
+	})
+}
+
 func testNewClient(t *testing.T, config *Config) Client {
 	client, err := newClient(config)
 	require.Nil(t, err)