diff --git a/client.go b/client.go
index 8897aa8..c456c7b 100644
--- a/client.go
+++ b/client.go
@@ -47,18 +47,13 @@ func NewClient(cfg *Config) (*Client, error) {
 	}
 
 	client := gpb.NewGreptimeDatabaseClient(conn)
-	return &Client{cfg: cfg, client: client}, nil
-}
-
-// NewHealthCheckClient helps to create the health check client, which will be responsible checking GreptimeDB health status.
-func NewHealthCheckClient(cfg *Config) (*Client, error) {
-	conn, err := grpc.Dial(cfg.endpoint(), cfg.build()...)
-	if err != nil {
-		return nil, err
-	}
+	healthCheckClient := gpb.NewHealthCheckClient(conn)
 
-	client := gpb.NewHealthCheckClient(conn)
-	return &Client{cfg: cfg, healthCheckClient: client}, nil
+	return &Client{
+		cfg:               cfg,
+		client:            client,
+		healthCheckClient: healthCheckClient,
+	}, nil
 }
 
 // submit is to build request and send it to GreptimeDB.
diff --git a/examples/healthcheck/main.go b/examples/healthcheck/main.go
index 525d671..d99e3b3 100644
--- a/examples/healthcheck/main.go
+++ b/examples/healthcheck/main.go
@@ -28,7 +28,7 @@ var (
 func init() {
 	cfg := greptime.NewConfig("127.0.0.1").WithDatabase("public")
 
-	cli_, err := greptime.NewHealthCheckClient(cfg)
+	cli_, err := greptime.NewClient(cfg)
 	if err != nil {
 		log.Panic(err)
 	}