diff --git a/examples/healthcheck/README.md b/examples/healthcheck/README.md
index e69de29..ccb3ac0 100644
--- a/examples/healthcheck/README.md
+++ b/examples/healthcheck/README.md
@@ -0,0 +1,13 @@
+# Health check for GreptimeDB
+
+## Run Health Check
+
+```go
+go run main.go
+```
+
+Output:
+
+```log
+2024/09/11 12:13:11 the greptimedb is health
+```
\ No newline at end of file
diff --git a/examples/healthcheck/main.go b/examples/healthcheck/main.go
index a0d4adc..525d671 100644
--- a/examples/healthcheck/main.go
+++ b/examples/healthcheck/main.go
@@ -36,9 +36,9 @@ func init() {
 }
 
 func main() {
-	resp, err := client.HealthCheck(context.TODO())
+	_, err := client.HealthCheck(context.Background())
 	if err != nil {
-		log.Println(err)
+		log.Println("failed to health check:", err)
 	}
-	log.Println("health check response:", resp)
+	log.Println("the greptimedb is health")
 }