diff --git a/mica-mqtt-core/src/main/java/net/dreamlu/iot/mqtt/core/server/MqttServer.java b/mica-mqtt-core/src/main/java/net/dreamlu/iot/mqtt/core/server/MqttServer.java
index 578d443ae28111d806691b3b6e252278b4f13816..bbc568f53cee0f08210cbd16924519a79ed807b1 100644
--- a/mica-mqtt-core/src/main/java/net/dreamlu/iot/mqtt/core/server/MqttServer.java
+++ b/mica-mqtt-core/src/main/java/net/dreamlu/iot/mqtt/core/server/MqttServer.java
@@ -49,9 +49,9 @@ public final class MqttServer {
 	private final ScheduledThreadPoolExecutor executor;
 
 	MqttServer(TioServer tioServer,
-					  MqttWebServer webServer,
-					  MqttServerCreator serverCreator,
-					  ScheduledThreadPoolExecutor executor) {
+			   MqttWebServer webServer,
+			   MqttServerCreator serverCreator,
+			   ScheduledThreadPoolExecutor executor) {
 		this.tioServer = tioServer;
 		this.webServer = webServer;
 		this.serverCreator = serverCreator;
@@ -244,7 +244,7 @@ public final class MqttServer {
 		return true;
 	}
 
-	public MqttServer start() {
+	public boolean start() {
 		// 1. 启动 mqtt tcp
 		try {
 			tioServer.start(this.serverCreator.getIp(), this.serverCreator.getPort());
@@ -259,7 +259,7 @@ public final class MqttServer {
 				throw new IllegalStateException("Mica mqtt http/websocket server start fail.", e);
 			}
 		}
-		return this;
+		return true;
 	}
 
 	public boolean stop() {
diff --git a/mica-mqtt-core/src/main/java/net/dreamlu/iot/mqtt/core/server/MqttServerCreator.java b/mica-mqtt-core/src/main/java/net/dreamlu/iot/mqtt/core/server/MqttServerCreator.java
index e2e23bba7b6bbcab2c85c5663aeacfe2a3585d74..afa96f2deb5511ac8de177d6f3e00df76b7e0ea2 100644
--- a/mica-mqtt-core/src/main/java/net/dreamlu/iot/mqtt/core/server/MqttServerCreator.java
+++ b/mica-mqtt-core/src/main/java/net/dreamlu/iot/mqtt/core/server/MqttServerCreator.java
@@ -413,4 +413,9 @@ public class MqttServerCreator {
 		return mqttServer;
 	}
 
+	public MqttServer start() {
+		MqttServer mqttServer = this.build();
+		mqttServer.start();
+		return mqttServer;
+	}
 }
diff --git a/mica-mqtt-example/src/main/java/net/dreamlu/iot/mqtt/biz/Server.java b/mica-mqtt-example/src/main/java/net/dreamlu/iot/mqtt/biz/Server.java
index f6aec7deb88e68164bcf917b9484be0118f36a04..e954b0d20b5291f43255c2a9841d1a95b659457a 100644
--- a/mica-mqtt-example/src/main/java/net/dreamlu/iot/mqtt/biz/Server.java
+++ b/mica-mqtt-example/src/main/java/net/dreamlu/iot/mqtt/biz/Server.java
@@ -55,7 +55,6 @@ public class Server {
 			.messageDispatcher(messageDispatcher)
 			.messageListener(messageListener)
 			.debug()
-			.build()
 			.start();
 	}
 }
diff --git a/mica-mqtt-example/src/main/java/net/dreamlu/iot/mqtt/server/MqttServerTest.java b/mica-mqtt-example/src/main/java/net/dreamlu/iot/mqtt/server/MqttServerTest.java
index ce65acc6869f5e448042b26d7f1795f62272dcfd..4bddc7f843af4fdd357ec5b1829cb777a59b63ac 100644
--- a/mica-mqtt-example/src/main/java/net/dreamlu/iot/mqtt/server/MqttServerTest.java
+++ b/mica-mqtt-example/src/main/java/net/dreamlu/iot/mqtt/server/MqttServerTest.java
@@ -50,7 +50,6 @@ public class MqttServerTest {
 				logger.info("clientId:{} topic:{} mqttQoS:{} message:{}", clientId, topic, mqttQoS, ByteBufferUtil.toString(payload));
 			})
 			.debug() // 开启 debug 信息日志
-			.build()
 			.start();
 
 		Timer timer = new Timer();
diff --git a/mica-mqtt-spring-boot-example/src/main/java/net/dreamlu/iot/mqtt/mica/MqttServerTest.java b/mica-mqtt-spring-boot-example/src/main/java/net/dreamlu/iot/mqtt/mica/MqttServerTest.java
index 7fbb63b325d2cf6864bc6c8ecc5da623424722ae..bfc754a6365261d9975aa93d27209b7830ca4fef 100644
--- a/mica-mqtt-spring-boot-example/src/main/java/net/dreamlu/iot/mqtt/mica/MqttServerTest.java
+++ b/mica-mqtt-spring-boot-example/src/main/java/net/dreamlu/iot/mqtt/mica/MqttServerTest.java
@@ -49,7 +49,6 @@ public class MqttServerTest {
 				logger.info("clientId:{} topic:{} mqttQoS:{} message:{}", clientId, topic, mqttQoS, ByteBufferUtil.toString(payload));
 			})
 			.debug() // 开启 debug 信息日志
-			.build()
 			.start();
 
 		Timer timer = new Timer();
diff --git a/mica-mqtt-spring-boot-starter/src/main/java/net/dreamlu/iot/mqtt/spring/server/MqttServerLauncher.java b/mica-mqtt-spring-boot-starter/src/main/java/net/dreamlu/iot/mqtt/spring/server/MqttServerLauncher.java
index b26a17c4c8c5a76378dff2c9fd4bbab9f635fafa..842eb0afc2e30e3c60b92f65da273cd65ac131d3 100644
--- a/mica-mqtt-spring-boot-starter/src/main/java/net/dreamlu/iot/mqtt/spring/server/MqttServerLauncher.java
+++ b/mica-mqtt-spring-boot-starter/src/main/java/net/dreamlu/iot/mqtt/spring/server/MqttServerLauncher.java
@@ -35,8 +35,7 @@ public class MqttServerLauncher implements SmartLifecycle, Ordered {
 
 	@Override
 	public void start() {
-		mqttServer.start();
-		running = true;
+		running = mqttServer.start();
 	}
 
 	@Override