diff --git a/app.db b/app.db
index 6a33a5b..ca1d93e 100644
Binary files a/app.db and b/app.db differ
diff --git a/src/main/java/com/iflytop/digester/DigestionTaskTheadManager.java b/src/main/java/com/iflytop/digester/DigestionTaskTheadManager.java
index 12f2583..e39cb55 100644
--- a/src/main/java/com/iflytop/digester/DigestionTaskTheadManager.java
+++ b/src/main/java/com/iflytop/digester/DigestionTaskTheadManager.java
@@ -4,16 +4,17 @@ import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.iflytop.digester.model.MdbDigestionSolution;
 import com.iflytop.digester.model.MdbDigestionTask;
-import com.iflytop.digester.model.MdbOperationLog;
 import com.iflytop.digester.model.MdbRuntimeLog;
 import com.iflytop.digester.underframework.dao.model.UfMdbNotification;
 import com.iflytop.digester.underframework.dao.model.UfMdbOption;
 import com.iflytop.digester.underframework.dao.record.UfActiveRecord;
+import com.iflytop.digester.underframework.util.UfCommon;
 import com.iflytop.digester.underframework.util.UfJsonHelper;
 import jakarta.annotation.PostConstruct;
 import org.eclipse.paho.client.mqttv3.*;
 import org.eclipse.paho.client.mqttv3.persist.MemoryPersistence;
-import org.springframework.beans.factory.annotation.Value;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Component;
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -21,6 +22,8 @@ import java.util.List;
 import java.util.Map;
 @Component
 public class DigestionTaskTheadManager {
+    // logger
+    public static final Logger LOG = LoggerFactory.getLogger(DigestionTaskTheadManager.class);
     // Singleton instance
     private static DigestionTaskTheadManager instance = null;
     // Task list
@@ -41,47 +44,58 @@ public class DigestionTaskTheadManager {
 
     // setup
     public void setup() {
-        this.setupMqttBroker();
+        Thread mqttConnectThread = new Thread(DigestionTaskTheadManager.this::setupMqttBroker);
+        mqttConnectThread.start();
     }
 
     // setup mqtt broker
-    private void setupMqttBroker() {
-        String uri = UfMdbOption.getString("DigestionTaskMqttBrokerUri", "");
-        String clientId = UfMdbOption.getString("DigestionTaskMqttClientId", "");
-        String myTopic = UfMdbOption.getString("DigestionTaskMqttMyTopic", "");
-
-        this.client = null;
-        try {
-            this.client = new MqttClient(uri, clientId, new MemoryPersistence());
-        } catch (MqttException e) {
-            throw new RuntimeException(e);
-        }
-        this.client.setCallback(new MqttCallback() {
-            public void messageArrived(String topic, MqttMessage message) {
-                DigestionTaskTheadManager.this.handleOnMessageArrived(topic, message);
+    public void setupMqttBroker() {
+        do {
+            String uri = UfMdbOption.getString("DigestionTaskMqttBrokerUri", "");
+            String clientId = UfMdbOption.getString("DigestionTaskMqttClientId", "");
+            String myTopic = UfMdbOption.getString("DigestionTaskMqttMyTopic", "");
+
+            UfCommon.delay(1000);
+            LOG.info("[MQTT Server] : connecting {}", uri);
+            try {
+                this.client = new MqttClient(uri, clientId, new MemoryPersistence());
+            } catch (MqttException e) {
+                throw new RuntimeException(e);
             }
-            public void connectionLost(Throwable cause) {
-                UfMdbNotification.error("消解任务 MQTT 服务器断开连接");
-                System.out.println("connectionLost: " + cause.getMessage());
+
+            this.client.setCallback(new MqttCallback() {
+                public void messageArrived(String topic, MqttMessage message) {
+                    DigestionTaskTheadManager.this.handleOnMessageArrived(topic, message);
+                }
+                public void connectionLost(Throwable cause) {
+                    UfMdbNotification.error("消解任务 MQTT 服务器断开连接");
+                    System.out.println("connectionLost: " + cause.getMessage());
+                }
+                public void deliveryComplete(IMqttDeliveryToken token) {
+                    System.out.println("xxxx");
+                }
+            });
+
+            try {
+                MqttConnectOptions options = new MqttConnectOptions();
+                options.setAutomaticReconnect(true);
+                this.client.connect(options);
+                LOG.info("[MQTT Server] : connected {}", uri);
+            } catch (MqttException e) {
+                UfMdbNotification.error("消解任务 MQTT 服务器连接失败 : %s : %s", uri, e.getMessage());
+                this.client = null;
+                continue;
             }
-            public void deliveryComplete(IMqttDeliveryToken token) {
-                System.out.println("xxxx");
+
+            try {
+                client.subscribe(myTopic, 2);
+                LOG.info("[MQTT Server] : subscribed {}", myTopic);
+            } catch (MqttException e) {
+                throw new RuntimeException(e);
             }
-        });
-        try {
-            MqttConnectOptions options = new MqttConnectOptions();
-            options.setAutomaticReconnect(true);
-            client.connect(options);
-        } catch (MqttException e) {
-            UfMdbNotification.error("消解任务 MQTT 服务器连接失败 : %s : %s", uri, e.getMessage());
-            throw new RuntimeException(e);
-        }
 
-        try {
-            client.subscribe(myTopic, 2);
-        } catch (MqttException e) {
-            throw new RuntimeException(e);
-        }
+            break ;
+        } while ( true );
     }
 
     // Handle on message arrived