diff --git a/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/discovery/SimpleMachineDiscovery.java b/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/discovery/SimpleMachineDiscovery.java
index a21fc355..140cfcd7 100755
--- a/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/discovery/SimpleMachineDiscovery.java
+++ b/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/discovery/SimpleMachineDiscovery.java
@@ -24,16 +24,20 @@ import java.util.concurrent.ConcurrentMap;
 
 import com.alibaba.csp.sentinel.util.AssertUtil;
 
-import lombok.extern.log4j.Log4j;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
 /**
  * @author leyou
  */
-@Log4j
 @Component
 public class SimpleMachineDiscovery implements MachineDiscovery {
 
+    @Autowired
+    private static Logger logger = LoggerFactory.getLogger(SimpleMachineDiscovery.class);
     private final ConcurrentMap<String, AppInfo> apps = new ConcurrentHashMap<>();
 
     @Override
@@ -46,7 +50,7 @@ public class SimpleMachineDiscovery implements MachineDiscovery {
 
     @Override
     public boolean removeMachine(String app, String ip, int port) {
-        log.debug("app is " + app);
+        logger.info("app is " + app);
         AssertUtil.assertNotBlank(app, "app name cannot be blank");
         AppInfo appInfo = apps.get(app);
         if (appInfo != null) {
@@ -59,20 +63,20 @@ public class SimpleMachineDiscovery implements MachineDiscovery {
     public List<String> getAppNames() {
 
 
-        log.debug("apps.keySet is " + apps.keySet());
+        logger.info("apps.keySet is " + apps.keySet());
         return new ArrayList<>(apps.keySet());
     }
 
     @Override
     public AppInfo getDetailApp(String app) {
-        log.debug("app is " + app);
+        logger.info("app is " + app);
         AssertUtil.assertNotBlank(app, "app name cannot be blank");
         return apps.get(app);
     }
 
     @Override
     public Set<AppInfo> getBriefApps() {
-        log.debug("apps is " + apps.toString());
+        logger.info("apps is " + apps.toString());
         return new HashSet<>(apps.values());
     }