diff --git a/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/controller/AppController.java b/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/controller/AppController.java
index 9b21c0c1..c614a7c7 100755
--- a/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/controller/AppController.java
+++ b/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/controller/AppController.java
@@ -62,16 +62,16 @@ public class AppController {
     public Result<List<AppInfo>> queryAppInfos(HttpServletRequest request) {
 
         List<AppInfo> list = new ArrayList<>(appManagement.getBriefApps());
-        if (list.size() == 0) {
-            MachineInfo machineInfo = new MachineInfo();
-            machineInfo.setApp("sentinel-dashboard");
-            machineInfo.setAppType(0);
-            machineInfo.setHostname("id.ssjlai.com");
-            machineInfo.setPort(7777);
-            machineInfo.setIp("172.19.42.44");
-            appManagement.addMachine(machineInfo);
-            list = new ArrayList<>(appManagement.getBriefApps());
-        }
+//        if (list.size() == 0) {
+//            MachineInfo machineInfo = new MachineInfo();
+//            machineInfo.setApp("sentinel-dashboard");
+//            machineInfo.setAppType(0);
+//            machineInfo.setHostname("id.ssjlai.com");
+//            machineInfo.setPort(7777);
+//            machineInfo.setIp("172.19.42.44");
+//            appManagement.addMachine(machineInfo);
+//            list = new ArrayList<>(appManagement.getBriefApps());
+//        }
         Collections.sort(list, Comparator.comparing(AppInfo::getApp));
         return Result.ofSuccess(list);
     }
diff --git a/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/controller/v2/FlowControllerV2.java b/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/controller/v2/FlowControllerV2.java
index 9c1f1507..0ee89442 100755
--- a/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/controller/v2/FlowControllerV2.java
+++ b/sentinel-dashboard/src/main/java/com/alibaba/csp/sentinel/dashboard/controller/v2/FlowControllerV2.java
@@ -72,10 +72,10 @@ public class FlowControllerV2 {
     @GetMapping("/rules")
     @AuthAction(PrivilegeType.READ_RULE)
     public Result<List<FlowRuleEntity>> apiQueryMachineRules(@RequestParam String app) {
-        System.out.println("FlowControllerV2 apiQueryMachineRules app is " + app);
-        if (StringUtils.isBlank(app)) {
-            app="sentinel-dashboard";
-        }
+//        System.out.println("FlowControllerV2 apiQueryMachineRules app is " + app);
+//        if (StringUtils.isBlank(app)) {
+//            app="sentinel-dashboard";
+//        }
         if (StringUtil.isEmpty(app)) {
             return Result.ofFail(-1, "app can't be null or empty");
         }
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 e14f92b1..64f75397 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
@@ -42,7 +42,7 @@ public class SimpleMachineDiscovery implements MachineDiscovery {
 
     @Override
     public long addMachine(MachineInfo machineInfo) {
-        logger.info("SimpleMachineDiscovery addMachine");
+//        logger.info("SimpleMachineDiscovery addMachine");
         AssertUtil.notNull(machineInfo, "machineInfo cannot be null");
         AppInfo appInfo = apps.computeIfAbsent(machineInfo.getApp(), o -> new AppInfo(machineInfo.getApp(), machineInfo.getAppType()));
         appInfo.addMachine(machineInfo);
@@ -51,7 +51,7 @@ public class SimpleMachineDiscovery implements MachineDiscovery {
 
     @Override
     public boolean removeMachine(String app, String ip, int port) {
-        logger.info("app is " + app);
+//        logger.info("app is " + app);
         AssertUtil.assertNotBlank(app, "app name cannot be blank");
         AppInfo appInfo = apps.get(app);
         if (appInfo != null) {
@@ -64,20 +64,20 @@ public class SimpleMachineDiscovery implements MachineDiscovery {
     public List<String> getAppNames() {
 
 
-        logger.info("apps.keySet is " + apps.keySet());
+//        logger.info("apps.keySet is " + apps.keySet());
         return new ArrayList<>(apps.keySet());
     }
 
     @Override
     public AppInfo getDetailApp(String app) {
-        logger.info("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() {
-        logger.info("apps is " + apps.toString());
+//        logger.info("apps is " + apps.toString());
         return new HashSet<>(apps.values());
     }