diff --git a/inspect-ivs/src/main/java/com/inspect/ivs/controller/IvsControlController.java b/inspect-ivs/src/main/java/com/inspect/ivs/controller/IvsControlController.java
index 036a98e..bcb1588 100644
--- a/inspect-ivs/src/main/java/com/inspect/ivs/controller/IvsControlController.java
+++ b/inspect-ivs/src/main/java/com/inspect/ivs/controller/IvsControlController.java
@@ -106,10 +106,11 @@ public class IvsControlController {
 
     @GetMapping({"presetList"})
     public IvsPresetListView presetList(IvsVo ivsVo) {
-        log.info("GET_PRESET_LIST PARAM: {}", ivsVo);
+        final String apiAddr = ivsResourceRetryableDelegate.getApiAddress(ivsVo);
+        log.info("GET_PRESET_LIST PARAM: {}, apiAddr: {}", ivsVo, apiAddr);
         IvsPresetListView ivsPresetListView =
                 ivsCommonService.get(ivsResourceRetryableDelegate.getLabel(),
-                        ivsVo.getAddress(),
+                        apiAddr,
                         UriUtils.parseForReplace(IvsConst.URI_PRESET_LIST, ivsVo),
                         IvsPresetListView.class);
         log.debug("[IVS] END");
diff --git a/inspect-ivs/src/main/java/com/inspect/ivs/service/IvsResourceRetryableDelegate.java b/inspect-ivs/src/main/java/com/inspect/ivs/service/IvsResourceRetryableDelegate.java
index bdadbfe..c805560 100644
--- a/inspect-ivs/src/main/java/com/inspect/ivs/service/IvsResourceRetryableDelegate.java
+++ b/inspect-ivs/src/main/java/com/inspect/ivs/service/IvsResourceRetryableDelegate.java
@@ -77,7 +77,8 @@ public class IvsResourceRetryableDelegate {
         }
         paramJson.put("controlPara1", ivsPresetVo.getPreset());
         paramJson.put("controlPara2", "");
-        if(StringUtils.isNotEmpty(ivsPresetVo.getHost())) {
+        if (StringUtils.isNotEmpty(ivsPresetVo.getHost())
+                && !"null".equals(ivsPresetVo.getHost())) {
             paramJson.put("host", ivsPresetVo.getHost());
             paramJson.put("port", ivsPresetVo.getPort());
             paramJson.put("address", ivsPresetVo.getAddress());
@@ -120,7 +121,8 @@ public class IvsResourceRetryableDelegate {
             ignoredKeys.add("uUID");
             ignoredKeys.add("name");
             ignoredKeys.add("id");
-            if(StringUtils.isEmpty(ivsDevChanSnapVo.getHost())) {
+            if (StringUtils.isEmpty(ivsDevChanSnapVo.getHost())
+                    && !"null".equals(ivsDevChanSnapVo.getHost())) {
                 ignoredKeys.add("host");
                 ignoredKeys.add("port");
                 ignoredKeys.add("address");
@@ -168,7 +170,8 @@ public class IvsResourceRetryableDelegate {
             ivsChanSnapVo.setUUID(null);
             ivsChanSnapVo.setName(null);
             ivsChanSnapVo.setId(null);
-            if(StringUtils.isEmpty(ivsChanSnapVo.getHost())) {
+            if (StringUtils.isEmpty(ivsChanSnapVo.getHost())
+                    && !"null".equals(ivsChanSnapVo.getHost())) {
                 ivsChanSnapVo.setHost(null);
                 ivsChanSnapVo.setPort(null);
                 ivsChanSnapVo.setAddress(null);
@@ -281,9 +284,10 @@ public class IvsResourceRetryableDelegate {
         return UUID.randomUUID().toString().trim().replaceAll(StringUtils.DASH, StringUtils.EMPTY);
     }
 
-    private String getApiAddress(IvsVo ivsVo) {
+    public String getApiAddress(IvsVo ivsVo) {
         String realAddr = null;
-        if(StringUtils.isNotEmpty(ivsVo.getHost()) && StringUtils.isNotEmpty(ivsVo.getPort())) { // nvr ip
+        if (StringUtils.isNotEmpty(ivsVo.getHost())
+                && !"null".equals(ivsVo.getHost())) { // nvr ip
             //realAddr = ivsVo.getHost().concat(StringUtils.COLON).concat(ivsVo.getPort());
             realAddr = "http://" + ivsVo.getHost() + StringUtils.COLON + ivsVo.getPort();
         }
diff --git a/inspect-ivs/src/main/java/com/inspect/ivs/vo/IvsPresetVo.java b/inspect-ivs/src/main/java/com/inspect/ivs/vo/IvsPresetVo.java
index 4a310c3..939beff 100644
--- a/inspect-ivs/src/main/java/com/inspect/ivs/vo/IvsPresetVo.java
+++ b/inspect-ivs/src/main/java/com/inspect/ivs/vo/IvsPresetVo.java
@@ -7,10 +7,8 @@ import java.util.Objects;
 public class IvsPresetVo extends IvsVo {
    private String serial;
    private String channel;
-   private String code;
    private String command;
    private String preset;
-   private String name;
    private int focusSwitch = 0;
 
    public String getSerial() {
@@ -21,9 +19,6 @@ public class IvsPresetVo extends IvsVo {
       return this.channel;
    }
 
-   public String getCode() {
-      return this.code;
-   }
 
    public String getCommand() {
       return this.command;
@@ -33,9 +28,7 @@ public class IvsPresetVo extends IvsVo {
       return this.preset;
    }
 
-   public String getName() {
-      return this.name;
-   }
+
 
    public int getFocusSwitch() {
       return this.focusSwitch;
@@ -61,40 +54,5 @@ public class IvsPresetVo extends IvsVo {
       this.focusSwitch = focusSwitch;
    }
 
-   @Override
-   public boolean equals(Object object) {
-      if (this == object) return true;
-      if (object == null || getClass() != object.getClass()) return false;
-      if (!super.equals(object)) return false;
-      IvsPresetVo that = (IvsPresetVo) object;
-      return focusSwitch == that.focusSwitch && Objects.equals(serial, that.serial) && Objects.equals(channel, that.channel) && Objects.equals(code, that.code) && Objects.equals(command, that.command) && Objects.equals(preset, that.preset) && Objects.equals(name, that.name);
-   }
 
-   @Override
-   public int hashCode() {
-      return Objects.hash(super.hashCode(), serial, channel, code, command, preset, name, focusSwitch);
-   }
-
-   @Override
-   public String toString() {
-      return "IvsPresetVo{" +
-              "serial='" + serial + '\'' +
-              ", channel='" + channel + '\'' +
-              ", code='" + code + '\'' +
-              ", command='" + command + '\'' +
-              ", preset='" + preset + '\'' +
-              ", name='" + name + '\'' +
-              ", focusSwitch=" + focusSwitch +
-              "code='" + getCode() + '\'' +
-              "cameraCode='" + getCameraCode() + '\'' +
-              "domainCode='" + getCameraCode() + '\'' +
-              "host='" + getHost() + '\'' +
-              "port='" + getPort() + '\'' +
-              "address='" + getAddress() + '\'' +
-              "username='" + getUsername() + '\'' +
-              "password='" + getPassword() + '\'' +
-              "name='" + getName() + '\'' +
-              "id='" + getId() + '\'' +
-              '}';
-   }
 }