diff --git a/src/common/ClientConnection.ts b/src/common/ClientConnection.ts
index 64bd31b..2301931 100644
--- a/src/common/ClientConnection.ts
+++ b/src/common/ClientConnection.ts
@@ -876,6 +876,16 @@ export default class ClientConnection {
     }
   }
 
+  public async switchOutputBoardSplitState() {
+    try {
+      this.ws?.send(
+        JSON.stringify(new Protocol.SwitchOutputBoardSplitStateRequestEntity())
+      );
+    } catch (e) {
+      console.error(e);
+    }
+  }
+
   public async restoreOutputBoard() {
     try {
       return await this.doRpc<Protocol.RestoreOutputBoardResponseEntity>(
diff --git a/src/components/ModeDialog.vue b/src/components/ModeDialog.vue
index bc1ac43..d218726 100644
--- a/src/components/ModeDialog.vue
+++ b/src/components/ModeDialog.vue
@@ -148,7 +148,12 @@
                 </q-input>
               </q-item-section>
             </q-item>
-            <q-item>
+            <q-item
+              v-show="
+                !$store.state.custom_defines.is_custom_isv ||
+                $store.state.advanced_debug
+              "
+            >
               <q-card class="full-width" style="height: 25vh">
                 <q-card-section
                   ><span>{{ $t("joint action equipment") }}</span>
diff --git a/src/components/custom/ISVVideoWallDialog.vue b/src/components/custom/ISVVideoWallDialog.vue
index 0727b6c..0eacd3a 100644
--- a/src/components/custom/ISVVideoWallDialog.vue
+++ b/src/components/custom/ISVVideoWallDialog.vue
@@ -361,7 +361,6 @@ export default defineComponent({
                 video_wall_config.outputs[pos].rotation == 180
               ) {
                 splice_mode.value += " (180°)";
-                console.log(splice_mode.value);
               }
               // preview_rotation.value = video_wall_config.outputs[pos].rotation;
 
diff --git a/src/entities/WSProtocol.ts b/src/entities/WSProtocol.ts
index a7e897f..f3baac6 100644
--- a/src/entities/WSProtocol.ts
+++ b/src/entities/WSProtocol.ts
@@ -287,6 +287,14 @@ export namespace Protocol {
       return Commands.PROTOCOL_PREFIX + "RpcRestoreOutputBoard";
     }
 
+    public static get kOutputBoardSettingNotify() {
+      return Commands.PROTOCOL_PREFIX + "OutputBoardSettingNotify";
+    }
+
+    public static get kSwitchOutputBoardSplitState() {
+      return Commands.PROTOCOL_PREFIX + "SwitchOutputBoardSplitState";
+    }
+
     public static get kSetWindowVolume() {
       return Commands.PROTOCOL_PREFIX + "SetWindowVolume";
     }
@@ -526,6 +534,7 @@ export namespace Protocol {
       Commands.kRpcSetSystemOther,
       Commands.kRpcGetSupportResolutions,
       Commands.kRpcRestoreOutputBoard,
+      Commands.kOutputBoardSettingNotify,
       Commands.kRpcSetOutputBoardSetting,
       Commands.kRpcGetOutputBoardSetting,
       Commands.kSetWindowVolume,
@@ -1948,6 +1957,28 @@ export namespace Protocol {
     }
   }
 
+  export class OutputBoardSettingNotify extends Protocol.PacketEntity {
+    splicing = false;
+    wall_rows = 2;
+    wall_cols = 2;
+
+    constructor() {
+      super();
+      this.command = Protocol.Commands.kOutputBoardSettingNotify;
+      super.flag = PacketEntity.FLAG_NOTIFY;
+    }
+  }
+
+  export class SwitchOutputBoardSplitStateRequestEntity extends Protocol.PacketEntity {
+    timestamp = Date.now();
+
+    constructor(rcp_id?: number) {
+      super();
+      this.rpc_id = rcp_id ?? 0;
+      this.command = Protocol.Commands.kSwitchOutputBoardSplitState;
+    }
+  }
+
   export class SetWindowVolumeRequestEntity extends Protocol.PacketEntity {
     window_id: number;
     volume: number;
diff --git a/src/pages/custom/ISVTopToolBar.vue b/src/pages/custom/ISVTopToolBar.vue
index 2cd95fc..08c7709 100644
--- a/src/pages/custom/ISVTopToolBar.vue
+++ b/src/pages/custom/ISVTopToolBar.vue
@@ -2,7 +2,6 @@
   <div>
     <q-toolbar style="background-color: #3e9acd" class="shadow-2 text-white">
       <q-btn-dropdown
-        v-if="show_device_list"
         stretch
         no-caps
         flat
@@ -66,9 +65,9 @@
         flat
         stack
         :icon="/*settings*/ 'img:new_icon/system_setting.png'"
-        :label="$t('splice on')"
+        :label="$t('splice') + $t(' ') + $t(splicing_state ? 'off' : 'on')"
         class="q-mr-sm"
-        @click="$refs.system_setting_dialog.showDialog()"
+        @click="switchOutputBoardState"
       />
 
       <q-btn
@@ -445,6 +444,8 @@ export default defineComponent({
 
     const window_rect_edit_dialog: Ref<any> = ref(null);
 
+    const splicing_state = ref(false);
+
     const power_flag = ref(false);
     watch(
       () => power_flag.value,
@@ -520,20 +521,35 @@ export default defineComponent({
       }
     );
 
-    const show_device_list = ref(true);
-    onMounted(() => {
-      show_device_list.value =
-        typeof (<any>window).user_search?.hide_device_list == "undefined";
+    EventBus.getInstance().on(EventNamesDefine.NotifyMessage, (notify) => {
+      try {
+        switch (notify.packet.command) {
+          case Protocol.Commands.kOutputBoardSettingNotify: {
+            let temp = JSON.parse(
+              notify.data
+            ) as Protocol.OutputBoardSettingNotify;
+            splicing_state.value = temp?.splicing ?? false;
+          }
+        }
+      } catch (e) {
+        console.error(e);
+      }
     });
 
+    GlobalData.getInstance()
+      .getCurrentClient()
+      ?.getOutputBoardSetting()
+      ?.then((response) => {
+        splicing_state.value = response?.splicing ?? false;
+      });
     return {
       show_advanced_menu,
       plan_running,
       edge_blending_dialog,
       register_dialog,
       window_rect_edit_dialog,
-      show_device_list,
       power_flag,
+      splicing_state,
 
       async backupDB() {
         let client = GlobalData.getInstance().getCurrentClient();
@@ -797,6 +813,11 @@ export default defineComponent({
             ?.windowFullScreen(window.window_id, false);
         }
       },
+      switchOutputBoardState() {
+        GlobalData.getInstance()
+          .getCurrentClient()
+          ?.switchOutputBoardSplitState();
+      },
     };
   },
 });