diff --git a/src/common/ClientConnection.ts b/src/common/ClientConnection.ts
index 0b3e598..f6d565f 100644
--- a/src/common/ClientConnection.ts
+++ b/src/common/ClientConnection.ts
@@ -554,7 +554,8 @@ export default class ClientConnection {
     x: number,
     y: number,
     width: number,
-    height: number
+    height: number,
+    limit: boolean = true
   ) {
     this.ws?.send(
       JSON.stringify(
@@ -563,7 +564,8 @@ export default class ClientConnection {
           x,
           y,
           width,
-          height
+          height,
+          limit
         )
       )
     );
diff --git a/src/components/AboutDialog.vue b/src/components/AboutDialog.vue
index 199c0f8..6ebf677 100644
--- a/src/components/AboutDialog.vue
+++ b/src/components/AboutDialog.vue
@@ -30,12 +30,12 @@
 
       <q-card-section style="max-height: 50vh; width: 35vw" class="scroll">
         <q-list>
-          <q-item>
+          <q-item v-if="false">
             <q-item-section>
               {{ $t("product name") }}: {{ $t("TV splicing box") }}
             </q-item-section>
           </q-item>
-          <q-item>
+          <q-item v-if="false">
             <q-item-section>
               {{ $t("copyright") }}: {{ $t("guangdong chuangxian jishu") }} LTD.
             </q-item-section>
diff --git a/src/entities/MultimediaWindowEntity.ts b/src/entities/MultimediaWindowEntity.ts
index aadfa9d..0a7491b 100644
--- a/src/entities/MultimediaWindowEntity.ts
+++ b/src/entities/MultimediaWindowEntity.ts
@@ -3,6 +3,8 @@ import { SignalSourceEntity } from "./SignalSourceEntity";
 import { StringKeyValueEntity } from "./StringKeyValueEntity";
 import { Protocol } from "./WSProtocol";
 
+import window_color_list from "../store/window_color_list.js";
+
 export class MultimediaWindowEntity extends BaseEntity {
   x: number = 0;
   y: number = 0;
@@ -45,5 +47,7 @@ export class WindowOpenNotifyEntity extends MultimediaWindowEntity {
   /** 轮询时的属性,不轮询时无效 */
   polling_window_type: string = "EWindowType::Normal";
 
-  client_color: string = "";
+  client_color: string = window_color_list.length
+    ? window_color_list[Math.round(Math.random() * window_color_list.length)]
+    : "blue";
 }
diff --git a/src/entities/WSProtocol.ts b/src/entities/WSProtocol.ts
index d62c497..daf7df9 100644
--- a/src/entities/WSProtocol.ts
+++ b/src/entities/WSProtocol.ts
@@ -628,12 +628,15 @@ export namespace Protocol {
     y: number = 0;
     width: number = 0;
     height: number = 0;
+    limit: boolean = true;
+
     constructor(
       window_id: number,
       x: number,
       y: number,
       width: number,
-      height: number
+      height: number,
+      limit: boolean = true
     ) {
       super();
       this.command = Commands.kSetWindowGeometry;
@@ -642,6 +645,7 @@ export namespace Protocol {
       this.y = y ?? 0;
       this.width = width ?? 0;
       this.height = height ?? 0;
+      this.limit = limit ?? 0;
     }
   }
 
diff --git a/src/store/index.ts b/src/store/index.ts
index 009612a..36dcb6d 100644
--- a/src/store/index.ts
+++ b/src/store/index.ts
@@ -338,10 +338,12 @@ export default store(function (/* { ssrContext } */) {
           }
           for (const window of state.windows) {
             if (window) {
-              window.client_color = window_color_list.splice(
-                Math.round(Math.random() * window_color_list.length),
-                1
-              )[0];
+              try {
+                window.client_color = window_color_list.splice(
+                  Math.round(Math.random() * window_color_list.length),
+                  1
+                )[0];
+              } catch {}
             }
           }
         }
@@ -352,11 +354,12 @@ export default store(function (/* { ssrContext } */) {
       },
       pushWindow(state: StateInterface, playload?: WindowOpenNotifyEntity) {
         if (playload) {
-          playload.client_color = window_color_list.splice(
-            Math.round(Math.random() * window_color_list.length),
-            1
-          )[0];
-
+          try {
+            playload.client_color = window_color_list.splice(
+              Math.round(Math.random() * window_color_list.length),
+              1
+            )[0];
+          } catch {}
           state.windows.push(playload);
           state.windows_sort.push(playload.uuid);
         }