diff --git a/build-profile.json5 b/build-profile.json5
index 6eeae427..55306212 100644
--- a/build-profile.json5
+++ b/build-profile.json5
@@ -7,11 +7,11 @@
         "material": {
           "certpath": "C:\\Users\\JackLee\\.ohos\\config\\default_OpenCAX_IBQbNZG6W5V0zTmQxRPojupy-F1gTlaQ6msiMPu4JRM=.cer",
           "keyAlias": "debugKey",
-          "keyPassword": "0000001B2CD38FF95C9F1C08458296E67652F4DBA4D84D03D4468A904DEDA5C7AA6ADF19C56C0E83DAFDFE",
+          "keyPassword": "0000001B21AB330D4506E54197E39D516254A107D6F69BEC6158A58DACD97A0661F51DB303F7F7C5E83CAA",
           "profile": "C:\\Users\\JackLee\\.ohos\\config\\default_OpenCAX_IBQbNZG6W5V0zTmQxRPojupy-F1gTlaQ6msiMPu4JRM=.p7b",
           "signAlg": "SHA256withECDSA",
           "storeFile": "C:\\Users\\JackLee\\.ohos\\config\\default_OpenCAX_IBQbNZG6W5V0zTmQxRPojupy-F1gTlaQ6msiMPu4JRM=.p12",
-          "storePassword": "0000001B34A8AD5BD79AC1BDC8894626A599B5CC3A217A7F911B96A0FDBF8C7411D838809EA9B939B34EEE"
+          "storePassword": "0000001B8207D7EF59E69E28EAE5FB4C9C38A1B6F70BCB0C224D0F17811D2053BFED6A612893BB9C7C0E1B"
         }
       }
     ],
diff --git a/entry/src/main/ets/entryability/EntryAbility.ets b/entry/src/main/ets/entryability/EntryAbility.ets
index f088cbd0..8731a3f9 100644
--- a/entry/src/main/ets/entryability/EntryAbility.ets
+++ b/entry/src/main/ets/entryability/EntryAbility.ets
@@ -4,7 +4,7 @@ import { window, display, AppStorageV2, ColorMetrics } from '@kit.ArkUI';
 import { IBestInit } from "@ibestservices/ibest-ui-v2"
 import {ExtractDir,CheckExistDir,HilogSadboxFontDirFile} from "../pages/extractdir/ExtractDir"
 import { DisplayWindowInfo, InitGlobalDisplayWindowInfo,mdwInfo}from '../pages/displaywindowinfo/DispWinInfo'
-
+import {RunEnvCheck} from '../pages/runenvcheck/RunEnvCheck'
 const DOMAIN = 0x0000;
 
 export default class EntryAbility extends UIAbility {
@@ -63,6 +63,9 @@ export default class EntryAbility extends UIAbility {
         console.error(`Failed to obtain the main window. Code: ${err.code}, message: ${err.message}`);
         return;
       }
+      if(!RunEnvCheck(data)){
+        this.context.terminateSelf();
+      }
       mdwInfo.win = data;
       mdwInfo.winId =data.getWindowProperties().id;
       //moveWindowTo
@@ -99,6 +102,8 @@ export default class EntryAbility extends UIAbility {
     if (mdwInfo.win) {
       mdwInfo.win = undefined;
     }
+    let ctx =this.context.getApplicationContext()
+    ctx.eventHub.emit('MainWindowDestroy');
     // Main window is destroyed, release UI related resources
     hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onWindowStageDestroy');
   }
diff --git a/entry/src/main/ets/pages/eventhub/EventBase.ets b/entry/src/main/ets/pages/eventhub/EventBase.ets
index b8297291..5d53d8e9 100644
--- a/entry/src/main/ets/pages/eventhub/EventBase.ets
+++ b/entry/src/main/ets/pages/eventhub/EventBase.ets
@@ -2,7 +2,7 @@ import { CloseSubWindow, CreateAndShowSubWindow } from './EventSubPage';
 import { CreateXCompNode } from './XCompMgr';
 import { mdwInfo } from '../displaywindowinfo/DispWinInfo';
 import { window } from '@kit.ArkUI';
-import { common,Want } from "@kit.AbilityKit";
+import { common, StartOptions,Want } from "@kit.AbilityKit";
 import NativeOpenCAX from 'libopencax.so';
 
 import {
@@ -150,7 +150,6 @@ export function EventWin(event:TitleButton){
 
 async function EventCreateWin(): Promise<boolean>{
   let want: Want = {
-    deviceId: '',
     bundleName: 'com.example.opencax',
     abilityName: 'SubWinAbility'
   };
@@ -177,12 +176,16 @@ async function EventCreateWin(): Promise<boolean>{
         appCtx?.eventHub.off('SubWinInitialized');
       });
     });
+    //启动参
+    let options: StartOptions = {
+      withAnimation:false,
+      hideStartWindow:true
 
+    };
     // 发起启动 Ability 的请求
     console.info("Attempting to start SubWinAbility...");
-    await ctx.startAbility(want);
+    await ctx.startAbility(want,options);
     console.info("StartAbility request sent.");
-
     // --- 等待初始化完成事件 ---
     console.info("Waiting for SubWinInitialized event...");
     const initResult = await initializationPromise;
diff --git a/entry/src/main/ets/pages/runenvcheck/README.md b/entry/src/main/ets/pages/runenvcheck/README.md
new file mode 100644
index 00000000..ffd5fa40
--- /dev/null
+++ b/entry/src/main/ets/pages/runenvcheck/README.md
@@ -0,0 +1,2 @@
+软件运行环境检查<br>
+对于不支持或者未开启只有窗口的设备进行提示!<br>
\ No newline at end of file
diff --git a/entry/src/main/ets/pages/runenvcheck/RunEnvCheck.ets b/entry/src/main/ets/pages/runenvcheck/RunEnvCheck.ets
new file mode 100644
index 00000000..0006f8c6
--- /dev/null
+++ b/entry/src/main/ets/pages/runenvcheck/RunEnvCheck.ets
@@ -0,0 +1,19 @@
+import { window} from '@kit.ArkUI';
+import { display } from '@kit.ArkUI';
+import { deviceInfo } from '@kit.BasicServicesKit';
+
+export function RunEnvCheck(win:window.Window):boolean{
+  let resolve:boolean=true;
+  //获取屏幕状态,仅仅支持横屏模式.LANDSCAPE(横屏) or LANDSCAPE_INVERTED(反向横屏)
+  let orientation:number = display.getDefaultDisplaySync().orientation;
+  if(orientation!=1 && orientation!=3){
+    resolve=false;
+    //TIPS提示横屏
+  }
+  let freeWinState=win.isInFreeWindowMode();
+  if(!freeWinState){
+    resolve=false;
+    //TIPS提示开启自由窗口
+  }
+  return resolve;
+}
\ No newline at end of file
diff --git a/entry/src/main/ets/subwinability/SubWinAbility.ets b/entry/src/main/ets/subwinability/SubWinAbility.ets
index 90b923f7..50ab92fc 100644
--- a/entry/src/main/ets/subwinability/SubWinAbility.ets
+++ b/entry/src/main/ets/subwinability/SubWinAbility.ets
@@ -14,6 +14,9 @@ export default class SubWinAbility extends UIAbility {
       let winInfo=data as SubWinInfo;
       this.InitWindowParam(winInfo);
     });
+    ctx.eventHub.on('MainWindowDestroy', (data: Object) => {
+      this.context.terminateSelf();
+    });
   }
   //执行窗口参数
   InitWindowParam(winInfo:SubWinInfo){
@@ -58,7 +61,6 @@ export default class SubWinAbility extends UIAbility {
   }
 
   async onWindowStageCreate(windowStage: window.WindowStage): Promise<void> {
-    windowStage.removeStartingWindow();
     this.subWinStage=windowStage;
     this.subWin = await windowStage.getMainWindow();
     let ctx =this.context.getApplicationContext()
@@ -68,6 +70,7 @@ export default class SubWinAbility extends UIAbility {
   onWindowStageDestroy(): void {
     let ctx =this.context.getApplicationContext()
     ctx.eventHub.off('InitSubWindow');
+    ctx.eventHub.off('MainWindowDestroy');
     // Main window is destroyed, release UI related resources
     hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onWindowStageDestroy');
   }
diff --git a/entry/src/main/module.json5 b/entry/src/main/module.json5
index ccc8a432..63d7eb4c 100644
--- a/entry/src/main/module.json5
+++ b/entry/src/main/module.json5
@@ -49,17 +49,10 @@
         "description": "$string:EntryAbility_desc",
         "icon": "$media:base_opencax_logo",
         "label": "$string:EntryAbility_label",
-        "startWindowIcon": "$media:base_start_background",
+        "startWindowIcon": "$media:base_sub_background",
         "startWindowBackground": "$color:start_window_background",
         "exported": true,
-        "launchType":"standard",
-        "metadata":
-        [
-          {
-            "name":"enable.remove.starting.window",
-            "value":"true"
-          }
-        ],
+        "launchType":"multiton",
         "skills": [
           {
             "entities": [
diff --git a/entry/src/main/resources/base/media/base_sub_background.png b/entry/src/main/resources/base/media/base_sub_background.png
new file mode 100644
index 00000000..7ff5ae51
Binary files /dev/null and b/entry/src/main/resources/base/media/base_sub_background.png differ