diff --git a/attachment/scripts/ohos.py b/attachment/scripts/ohos.py
index d60c405775fcb9c163d2784360cc1b7097be03d3..acf42ab53f248de834f88d40052467505f9b7baa 100644
--- a/attachment/scripts/ohos.py
+++ b/attachment/scripts/ohos.py
@@ -298,7 +298,7 @@ def zipFiles(buildInfo, useZip2=False, args=any):
     prefixInZip = os.path.join("src", "out", outputName)
     excludes = ["obj", "exe.unstripped", "so.unstripped"]
     if IS_WINDOWS:
-        excludes.extend([".*\.ilk", ".*\.pdb"])
+        excludes.extend([r".*\.ilk", r".*\.pdb"])
     zipFileDir(fileIn, fileName, prefixInZip, excludes=excludes, useZip2=useZip2)
 
 
diff --git a/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/embedding/ohos/FlutterAbility.ets b/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/embedding/ohos/FlutterAbility.ets
index d13fd9859a57ae1231ceec489a091d3f84ec6a63..9eb08c3d5e7e1e2fddc4d4c1eb11e03aecf65282 100644
--- a/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/embedding/ohos/FlutterAbility.ets
+++ b/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/embedding/ohos/FlutterAbility.ets
@@ -319,7 +319,7 @@ export class FlutterAbility extends UIAbility implements Host {
     if (this.launchWant.parameters![FlutterAbilityLaunchConfigs.EXTRA_CACHED_ENGINE_ID] != undefined) {
       return this.launchWant.parameters![FlutterAbilityLaunchConfigs.EXTRA_CACHED_ENGINE_ID] as boolean;
     }
-    if (this.getCachedEngineId() != null) {
+    if (this.getCachedEngineId() != null && this.getCachedEngineId().length > 0) {
       // Prevent overwriting the existing state in a cached engine with restoration state.
       return false;
     }
diff --git a/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/embedding/ohos/FlutterEntry.ets b/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/embedding/ohos/FlutterEntry.ets
index 38f0192ea066838fc8578c64bd7212ccd363e3ad..de27aa398fc3dd295515049a4a431f69dd3d41be 100644
--- a/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/embedding/ohos/FlutterEntry.ets
+++ b/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/embedding/ohos/FlutterEntry.ets
@@ -152,15 +152,27 @@ export default class FlutterEntry implements Host {
   }
 
   shouldAttachEngineToAbility(): boolean {
-    return this.parameters![FlutterEntry.ARG_SHOULD_ATTACH_ENGINE_TO_ABILITY] as boolean
+    let param = this.parameters![FlutterEntry.ARG_SHOULD_ATTACH_ENGINE_TO_ABILITY];
+    if (!param) {
+      return true;
+    }
+    return param as boolean
   }
 
   getCachedEngineId(): string {
-    return this.parameters![FlutterAbilityLaunchConfigs.EXTRA_CACHED_ENGINE_ID] as string
+    let param = this.parameters![FlutterAbilityLaunchConfigs.EXTRA_CACHED_ENGINE_ID];
+    if (!param) {
+      return "";
+    }
+    return param as string
   }
 
   getCachedEngineGroupId(): string | null {
-    return this.parameters![FlutterAbilityLaunchConfigs.EXTRA_CACHED_ENGINE_GROUP_ID] as string
+    let param = this.parameters![FlutterAbilityLaunchConfigs.EXTRA_CACHED_ENGINE_GROUP_ID];
+    if (!param) {
+      return null;
+    }
+    return param as string
   }
 
   shouldDestroyEngineWithHost(): boolean {
diff --git a/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/view/FlutterView.ets b/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/view/FlutterView.ets
index c8b2fd67425f49e057dd98f78fe0623c9a08ed6d..5f5d50c849680ae09282ce3cb98ead96207a2127 100644
--- a/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/view/FlutterView.ets
+++ b/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/view/FlutterView.ets
@@ -388,16 +388,20 @@ export class FlutterView {
 
     // 根据是否全屏显示，设置标题栏高度（若全屏，则及时规避）
     if (this.checkFullScreen && (setFullScreen || this.mainWindow?.getWindowProperties().isLayoutFullScreen)) { // 全屏显示
-      this.viewportMetrics.physicalViewPaddingTop = this.systemAvoidArea?.topRect.height ?? 0;
-      this.viewportMetrics.physicalViewPaddingBottom = this.navigationAvoidArea?.bottomRect.height ?? 0;
+      this.viewportMetrics.physicalViewPaddingTop =
+        this.systemAvoidArea?.topRect.height ?? this.viewportMetrics.physicalViewPaddingTop;
+      this.viewportMetrics.physicalViewPaddingBottom =
+        this.navigationAvoidArea?.bottomRect.height ?? this.viewportMetrics.physicalViewPaddingBottom;
     } else { // 非全屏显示（保持规避效果）
       // 顶部状态栏和底部导航栏规避为0，无平滑过渡效果
       this.viewportMetrics.physicalViewPaddingTop = 0;
       this.viewportMetrics.physicalViewPaddingBottom = 0;
     }
 
-    this.viewportMetrics.physicalViewPaddingLeft = this.systemAvoidArea?.leftRect.width ?? 0;
-    this.viewportMetrics.physicalViewPaddingRight = this.systemAvoidArea?.rightRect.width ?? 0;
+    this.viewportMetrics.physicalViewPaddingLeft =
+      this.systemAvoidArea?.leftRect.width ?? this.viewportMetrics.physicalViewPaddingLeft;
+    this.viewportMetrics.physicalViewPaddingRight =
+      this.systemAvoidArea?.rightRect.width ?? this.viewportMetrics.physicalViewPaddingRight;
 
     this.onKeyboardAreaChange()
     this.onGestureAreaChange()
@@ -410,10 +414,14 @@ export class FlutterView {
 
   private onKeyboardAreaChange() {
     if (this.checkKeyboard) {
-      this.viewportMetrics.physicalViewInsetTop = this.keyboardAvoidArea?.topRect.height ?? 0
-      this.viewportMetrics.physicalViewInsetLeft = this.keyboardAvoidArea?.leftRect.width ?? 0
-      this.viewportMetrics.physicalViewInsetBottom = this.keyboardAvoidArea?.bottomRect.height ?? 0
-      this.viewportMetrics.physicalViewInsetRight = this.keyboardAvoidArea?.rightRect.width ?? 0
+      this.viewportMetrics.physicalViewInsetTop =
+        this.keyboardAvoidArea?.topRect.height ?? this.viewportMetrics.physicalViewInsetTop
+      this.viewportMetrics.physicalViewInsetLeft =
+        this.keyboardAvoidArea?.leftRect.width ?? this.viewportMetrics.physicalViewInsetLeft
+      this.viewportMetrics.physicalViewInsetBottom =
+        this.keyboardAvoidArea?.bottomRect.height ?? this.viewportMetrics.physicalViewInsetBottom
+      this.viewportMetrics.physicalViewInsetRight =
+        this.keyboardAvoidArea?.rightRect.width ?? this.viewportMetrics.physicalViewInsetRight
     } else {
       this.viewportMetrics.physicalViewInsetTop = 0
       this.viewportMetrics.physicalViewInsetLeft = 0
@@ -424,10 +432,14 @@ export class FlutterView {
 
   private onGestureAreaChange() {
     if (this.checkGesture) {
-      this.viewportMetrics.systemGestureInsetTop = this.gestureAvoidArea?.topRect.height ?? 0
-      this.viewportMetrics.systemGestureInsetLeft = this.gestureAvoidArea?.leftRect.width ?? 0
-      this.viewportMetrics.systemGestureInsetBottom = this.gestureAvoidArea?.bottomRect.height ?? 0
-      this.viewportMetrics.systemGestureInsetRight = this.gestureAvoidArea?.rightRect.width ?? 0
+      this.viewportMetrics.systemGestureInsetTop =
+        this.gestureAvoidArea?.topRect.height ?? this.viewportMetrics.systemGestureInsetTop
+      this.viewportMetrics.systemGestureInsetLeft =
+        this.gestureAvoidArea?.leftRect.width ?? this.viewportMetrics.systemGestureInsetLeft
+      this.viewportMetrics.systemGestureInsetBottom =
+        this.gestureAvoidArea?.bottomRect.height ?? this.viewportMetrics.systemGestureInsetBottom
+      this.viewportMetrics.systemGestureInsetRight =
+        this.gestureAvoidArea?.rightRect.width ?? this.viewportMetrics.systemGestureInsetRight
     } else {
       this.viewportMetrics.systemGestureInsetTop = 0
       this.viewportMetrics.systemGestureInsetLeft = 0