diff --git a/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/embedding/ohos/KeyEventHandler.ets b/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/embedding/ohos/KeyEventHandler.ets
index 58133fd461d8669580f47c2358ae33739957c70d..5fd76b3d62429eebe9345305e7b59f95f8abb0ec 100644
--- a/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/embedding/ohos/KeyEventHandler.ets
+++ b/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/embedding/ohos/KeyEventHandler.ets
@@ -21,11 +21,20 @@ import { KeyCode } from "@kit.InputKit";
 
 const TAG = "KeyEventHandler";
 
+// 组合键
+const COMBINATION_KEYS = [
+  KeyCode.KEYCODE_CTRL_LEFT, KeyCode.KEYCODE_CTRL_RIGHT,
+  KeyCode.KEYCODE_ALT_LEFT, KeyCode.KEYCODE_ALT_RIGHT
+];
+
 export class KeyEventHandler {
   private textInputPlugin?: TextInputPlugin;
   private charMap : HashMap<number, string> = new HashMap();
   private shiftMap : HashMap<number, string> = new HashMap();
   private isShiftMode: boolean = false;
+  private isCombinationKey: boolean = false;
+  // 记录输入的keyCode，确保有down和up事件才输入字符
+  private inputMap: HashMap<number, string> = new HashMap();
 
   constructor(textInputPlugin?: TextInputPlugin) {
     this.textInputPlugin = textInputPlugin;
@@ -147,18 +156,30 @@ export class KeyEventHandler {
   handleKeyEvent(event: KeyEvent) {
     Log.i(TAG, JSON.stringify({
       "name": "handleKeyEvent",
-      "event": event
+      "event": event,
     }));
-    if (event.type == KeyType.Up) {
-      // 处理字符按键相关逻辑
-      if (this.charMap.hasKey(event.keyCode)) {
-        this.textInputPlugin?.getEditingState().handleInsertTextEvent(this.getCharByEvent(event))
+    let text = this.getCharByEvent(event);
+    if (event.type == KeyType.Down) {
+      if (!this.isCombinationKey) {
+        this.isCombinationKey = COMBINATION_KEYS.findIndex((it) => it == event.keyCode) >= 0;
       }
-      // 处理非字符按键
-      if (event.keyCode == KeyCode.KEYCODE_DEL) {
-        this.textInputPlugin?.getEditingState().handleDeleteEvent(false, 0)
+      this.inputMap.set(event.keyCode, text);
+    } else if (event.type == KeyType.Up) {
+      if (COMBINATION_KEYS.findIndex((it) => it == event.keyCode) >= 0) {
+        // Ctrl/Alt 键抬起，重置状态
+        this.isCombinationKey = false;
+        return;
+      } else if (this.isCombinationKey) {
+        // Ctrl/Alt 键按下的状态，不输入字符（字母/数字/符号）
+        return;
+      }
+      // 处理字符按键相关逻辑
+      if (this.inputMap.hasKey(event.keyCode) && this.charMap.hasKey(event.keyCode)) {
+        this.inputMap.remove(event.keyCode)
+        this.textInputPlugin?.getEditingState().handleInsertTextEvent(text)
       }
     }
     this.isShiftMode = event.keyCode == KeyCode.KEYCODE_SHIFT_LEFT
+        || event.keyCode == KeyCode.KEYCODE_SHIFT_RIGHT
   }
 }
diff --git a/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/plugin/editing/ListenableEditingState.ets b/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/plugin/editing/ListenableEditingState.ets
index 351277019b2ba94b0b7cd759d33574c48b0b3198..42f1cec3c5bab24dc157117d50b849caf42138ef 100644
--- a/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/plugin/editing/ListenableEditingState.ets
+++ b/shell/platform/ohos/flutter_embedding/flutter/src/main/ets/plugin/editing/ListenableEditingState.ets
@@ -253,7 +253,12 @@ export class ListenableEditingState {
   }
 
   handleDeleteEvent(leftOrRight: boolean, length: number): void {
-    let start = this.mSelectionStartCache < this.mSelectionEndCache ? this.mSelectionStartCache : this.mSelectionEndCache;
+    if (length === 0) {
+      return;
+    }
+
+    let start =
+      this.mSelectionStartCache < this.mSelectionEndCache ? this.mSelectionStartCache : this.mSelectionEndCache;
     let end = this.mSelectionStartCache > this.mSelectionEndCache ? this.mSelectionStartCache : this.mSelectionEndCache;
 
     if (leftOrRight == false) {
@@ -261,9 +266,15 @@ export class ListenableEditingState {
       if (start == 0 && end == 0) {
         return;
       }
+
       let unicodeStart = start;
       if (start == end) {
-        unicodeStart = FlutterTextUtils.getOffsetBefore(this.mStringCache, start);
+        for (let i = 0; i < length; i++) {
+          unicodeStart = FlutterTextUtils.getOffsetBefore(this.mStringCache, unicodeStart);
+          if (unicodeStart === 0) {
+            break;
+          }
+        }
       }
       this.replace(unicodeStart, end, "", 0, 0);
       this.mSelectionStartCache = unicodeStart;
@@ -277,7 +288,12 @@ export class ListenableEditingState {
       }
       let unicodeEnd = end;
       if (start == end) {
-        unicodeEnd = FlutterTextUtils.getOffsetAfter(this.mStringCache, start);
+        for (let i = 0; i < length; i++) {
+          unicodeEnd = FlutterTextUtils.getOffsetAfter(this.mStringCache, unicodeEnd);
+          if (unicodeEnd === this.mStringCache.length) {
+            break;
+          }
+        }
       }
       this.replace(start, unicodeEnd, "", 0, 0);
       this.mSelectionEndCache = start;
diff --git a/shell/platform/ohos/ohos_touch_processor.cpp b/shell/platform/ohos/ohos_touch_processor.cpp
index 32d2ed1ef8d0f420c4c0af25ca01194e299d1923..17b715b32823346890122a73f119a4593a207b00 100644
--- a/shell/platform/ohos/ohos_touch_processor.cpp
+++ b/shell/platform/ohos/ohos_touch_processor.cpp
@@ -179,11 +179,9 @@ void OhosTouchProcessor::HandleTouchEvent(
     OH_NativeXComponent_TouchPointToolType toolType;
     OH_NativeXComponent_GetTouchPointToolType(component, 0, &toolType);
     pointerData.kind = getPointerDeviceTypeForToolType(toolType);
-    if (pointerData.kind == PointerData::DeviceKind::kTouch) {
-      if (pointerData.change == PointerData::Change::kDown ||
-          pointerData.change == PointerData::Change::kMove) {
-        pointerData.buttons = kPointerButtonTouchContact;
-      }
+    if (pointerData.change == PointerData::Change::kDown ||
+        pointerData.change == PointerData::Change::kMove) {
+      pointerData.buttons = kPointerButtonTouchContact;
     }
     pointerData.pan_x = 0.0;
     pointerData.pan_y = 0.0;
@@ -261,7 +259,7 @@ void OhosTouchProcessor::HandleMouseEvent(
     pointerData.pressure = 0.0;
     pointerData.pressure_max = 1.0;
     pointerData.pressure_min = 0.0;
-    pointerData.kind = PointerData::DeviceKind::kTouch;
+    pointerData.kind = PointerData::DeviceKind::kMouse; // kMouse支持鼠标框选文字
     pointerData.buttons = getPointerButtonFromMouse(mouseEvent.button);
     // hover support
     if (mouseEvent.button == OH_NATIVEXCOMPONENT_NONE_BUTTON && pointerData.change == PointerData::Change::kMove) {
diff --git a/shell/platform/ohos/ohos_xcomponent_adapter.cpp b/shell/platform/ohos/ohos_xcomponent_adapter.cpp
index 0d1f9360237e1adff77bf0880e2abe7519af5bca..6067b74b5d5d224e0b7a80ea4b0797325e1c2f7e 100644
--- a/shell/platform/ohos/ohos_xcomponent_adapter.cpp
+++ b/shell/platform/ohos/ohos_xcomponent_adapter.cpp
@@ -528,7 +528,8 @@ void XComponentBase::OnDispatchMouseWheelEvent(mouseWheelEvent event)
         }
         if (event.eventType == "actionUpdate") {
             OH_NativeXComponent_MouseEvent mouseEvent;
-            double scrollY = event.offsetY - g_scrollDistance;
+            // 调整鼠标滚轮滚动时，列表滑动的方向。和Windows保持一致。
+            double scrollY = g_scrollDistance - event.offsetY;
             g_scrollDistance = event.offsetY;
             // fix resize ratio
             mouseEvent.x = event.globalX / g_resizeRate;