diff --git a/en/application-dev/device/Readme-EN.md b/en/application-dev/device/Readme-EN.md
index 41f8cf0de280706eff7ae88c051d50d18630f173..c006438a34418139129e23f475d059e274ca914d 100644
--- a/en/application-dev/device/Readme-EN.md
+++ b/en/application-dev/device/Readme-EN.md
@@ -13,6 +13,6 @@
 - Vibrator
   - [Vibrator Overview](vibrator-overview.md)
   - [Vibrator Development](vibrator-guidelines.md)
-- Update Servcie
+- Update Service
   - [Sample Server Overview](sample-server-overview.md)
   - [Sample Server Development](sample-server-guidelines.md)
diff --git a/en/application-dev/napi/native-window-guidelines.md b/en/application-dev/napi/native-window-guidelines.md
index f86fdb78ed8d0c111c1c2a1eb8b80ca2de5409bf..b92ccc54234c9162dad4b35242dcf9d992e5eeec 100644
--- a/en/application-dev/napi/native-window-guidelines.md
+++ b/en/application-dev/napi/native-window-guidelines.md
@@ -56,7 +56,7 @@ The following steps describe how to use `OH_NativeXComponent` in OpenHarmony to
 3. Define the callback `OnSurfaceCreated`. During the creation of a `Surface`, the callback is used to initialize the rendering environment, for example, the `Skia` rendering environment, and write the content to be displayed to `NativeWindow`.
 
     ```c++
-    void OnSufaceCreatedCB(NativeXComponent* component, void* window) {
+    void OnSurfaceCreatedCB(NativeXComponent* component, void* window) {
         // Obtain the width and height of the native window.
         uint64_t width_ = 0, height_ = 0;
         OH_NativeXComponent_GetXComponentSize(nativeXComponent, window, &width_, &height_);
@@ -89,8 +89,8 @@ The following steps describe how to use `OH_NativeXComponent` in OpenHarmony to
         // Create Skia Canvas and write the content to the native window.
         ...
 
-        // After the write operation is complete, flush the buffer by using OH_NativeWindwo_NativeWindowFlushBuffer so that the data is displayed on the screen.
-        Regoin region{nullptr, 0};
+        // After the write operation is complete, flush the buffer by using OH_NativeWindow_NativeWindowFlushBuffer so that the data is displayed on the screen.
+        Region region{nullptr, 0};
         OH_NativeWindow_NativeWindowFlushBuffer(nativeWindow_, buffer, fenceFd, region)
     }
     ```
@@ -99,9 +99,9 @@ The following steps describe how to use `OH_NativeXComponent` in OpenHarmony to
 
     ```c++
     OH_NativeXComponent_Callback &callback_;
-    callback_->OnSurfaceCreated = OnSufaceCreatedCB;
-    callback_->OnSurfaceChanged = OnSufaceChangedCB;
-    callback_->OnSurfaceDestoryed = OnSufaceDestoryedCB;
+    callback_->OnSurfaceCreated = OnSurfaceCreatedCB;
+    callback_->OnSurfaceChanged = OnSurfaceChangedCB;
+    callback_->OnSurfaceDestoryed = OnSurfaceDestoryedCB;
     callback_->DispatchTouchEvent = DispatchTouchEventCB;
     OH_NativeXComponent_RegisterCallback(nativeXComponent, callback_)
     ```
diff --git a/zh-cn/application-dev/napi/native-window-guidelines.md b/zh-cn/application-dev/napi/native-window-guidelines.md
index e1fef217387a4473ced7b4acf328f9fd963b6b20..69299f3979c8c03c674157563aa93a7d0949524c 100644
--- a/zh-cn/application-dev/napi/native-window-guidelines.md
+++ b/zh-cn/application-dev/napi/native-window-guidelines.md
@@ -56,7 +56,7 @@ NativeWindow是`OpenHarmony`**本地平台化窗口**，包括从`Surface`构建
 3. **定义回调函数OnSurfaceCreated**。用于在`Surface`创建时，通过回调函数初始化开发者的渲染环境，例如`Skia`渲染环境。并将要显示的内容写入`NativeWindow`：
 
     ```c++
-    void OnSufaceCreatedCB(NativeXComponent* component, void* window) {
+    void OnSurfaceCreatedCB(NativeXComponent* component, void* window) {
         //获取 native window 的宽高
         uint64_t width_ = 0, height_ = 0;
         OH_NativeXComponent_GetXComponentSize(nativeXComponent, window, &width_, &height_);
@@ -89,8 +89,8 @@ NativeWindow是`OpenHarmony`**本地平台化窗口**，包括从`Surface`构建
         //创建 Skia Canvas 并将内容写入naitve window
         ...
 
-        //写入完成后，通过OH_NativeWindwo_NativeWindowFlushBuffer 提交给消费者使用，例如：显示在屏幕上
-        Regoin region{nullptr, 0};
+        //写入完成后，通过OH_NativeWindow_NativeWindowFlushBuffer 提交给消费者使用，例如：显示在屏幕上
+        Region region{nullptr, 0};
         OH_NativeWindow_NativeWindowFlushBuffer(nativeWindow_, buffer, fenceFd, region)
     }
     ```
@@ -99,9 +99,9 @@ NativeWindow是`OpenHarmony`**本地平台化窗口**，包括从`Surface`构建
 
     ```c++
     OH_NativeXComponent_Callback &callback_;
-    callback_->OnSurfaceCreated = OnSufaceCreatedCB;
-    callback_->OnSurfaceChanged = OnSufaceChangedCB;
-    callback_->OnSurfaceDestoryed = OnSufaceDestoryedCB;
+    callback_->OnSurfaceCreated = OnSurfaceCreatedCB;
+    callback_->OnSurfaceChanged = OnSurfaceChangedCB;
+    callback_->OnSurfaceDestoryed = OnSurfaceDestoryedCB;
     callback_->DispatchTouchEvent = DispatchTouchEventCB;
     OH_NativeXComponent_RegisterCallback(nativeXComponent, callback_)
     ```
diff --git a/zh-cn/device-dev/porting/porting-dayu200-on_standard-demo.md b/zh-cn/device-dev/porting/porting-dayu200-on_standard-demo.md
index d5629c54112b19d9bc6f8aa8692fa9bbd94e0435..6bdd613d31f4ec4b58aa8713a047c227b79afb05 100755
--- a/zh-cn/device-dev/porting/porting-dayu200-on_standard-demo.md
+++ b/zh-cn/device-dev/porting/porting-dayu200-on_standard-demo.md
@@ -3292,7 +3292,7 @@ root {
             busType = 0; // 0:i2c 1:spi
             busNum = 5;
             busAddr = 0x15;
-            regWidth = 1; // 1btye
+            regWidth = 1; // 1byte
         }
         sensorIdAttr :: sensorIdInfo {
             chipName = "mxc6655xa";