upda README

apps/Android/MnnLlmChat/README.md

@@ -36,7 +36,7 @@ This is our full multimodal language model (LLM) Android app
 
 # Development
 ## Windows   
-基于`AndroidStuido` IDE进行构建:
+Using `Android Studio` IDE for building:
 + Clone the repository：
   ```shell
   git clone https://github.com/alibaba/MNN.git

apps/Android/MnnLlmChat/README_CN.md

@@ -48,17 +48,17 @@
   git clone https://github.com/alibaba/MNN.git
   ```
 + 配置Android SDK与NDK  
- ```  
+  ```shell    
   #here we use sdkmanager to install SDK/NDK tools
   sudo sdkmanager "platforms;android-35"  
   sudo sdkmanager "build-tools;33.0.1"  
   ```    
 + 编译构建
- ```  
+  ```shell    
   #仅编译debug版本
   ./gradlew assembleDebug  
   #编译且安装,需要确保安卓设备已连接
-./gradlew installDebug  
+  ./gradlew installDebug  
   ```   
 
 # Releases