doc: portable

README.md

@@ -87,7 +87,7 @@ We provide three methods for using this project: [Commandline](#cmd), [Portable]
 
 No need to pre-install Python environment
 
-Download and double-click to run [setup.bat](https://raw.githubusercontent.com/Byaidu/PDFMathTranslate/refs/heads/main/setup.bat)
+Download [setup.bat](https://raw.githubusercontent.com/Byaidu/PDFMathTranslate/refs/heads/main/setup.bat) and double-click to run
 
 <h3 id="gui">Method III. GUI</h3>
 

README_zh-CN.md

@@ -87,7 +87,7 @@
 
 无需预先安装 Python 环境
 
-下载并双击运行 [setup.bat](https://raw.githubusercontent.com/Byaidu/PDFMathTranslate/refs/heads/main/setup.bat)
+下载 [setup.bat](https://raw.githubusercontent.com/Byaidu/PDFMathTranslate/refs/heads/main/setup.bat) 并双击运行
 
 <h3 id="gui">方法三、图形交互界面</h3>