docs: update READMEs

Author: GoodCoder666

README.en.md

@@ -26,14 +26,14 @@ An IP address scanner and speed testing tool for the Google Translate API server
     When using this open-source software, please comply with local laws and regulations, as well as relevant Google policies. <strong>You are solely responsible for any consequences arising from illegal or non-compliant use.</strong>
 </details>
 
-Stable release download link:
+If you are using Windows or macOS, you can download the pre-built releases directly here:
 
 - [https://github.com/GoodCoder666/GoogleTranslate_IPFinder/releases](https://github.com/GoodCoder666/GoogleTranslate_IPFinder/releases)
 
-Preview release (alpha) download links:
+For Windows, we provide two versions with identical functionality but different build methods:
 
-- Windows: [https://github.com/GoodCoder666/GoogleTranslate_IPFinder/releases/download/alpha/checker-win-x64.exe](https://github.com/GoodCoder666/GoogleTranslate_IPFinder/releases/download/alpha/checker-win-x64.exe)
-- Mac OS: [https://github.com/GoodCoder666/GoogleTranslate_IPFinder/releases/download/alpha/checker-mac.zip](https://github.com/GoodCoder666/GoogleTranslate_IPFinder/releases/download/alpha/checker-mac.zip)
+- `checker-win-x64.exe`: PyInstaller build. Recommended for users who prioritize stability and compatibility.
+- `checker-win-nuitka.exe`: Nuitka build. Recommended for users who prefer a smaller file size and higher performance. **If you encounter any unknown errors with this version, please let me know in the issues and temporarily switch to the PyInstaller version until the problem is resolved.**
 
 <details>
     <summary>About the English translations</summary>

README.md

@@ -26,14 +26,14 @@
     使用此开源软件时，请您遵守当地法律法规以及 Google 的相关规定。<strong>一切违法/违规用途后果自负。</strong>
 </details>
 
-稳定版下载地址：
+若您使用 Windows 或 Mac OS 系统，可以直接在这里下载打包好的版本：
 
 - [https://github.com/GoodCoder666/GoogleTranslate_IPFinder/releases](https://github.com/GoodCoder666/GoogleTranslate_IPFinder/releases)
 
-预览版（alpha）下载地址：
+我们针对 Windows 提供了两种功能完全相同、但构建方法不同的版本：
 
-- Windows: [https://github.com/GoodCoder666/GoogleTranslate_IPFinder/releases/download/alpha/checker-win-x64.exe](https://github.com/GoodCoder666/GoogleTranslate_IPFinder/releases/download/alpha/checker-win-x64.exe)
-- Mac OS: [https://github.com/GoodCoder666/GoogleTranslate_IPFinder/releases/download/alpha/checker-mac.zip](https://github.com/GoodCoder666/GoogleTranslate_IPFinder/releases/download/alpha/checker-mac.zip)
+- `checker-win-x64.exe`: PyInstaller 构建版。适合追求稳定性和兼容性的用户。
+- `checker-win-nuitka.exe`: Nuitka 构建版。适合追求更小文件体积和更高性能的用户。**如果您使用此版本遇到未知报错，请在 issues 中告知我并在问题解决之前临时改用 PyInstaller 版。**
 
 > [!NOTE]
 >