doc: Update document. 144ea09

Author: jaywcjlove

index.html

@@ -59,7 +59,7 @@ <h1 style="border: 0;" id="devtutor-for-swiftui"><a aria-hidden="true" tabindex=
             <a target="_blank" href="https://wangchujiang.com/#/contact">Contact &#x26; Support</a>
           </p>
           <p><a target="_blank" href="https://apps.apple.com/app/devtutor/id6471227008" title="DevTutor for SwiftUI AppStore"><img alt="DevTutor for SwiftUI AppStore" src="https://tools.applemediaservices.com/api/badges/download-on-the-mac-app-store/black/en-us?size=250x83&#x26;releaseDate=1705968000" height="51">
-</a><a target="_blank" href="https://apps.apple.com/app/devtutor/id6471227008?platform=iphone" title="DevTutor for SwiftUI AppStore"><img alt="DevTutor for SwiftUI AppStore" src="https://tools.applemediaservices.com/api/badges/download-on-the-app-store/black/en-us?size=250x83" height="51"></a></p>
+</a><a target="_blank" href="https://apps.apple.com/app/devtutor/id6471227008?platform=iphone" title="DevTutor for SwiftUI AppStore"><img alt="DevTutor for SwiftUI AppStore iOS" src="https://tools.applemediaservices.com/api/badges/download-on-the-app-store/black/en-us?size=250x83" height="51"></a></p>
         </div>
         <div align="center">
           <p>minimum OS requirement: <code>macOS 14.0</code> / <code>iOS 17.0</code></p>

index.zh.html

@@ -59,7 +59,7 @@ <h1 style="border: 0;" id="devtutor---swiftui-开发辅导"><a aria-hidden="true
             <a target="_blank" href="https://wangchujiang.com/#/contact">联系&#x26;支持</a>
           </p>
           <p><a target="_blank" href="https://apps.apple.com/app/devtutor/id6471227008" title="DevTutor AppStore"><img alt="DevTutor AppStore" src="https://tools.applemediaservices.com/api/badges/download-on-the-mac-app-store/black/en-us?size=250x83&#x26;releaseDate=1705968000" height="51">
-</a><a target="_blank" href="https://apps.apple.com/app/devtutor/id6471227008?platform=iphone" title="DevTutor for SwiftUI AppStore"><img alt="DevTutor for SwiftUI AppStore" src="https://tools.applemediaservices.com/api/badges/download-on-the-app-store/black/en-us?size=250x83" height="51"></a></p>
+</a><a target="_blank" href="https://apps.apple.com/app/devtutor/id6471227008?platform=iphone" title="DevTutor for SwiftUI AppStore"><img alt="DevTutor for SwiftUI AppStore iOS" src="https://tools.applemediaservices.com/api/badges/download-on-the-app-store/black/en-us?size=250x83" height="51"></a></p>
         </div>
         <div align="center">
           <p>最低操作系统要求：<code>macOS 14.0</code> / <code>iOS 17.0</code></p>