IOS端打开scheme协议，操作怎么无效？求解

<p><span style="color: rgb(57, 58, 52); font-family: SFMono-Regular, Menlo, Monaco, Consolas, &quot;Liberation Mono&quot;, &quot;Courier New&quot;, monospace; font-size: 15.2px; white-space: pre; background-color: rgb(246, 248, 250);"><span style="color: rgb(0, 0, 159);">通过官方文档使用</span></span>scheme打开小火箭VPN，代码如下：</p><p><span style="color: rgb(57, 58, 52); font-family: SFMono-Regular, Menlo, Monaco, Consolas, &quot;Liberation Mono&quot;, &quot;Courier New&quot;, monospace; font-size: 15.2px; white-space: pre; background-color: rgb(246, 248, 250);"><span style="color: rgb(0, 0, 159);">from</span> ascript.ios <span style="color: rgb(0, 0, 159);">import</span> system</span><span style="color: rgb(57, 58, 52); font-family: SFMono-Regular, Menlo, Monaco, Consolas, &quot;Liberation Mono&quot;, &quot;Courier New&quot;, monospace; font-size: 15.2px; white-space: pre; background-color: rgb(246, 248, 250);"><br></span></p><div style="background-color: rgb(255, 255, 254); font-family: Consolas, &quot;Courier New&quot;, monospace; font-size: 15px; line-height: 20px; white-space: pre;"><div>system.scheme_start(<span style="color: #a31515;">"shadowrocket://connect"</span>)</div><div><br></div><div>执行时打开的时ascript的界面，小火箭的scheme协议</div> <span style="color: rgb(163, 21, 21);">shadowrocket://connect</span></div><div style="background-color: rgb(255, 255, 254); font-family: Consolas, &quot;Courier New&quot;, monospace; font-size: 15px; line-height: 20px; white-space: pre;">是开启vpn的操作，我在手机浏览器输入 <span style="color: rgb(163, 21, 21);">shadowrocket://connect 是能打开的，但是通过官方文档的 </span> system.scheme_start(<span style="color: rgb(163, 21, 21);">"shadowrocket://connect"</span>) 始终无法运行开启功能。有知道原因的麻烦解答下，谢谢 </div>