react-native ios http请求 Network request failed

[怀珠]

已在 demo/ios/demo/Info.plist 中添加

<key>NSAllowsArbitraryLoads</key>
<true/>

为何还是不行？
这是错误信息：

>TypeError: Network request failed
at fetch.umd.js:535
at JSTimers.js:231
at _callTimer (JSTimers.js:123)
at Object.callTimers (JSTimers.js:379)
at MessageQueue.__callFunction (MessageQueue.js:414)
at MessageQueue.js:113
at MessageQueue.__guard (MessageQueue.js:365)
at MessageQueue.callFunctionReturnFlushedQueue (MessageQueue.js:112)
at debuggerWorker.aca173c4.js:4
<true/>

模拟器版本为 iphone 12 ios: 14.4

请大佬霸霸指教～～～