之前项目还能正常运行，可是今天再去运行时报

<code class="hljs vbnet has-numbering" style="display: block; padding: 0px; color: inherit; Box-sizing: border-Box; font-family: "Source Code Pro",monospace;font-size:undefined; white-space: pre; border-radius: 0px; word-wrap: normal; background: transparent;">could <span class="hljs-keyword" style="color: rgb(0,136); Box-sizing: border-Box;">not</span> <span class="hljs-keyword" style="color: rgb(0,136); Box-sizing: border-Box;">get</span> batchedbridge,make sure your bundle <span class="hljs-keyword" style="color: rgb(0,136); Box-sizing: border-Box;">is</span> packaged correctly</code><ul class="pre-numbering" style="Box-sizing: border-Box; position: absolute; width: 50px; top: 0px; left: 0px; margin: 0px; padding: 6px 0px 40px; border-right: 1px solid rgb(221,221,221); list-style: none; text-align: right; background-color: rgb(238,238,238);"><li style="Box-sizing: border-Box; padding: 0px 5px;">1</li></ul>

原因：

可能是你将之前安装并配置好的apk应用从手机卸载掉，然后重新安装运行，这时候的dev settings 被重置了。

解决方案：

运行react-native run-android或引入到Android Studio中运行，然后摇动手机，重新配置好IP和端口号，reload