我有一个反应原生的项目 . 当我在mac终端上运行react-native run-ios时，我收到此错误：[在此处输入图像描述] [1]我正在运行：react-native-cli：2.0.1 react-native：0.55.4节点8.12.0 nom 6.4.1
错误：捆绑失败：NotFoundError：在任何根目录中找不到条目文件index.js：[“/ Users / ========= / my-app”]
at DependencyGraph.getAbsolutePath (/Users/=========/my-app/node_modules/metro/src/node-haste/DependencyGraph.js:317:11)
at /Users/=========/my-app/node_modules/metro/src/DeltaBundler/DeltaCalculator.js:280:416
at Generator.next (<anonymous>)
at step (/Users/=========/my-app/node_modules/metro/src/DeltaBundler/DeltaCalculator.js:11:445)
at /Users/==========/my-app/node_modules/metro/src/DeltaBundler/DeltaCalculator.js:11:605
at <anonymous>
at process._tickCallback (internal/process/next_tick.js:189:7)
BUNDLE [ios，dev] ./index.js░░░░░░░░░░░░░░░░0.0％（0/1），失败 .