update

ios/AppDelegate.mm

@@ -131,7 +131,7 @@ static NSString *const kRNConcurrentRoot = @"concurrentRoot";
 - (NSURL *)sourceURLForBridge:(RCTBridge *)bridge
 {
 //  return [[NSBundle mainBundle] URLForResource:@"main" withExtension:@"jsbundle"];
-#if DEBUGsss
+#if DEBUG
   return [[RCTBundleURLProvider sharedSettings] jsBundleURLForBundleRoot:@"index"];
 #else
   return [[NSBundle mainBundle] URLForResource:@"main" withExtension:@"jsbundle"];