fix bug

AIFit-Demo/MainViewController.m

@@ -136,7 +136,7 @@
     searchVC.gobackBlock = ^{
         [weakSelf.connectedDevicesButton setTitle:@"Connect Device" forState:UIControlStateNormal];
     };
-    
+    searchVC.modalPresentationStyle = UIModalPresentationFullScreen;
     [self presentViewController:searchVC animated:YES completion:nil];
 }