fix

iOSClient/Main/CCMain.m

@@ -399,7 +399,10 @@
 
 - (BOOL)emptyDataSetShouldAllowScroll:(UIScrollView *)scrollView
 {
-    return YES;
+    if (_loadingFolder)
+        return NO;
+    else
+        return YES;
 }
 
 - (UIColor *)backgroundColorForEmptyDataSet:(UIScrollView *)scrollView