diff --git a/beike/Installer/Views/welcome.blade.php b/beike/Installer/Views/welcome.blade.php
index a5ed1911..6a4af468 100644
--- a/beike/Installer/Views/welcome.blade.php
+++ b/beike/Installer/Views/welcome.blade.php
@@ -258,10 +258,10 @@
         var scrollHeight = div.scrollHeight;
         var scrollTop    = div.scrollTop;
         var height       = div.offsetHeight;
-        if ((scrollTop + height) == scrollHeight) {
+        if ((scrollTop + height + 1) >= scrollHeight) {
           $('.modal-footer .btn').removeAttr('disabled')
         }
       });
     })
   </script>
-@endsection
\ No newline at end of file
+@endsection