diff --git a/lib/zin/wg/gantt/js/v1.js b/lib/zin/wg/gantt/js/v1.js
index d40a2f412f..e901a8139a 100644
--- a/lib/zin/wg/gantt/js/v1.js
+++ b/lib/zin/wg/gantt/js/v1.js
@@ -68,4 +68,12 @@ function drawGanttToCanvas(exportType, successCallback, errorCallback)
         width: ganttWidth + 93
     });
     $ganttView.css('height', ganttHeight);
+
+    gantt.render();
+    $ganttView.find('.gantt_grid_scale').height(ganttHeadHeight);
+    $ganttView.find('.gantt_task_scale').height(ganttHeadHeight);
+    $ganttView.find('.gantt_task_scale').find('.gantt_scale_line').height(ganttHeadHeight / 2);
+    $ganttView.find('.gantt_task_scale').find('.gantt_scale_line .gantt_scale_cell').height(ganttHeadHeight / 2);
+    $ganttView.find('.gantt_layout.gantt_layout_y.gantt_layout_cell_border_right').width($ganttDridData.width());
+    $ganttView.find('.gantt_layout.gantt_layout_y.gantt_layout_cell_border_right > .grid_cell').width($ganttDridData.width());
 }