bug

public/web/sheet/sheet_common.js

@@ -42,6 +42,7 @@ var sheetCommonObj = {
         };
 
         sheet.showRowOutline(false);
+        sheet.options.allowCellOverflow = false;
         me.buildHeader(sheet, setting);
         if (rowCount > 0)
             sheet.setRowCount(rowCount);