Merge branch 'master_after0225' into master_after0423

@@ -416,7 +416,7 @@ public class PurchaseOrderInfoController extends DefaultBaseController {
                                 formulaComponentList.add(formulaComponent);
                             }
 
-                            String latex = LatexFormulaExcelExporterUtil.convertToLatex(formulaComponentList);
+                            String latex = LatexFormulaExcelExporterUtil.convertToContractSpecLatexSingleLineFixed3(formulaComponentList);
                             if (StringUtils.isNotBlank(latex)) {
                                 LatexFormulaExcelExporterUtil.insertLatexImageToCell(workbook, sheet, latex, startRow, 4, 1, 7);
                             }