调整XLSX前置服务的文本处理逻辑

- 移除了对'subtitle'字段的截断，现在将完整显示
- 在所有店铺信息后添加了分页符，优化了多页文档的布局

app/common/service/xlsx/Beforehand.php

@@ -30,9 +30,11 @@ class Beforehand
             $textRun =$section->addTextRun();
 
             $textRun->addText($v['system_store'], $fontStyle);
-            $textRun->addText('   '.mb_substr($v['subtitle'], 0, 8, 'UTF-8'), $fontStyle1);
+            $textRun->addText('   '.$v['subtitle'], $fontStyle1);
             $section->addText(mb_substr( $v['store_name'], 0, 16, 'UTF-8'), $fontStyle2);
             $section->addText($v['address'], $fontStyle3);
+            $section->addPageBreak();
+
         }
 
         $objWriter = \PhpOffice\PhpWord\IOFactory::createWriter($phpWord, 'Word2007');