Update 优化Excel导出路径

UI/CF.APP/chicken_farm/lib/core/utils/excel_export_util.dart

@@ -36,7 +36,7 @@ class ExcelExportUtil {
       fileName:
           '${BreedConfig.getName(templateKey)}_${DateTimeUtil.format(DateTime.now(), pattern: "yyyyMMddHHmmss")}',
       filePath:
-          'excels/${DateTimeUtil.format(DateTime.now(), pattern: "yyyy-MM/yyyy-MM-dd")}',
+          'ChickenExcels/${DateTimeUtil.format(DateTime.now(), pattern: "yyyy-MM/yyyy-MM-dd")}',
     );
   }
 
@@ -192,7 +192,7 @@ class ExcelExportUtil {
         const maxLevelsUp = 4; // 最多向上4级目录
 
         // 尝试向上访问最多4级目录
-        while (parentDir != null && levelsUp < maxLevelsUp) {
+        while (parentDir != null && levelsUp <= maxLevelsUp) {
           if (parentDir.parent.path != parentDir.path) {
             parentDir = parentDir.parent;
             levelsUp++;