fix: 修正删除文件路径构建方式，使用filepath.Join确保路径正确

src/modules/crontask/processor/delete_ne_config_backup/delete_ne_config_backup.go

@@ -112,7 +112,7 @@ func (s *DeleteNeConfigBackupProcessor) Execute(data any) (any, error) {
 // deleteFile 删除本地文件
 func (s DeleteNeConfigBackupProcessor) deleteFile(neType, neId string, oldFileDate time.Time) {
 	neTypeLower := strings.ToLower(neType)
-	localPath := fmt.Sprintf("/usr/local/omc/backup/ne_config/%s/%s ", neTypeLower, neId)
+	localPath := filepath.Join("/usr/local/omc/backup/ne_config", neTypeLower, neId)
 	files, err := os.ReadDir(localPath)
 	if err != nil {
 		logger.Errorf("logger Remove ne_config File ReadDir err: %v", err.Error())