优化导出时异常日志显示问题

app/src/main/java/com/datarecovery/master/utils/FileUtil.java

@@ -109,7 +109,6 @@ public class FileUtil {
         sb.append(messageHeadTxt);
         sb.append("==");
         sb.append(Arrays.toString(list.toArray()));
-        sb.append("/n");
         sb.append("==");
         return new Exception(sb.toString());
     }