diff --git a/src/main/java/com/weilab/biology/service/JobService.java b/src/main/java/com/weilab/biology/service/JobService.java
index 5264bb9..5ef616c 100644
--- a/src/main/java/com/weilab/biology/service/JobService.java
+++ b/src/main/java/com/weilab/biology/service/JobService.java
@@ -9,23 +9,19 @@ import com.weilab.biology.core.data.dto.AppConfigDto;
 import com.weilab.biology.core.data.dto.JobDto;
 import com.weilab.biology.core.data.dto.JobLessDto;
 import com.weilab.biology.core.data.enums.JobStatusEnum;
-import com.weilab.biology.core.data.po.AppConfig;
 import com.weilab.biology.core.data.po.Job;
 import com.weilab.biology.core.data.vo.result.CommonError;
 import com.weilab.biology.core.data.vo.result.Result;
 import com.weilab.biology.core.data.vo.result.error.JobError;
 import com.weilab.biology.mapper.JobMapper;
-import com.weilab.biology.util.FileUtils;
 import com.weilab.biology.util.MailUtil;
 import com.weilab.biology.util.TaskExecutorUtil;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 import org.springframework.web.multipart.MultipartFile;
 
-import java.io.IOException;
 import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
 import java.util.List;
@@ -66,7 +62,7 @@ public class JobService extends ServiceImpl<JobMapper, Job> {
             if (dataFile != null) {
                 FileUtil.writeFromStream(dataFile.getInputStream(), dataPath);
             } else if (!StrUtil.isBlank(dataStr)) {
-                FileUtils.writeStringToFile(dataPath, dataStr);
+                FileUtil.writeBytes(dataStr.getBytes(), dataPath);
             }
 
             //将jobId和dataPath参数添加至param中
diff --git a/src/main/java/com/weilab/biology/util/FileUtils.java b/src/main/java/com/weilab/biology/util/FileUtils.java
deleted file mode 100644
index 4169282..0000000
--- a/src/main/java/com/weilab/biology/util/FileUtils.java
+++ /dev/null
@@ -1,118 +0,0 @@
-package com.weilab.biology.util;
-
-import org.springframework.web.multipart.MultipartFile;
-
-import java.io.*;
-
-/**
- * 文件读取工具类
- */
-public class FileUtils {
-
-    /**
-     * MultipartFile 转换成File
-     *
-     * @param multfile 原文件类型
-     * @return File
-     */
-    public static File multipartToFile(MultipartFile multfile) {
-        File file = null;
-        try {
-            file = File.createTempFile("prefix", "_" + multfile.getOriginalFilename());
-            multfile.transferTo(file);
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
-        return file;
-    }
-
-    /**
-     * 读取文件内容，作为字符串返回
-     */
-    public static String readFileAsString(String filePath) throws IOException {
-        File file = new File(filePath);
-        if (!file.exists()) {
-            throw new FileNotFoundException(filePath);
-        }
-
-        return readFileAsString(file);
-    }
-
-    /**
-     * 读取文件内容，作为字符串返回
-     */
-    public static String readFileAsString(File file) throws IOException {
-        StringBuilder sb = new StringBuilder((int) (file.length()));
-        // 创建字节输入流
-        FileInputStream fis = new FileInputStream(file);
-        // 创建一个长度为10240的Buffer
-        byte[] bbuf = new byte[10240];
-        // 用于保存实际读取的字节数
-        int hasRead = 0;
-        while ((hasRead = fis.read(bbuf)) > 0) {
-            sb.append(new String(bbuf, 0, hasRead));
-        }
-        fis.close();
-        return sb.toString();
-    }
-
-    /**
-     * 根据文件路径读取byte[] 数组
-     */
-    public static byte[] readFileAsBytes(String filePath) throws IOException {
-        File file = new File(filePath);
-        if (!file.exists()) {
-            throw new FileNotFoundException(filePath);
-        } else {
-            return readFileAsBytes(file);
-        }
-    }
-
-    /**
-     * 根据文件读取byte[]数组
-     */
-    public static byte[] readFileAsBytes(File file) throws IOException {
-        if (file == null) {
-            throw new FileNotFoundException();
-        } else {
-            ByteArrayOutputStream bos = new ByteArrayOutputStream((int) file.length());
-            BufferedInputStream in = null;
-
-            try {
-                in = new BufferedInputStream(new FileInputStream(file));
-                short bufSize = 1024;
-                byte[] buffer = new byte[bufSize];
-                int len1;
-                while (-1 != (len1 = in.read(buffer, 0, bufSize))) {
-                    bos.write(buffer, 0, len1);
-                }
-
-                return bos.toByteArray();
-            } finally {
-                try {
-                    if (in != null) {
-                        in.close();
-                    }
-                } catch (IOException var14) {
-                    var14.printStackTrace();
-                }
-                bos.close();
-            }
-        }
-    }
-
-
-    public static void writeStringToFile(String filePath, String content) throws IOException {
-        BufferedOutputStream bufferedOutputStream = new BufferedOutputStream(new FileOutputStream(filePath));
-        bufferedOutputStream.write(content.getBytes());
-        bufferedOutputStream.flush();
-        bufferedOutputStream.close();
-    }
-
-    public static void writeByteToFile(String filePath, byte[] content) throws IOException {
-        BufferedOutputStream bufferedOutputStream = new BufferedOutputStream(new FileOutputStream(filePath));
-        bufferedOutputStream.write(content);
-        bufferedOutputStream.flush();
-        bufferedOutputStream.close();
-    }
-}
diff --git a/src/main/java/com/weilab/biology/util/MailUtil.java b/src/main/java/com/weilab/biology/util/MailUtil.java
index 5cd0324..9bbf365 100644
--- a/src/main/java/com/weilab/biology/util/MailUtil.java
+++ b/src/main/java/com/weilab/biology/util/MailUtil.java
@@ -7,9 +7,6 @@ import org.springframework.mail.SimpleMailMessage;
 import org.springframework.mail.javamail.JavaMailSenderImpl;
 import org.springframework.stereotype.Component;
 
-import java.util.HashMap;
-import java.util.Map;
-
 @Component
 @Slf4j
 public class MailUtil {