diff --git a/src/main/java/cc/ryanc/halo/utils/HaloUtils.java b/src/main/java/cc/ryanc/halo/utils/HaloUtils.java
index a051afca7..aa66e1fd6 100755
--- a/src/main/java/cc/ryanc/halo/utils/HaloUtils.java
+++ b/src/main/java/cc/ryanc/halo/utils/HaloUtils.java
@@ -6,6 +6,7 @@ import cc.ryanc.halo.model.dto.HaloConst;
 import cc.ryanc.halo.model.dto.Theme;
 import cc.ryanc.halo.model.enums.BlogPropertiesEnum;
 import cc.ryanc.halo.model.enums.CommonParamsEnum;
+import cn.hutool.core.date.DateUtil;
 import cn.hutool.core.io.FileUtil;
 import cn.hutool.core.util.StrUtil;
 import com.sun.syndication.feed.rss.Channel;
@@ -29,10 +30,6 @@ import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.nio.file.attribute.BasicFileAttributeView;
 import java.nio.file.attribute.BasicFileAttributes;
-import java.text.SimpleDateFormat;
-import java.time.Instant;
-import java.time.ZoneId;
-import java.time.format.DateTimeFormatter;
 import java.util.*;
 
 /**
@@ -222,22 +219,6 @@ public class HaloUtils {
         return tpls;
     }
 
-    /**
-     * 获取当前时间
-     *
-     * @return 字符串
-     */
-    public static String getStringDate(String format) {
-        SimpleDateFormat formatter = new SimpleDateFormat(format);
-        String dateString = formatter.format(new Date());
-        return dateString;
-    }
-
-    public static String getStringDate(Date date, String format) {
-        Long unixTime = Long.parseLong(String.valueOf(date.getTime() / 1000));
-        return Instant.ofEpochSecond(unixTime).atZone(ZoneId.systemDefault()).format(DateTimeFormatter.ofPattern(format));
-    }
-
     /**
      * 导出为文件
      *
@@ -331,7 +312,7 @@ public class HaloUtils {
         String urlItem;
         String urlPath = HaloConst.OPTIONS.get(BlogPropertiesEnum.BLOG_URL.getProp()) + "/archives/";
         for (Post post : posts) {
-            urlItem = "<url><loc>" + urlPath + post.getPostUrl() + "</loc><lastmod>" + getStringDate(post.getPostDate(), "yyyy-MM-dd'T'HH:mm:ss.SSSXXX") + "</lastmod>" + "</url>";
+            urlItem = "<url><loc>" + urlPath + post.getPostUrl() + "</loc><lastmod>" + DateUtil.format(post.getPostDate(), "yyyy-MM-dd'T'HH:mm:ss.SSSXXX") + "</lastmod>" + "</url>";
             urlBody += urlItem;
         }
         return head + urlBody + "</urlset>";
diff --git a/src/main/java/cc/ryanc/halo/web/controller/admin/BackupController.java b/src/main/java/cc/ryanc/halo/web/controller/admin/BackupController.java
index 52b1bb7b0..6d97324f2 100644
--- a/src/main/java/cc/ryanc/halo/web/controller/admin/BackupController.java
+++ b/src/main/java/cc/ryanc/halo/web/controller/admin/BackupController.java
@@ -114,7 +114,7 @@ public class BackupController {
                 FileUtil.del(System.getProperties().getProperty("user.home") + "/halo/backup/databases/");
             }
             String srcPath = System.getProperties().getProperty("user.home") + "/halo/";
-            String distName = "databases_backup_" + HaloUtils.getStringDate("yyyyMMddHHmmss");
+            String distName = "databases_backup_" + DateUtil.format(DateUtil.date(), "yyyyMMddHHmmss");
             //压缩文件
             ZipUtil.zip(srcPath + "halo.mv.db", System.getProperties().getProperty("user.home") + "/halo/backup/databases/" + distName + ".zip");
             log.info("当前时间：{}，执行了数据库备份。", DateUtil.now());
@@ -137,7 +137,7 @@ public class BackupController {
             }
             File path = new File(ResourceUtils.getURL("classpath:").getPath());
             String srcPath = path.getAbsolutePath();
-            String distName = "resources_backup_" + HaloUtils.getStringDate("yyyyMMddHHmmss");
+            String distName = "resources_backup_" + DateUtil.format(DateUtil.date(), "yyyyMMddHHmmss");
             //执行打包
             ZipUtil.zip(srcPath, System.getProperties().getProperty("user.home") + "/halo/backup/resources/" + distName + ".zip");
             log.info("当前时间：{}，执行了资源文件备份。", DateUtil.now());
@@ -161,7 +161,7 @@ public class BackupController {
                 FileUtil.del(System.getProperties().getProperty("user.home") + "/halo/backup/posts/");
             }
             //打包好的文件名
-            String distName = "posts_backup_" + HaloUtils.getStringDate("yyyyMMddHHmmss");
+            String distName = "posts_backup_" + DateUtil.format(DateUtil.date(), "yyyyMMddHHmmss");
             String srcPath = System.getProperties().getProperty("user.home") + "/halo/backup/posts/" + distName;
             for (Post post : posts) {
                 HaloUtils.postToFile(post.getPostContentMd(), srcPath, post.getPostTitle() + ".md");
diff --git a/src/main/java/cc/ryanc/halo/web/controller/core/InstallController.java b/src/main/java/cc/ryanc/halo/web/controller/core/InstallController.java
index 720610272..18d97eb9d 100644
--- a/src/main/java/cc/ryanc/halo/web/controller/core/InstallController.java
+++ b/src/main/java/cc/ryanc/halo/web/controller/core/InstallController.java
@@ -7,7 +7,6 @@ import cc.ryanc.halo.model.enums.AllowCommentEnum;
 import cc.ryanc.halo.model.enums.BlogPropertiesEnum;
 import cc.ryanc.halo.model.enums.TrueFalseEnum;
 import cc.ryanc.halo.service.*;
-import cc.ryanc.halo.utils.HaloUtils;
 import cn.hutool.core.date.DateUtil;
 import cn.hutool.core.util.StrUtil;
 import cn.hutool.crypto.SecureUtil;
@@ -169,7 +168,7 @@ public class InstallController {
             optionsService.saveOption(BlogPropertiesEnum.THEME.getProp(), "anatole");
 
             //建立网站时间
-            optionsService.saveOption(BlogPropertiesEnum.BLOG_START.getProp(), HaloUtils.getStringDate("yyyy-MM-dd"));
+            optionsService.saveOption(BlogPropertiesEnum.BLOG_START.getProp(), DateUtil.format(DateUtil.date(),"yyyy-MM-dd"));
 
             //默认不配置邮件系统
             optionsService.saveOption(BlogPropertiesEnum.SMTP_EMAIL_ENABLE.getProp(), TrueFalseEnum.FALSE.getDesc());