diff --git a/blade-biz-common/src/main/java/org/springblade/common/utils/FileLogsUtil.java b/blade-biz-common/src/main/java/org/springblade/common/utils/FileLogsUtil.java
index 156aa5cad..c7453f07e 100644
--- a/blade-biz-common/src/main/java/org/springblade/common/utils/FileLogsUtil.java
+++ b/blade-biz-common/src/main/java/org/springblade/common/utils/FileLogsUtil.java
@@ -1,8 +1,6 @@
 package org.springblade.common.utils;
 
 
-import cn.hutool.core.date.DateUtil;
-import cn.hutool.core.io.unit.DataUnit;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springblade.common.constant.CommonConstant;
@@ -69,15 +67,15 @@ public class FileLogsUtil {
 
 	private static String makeDateString(Date date) {
 
-		StringBuffer stringBuffer = new StringBuffer();
+		StringBuilder stringBuffer = new StringBuilder();
 		Calendar calendar = Calendar.getInstance();
 		calendar.setTime(date);                    //放入Date类型数据
 		//获取年份
-		stringBuffer.append(calendar.get(Calendar.YEAR)+"/");
+		stringBuffer.append(calendar.get(Calendar.YEAR)).append("/");
 		//获取月份
-		stringBuffer.append(calendar.get(Calendar.MONTH) + 1+"/");
+		stringBuffer.append(calendar.get(Calendar.MONTH) + 1).append("/");
 		//获取日份
-		stringBuffer.append(calendar.get(Calendar.DATE)+"/");
+		stringBuffer.append(calendar.get(Calendar.DATE)).append("/");
 		return stringBuffer.toString();