diff --git a/jeecg-boot-base-core/src/main/java/org/jeecg/common/util/DateUtils.java b/jeecg-boot-base-core/src/main/java/org/jeecg/common/util/DateUtils.java
index 1ea769ec..b360bda4 100644
--- a/jeecg-boot-base-core/src/main/java/org/jeecg/common/util/DateUtils.java
+++ b/jeecg-boot-base-core/src/main/java/org/jeecg/common/util/DateUtils.java
@@ -828,4 +828,51 @@ public class DateUtils extends PropertyEditorSupport {
         return days;
     }
 
+    /**
+     *  获取开始时间和结束时间之间的全部小时信息
+     * @param beginDay
+     * @param endDay
+     * @return
+     */
+    public static List<String> getAllDayTime(String beginDay, String endDay){
+        List<String> dayTimes = new ArrayList<>();
+        try {
+            //开始日期
+            Calendar begin = Calendar.getInstance();
+            begin.setTime(DateUtils.parseDate(beginDay, "yyyy-MM-dd"));
+            //将开始日期的24个小时放入集合中
+            for (int i=0; i< 24; i++) {
+                String dayTime = beginDay;
+                if (i < 10) {
+                    dayTime+=" 0"+i;
+                } else {
+                    dayTime+=" "+i;
+                }
+                dayTime+=":00:00";
+                dayTimes.add(dayTime);
+            }
+            //结束日期
+            Calendar end = Calendar.getInstance();
+            end.setTime(DateUtils.parseDate(endDay, "yyyy-MM-dd"));
+            //判断  如果结束日期的时间在开始日期的时间之后
+            while(end.getTime().after(begin.getTime())){
+                //开始日期需要+1天
+                begin.add(Calendar.DAY_OF_MONTH, 1);
+                for (int i=0; i< 24; i++) {
+                    String dayTime = DateUtils.formatDate(begin.getTime(),"yyyy-MM-dd");
+                    if (i < 10) {
+                        dayTime+=" 0"+i;
+                    } else {
+                        dayTime+=" "+i;
+                    }
+                    dayTime+=":00:00";
+                    dayTimes.add(dayTime);
+                }
+            }
+        } catch (ParseException e) {
+            throw new RuntimeException(e);
+        }
+        return dayTimes;
+    }
+
 }
\ No newline at end of file
diff --git a/jeecg-boot-base-core/src/main/java/org/jeecg/common/util/ExportUtil.java b/jeecg-boot-base-core/src/main/java/org/jeecg/common/util/ExportUtil.java
index 1dbe6319..1d4997b4 100644
--- a/jeecg-boot-base-core/src/main/java/org/jeecg/common/util/ExportUtil.java
+++ b/jeecg-boot-base-core/src/main/java/org/jeecg/common/util/ExportUtil.java
@@ -1,8 +1,6 @@
 package org.jeecg.common.util;
 
-import cn.hutool.core.io.FileUtil;
 import cn.hutool.core.util.ObjectUtil;
-import cn.hutool.core.util.StrUtil;
 import org.apache.commons.io.FileUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.apache.poi.hssf.usermodel.HSSFWorkbook;
@@ -13,18 +11,12 @@ import org.apache.poi.ss.usermodel.Workbook;
 import org.jeecgframework.poi.excel.ExcelExportUtil;
 import org.jeecgframework.poi.excel.entity.ExportParams;
 import org.jeecgframework.poi.excel.entity.TemplateExportParams;
-import org.springframework.core.io.ClassPathResource;
-import org.springframework.core.io.DefaultResourceLoader;
-import org.springframework.core.io.Resource;
-import org.springframework.core.io.ResourceLoader;
+import org.jeecgframework.poi.excel.entity.enmus.ExcelType;
 
 import javax.servlet.http.HttpServletResponse;
 import java.io.*;
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
-import java.nio.file.Files;
-import java.nio.file.Paths;
-import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
 import java.util.Objects;
@@ -104,6 +96,29 @@ public class ExportUtil {
         }
     }
 
+    public static <T> void exportXls(HttpServletResponse response, List<Map<String, Object>> dataList, String fileName){
+        Workbook workbook = null;
+        OutputStream outputStream = null;
+        try {
+            // 设置文件名、Excel类型(xls|xlsx)
+            outputStream = ExportUtil.xls(response,fileName);
+            workbook = ExcelExportUtil.
+                    exportExcel(dataList, ExcelType.HSSF);
+            workbook.write(outputStream);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }finally {
+            try {
+                if (ObjectUtil.isNotNull(outputStream))
+                    outputStream.close();
+                if (ObjectUtil.isNotNull(workbook))
+                    workbook.close();
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+    }
+
     public static <T> void exportXls(HttpServletResponse response, Class<T> target, List<T> data){
         exportXls(response, target, data, "file.xls");
     }
diff --git a/jeecg-boot-base-core/src/main/java/org/jeecg/common/util/NumberFormatUtil.java b/jeecg-boot-base-core/src/main/java/org/jeecg/common/util/NumberFormatUtil.java
index 94b60649..f66776f4 100644
--- a/jeecg-boot-base-core/src/main/java/org/jeecg/common/util/NumberFormatUtil.java
+++ b/jeecg-boot-base-core/src/main/java/org/jeecg/common/util/NumberFormatUtil.java
@@ -80,6 +80,9 @@ public class NumberFormatUtil {
 
     //总数字个数是6位的数
     public static String numberSixLen(String number) {
+        if (StringUtils.isBlank(number)) {
+            return number;
+        }
         String value = "";
         if (number.equalsIgnoreCase("nan")) {
             value = number;