diff --git a/src/main/java/com/chinaunicom/zyhy/ebtp/supplier/common/CoscoBaseEntity.java b/src/main/java/com/chinaunicom/zyhy/ebtp/supplier/common/CoscoBaseEntity.java
new file mode 100644
index 0000000..c6503ba
--- /dev/null
+++ b/src/main/java/com/chinaunicom/zyhy/ebtp/supplier/common/CoscoBaseEntity.java
@@ -0,0 +1,128 @@
+package com.chinaunicom.zyhy.ebtp.supplier.common;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import com.fasterxml.jackson.annotation.JsonInclude;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+
+import java.io.Serializable;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Entity基类
+ * 
+ * @author ruoyi
+ */
+@ApiModel(description = "实体基类")
+public class CoscoBaseEntity implements Serializable
+{
+    private static final long serialVersionUID = 1L;
+
+    /** 搜索值 */
+    @JsonIgnore
+    @ApiModelProperty(value = "搜索值")
+    private String searchValue;
+
+    /** 创建者 */
+    @ApiModelProperty(value = "创建人")
+    private String createBy;
+
+    /** 创建时间 */
+    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+    @ApiModelProperty(value = "创建时间")
+    private Date createTime;
+
+    /** 更新者 */
+    @ApiModelProperty(value = "修改人")
+    private String updateBy;
+
+    /** 更新时间 */
+    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+    @ApiModelProperty(value = "修改时间")
+    private Date updateTime;
+
+    /** 备注 */
+    @ApiModelProperty(value = "备注")
+    private String remark;
+
+    /** 请求参数 */
+    @JsonInclude(JsonInclude.Include.NON_EMPTY)
+    private Map<String, Object> params;
+
+    public String getSearchValue()
+    {
+        return searchValue;
+    }
+
+    public void setSearchValue(String searchValue)
+    {
+        this.searchValue = searchValue;
+    }
+
+    public String getCreateBy()
+    {
+        return createBy;
+    }
+
+    public void setCreateBy(String createBy)
+    {
+        this.createBy = createBy;
+    }
+
+    public Date getCreateTime()
+    {
+        return createTime;
+    }
+
+    public void setCreateTime(Date createTime)
+    {
+        this.createTime = createTime;
+    }
+
+    public String getUpdateBy()
+    {
+        return updateBy;
+    }
+
+    public void setUpdateBy(String updateBy)
+    {
+        this.updateBy = updateBy;
+    }
+
+    public Date getUpdateTime()
+    {
+        return updateTime;
+    }
+
+    public void setUpdateTime(Date updateTime)
+    {
+        this.updateTime = updateTime;
+    }
+
+    public String getRemark()
+    {
+        return remark;
+    }
+
+    public void setRemark(String remark)
+    {
+        this.remark = remark;
+    }
+
+    public Map<String, Object> getParams()
+    {
+        if (params == null)
+        {
+            params = new HashMap<>();
+        }
+        return params;
+    }
+
+    public void setParams(Map<String, Object> params)
+    {
+        this.params = params;
+    }
+}
diff --git a/src/main/java/com/chinaunicom/zyhy/ebtp/supplier/common/CoscoDateUtils.java b/src/main/java/com/chinaunicom/zyhy/ebtp/supplier/common/CoscoDateUtils.java
new file mode 100644
index 0000000..dbf8d80
--- /dev/null
+++ b/src/main/java/com/chinaunicom/zyhy/ebtp/supplier/common/CoscoDateUtils.java
@@ -0,0 +1,326 @@
+package com.chinaunicom.zyhy.ebtp.supplier.common;
+
+import org.apache.commons.lang3.time.DateFormatUtils;
+
+import java.lang.management.ManagementFactory;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.time.*;
+import java.time.format.DateTimeFormatter;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+import java.util.TimeZone;
+
+/**
+ * 时间工具类
+ *
+ * @author ruoyi
+ */
+public class CoscoDateUtils extends org.apache.commons.lang3.time.DateUtils {
+    public static String YYYY = "yyyy";
+
+    public static String DD = "dd";
+
+    public static String YYYY_MM = "yyyy-MM";
+
+    public static String YYYY_MM_DD = "yyyy-MM-dd";
+
+    public static String YYYYMMDDHHMMSS = "yyyyMMddHHmmss";
+
+    public static String YYYYMMDD="yyyyMMdd";
+
+    public static String YYYY_MM_DD_HH_MM_SS = "yyyy-MM-dd HH:mm:ss";
+    public static String YYYY_MM_DD__HH_MM_SS = "yyyy-MM-dd+HH:mm:ss";
+    private static String[] parsePatterns = {"yyyy-MM-dd", "yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd HH:mm", "yyyy-MM", "yyyy/MM/dd", "yyyy/MM/dd HH:mm:ss", "yyyy/MM/dd HH:mm", "yyyy/MM", "yyyy.MM.dd", "yyyy.MM.dd HH:mm:ss", "yyyy.MM.dd HH:mm", "yyyy.MM"};
+
+    /**
+     * 获取当前Date型日期
+     *
+     * @return Date() 当前日期
+     */
+    public static Date getNowDate() {
+        return new Date();
+    }
+
+    /**
+     * 获取当前日期, 默认格式为yyyy-MM-dd
+     *
+     * @return String
+     */
+    public static String getDate() {
+        return dateTimeNow(YYYY_MM_DD);
+    }
+
+    public static final String getTime() {
+        return dateTimeNow(YYYY_MM_DD_HH_MM_SS);
+    }
+
+    public static final String dateTimeNow() {
+        return dateTimeNow(YYYYMMDDHHMMSS);
+    }
+
+    public static final String dateTimeNow(final String format) {
+        return parseDateToStr(format, new Date());
+    }
+
+    public static final String dateTime(final Date date) {
+        return parseDateToStr(YYYY_MM_DD, date);
+    }
+
+    public static final String parseDateToStr(final String format, final Date date) {
+        return new SimpleDateFormat(format).format(date);
+    }
+
+    public static final Date dateTime(final String format, final String ts) {
+        try {
+            return new SimpleDateFormat(format).parse(ts);
+        } catch (ParseException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    /**
+     * 日期路径 即年/月/日 如2018/08/08
+     */
+    public static final String datePath() {
+        Date now = new Date();
+        return DateFormatUtils.format(now, "yyyy/MM/dd");
+    }
+
+    /**
+     * 日期路径 即年/月/日 如20180808
+     */
+    public static final String dateTime() {
+        Date now = new Date();
+        return DateFormatUtils.format(now, "yyyyMMdd");
+    }
+
+    /**
+     * 日期型字符串转化为日期 格式
+     */
+    public static Date parseDate(Object str) {
+        if (str == null) {
+            return null;
+        }
+        try {
+            return parseDate(str.toString(), parsePatterns);
+        } catch (ParseException e) {
+            return null;
+        }
+    }
+
+    /**
+     * 获取服务器启动时间
+     */
+    public static Date getServerStartDate() {
+        long time = ManagementFactory.getRuntimeMXBean().getStartTime();
+        return new Date(time);
+    }
+
+    /**
+     * 计算相差天数
+     */
+    public static int differentDaysByMillisecond(Date date1, Date date2) {
+        return Math.abs((int) ((date2.getTime() - date1.getTime()) / (1000 * 3600 * 24)));
+    }
+
+    /**
+     * 计算时间差
+     *
+     * @param endDate   最后时间
+     * @param startTime 开始时间
+     * @return 时间差（天/小时/分钟）
+     */
+    public static String timeDistance(Date endDate, Date startTime) {
+        long nd = 1000 * 24 * 60 * 60;
+        long nh = 1000 * 60 * 60;
+        long nm = 1000 * 60;
+        // long ns = 1000;
+        // 获得两个时间的毫秒时间差异
+        long diff = endDate.getTime() - startTime.getTime();
+        // 计算差多少天
+        long day = diff / nd;
+        // 计算差多少小时
+        long hour = diff % nd / nh;
+        // 计算差多少分钟
+        long min = diff % nd % nh / nm;
+        // 计算差多少秒//输出结果
+        // long sec = diff % nd % nh % nm / ns;
+        return day + "天" + hour + "小时" + min + "分钟";
+    }
+
+    /**
+     * 增加 LocalDateTime ==> Date
+     */
+    public static Date toDate(LocalDateTime temporalAccessor) {
+        ZonedDateTime zdt = temporalAccessor.atZone(ZoneId.systemDefault());
+        return Date.from(zdt.toInstant());
+    }
+
+    /**
+     * 增加 LocalDate ==> Date
+     */
+    public static Date toDate(LocalDate temporalAccessor) {
+        LocalDateTime localDateTime = LocalDateTime.of(temporalAccessor, LocalTime.of(0, 0, 0));
+        ZonedDateTime zdt = localDateTime.atZone(ZoneId.systemDefault());
+        return Date.from(zdt.toInstant());
+    }
+
+    // 默认前置时间小时数
+    private final static int defMinusHours = 12;
+
+    /**
+     * 根据前置时间获取Date
+     * 例如 minusHours = 12 为获取12小时前Date
+     */
+    public static Date backDate() {
+        return backDate(defMinusHours);
+    }
+
+    /**
+     * 根据前置时间获取Date
+     * 例如 minusHours = 12 为获取12小时前Date
+     */
+    public static Date backDate(int minusHours) {
+        // 获取当前时间
+        LocalDateTime now = LocalDateTime.now();
+        // 减去小时数
+        LocalDateTime twelveHoursAgo = now.minusHours(minusHours);
+        return Date.from(twelveHoursAgo.atZone(ZoneId.systemDefault()).toInstant());
+    }
+
+    /**
+     * 获取指定日期月份的所有日期
+     *
+     * @param date 指定日期
+     * @return 该月份的所有日期
+     */
+  /*  public static List<String> getDatesOfMonth(Date date) {
+        LocalDate localDate = date.toInstant().atZone(ZoneId.systemDefault()).toLocalDate();
+        YearMonth yearMonth = YearMonth.from(localDate);
+        int daysInMonth = yearMonth.lengthOfMonth();
+        List<String> dates = new ArrayList<>();
+        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd");
+        for (int i = 1; i <= daysInMonth; i++) {
+            LocalDate day = yearMonth.atDay(i);
+            dates.add(day.format(formatter));
+        }
+        return dates;
+    }*/
+    public static List<String> getDatesOfMonth(Date date) {
+        LocalDate localDate = date.toInstant().atZone(ZoneId.systemDefault()).toLocalDate();
+        YearMonth yearMonth = YearMonth.from(localDate);
+        // 获取每月1日
+        LocalDate firstDayOfMonth = yearMonth.atDay(1);
+        // 获取每月最后一日
+        LocalDate lastDayOfMonth = yearMonth.atEndOfMonth();
+        LocalDate currentDate = LocalDate.now(ZoneId.systemDefault());
+
+        // 月份日期集合
+        List<String> dates = new ArrayList<>();
+        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd");
+
+        LocalDate day = firstDayOfMonth;
+        // 当月份日期超过月份最后一日或大于当前日期 停止遍历
+        while (!day.isAfter(currentDate) && !day.isAfter(lastDayOfMonth)) {
+            dates.add(day.format(formatter));
+            day = day.plusDays(1);
+        }
+
+        return dates;
+    }
+
+    public static Date convertMonthStringToDate(String monthString, String format) {
+        // 解析字符串为 YearMonth 对象
+        YearMonth yearMonth = YearMonth.parse(monthString, DateTimeFormatter.ofPattern(format));
+        // 获取该月份的第一天
+        LocalDate firstDayOfMonth = yearMonth.atDay(1);
+        // 将 LocalDate 转换为 Date 对象
+        Date date = Date.from(firstDayOfMonth.atStartOfDay(ZoneId.systemDefault()).toInstant());
+        return date;
+    }
+
+    public static Date stringToDate(String date, String format) {
+        SimpleDateFormat formatter = new SimpleDateFormat(format);
+        try {
+            return formatter.parse(date);
+        } catch (ParseException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public static boolean isValidFormat(String format, String value) {
+        SimpleDateFormat sdf = new SimpleDateFormat(format);
+        sdf.setLenient(false);
+        try {
+            sdf.parse(value);
+        } catch (ParseException e) {
+            return false;
+        }
+        return true;
+    }
+
+    public static String formatDate(Date date, String format) {
+        DateTimeFormatter formatter = DateTimeFormatter.ofPattern(format);
+        LocalDateTime localDateTime = date.toInstant().atZone(ZoneId.systemDefault()).toLocalDateTime();
+        return localDateTime.format(formatter);
+    }
+
+    private static final ThreadLocal<SimpleDateFormat> inputFormatThreadLocal = ThreadLocal.withInitial(() -> {
+        SimpleDateFormat sdf = new SimpleDateFormat("EEE MMM dd HH:mm:ss zzz yyyy");
+        sdf.setTimeZone(TimeZone.getTimeZone("GMT")); // 设置时区为GMT
+        return sdf;
+    });
+
+    private static final ThreadLocal<SimpleDateFormat> outputFormatThreadLocal = ThreadLocal.withInitial(() -> {
+        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+        sdf.setTimeZone(TimeZone.getTimeZone("GMT")); // 设置时区为GMT
+        return sdf;
+    });
+
+    public static String EEEtoYYYY(String oldDate) {
+        try {
+            System.out.println("Input date string: " + oldDate); // 打印输入字符串
+            Date date = inputFormatThreadLocal.get().parse(oldDate);
+            return outputFormatThreadLocal.get().format(date);
+        } catch (ParseException e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    /**
+     * Date转为LocalDate
+     * @param date
+     * @return
+     */
+    public static LocalDate getDate(Date date) {
+        return date.toInstant().atZone(ZoneId.systemDefault()).toLocalDate();
+    }
+
+    /**
+     * 获取当前日期几天前的日期
+     *
+     * @param days 几天前
+     * @return 几天前的日期
+     */
+    public static Date getDaysBefore(Date date,int days) {
+        LocalDate currentDate = date.toInstant().atZone(ZoneId.systemDefault()).toLocalDate();
+        LocalDate daysBefore = currentDate.minusDays(days);
+        ZonedDateTime midnight = daysBefore.atStartOfDay(ZoneId.systemDefault());
+        return Date.from(midnight.toInstant());
+    }
+
+    /**
+     * 获取当前日期几月前的时间
+     */
+    public static Date getMonthsBefore(Date date,int months) {
+        LocalDateTime currentDate = date.toInstant().atZone(ZoneId.systemDefault()).toLocalDateTime();
+        LocalDateTime monthsBefore = currentDate.minusMonths(months);
+        ZoneId zoneId = ZoneId.systemDefault(); // or any specific zone, e.g., ZoneId.of("America/New_York")
+        ZonedDateTime zonedDateTime = monthsBefore.atZone(zoneId);
+        return  Date.from(zonedDateTime.toInstant());
+    }
+
+}