diff --git a/base-system-server/src/main/java/com/health/system/server/service/impl/SysSignServiceImpl.java b/base-system-server/src/main/java/com/health/system/server/service/impl/SysSignServiceImpl.java
index 8076663..58f17d6 100644
--- a/base-system-server/src/main/java/com/health/system/server/service/impl/SysSignServiceImpl.java
+++ b/base-system-server/src/main/java/com/health/system/server/service/impl/SysSignServiceImpl.java
@@ -8,6 +8,8 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.annotation.CreatedDate;
 import org.springframework.stereotype.Service;
 
+import java.time.LocalDate;
+import java.time.ZoneId;
 import java.util.Calendar;
 import java.util.Date;
 import java.util.concurrent.TimeUnit;
@@ -29,41 +31,54 @@ public class SysSignServiceImpl implements SysSignService {
 
     @Override
     public Sign searchSignByUserId(Long userId) {
-        //获取当天的日期 是第几日
-        int today = new Date().getDate();
-        System.out.println("当天是:"+today);
-        //先从redis中获取连续签到次数
-        if (redisService.hasKey("sign:"+userId)){
-            Sign redisSign = redisService.getCacheObject("sign:" + userId);
-            redisSign.setStatus(1);
-            return redisSign;
-        }
-        //redis没有从数据库中获取
-        //查询出当前登录人的最近一条的签到记录
-        Sign sign = sysSignMapper.searchSignByUserId(userId);
 
-        //获取最近一次签到的日期 是第几日
-        int recentDay = sign.getSignTime().getDate();
-        System.out.println("最近签到是"+recentDay);
-        //判断是否已经断签了
-        if (today-recentDay!=1){
+        LocalDate today = LocalDate.now();
+        System.out.println("当天是：" + today);
+
+        // 先从 Redis 中获取连续签到次数
+        if (redisService.hasKey("sign:" + userId)) {
+            Sign redisSign = redisService.getCacheObject("sign:" + userId);
+            Date signTime = redisSign.getSignTime();
+            LocalDate redisDate = signTime.toInstant().atZone(ZoneId.systemDefault()).toLocalDate();
+
+            // 如果 Redis 缓存中的日期与当前日期相等，则认为客户当天已经签到过
+            if (redisDate.isEqual(today)) {
+                redisSign.setStatus(1);
+                return redisSign;
+            }
+        }
+
+        // 从数据库中获取最近一次签到记录
+        Sign sign = sysSignMapper.searchSignByUserId(userId);
+        Date recentTime = sign.getSignTime();
+        LocalDate recentDate = recentTime.toInstant().atZone(ZoneId.systemDefault()).toLocalDate();
+        System.out.println("最近签到是：" + recentDate);
+
+        // 判断是否已经断签
+        if (recentDate.isEqual(today)) {
+            // 今天已经签到过，只是 Redis 缓存故障导致数据丢失
+            Calendar calendar = Calendar.getInstance();
+            long expireTime = getExpireTime(calendar);
+            sign.setStatus(1);
+            redisService.setCacheObject("sign:" + userId, sign, expireTime, TimeUnit.SECONDS);
+        } else if (today.minusDays(1).isEqual(recentDate)) {
+            // 证明最近一次签到是昨天，今天目前为止不算断签，Redis 没有值也是因为数据丢失
+            Calendar calendar = Calendar.getInstance();
+            long expireTime = getExpireTime(calendar);
+            System.out.println("没有断签！！！");
+            System.out.println(sign);
+            // 没有断签，直接返回当前查询出来的签到记录
+        } else {
+            // 断签了，需要将签到次数清零，并更新数据库中的签到次数
             System.out.println("断签了！！！！");
             sign.setSignAmount(0);
-            //其次将签到次数signAmount改为0
             sysSignMapper.updateSingAmountByUserId(sign);
-            System.out.println(sign);
-            return sign;
         }
-        Calendar calendar = Calendar.getInstance();
-        // 将时间设置为第二天凌晨0点
-        long expireTime = getExpireTime(calendar);
-        redisService.setCacheObject("sign:"+userId,sign,expireTime,TimeUnit.SECONDS);
-        System.out.println("没有断签！！！");
-        System.out.println(sign);
-        //没有断签 直接返回当前查询出来的签到记录
+
         return sign;
     }
 
+
     private  long getExpireTime(Calendar calendar) {
         calendar.set(Calendar.HOUR_OF_DAY, 0);
         calendar.set(Calendar.MINUTE, 0);
@@ -75,7 +90,7 @@ public class SysSignServiceImpl implements SysSignService {
 
     @Override
     public void signByUserId(Long userId) {
-        Sign sign = this.searchSignByUserId(userId);
+        Sign sign = sysSignMapper.searchSignByUserId(userId);
         sign.setSignAmount(sign.getSignAmount()+1);
         sysSignMapper.signByUserId(sign);
         Calendar calendar = Calendar.getInstance();