diff --git a/pom.xml b/pom.xml
index faa6f00..bbd39da 100644
--- a/pom.xml
+++ b/pom.xml
@@ -133,11 +133,11 @@
             <version>${swagger2.version}</version>
         </dependency>
 
-        <dependency>
-            <groupId>com.amdelamar</groupId>
-            <artifactId>jhash</artifactId>
-            <version>${jhash.version}</version>
-        </dependency>
+<!--        <dependency>-->
+<!--            <groupId>com.amdelamar</groupId>-->
+<!--            <artifactId>jhash</artifactId>-->
+<!--            <version>${jhash.version}</version>-->
+<!--        </dependency>-->
 
         <dependency>
             <groupId>org.apache.poi</groupId>
diff --git a/src/main/java/com/subsidy/service/impl/SignInRecordServiceImpl.java b/src/main/java/com/subsidy/service/impl/SignInRecordServiceImpl.java
index 10bfbaa..af1c3f8 100644
--- a/src/main/java/com/subsidy/service/impl/SignInRecordServiceImpl.java
+++ b/src/main/java/com/subsidy/service/impl/SignInRecordServiceImpl.java
@@ -56,9 +56,6 @@ public class SignInRecordServiceImpl extends ServiceImpl<SignInRecordMapper, Sig
     //private RedisUtil redisUtil;
 
     @Autowired
-    private SignInRecordMapper signInRecordMapper;
-
-    @Autowired
     private ClassDictMapper classDictMapper;
 
     @Autowired
@@ -89,10 +86,10 @@ public class SignInRecordServiceImpl extends ServiceImpl<SignInRecordMapper, Sig
             //}
             //redisUtil.set(RedisPrefixConstant.SUBSIDY_SIGN_INFO_PREFIX + signInRecordDO.getMemberId() + ":classId:" + classDictDO.getId() + ":" + DateFormatUtil.format(new Date(), "yyyy-MM-dd") + ":" + System.currentTimeMillis(), null);
 
-            signInRecordMapper.delete(new QueryWrapper<SignInRecordDO>()
-            .lambda()
-            .eq(SignInRecordDO::getMemberId,signInRecordDO.getMemberId())
-            .eq(SignInRecordDO::getClassId,classDictDO.getId()));
+            this.baseMapper.delete(new QueryWrapper<SignInRecordDO>()
+                    .lambda()
+                    .eq(SignInRecordDO::getMemberId, signInRecordDO.getMemberId())
+                    .gt(SignInRecordDO::getSignInDate, LocalDate.now()));
 
             // 存储到缓存到同时保存到数据库
             SignInRecordDO sign = this.baseMapper.selectOne(new QueryWrapper<SignInRecordDO>()
@@ -138,7 +135,7 @@ public class SignInRecordServiceImpl extends ServiceImpl<SignInRecordMapper, Sig
             for (ClassMemberMappingDO classMemberMappingDO : classMemberMappingDOS) {
 
                 //签到
-                Integer signCount = signInRecordMapper.selectCount(new QueryWrapper<SignInRecordDO>()
+                Integer signCount = this.baseMapper.selectCount(new QueryWrapper<SignInRecordDO>()
                         .lambda()
                         .eq(SignInRecordDO::getMemberId, classMemberMappingDO.getMemberId())
                         .eq(SignInRecordDO::getClassId, dataViewVO.getClassId()));
diff --git a/src/main/java/com/subsidy/service/impl/VodPlayHistoryServiceImpl.java b/src/main/java/com/subsidy/service/impl/VodPlayHistoryServiceImpl.java
index a810e57..8fcb78a 100644
--- a/src/main/java/com/subsidy/service/impl/VodPlayHistoryServiceImpl.java
+++ b/src/main/java/com/subsidy/service/impl/VodPlayHistoryServiceImpl.java
@@ -366,12 +366,16 @@ public class VodPlayHistoryServiceImpl extends ServiceImpl<VodPlayHistoryMapper,
                     .eq(SignInRecordDO::getMemberId, classMemberMappingDO.getMemberId())
                     .eq(SignInRecordDO::getClassId, classId));
 
+            //确定每日最大学习时长
+            int maxLength = memberStudyLengthDO.getTotalLength()/signInRecordDOS.size()+650;
+
+
             for (int k = signInRecordDOS.size() - 1; k >= 0; k--) {
 
                 //查看当天这人已经看的视频时长
                 List<VodPlayHistoryDO> vodPlayHistoryDOS = vodPlayHistoryMapper.exPlayInfo(classMemberMappingDO.getMemberId(), String.valueOf(classId), signInRecordDOS.get(k).getSignInDate());
 
-                //查看学生一看视频时长
+                //查看学生已看视频时长
                 int totalLength = 0;
                 System.out.println("111111111111111");
                 List<VodPlayHistoryDO> vodPlayHistoryDOS1 = vodPlayHistoryMapper.selectList(new QueryWrapper<VodPlayHistoryDO>()
@@ -398,39 +402,42 @@ public class VodPlayHistoryServiceImpl extends ServiceImpl<VodPlayHistoryMapper,
                     playLength += vodPlayHistoryDOS.get(m).getPlayLength();
                 }
 
-                System.out.println("33333333333333333333");
-                if (leftLength > 0) {
-                    //随机看几个视频
-                    int playCounts = new Random().nextInt(4) + 2;
-                    System.out.println("4444444444444444");
-                    for (int i = 0; i < playCounts; i++) {
-                        VodPlayHistoryDO vodPlayHistoryDO = new VodPlayHistoryDO();
-                        Random random1 = new Random();
-                        System.out.println("55555555555555555555");
-                        int j = random1.nextInt(vodDictDOS.size());
-                        vodPlayHistoryDO.setPlayCount(1);
-                        vodPlayHistoryDO.setClassId(classId);
-                        vodPlayHistoryDO.setMemberId(classMemberMappingDO.getMemberId());
-                        int h = new Random().nextInt(vodDictDOS.get(j).getVodLength() - 10) + 1;
-                        System.out.println("666666666666666666");
-                        vodPlayHistoryDO.setPlayRecord(new Random().nextInt(h));
-                        if (leftLength - h > 0) {
-                            vodPlayHistoryDO.setPlayLength(h);
-                            playLength += h;
-                            vodPlayHistoryDO.setVodId(vodDictDOS.get(j).getId());
-                            vodPlayHistoryDO.setPlayDate(signInRecordDOS.get(k).getSignInDate().plusSeconds(playLength));
-                            leftLength = leftLength - h;
-                            vodPlayHistoryMapper.insert(vodPlayHistoryDO);
-                        } else {
-                            vodPlayHistoryDO.setPlayLength(leftLength);
-                            playLength += leftLength;
-                            vodPlayHistoryDO.setVodId(vodDictDOS.get(j).getId());
-                            vodPlayHistoryDO.setPlayDate(signInRecordDOS.get(k).getSignInDate().plusSeconds(playLength));
-                            vodPlayHistoryMapper.insert(vodPlayHistoryDO);
-                            break;
+                if (maxLength>playLength){
+                    if (leftLength > 0) {
+                        //随机看几个视频
+                        int playCounts = new Random().nextInt(4) + 2;
+                        System.out.println("4444444444444444");
+                        for (int i = 0; i < playCounts; i++) {
+
+                            VodPlayHistoryDO vodPlayHistoryDO = new VodPlayHistoryDO();
+                            Random random1 = new Random();
+                            System.out.println("55555555555555555555");
+                            int j = random1.nextInt(vodDictDOS.size());
+                            vodPlayHistoryDO.setPlayCount(1);
+                            vodPlayHistoryDO.setClassId(classId);
+                            vodPlayHistoryDO.setMemberId(classMemberMappingDO.getMemberId());
+                            int h = new Random().nextInt(vodDictDOS.get(j).getVodLength() - 10) + 1;
+                            System.out.println("666666666666666666");
+                            vodPlayHistoryDO.setPlayRecord(new Random().nextInt(h));
+                            if (leftLength - h > 0) {
+                                vodPlayHistoryDO.setPlayLength(h);
+                                playLength += h;
+                                vodPlayHistoryDO.setVodId(vodDictDOS.get(j).getId());
+                                vodPlayHistoryDO.setPlayDate(signInRecordDOS.get(k).getSignInDate().plusSeconds(playLength));
+                                leftLength = leftLength - h;
+                                vodPlayHistoryMapper.insert(vodPlayHistoryDO);
+                            } else {
+                                vodPlayHistoryDO.setPlayLength(leftLength);
+                                playLength += leftLength;
+                                vodPlayHistoryDO.setVodId(vodDictDOS.get(j).getId());
+                                vodPlayHistoryDO.setPlayDate(signInRecordDOS.get(k).getSignInDate().plusSeconds(playLength));
+                                vodPlayHistoryMapper.insert(vodPlayHistoryDO);
+                                break;
+                            }
                         }
                     }
                 }
+                System.out.println("33333333333333333333");
             }
         }
     }
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
index a62a220..37ce64a 100644
--- a/src/main/resources/application.properties
+++ b/src/main/resources/application.properties
@@ -1,7 +1,7 @@
 # 环境配置
-spring.profiles.active=dev
+spring.profiles.active=prod
 # 端口号
-spring.server.port=23457
+spring.server.port=23459
 #嵌入tomcat配置
 #和CPU数
 spring.server.acceptorThreadCount=600