diff --git a/hz-pm-api/src/main/java/com/hz/pm/api/meeting/manage/MeetingManage.java b/hz-pm-api/src/main/java/com/hz/pm/api/meeting/manage/MeetingManage.java
index 6a3bc39..06a0419 100644
--- a/hz-pm-api/src/main/java/com/hz/pm/api/meeting/manage/MeetingManage.java
+++ b/hz-pm-api/src/main/java/com/hz/pm/api/meeting/manage/MeetingManage.java
@@ -1149,6 +1149,10 @@ public class MeetingManage {
             if (!Boolean.TRUE.equals(meeting.getIsInnerProject())) {
                 throw ReturnException.wrap("此会议未关联项目");
             }
+            LocalDateTime now = LocalDateTime.now();
+            if (meeting.getStartTime().isAfter(now)) {
+                throw ReturnException.wrap("会议未开始");
+            }
             MeetingInnerProject mip = meetingInnerProjectService.getById(req.getMeetingProjectId());
             if (mip.getReviewResult() != null) {
                 throw ReturnException.wrap("已上传专家评审结果");
diff --git a/hz-pm-api/src/main/java/com/hz/pm/api/user/manage/SyncMhUserOrgManage.java b/hz-pm-api/src/main/java/com/hz/pm/api/user/manage/SyncMhUserOrgManage.java
index 37db6e3..6ceebef 100644
--- a/hz-pm-api/src/main/java/com/hz/pm/api/user/manage/SyncMhUserOrgManage.java
+++ b/hz-pm-api/src/main/java/com/hz/pm/api/user/manage/SyncMhUserOrgManage.java
@@ -9,6 +9,7 @@ import cn.hutool.core.util.NumberUtil;
 import cn.hutool.core.util.PhoneUtil;
 import cn.hutool.core.util.StrUtil;
 import cn.hutool.json.JSONUtil;
+import com.baomidou.mybatisplus.core.conditions.Wrapper;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import com.hz.pm.api.common.util.BizUtils;
@@ -40,6 +41,7 @@ import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Component;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.util.ArrayList;
 import java.util.List;
@@ -109,6 +111,7 @@ public class SyncMhUserOrgManage {
         }
     }
 
+    @Transactional(rollbackFor = Exception.class)
     public void syncUsers(LocalDateTime syncDateTime) {
         MhRetDTO<List<MhUserDTO>> mhRet = mhApiClient.queryUsers(syncDateTime);
         if (mhRet.isOk()) {
@@ -116,6 +119,7 @@ public class SyncMhUserOrgManage {
             if (CollUtil.isEmpty(mhUsers)) {
                 return;
             }
+            LocalDateTime now = LocalDateTime.now();
             log.info("同步用户信息：{}条", mhUsers.size());
             List<MhUnit> units = mhUnitService.list();
             Map<Long, MhUnit> unitMap = CollUtils.listToMap(units, MhUnit::getId);
@@ -148,6 +152,7 @@ public class SyncMhUserOrgManage {
                         userInfo.setMobile(mhUser.getAccount());
                     }
                     userInfo.setMhUnitId(mhUser.getMhUnitId());
+                    userInfo.setSyncTime(now);
                     savedList.add(userInfo);
                 }
                 if (!savedList.isEmpty()) {
@@ -155,6 +160,11 @@ public class SyncMhUserOrgManage {
                     userInfoService.saveOrUpdateBatch(savedList);
                 }
             }
+            if (syncDateTime == null) {
+                Wrapper<UserInfo> delQuery = Wrappers.lambdaQuery(UserInfo.class)
+                        .lt(UserInfo::getSyncTime, now.minusSeconds(1));
+                userInfoService.remove(delQuery);
+            }
         } else {
             log.error("同步用户信息失败：{}", JSONUtil.toJsonStr(mhRet));
         }
diff --git a/hz-pm-api/src/main/java/com/hz/pm/api/user/model/entity/UserInfo.java b/hz-pm-api/src/main/java/com/hz/pm/api/user/model/entity/UserInfo.java
index 21c36c3..3753e28 100644
--- a/hz-pm-api/src/main/java/com/hz/pm/api/user/model/entity/UserInfo.java
+++ b/hz-pm-api/src/main/java/com/hz/pm/api/user/model/entity/UserInfo.java
@@ -74,4 +74,9 @@ public class UserInfo implements Serializable {
     @TableField(fill = FieldFill.INSERT_UPDATE)
     private Long updateBy;
 
+    /**
+     * 最后一次更新时间
+     */
+    private LocalDateTime syncTime;
+
 }
diff --git a/hz-pm-api/src/main/java/com/hz/pm/api/user/task/SyncMhUserProperties.java b/hz-pm-api/src/main/java/com/hz/pm/api/user/task/SyncMhUserProperties.java
index 133c413..aa0b032 100644
--- a/hz-pm-api/src/main/java/com/hz/pm/api/user/task/SyncMhUserProperties.java
+++ b/hz-pm-api/src/main/java/com/hz/pm/api/user/task/SyncMhUserProperties.java
@@ -19,7 +19,7 @@ public class SyncMhUserProperties {
 
     public static final String PREFIX = "sync-mh-user";
 
-    private Integer fixedRate = 30;
+    private Integer fixedRate = 10;
 
     private Boolean open = true;
 
diff --git a/hz-pm-api/src/main/java/com/hz/pm/api/user/task/SyncMhUserTask.java b/hz-pm-api/src/main/java/com/hz/pm/api/user/task/SyncMhUserTask.java
index e2297e5..9bbd035 100644
--- a/hz-pm-api/src/main/java/com/hz/pm/api/user/task/SyncMhUserTask.java
+++ b/hz-pm-api/src/main/java/com/hz/pm/api/user/task/SyncMhUserTask.java
@@ -28,11 +28,20 @@ public class SyncMhUserTask {
     private final SyncMhUserProperties syncMhUserProperties;
     private final SyncMhUserOrgManage syncMhUserOrgManage;
 
+    private volatile Integer fullSyncDate;
+
     @Scheduled(fixedRateString = "#{syncMhUserProperties.getFixedRate()}", timeUnit = TimeUnit.MINUTES)
     public void execute() {
-        Integer fixedRate = syncMhUserProperties.getFixedRate();
-        LocalDateTime syncDateTime = LocalDateTime.now().minusMinutes(fixedRate + 5L);
-        syncMhUserOrgManage.syncUsers(syncDateTime);
+        LocalDateTime now = LocalDateTime.now();
+        LocalDateTime currSyncDateTime;
+        if (now.getHour() == 0 && (fullSyncDate == null || fullSyncDate < now.getDayOfYear())) {
+            currSyncDateTime = null;
+            fullSyncDate = now.getDayOfYear();
+        } else {
+            Integer fixedRate = syncMhUserProperties.getFixedRate();
+            currSyncDateTime = now.minusMinutes(fixedRate + 3L);
+        }
+        syncMhUserOrgManage.syncUsers(currSyncDateTime);
     }
 
 }