diff --git a/esua-epdc/epdc-module/epdc-api/epdc-api-server/src/main/java/com/elink/esua/epdc/service/impl/TopicServiceImpl.java b/esua-epdc/epdc-module/epdc-api/epdc-api-server/src/main/java/com/elink/esua/epdc/service/impl/TopicServiceImpl.java
index 083a05e14..776672f3c 100644
--- a/esua-epdc/epdc-module/epdc-api/epdc-api-server/src/main/java/com/elink/esua/epdc/service/impl/TopicServiceImpl.java
+++ b/esua-epdc/epdc-module/epdc-api/epdc-api-server/src/main/java/com/elink/esua/epdc/service/impl/TopicServiceImpl.java
@@ -2,16 +2,11 @@ package com.elink.esua.epdc.service.impl;
 
 import com.elink.esua.epdc.common.token.dto.TokenDto;
 import com.elink.esua.epdc.commons.tools.utils.Result;
-import com.elink.esua.epdc.dto.CompleteDeptDTO;
 import com.elink.esua.epdc.dto.ParentAndAllDeptDTO;
-import com.elink.esua.epdc.dto.UploadDTO;
 import com.elink.esua.epdc.dto.UploadToOssDTO;
 import com.elink.esua.epdc.dto.enums.TopicStateEnum;
 import com.elink.esua.epdc.dto.group.result.TopicAuditRecordResultDTO;
-import com.elink.esua.epdc.dto.topic.form.TopicChangeToIssueFormDTO;
-import com.elink.esua.epdc.dto.topic.form.TopicListFormDTO;
-import com.elink.esua.epdc.dto.topic.form.TopicCloseFormDTO;
-import com.elink.esua.epdc.dto.topic.form.TopicSubmitFormDTO;
+import com.elink.esua.epdc.dto.topic.form.*;
 import com.elink.esua.epdc.dto.topic.result.TopicDetailResultDTO;
 import com.elink.esua.epdc.dto.topic.result.TopicListResultDTO;
 import com.elink.esua.epdc.feign.AdminFeignClient;
@@ -47,16 +42,6 @@ public class TopicServiceImpl implements TopicService {
         if (null == userDetail) {
             return new Result().error("获取用户信息失败");
         }
-
-        // 获取该网格所有上级机构
-//        Result<CompleteDeptDTO> deptDTOResult = adminFeignClient.getCompleteDept(userDetail.getGridId());
-//        CompleteDeptDTO deptDTO = deptDTOResult.getData();
-//        formDto.setArea(deptDTO.getDistrict());
-//        formDto.setAreaId(deptDTO.getDistrictId());
-//        formDto.setStreet(deptDTO.getStreet());
-//        formDto.setStreetId(deptDTO.getStreetId());
-//        formDto.setCommunity(deptDTO.getCommunity());
-//        formDto.setCommunityId(deptDTO.getCommunityId());
         //获取所有上级机构名称和ID拼接
         Result<ParentAndAllDeptDTO> dtoResult = adminFeignClient.getParentAndAllDept(userDetail.getGridId());
         ParentAndAllDeptDTO deptDTO = dtoResult.getData();
diff --git a/esua-epdc/epdc-module/epdc-group/epdc-group-client/src/main/java/com.elink.esua.epdc/dto/topic/GroupTopicUserReadDTO.java b/esua-epdc/epdc-module/epdc-group/epdc-group-client/src/main/java/com.elink.esua.epdc/dto/topic/GroupTopicUserReadDTO.java
new file mode 100644
index 000000000..af33f0671
--- /dev/null
+++ b/esua-epdc/epdc-module/epdc-group/epdc-group-client/src/main/java/com.elink.esua.epdc/dto/topic/GroupTopicUserReadDTO.java
@@ -0,0 +1,96 @@
+/**
+ * Copyright 2018 人人开源 https://www.renren.io
+ * <p>
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * <p>
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * <p>
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.elink.esua.epdc.dto.topic;
+
+import java.io.Serializable;
+import java.util.Date;
+import lombok.Data;
+
+
+/**
+ * 社群话题用户阅读表 社群话题用户阅读表
+ *
+ * @author qu qu@elink-cn.com
+ * @since v1.0.0 2019-12-03
+ */
+@Data
+public class GroupTopicUserReadDTO implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * 主键
+     */
+	private String id;
+
+    /**
+     * 友邻社群ID
+     */
+	private String groupId;
+
+    /**
+     * 话题ID
+     */
+	private String topicId;
+
+    /**
+     * 话题发布时间
+     */
+	private Date topicSubmitTime;
+
+    /**
+     * 用户ID
+     */
+	private String userId;
+
+    /**
+     * 阅读标记 是否已读：0否；1是
+     */
+	private String readFlag;
+
+    /**
+     * 乐观锁
+     */
+	private Integer revision;
+
+    /**
+     * 创建人
+     */
+	private String createdBy;
+
+    /**
+     * 创建时间
+     */
+	private Date createdTime;
+
+    /**
+     * 更新人
+     */
+	private String updatedBy;
+
+    /**
+     * 更新时间
+     */
+	private Date updatedTime;
+
+    /**
+     * 删除标记
+     */
+	private String delFlag;
+
+}
\ No newline at end of file
diff --git a/esua-epdc/epdc-module/epdc-group/epdc-group-server/src/main/java/com.elink.esua.epdc/modules/group/service/impl/GroupServiceImpl.java b/esua-epdc/epdc-module/epdc-group/epdc-group-server/src/main/java/com.elink.esua.epdc/modules/group/service/impl/GroupServiceImpl.java
index 627b0a7aa..8161afd5b 100644
--- a/esua-epdc/epdc-module/epdc-group/epdc-group-server/src/main/java/com.elink.esua.epdc/modules/group/service/impl/GroupServiceImpl.java
+++ b/esua-epdc/epdc-module/epdc-group/epdc-group-server/src/main/java/com.elink.esua.epdc/modules/group/service/impl/GroupServiceImpl.java
@@ -32,12 +32,14 @@ import com.elink.esua.epdc.dto.enums.GroupStateEnum;
 import com.elink.esua.epdc.dto.enums.GroupUserStateEnum;
 import com.elink.esua.epdc.dto.group.form.*;
 import com.elink.esua.epdc.dto.group.result.*;
+import com.elink.esua.epdc.dto.topic.GroupTopicUserReadDTO;
 import com.elink.esua.epdc.modules.async.NewsTask;
 import com.elink.esua.epdc.modules.group.dao.GroupDao;
 import com.elink.esua.epdc.modules.group.entity.GroupEntity;
 import com.elink.esua.epdc.modules.group.entity.UserGroupEntity;
 import com.elink.esua.epdc.modules.group.service.GroupService;
 import com.elink.esua.epdc.modules.group.service.UserGroupService;
+import com.elink.esua.epdc.modules.topic.service.GroupTopicUserReadService;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
@@ -62,6 +64,9 @@ public class GroupServiceImpl extends BaseServiceImpl<GroupDao, GroupEntity> imp
     @Autowired
     private NewsTask newsTask;
 
+    @Autowired
+    private GroupTopicUserReadService groupTopicUserReadService;
+
     @Override
     public PageData<GroupManagementDTO> page(Map<String, Object> params) {
         IPage<GroupManagementDTO> page = getPage(params);
@@ -215,7 +220,15 @@ public class GroupServiceImpl extends BaseServiceImpl<GroupDao, GroupEntity> imp
 
     @Override
     public GroupDetailForMobileEndResultDTO getGroupDetailForMobileEnd(GroupDetailForMobileEndFormDTO formDto) {
-        return baseDao.selectOneOfGroupDetailForMobileEnd(formDto);
+        // 获取社群详情
+        GroupDetailForMobileEndResultDTO resultDto = baseDao.selectOneOfGroupDetailForMobileEnd(formDto);
+        // 更新用户未读标识为已读
+        GroupTopicUserReadDTO readDto = new GroupTopicUserReadDTO();
+        readDto.setGroupId(resultDto.getId());
+        readDto.setUserId(formDto.getUserId());
+        readDto.setReadFlag(NumConstant.ONE_STR);
+        groupTopicUserReadService.modifyTopicReadFlag(readDto);
+        return resultDto;
     }
 
     @Override
diff --git a/esua-epdc/epdc-module/epdc-group/epdc-group-server/src/main/java/com.elink.esua.epdc/modules/topic/controller/GroupTopicUserReadController.java b/esua-epdc/epdc-module/epdc-group/epdc-group-server/src/main/java/com.elink.esua.epdc/modules/topic/controller/GroupTopicUserReadController.java
new file mode 100644
index 000000000..54ffb90f0
--- /dev/null
+++ b/esua-epdc/epdc-module/epdc-group/epdc-group-server/src/main/java/com.elink.esua.epdc/modules/topic/controller/GroupTopicUserReadController.java
@@ -0,0 +1,87 @@
+/**
+ * Copyright 2018 人人开源 https://www.renren.io
+ * <p>
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * <p>
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * <p>
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.elink.esua.epdc.modules.topic.controller;
+
+import com.elink.esua.epdc.commons.tools.page.PageData;
+import com.elink.esua.epdc.commons.tools.utils.ExcelUtils;
+import com.elink.esua.epdc.commons.tools.utils.Result;
+import com.elink.esua.epdc.commons.tools.validator.AssertUtils;
+import com.elink.esua.epdc.commons.tools.validator.ValidatorUtils;
+import com.elink.esua.epdc.commons.tools.validator.group.AddGroup;
+import com.elink.esua.epdc.commons.tools.validator.group.UpdateGroup;
+import com.elink.esua.epdc.commons.tools.validator.group.DefaultGroup;
+import com.elink.esua.epdc.dto.topic.GroupTopicUserReadDTO;
+import com.elink.esua.epdc.modules.topic.service.GroupTopicUserReadService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+import javax.servlet.http.HttpServletResponse;
+import java.util.List;
+import java.util.Map;
+
+
+/**
+ * 社群话题用户阅读表 社群话题用户阅读表
+ *
+ * @author qu qu@elink-cn.com
+ * @since v1.0.0 2019-12-03
+ */
+@RestController
+@RequestMapping("grouptopicuserread")
+public class GroupTopicUserReadController {
+    
+    @Autowired
+    private GroupTopicUserReadService groupTopicUserReadService;
+
+    @GetMapping("page")
+    public Result<PageData<GroupTopicUserReadDTO>> page(@RequestParam Map<String, Object> params){
+        PageData<GroupTopicUserReadDTO> page = groupTopicUserReadService.page(params);
+        return new Result<PageData<GroupTopicUserReadDTO>>().ok(page);
+    }
+
+    @GetMapping("{id}")
+    public Result<GroupTopicUserReadDTO> get(@PathVariable("id") String id){
+        GroupTopicUserReadDTO data = groupTopicUserReadService.get(id);
+        return new Result<GroupTopicUserReadDTO>().ok(data);
+    }
+
+    @PostMapping
+    public Result save(@RequestBody GroupTopicUserReadDTO dto){
+        //效验数据
+        ValidatorUtils.validateEntity(dto, AddGroup.class, DefaultGroup.class);
+        groupTopicUserReadService.save(dto);
+        return new Result();
+    }
+
+    @PutMapping
+    public Result update(@RequestBody GroupTopicUserReadDTO dto){
+        //效验数据
+        ValidatorUtils.validateEntity(dto, UpdateGroup.class, DefaultGroup.class);
+        groupTopicUserReadService.update(dto);
+        return new Result();
+    }
+
+    @DeleteMapping
+    public Result delete(@RequestBody String[] ids){
+        //效验数据
+        AssertUtils.isArrayEmpty(ids, "id");
+        groupTopicUserReadService.delete(ids);
+        return new Result();
+    }
+
+}
\ No newline at end of file
diff --git a/esua-epdc/epdc-module/epdc-group/epdc-group-server/src/main/java/com.elink.esua.epdc/modules/topic/dao/GroupTopicUserReadDao.java b/esua-epdc/epdc-module/epdc-group/epdc-group-server/src/main/java/com.elink.esua.epdc/modules/topic/dao/GroupTopicUserReadDao.java
new file mode 100644
index 000000000..2dd7e62f6
--- /dev/null
+++ b/esua-epdc/epdc-module/epdc-group/epdc-group-server/src/main/java/com.elink.esua.epdc/modules/topic/dao/GroupTopicUserReadDao.java
@@ -0,0 +1,44 @@
+/**
+ * Copyright 2018 人人开源 https://www.renren.io
+ * <p>
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * <p>
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * <p>
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.elink.esua.epdc.modules.topic.dao;
+
+import com.elink.esua.epdc.commons.mybatis.dao.BaseDao;
+import com.elink.esua.epdc.dto.topic.GroupTopicUserReadDTO;
+import com.elink.esua.epdc.modules.topic.entity.GroupTopicUserReadEntity;
+import org.apache.ibatis.annotations.Mapper;
+
+/**
+ * 社群话题用户阅读表 社群话题用户阅读表
+ *
+ * @author qu qu@elink-cn.com
+ * @since v1.0.0 2019-12-03
+ */
+@Mapper
+public interface GroupTopicUserReadDao extends BaseDao<GroupTopicUserReadEntity> {
+
+    /**
+     *
+     * 更新话题已读未读标识
+     *
+     * @params [readDto]
+     * @return void
+     * @author liuchuang
+     * @since 2019/12/3 15:40
+     */
+    void updateTopicReadFlag(GroupTopicUserReadDTO readDto);
+}
\ No newline at end of file
diff --git a/esua-epdc/epdc-module/epdc-group/epdc-group-server/src/main/java/com.elink.esua.epdc/modules/topic/entity/GroupTopicUserReadEntity.java b/esua-epdc/epdc-module/epdc-group/epdc-group-server/src/main/java/com.elink.esua.epdc/modules/topic/entity/GroupTopicUserReadEntity.java
new file mode 100644
index 000000000..53bb39b7d
--- /dev/null
+++ b/esua-epdc/epdc-module/epdc-group/epdc-group-server/src/main/java/com.elink.esua.epdc/modules/topic/entity/GroupTopicUserReadEntity.java
@@ -0,0 +1,66 @@
+/**
+ * Copyright 2018 人人开源 https://www.renren.io
+ * <p>
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * <p>
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * <p>
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.elink.esua.epdc.modules.topic.entity;
+
+import com.baomidou.mybatisplus.annotation.TableName;
+
+import com.elink.esua.epdc.commons.mybatis.entity.BaseEpdcEntity;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+
+import java.util.Date;
+
+/**
+ * 社群话题用户阅读表 社群话题用户阅读表
+ *
+ * @author qu qu@elink-cn.com
+ * @since v1.0.0 2019-12-03
+ */
+@Data
+@EqualsAndHashCode(callSuper=false)
+@TableName("epdc_group_topic_user_read")
+public class GroupTopicUserReadEntity extends BaseEpdcEntity {
+
+	private static final long serialVersionUID = 1L;
+
+    /**
+     * 友邻社群ID
+     */
+	private String groupId;
+
+    /**
+     * 话题ID
+     */
+	private String topicId;
+
+    /**
+     * 话题发布时间
+     */
+	private Date topicSubmitTime;
+
+    /**
+     * 用户ID
+     */
+	private String userId;
+
+    /**
+     * 阅读标记 是否已读：0否；1是
+     */
+	private String readFlag;
+
+}
\ No newline at end of file
diff --git a/esua-epdc/epdc-module/epdc-group/epdc-group-server/src/main/java/com.elink.esua.epdc/modules/topic/service/GroupTopicUserReadService.java b/esua-epdc/epdc-module/epdc-group/epdc-group-server/src/main/java/com.elink.esua.epdc/modules/topic/service/GroupTopicUserReadService.java
new file mode 100644
index 000000000..139b2863a
--- /dev/null
+++ b/esua-epdc/epdc-module/epdc-group/epdc-group-server/src/main/java/com.elink.esua.epdc/modules/topic/service/GroupTopicUserReadService.java
@@ -0,0 +1,106 @@
+/**
+ * Copyright 2018 人人开源 https://www.renren.io
+ * <p>
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * <p>
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * <p>
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.elink.esua.epdc.modules.topic.service;
+
+import com.elink.esua.epdc.commons.mybatis.service.BaseService;
+import com.elink.esua.epdc.commons.tools.page.PageData;
+import com.elink.esua.epdc.dto.topic.GroupTopicUserReadDTO;
+import com.elink.esua.epdc.modules.topic.entity.GroupTopicUserReadEntity;
+
+import java.util.List;
+import java.util.Map;
+
+/**
+ * 社群话题用户阅读表 社群话题用户阅读表
+ *
+ * @author qu qu@elink-cn.com
+ * @since v1.0.0 2019-12-03
+ */
+public interface GroupTopicUserReadService extends BaseService<GroupTopicUserReadEntity> {
+
+    /**
+     * 默认分页
+     *
+     * @param params
+     * @return PageData<GroupTopicUserReadDTO>
+     * @author generator
+     * @date 2019-12-03
+     */
+    PageData<GroupTopicUserReadDTO> page(Map<String, Object> params);
+
+    /**
+     * 默认查询
+     *
+     * @param params
+     * @return java.util.List<GroupTopicUserReadDTO>
+     * @author generator
+     * @date 2019-12-03
+     */
+    List<GroupTopicUserReadDTO> list(Map<String, Object> params);
+
+    /**
+     * 单条查询
+     *
+     * @param id
+     * @return GroupTopicUserReadDTO
+     * @author generator
+     * @date 2019-12-03
+     */
+    GroupTopicUserReadDTO get(String id);
+
+    /**
+     * 默认保存
+     *
+     * @param dto
+     * @return void
+     * @author generator
+     * @date 2019-12-03
+     */
+    void save(GroupTopicUserReadDTO dto);
+
+    /**
+     * 默认更新
+     *
+     * @param dto
+     * @return void
+     * @author generator
+     * @date 2019-12-03
+     */
+    void update(GroupTopicUserReadDTO dto);
+
+    /**
+     * 批量删除
+     *
+     * @param ids
+     * @return void
+     * @author generator
+     * @date 2019-12-03
+     */
+    void delete(String[] ids);
+
+    /**
+     *
+     * 更新话题已读未读标识
+     *
+     * @params [readDto]
+     * @return void
+     * @author liuchuang
+     * @since 2019/12/3 15:40
+     */
+    void modifyTopicReadFlag(GroupTopicUserReadDTO readDto);
+}
\ No newline at end of file
diff --git a/esua-epdc/epdc-module/epdc-group/epdc-group-server/src/main/java/com.elink.esua.epdc/modules/topic/service/impl/GroupTopicUserReadServiceImpl.java b/esua-epdc/epdc-module/epdc-group/epdc-group-server/src/main/java/com.elink.esua.epdc/modules/topic/service/impl/GroupTopicUserReadServiceImpl.java
new file mode 100644
index 000000000..1f2a9e4fb
--- /dev/null
+++ b/esua-epdc/epdc-module/epdc-group/epdc-group-server/src/main/java/com.elink.esua.epdc/modules/topic/service/impl/GroupTopicUserReadServiceImpl.java
@@ -0,0 +1,106 @@
+/**
+ * Copyright 2018 人人开源 https://www.renren.io
+ * <p>
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * <p>
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * <p>
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.elink.esua.epdc.modules.topic.service.impl;
+
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.baomidou.mybatisplus.core.metadata.IPage;
+import com.elink.esua.epdc.commons.mybatis.service.impl.BaseServiceImpl;
+import com.elink.esua.epdc.commons.tools.page.PageData;
+import com.elink.esua.epdc.commons.tools.utils.ConvertUtils;
+import com.elink.esua.epdc.commons.tools.constant.FieldConstant;
+import com.elink.esua.epdc.dto.topic.GroupTopicUserReadDTO;
+import com.elink.esua.epdc.modules.topic.dao.GroupTopicUserReadDao;
+import com.elink.esua.epdc.modules.topic.entity.GroupTopicUserReadEntity;
+import com.elink.esua.epdc.modules.topic.service.GroupTopicUserReadService;
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * 社群话题用户阅读表 社群话题用户阅读表
+ *
+ * @author qu qu@elink-cn.com
+ * @since v1.0.0 2019-12-03
+ */
+@Service
+public class GroupTopicUserReadServiceImpl extends BaseServiceImpl<GroupTopicUserReadDao, GroupTopicUserReadEntity> implements GroupTopicUserReadService {
+
+    @Override
+    public PageData<GroupTopicUserReadDTO> page(Map<String, Object> params) {
+        IPage<GroupTopicUserReadEntity> page = baseDao.selectPage(
+                getPage(params, FieldConstant.CREATED_TIME, false),
+                getWrapper(params)
+        );
+        return getPageData(page, GroupTopicUserReadDTO.class);
+    }
+
+    @Override
+    public List<GroupTopicUserReadDTO> list(Map<String, Object> params) {
+        List<GroupTopicUserReadEntity> entityList = baseDao.selectList(getWrapper(params));
+
+        return ConvertUtils.sourceToTarget(entityList, GroupTopicUserReadDTO.class);
+    }
+
+    private QueryWrapper<GroupTopicUserReadEntity> getWrapper(Map<String, Object> params){
+        String id = (String)params.get(FieldConstant.ID_HUMP);
+
+        QueryWrapper<GroupTopicUserReadEntity> wrapper = new QueryWrapper<>();
+        wrapper.eq(StringUtils.isNotBlank(id), FieldConstant.ID, id);
+
+        return wrapper;
+    }
+
+    @Override
+    public GroupTopicUserReadDTO get(String id) {
+        GroupTopicUserReadEntity entity = baseDao.selectById(id);
+        return ConvertUtils.sourceToTarget(entity, GroupTopicUserReadDTO.class);
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public void save(GroupTopicUserReadDTO dto) {
+        GroupTopicUserReadEntity entity = ConvertUtils.sourceToTarget(dto, GroupTopicUserReadEntity.class);
+        insert(entity);
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public void update(GroupTopicUserReadDTO dto) {
+        GroupTopicUserReadEntity entity = ConvertUtils.sourceToTarget(dto, GroupTopicUserReadEntity.class);
+        updateById(entity);
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public void delete(String[] ids) {
+        // 逻辑删除（@TableLogic 注解）
+        baseDao.deleteBatchIds(Arrays.asList(ids));
+    }
+
+    @Override
+    @Transactional(rollbackFor = Exception.class)
+    public void modifyTopicReadFlag(GroupTopicUserReadDTO readDto) {
+        baseDao.updateTopicReadFlag(readDto);
+    }
+
+}
\ No newline at end of file
diff --git a/esua-epdc/epdc-module/epdc-group/epdc-group-server/src/main/java/com.elink.esua.epdc/modules/topic/service/impl/TopicServiceImpl.java b/esua-epdc/epdc-module/epdc-group/epdc-group-server/src/main/java/com.elink.esua.epdc/modules/topic/service/impl/TopicServiceImpl.java
index 246f52b26..ad59725ef 100644
--- a/esua-epdc/epdc-module/epdc-group/epdc-group-server/src/main/java/com.elink.esua.epdc/modules/topic/service/impl/TopicServiceImpl.java
+++ b/esua-epdc/epdc-module/epdc-group/epdc-group-server/src/main/java/com.elink.esua.epdc/modules/topic/service/impl/TopicServiceImpl.java
@@ -40,6 +40,7 @@ import com.elink.esua.epdc.dto.epdc.form.EpdcInformationFormDTO;
 import com.elink.esua.epdc.dto.events.form.EpdcEventSubmitFormDTO;
 import com.elink.esua.epdc.dto.group.GroupDTO;
 import com.elink.esua.epdc.dto.group.UserGroupDTO;
+import com.elink.esua.epdc.dto.group.result.GroupUserListResultDTO;
 import com.elink.esua.epdc.dto.group.result.TopicAuditRecordResultDTO;
 import com.elink.esua.epdc.dto.issue.IssueDTO;
 import com.elink.esua.epdc.dto.topic.TopicDTO;
@@ -58,8 +59,10 @@ import com.elink.esua.epdc.modules.feign.EventFeignClient;
 import com.elink.esua.epdc.modules.group.service.GroupService;
 import com.elink.esua.epdc.modules.group.service.UserGroupService;
 import com.elink.esua.epdc.modules.topic.dao.TopicDao;
+import com.elink.esua.epdc.modules.topic.entity.GroupTopicUserReadEntity;
 import com.elink.esua.epdc.modules.topic.entity.TopicAuditRecordEntity;
 import com.elink.esua.epdc.modules.topic.entity.TopicEntity;
+import com.elink.esua.epdc.modules.topic.service.GroupTopicUserReadService;
 import com.elink.esua.epdc.modules.topic.service.TopicAuditRecordService;
 import com.elink.esua.epdc.modules.topic.service.TopicImgService;
 import com.elink.esua.epdc.modules.topic.service.TopicService;
@@ -103,6 +106,9 @@ public class TopicServiceImpl extends BaseServiceImpl<TopicDao, TopicEntity> imp
     @Autowired
     private TopicChangeToIssueTask topicChangeToIssueTask;
 
+    @Autowired
+    private GroupTopicUserReadService groupTopicUserReadService;
+
     @Override
     public PageData<TopicDTO> page(Map<String, Object> params) {
         IPage<TopicEntity> page = baseDao.selectPage(
@@ -174,6 +180,25 @@ public class TopicServiceImpl extends BaseServiceImpl<TopicDao, TopicEntity> imp
         if (insert(entity)) {
             // 保存图片
             topicImgService.saveImages(formDto.getImages(), entity.getId(), TopicImageConstant.TYPE_IMAGE_BIZ_TOPIC);
+            // 记录社群用户未读记录
+            List<GroupUserListResultDTO> groupUsers = userGroupService.listOfUserGroup(formDto.getGroupId(), GroupUserStateEnum.GROUP_USER_STATE_EXAMINATION_PASSED.getValue());
+            List<GroupTopicUserReadEntity> readEntities = new ArrayList<>(groupUsers.size());
+            for (GroupUserListResultDTO userDto:
+                    groupUsers) {
+                if (!formDto.getUserId().equals(userDto.getUserId())) {
+                    GroupTopicUserReadEntity readEntity = new GroupTopicUserReadEntity();
+                    readEntity.setGroupId(formDto.getGroupId());
+                    readEntity.setTopicId(entity.getId());
+                    readEntity.setTopicSubmitTime(entity.getCreatedTime());
+                    readEntity.setUserId(userDto.getUserId());
+                    readEntity.setReadFlag(NumConstant.ZERO_STR);
+
+                    readEntities.add(readEntity);
+                }
+            }
+
+            groupTopicUserReadService.insertBatch(readEntities);
+
             return new Result();
         }
         return new Result().error();
diff --git a/esua-epdc/epdc-module/epdc-group/epdc-group-server/src/main/resources/mapper/topic/GroupTopicUserReadDao.xml b/esua-epdc/epdc-module/epdc-group/epdc-group-server/src/main/resources/mapper/topic/GroupTopicUserReadDao.xml
new file mode 100644
index 000000000..e3d98a954
--- /dev/null
+++ b/esua-epdc/epdc-module/epdc-group/epdc-group-server/src/main/resources/mapper/topic/GroupTopicUserReadDao.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+
+<mapper namespace="com.elink.esua.epdc.modules.topic.dao.GroupTopicUserReadDao">
+
+    <update id="updateTopicReadFlag">
+        UPDATE epdc_group_topic_user_read SET READ_FLAG = #{readFlag} WHERE GROUP_ID = #{groupId} AND USER_ID = #{userId}
+    </update>
+
+</mapper>
\ No newline at end of file