diff --git a/yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/convert/worklog/LogInstanceConvert.java b/yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/convert/worklog/LogInstanceConvert.java
index 46fbd741..fc799c88 100644
--- a/yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/convert/worklog/LogInstanceConvert.java
+++ b/yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/convert/worklog/LogInstanceConvert.java
@@ -25,10 +25,12 @@ public interface LogInstanceConvert {
     default LogInstanceRespVO convert(LogInstanceDO logInstanceDO) {
 
         LogInstanceRespVO logInstanceRespVO = BeanUtils.toBean(logInstanceDO, LogInstanceRespVO.class);
+        if (logInstanceRespVO != null) {
 
-        logInstanceRespVO.setFormVariables(JSONObject.toJSONString(logInstanceDO.getFormVariables()));
-        logInstanceRespVO.setFileItems(JSONObject.toJSONString(logInstanceDO.getFileItems()));
-        logInstanceRespVO.setCreateTime(logInstanceDO.getCreateTime().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")));
+            logInstanceRespVO.setFormVariables(JSONObject.toJSONString(logInstanceDO.getFormVariables()));
+            logInstanceRespVO.setFileItems(JSONObject.toJSONString(logInstanceDO.getFileItems()));
+            logInstanceRespVO.setCreateTime(logInstanceDO.getCreateTime().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")));
+        }
 
         return logInstanceRespVO;
     }
diff --git a/yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/service/worklog/LogInstanceServiceImpl.java b/yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/service/worklog/LogInstanceServiceImpl.java
index 884576d2..5327a4ff 100644
--- a/yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/service/worklog/LogInstanceServiceImpl.java
+++ b/yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/service/worklog/LogInstanceServiceImpl.java
@@ -247,7 +247,7 @@ public class LogInstanceServiceImpl implements LogInstanceService {
                         String fieldStr = fieldJson.getStr("field");
                         String title = fieldJson.getStr("title");
                         String field = workLogContentJson.getStr(fieldStr);
-                        workLogContent.append(title).append(":").append(field);
+                        workLogContent.append(title).append(":").append(field).append("  ");
                     }
                 }
                 item.setWorkLogContent(workLogContent.toString());
@@ -296,8 +296,8 @@ public class LogInstanceServiceImpl implements LogInstanceService {
     @Override
     public LogInstanceRespVO setContentFun(LogInstanceRespVO logInstanceRespVO) {
 
-        if (logInstanceRespVO.getFormId() == null) {
-            return logInstanceRespVO;
+        if (logInstanceRespVO == null) {
+            return null;
         }
         //获取模板信息
         LogFormDO logFormDO = logFormService.getForm(logInstanceRespVO.getFormId());
diff --git a/yudao-module-system/yudao-module-system-biz/src/main/resources/mapper/worklog/LogInstanceMapper.xml b/yudao-module-system/yudao-module-system-biz/src/main/resources/mapper/worklog/LogInstanceMapper.xml
index f5d67ad8..8f34272b 100644
--- a/yudao-module-system/yudao-module-system-biz/src/main/resources/mapper/worklog/LogInstanceMapper.xml
+++ b/yudao-module-system/yudao-module-system-biz/src/main/resources/mapper/worklog/LogInstanceMapper.xml
@@ -106,16 +106,16 @@
     <select id="selectPageResult" resultType="cn.iocoder.yudao.module.system.controller.admin.worklog.vo.loginstance.LogInstanceRespVO">
         SELECT
         a.*,
-        e.read_status AS readStatus,
-        COUNT(b.work_log_id) AS comment,
-        COUNT(c.log_instance_id) AS readCount,
-        COUNT(d.log_instance_id) AS unreadCount
+        e.read_status as readStatus,
+        COALESCE(c.readCount, 0) as readCount,
+        COALESCE(d.unreadCount, 0) as unReadCount,
+        COALESCE(b.comment, 0) as comment
         FROM
         work_log_instance_ext as a
-        LEFT JOIN work_log_comment as b ON a.id = b.work_log_id
         LEFT JOIN work_log_read as e ON a.id = e.log_instance_id and e.read_user_id = #{userId}
-        LEFT JOIN work_log_read as c ON a.id = c.log_instance_id and c.read_status = 1
-        LEFT JOIN work_log_read as d ON a.id = d.log_instance_id and d.read_status = 0
+        LEFT JOIN (SELECT log_instance_id, COUNT(log_instance_id) AS readCount FROM work_log_read where read_status = 1 GROUP BY log_instance_id ) AS c ON a.id = c.log_instance_id
+        LEFT JOIN (SELECT log_instance_id, COUNT(log_instance_id) AS unReadCount FROM work_log_read where read_status = 0 GROUP BY log_instance_id ) AS d ON a.id = d.log_instance_id
+        LEFT JOIN (SELECT work_log_id, COUNT(work_log_id) AS comment FROM work_log_comment GROUP BY work_log_id) AS b ON a.id = b.work_log_id
         <where>
             <if test="logId != null">
                 and a.id = #{logId}
@@ -147,7 +147,7 @@
                 and a.start_user_id = #{userId}
             </if>
         </where>
-        GROUP BY a.id,e.read_status
+        GROUP BY a.id, readStatus, readCount, unReadCount, comment
         ORDER BY a.create_time DESC
     </select>
 </mapper>
\ No newline at end of file