diff --git a/servers/boe-server-all/src/main/java/com/xboe/module/course/dao/CourseTagDao.java b/servers/boe-server-all/src/main/java/com/xboe/module/course/dao/CourseTagDao.java
index e6570e48..1087c87f 100644
--- a/servers/boe-server-all/src/main/java/com/xboe/module/course/dao/CourseTagDao.java
+++ b/servers/boe-server-all/src/main/java/com/xboe/module/course/dao/CourseTagDao.java
@@ -129,7 +129,7 @@ public class CourseTagDao extends BaseDao<CourseTag> {
         // 只查询实际存在的字段
         sql.append("SELECT id, tag_name, is_public, is_hot, use_count, last_set_public_time, last_set_hot_time, deleted, sys_create_time ");
         sql.append("FROM ( ");
-        sql.append("    SELECT t.id, t.tag_name, t.is_public, t.is_hot, t.use_count, t.last_set_public_time, t.last_set_hot_time, t.deleted, t.sys_create_time,t.sys_update_time ");
+        sql.append("    SELECT t.id, t.tag_name, t.is_public, t.is_hot, t.use_count, t.last_set_public_time, t.last_set_hot_time, t.deleted, t.sys_create_time ");
         sql.append("    FROM boe_course_tag_relation r  ");
         sql.append("    INNER JOIN boe_course_tag t ON r.tag_id = t.id  ");
         sql.append("    WHERE r.deleted = 0 AND t.deleted = 0 AND t.is_public = 0  AND t.status = 0 ");
@@ -141,9 +141,9 @@ public class CourseTagDao extends BaseDao<CourseTag> {
             sql.append("    AND t.tag_name LIKE ? ");
             parameters.add("%" + tagName + "%");
         }
-        sql.append("    GROUP BY t.id, t.tag_name, t.is_public, t.is_hot, t.use_count, t.last_set_public_time, t.last_set_hot_time, t.deleted, t.sys_create_time,t.sys_update_time ");
+        sql.append("    GROUP BY t.id, t.tag_name, t.is_public, t.is_hot, t.use_count, t.last_set_public_time, t.last_set_hot_time, t.deleted, t.sys_create_time ");
         sql.append("    UNION ALL ");
-        sql.append("    SELECT id, tag_name, is_public, is_hot, use_count, last_set_public_time, last_set_hot_time, deleted, sys_create_time,sys_update_time ");
+        sql.append("    SELECT id, tag_name, is_public, is_hot, use_count, last_set_public_time, last_set_hot_time, deleted, sys_create_time ");
         sql.append("    FROM boe_course_tag  ");
         sql.append("    WHERE deleted = 0 AND is_public = 1 AND status = 0 ");
         if (StringUtils.isNotBlank(tagName)) {