diff --git a/epmet-module/gov-project/gov-project-server/src/main/resources/mapper/MemoAttrDao.xml b/epmet-module/gov-project/gov-project-server/src/main/resources/mapper/MemoAttrDao.xml
index 72fd81c7d3..c99a280b7e 100644
--- a/epmet-module/gov-project/gov-project-server/src/main/resources/mapper/MemoAttrDao.xml
+++ b/epmet-module/gov-project/gov-project-server/src/main/resources/mapper/MemoAttrDao.xml
@@ -81,7 +81,7 @@
     </select>
 
     <select id="memoTime" resultType="java.lang.String">
-        SELECT
+        SELECT DISTINCT
             DATE_FORMAT(remind_time, '%Y-%m-%d %H:%i:%s') remindTime
         FROM
             memo_attr