diff --git a/epmet-module/data-aggregator/data-aggregator-server/src/main/resources/mapper/epmetuser/CustomerStaffDao.xml b/epmet-module/data-aggregator/data-aggregator-server/src/main/resources/mapper/epmetuser/CustomerStaffDao.xml
index 3efcdfb3dc..9ac36b2509 100644
--- a/epmet-module/data-aggregator/data-aggregator-server/src/main/resources/mapper/epmetuser/CustomerStaffDao.xml
+++ b/epmet-module/data-aggregator/data-aggregator-server/src/main/resources/mapper/epmetuser/CustomerStaffDao.xml
@@ -116,16 +116,18 @@
             customer_staff
         WHERE
             del_flag = '0'
-        AND user_id IN
-        <foreach item="staffId" collection="staffIds" open="(" separator="," close=")">
-            #{staffId}
-        </foreach>
-        ORDER BY field(
-            user_id,
-            <foreach item="staffId" collection="staffIds" separator=",">
+        <if test="staffIds != null and staffIds.size() > 0">
+            AND user_id IN
+            <foreach item="staffId" collection="staffIds" open="(" separator="," close=")">
                 #{staffId}
             </foreach>
-        )
+            ORDER BY field(
+                user_id,
+                <foreach item="staffId" collection="staffIds" separator=",">
+                    #{staffId}
+                </foreach>
+            )
+        </if>
     </select>
 
     <select id="selectByStaffId" resultType="com.epmet.dataaggre.dto.epmetuser.CustomerStaffDTO">