diff --git a/platform-biz-service/src/main/resources/mainOrm/master/CouponMapper.xml b/platform-biz-service/src/main/resources/mainOrm/master/CouponMapper.xml
index a57b1e4..3107ec7 100644
--- a/platform-biz-service/src/main/resources/mainOrm/master/CouponMapper.xml
+++ b/platform-biz-service/src/main/resources/mainOrm/master/CouponMapper.xml
@@ -569,7 +569,7 @@
     </select>
 
     <select id="doHospitalFilter" parameterType="map" resultType="string">
-        select a.id from organization a, hospital_coupon_template_group b
+        select DISTINCT(a.id) from organization a, hospital_coupon_template_group b
         where a.id = b.hospital_id and a.id in
         <foreach collection="hospitalId" open="(" close=")" separator="," item="hid">
             #{hid}