diff --git a/emis-biz/src/main/resources/mapper/EmisCustomerUserMapper.xml b/emis-biz/src/main/resources/mapper/EmisCustomerUserMapper.xml
index a28bdb736..7244d4d70 100644
--- a/emis-biz/src/main/resources/mapper/EmisCustomerUserMapper.xml
+++ b/emis-biz/src/main/resources/mapper/EmisCustomerUserMapper.xml
@@ -367,10 +367,13 @@
 
 
     <select id="selectMaxCustomerCodeBySite" parameterType="String" resultType="Long">
-          select CONCAT(#{ownSiteCode},LPAD((count(1)+1),6,'0')) as code  from emis_customer_user  where owner_site = #{ownSiteCode}
+          select IF(max(customer_code) is NULL,CONCAT(#{ownSiteCode},LPAD('1',6,'0')),CONCAT(CONVERT(customer_code,SIGNED)+1,'')) as new_code
+          from emis_customer_user  where owner_site = #{ownSiteCode}
     </select>
 
-<!--    select max(CONVERT(customer_code,SIGNED)) as code  from emis_customer_user  where owner_site = #{ownSiteCode}-->
+<!--    select CONCAT(#{ownSiteCode},LPAD((count(1)+1),6,'0')) as code  from emis_customer_user  where owner_site = #{ownSiteCode}-->
+
+    <!--    select max(CONVERT(customer_code,SIGNED)) as code  from emis_customer_user  where owner_site = #{ownSiteCode}-->