diff --git a/emis-biz/src/main/resources/mapper/EmisCustomerUserMapper.xml b/emis-biz/src/main/resources/mapper/EmisCustomerUserMapper.xml
index 8b2622b7d..750d768d3 100644
--- a/emis-biz/src/main/resources/mapper/EmisCustomerUserMapper.xml
+++ b/emis-biz/src/main/resources/mapper/EmisCustomerUserMapper.xml
@@ -487,7 +487,7 @@
             <if test="settleDay != null">settle_day = #{settleDay},</if>
             <if test="status != null and status != ''">status = #{status},</if>
             <if test="orderNum != null and orderNum != ''">order_num = #{orderNum},</if>
-            sales_support = #{salesSupport},
+            <if test="salesSupport != null and salesSupport != ''"> sales_support = #{salesSupport},</if>
             <if test="salesExecutive != null and salesExecutive != ''">sales_executive = #{salesExecutive},</if>
             <if test="enterpriseName != null and enterpriseName != ''">enterprise_name = #{enterpriseName},</if>
             <if test="enterpriseTaxId != null and enterpriseTaxId != ''">enterprise_tax_id = #{enterpriseTaxId},</if>