diff --git a/fw-valhalla-dao/src/main/resources/mapper/CustomerMapper.xml b/fw-valhalla-dao/src/main/resources/mapper/CustomerMapper.xml
index 98a1a24..c53e2f7 100644
--- a/fw-valhalla-dao/src/main/resources/mapper/CustomerMapper.xml
+++ b/fw-valhalla-dao/src/main/resources/mapper/CustomerMapper.xml
@@ -151,7 +151,7 @@
                 #{id}
             </foreach>
         </if>
-        <if test="condition.excludeCustomerIds !=nul and condition.excludeCustomerIds.size() != 0">
+        <if test="condition.excludeCustomerIds !=null and condition.excludeCustomerIds.size() != 0">
             and t1.id not in
             <foreach collection="condition.excludeCustomerIds" item="id" index="index" open="(" close=")" separator=",">
                 #{id}