diff --git a/jnpf-java-boot/jnpf-admin/src/main/resources/mapper/scm/BusinessOrderMapper.xml b/jnpf-java-boot/jnpf-admin/src/main/resources/mapper/scm/BusinessOrderMapper.xml
index 4bfad0f1..3cf8b40d 100644
--- a/jnpf-java-boot/jnpf-admin/src/main/resources/mapper/scm/BusinessOrderMapper.xml
+++ b/jnpf-java-boot/jnpf-admin/src/main/resources/mapper/scm/BusinessOrderMapper.xml
@@ -257,7 +257,7 @@
                 LEFT JOIN flow_task g ON a.id = g.f_process_id and g.f_delete_mark is null
         WHERE
             a.contract_type = '2'
-          AND (a.business_id = #{businessLineId} or a.business_id = '')
+          AND (a.business_id = #{businessLineId} or a.business_id is null)
           AND DATE_FORMAT( a.contract_period_time, '%Y-%m-%d' ) <= DATE_FORMAT( NOW( ), '%Y-%m-%d' )
           AND DATE_FORMAT( a.contract_period_time_end, '%Y-%m-%d' ) >= DATE_FORMAT( NOW( ), '%Y-%m-%d' )
           AND a.f_delete_mark IS NULL