useState去掉空值条件

zc-business/src/main/resources/mapper/business/DcDeviceMapper.xml

@@ -92,7 +92,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             <if test="productionDate != null  and productionDate != ''">and t1.production_date = #{productionDate}</if>
             <if test="durableYears != null  and durableYears != ''">and t1.durable_years = #{durableYears}</if>
             <if test="installationSite != null  and installationSite != ''">and t1.installation_site = #{installationSite}</if>
-            <if test="useState != null  and useState != ''">and t1.use_state = #{useState}</if>
+            <if test="useState != null">and t1.use_state = #{useState}</if>
             <if test="deviceState != null  and deviceState != ''">and t1.device_state = #{deviceState}</if>
             <if test="otherConfig != null  and otherConfig != ''">and json_extract(t1.other_config,'$.childType') = #{otherConfig}</if>
             <if test="remark != null  and remark != ''">and t1.remark = #{remark}</if>