解决【web端&小程序端-电站监控】电站统计，按照电站座数统计错误

amos-boot-system-jxiop/amos-boot-module-hygf-api/src/main/resources/mapper/mysql/JpStationMapper.xml

@@ -470,7 +470,7 @@
             <if test="dto.amosCompanyCode!=null">
                 and hygf_jp_station.amos_company_code =#{dto.amosCompanyCode}
             </if>
-            and hygf_jp_station.`on_grid_type`=null and hygf_jp_station.type='家庭户用'
+            and hygf_jp_station.`on_grid_type` is null and hygf_jp_station.type='家庭户用'
         </where>
 
     </select>