bug fix

src/main/java/com/huiju/estateagents/controller/TaBuildingController.java

 import com.huiju.estateagents.base.ResponseBean;
 import com.huiju.estateagents.common.CommConstant;
 import com.huiju.estateagents.common.JWTUtils;
+import com.huiju.estateagents.common.StringUtils;
 import com.huiju.estateagents.entity.TaBuilding;
 import com.huiju.estateagents.entity.TaPerson;
 import com.huiju.estateagents.service.ITaBuildingService;
             targets = iTaSaveService.getTargesOfPerson(persons.get(0).getPersonId(), CommConstant.FAVOR_PROJECT);
         }
 
-        String[] buildingTypeList = null != buildingType ? buildingType.split(",") : null;
-        String[] houseTypeList = null != houseType ? houseType.split(",") : null;
+        String[] buildingTypeList = !StringUtils.isEmpty(buildingType) ? buildingType.split(",") : null;
+        String[] houseTypeList = !StringUtils.isEmpty(houseType) ? houseType.split(",") : null;
         List<String[]> priceList = getParamListOf(price);
         List<String[]> areaList = getParamListOf(area);