|  | @@ -198,11 +198,11 @@ public class LandService extends BaseService<Land,Long> {
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				|  |  |          Map<Integer,String> namesMap = null;
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				|  |  |          String appendWhere = "";
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				|  |  |          String groupField = "";
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				|  |  | -        if(districtCode != null){
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				|  |  | +        if(StringUtils.isNotBlank(districtCode)){
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				|  |  |              namesMap = townService.getNames(districtCode);
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				|  |  |              appendWhere += " and district_code = '" +districtCode+"'";
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				|  |  |              groupField += "town_id";
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				|  |  | -        }else if(city != null){
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				|  |  | +        }else if(StringUtils.isNotBlank(city)){
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				|  |  |              namesMap = districtService.getNames(city);
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				|  |  |              appendWhere += " and district_code like '" + city.substring(0,4) + "%'";
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				|  |  |              groupField += "district_code";
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