QueryParser parser = new QueryParser(Lucene.Net.Util.Version.LUCENE_29, "geoname", new ChineseAnalyzer());
                //parser.SetPhraseSlop(10);
                Query query = parser.Parse(queryStr);
                // QueryParser parserRid = new QueryParser(Lucene.Net.Util.Version.LUCENE_29, "rid", new ChineseAnalyzer());
                // parserRid.SetAllowLeadingWildcard(true);
                //rid = "南宁";
                // WildcardQuery queryRid = new Lucene.Net.Search.WildcardQuery(new Lucene.Net.Index.Term("geoname", rid + "*"));//parserRid.Parse(rid + "*"); //
                PrefixQuery queryx = new PrefixQuery(new Term("rid", rid));
                BooleanQuery booleanQuery = new Lucene.Net.Search.BooleanQuery();
                //BooleanQuery.SetMaxClauseCount(10000);

                booleanQuery.Add(query, BooleanClause.Occur.MUST);
                booleanQuery.Add(queryx, BooleanClause.Occur.MUST);

                ScoreDoc[] hits = Searcher.Search(booleanQuery, null, 150).scoreDocs;
                //1000021
                //10000213io3i2oi
                //1000021*
                if (hits.Length >= 1)

  IndexWriter writer = new IndexWriter(FSDirectory.Open(tempDir), new ChineseAnalyzer(), enableCreate, IndexWriter.MaxFieldLength.UNLIMITED);
                    if (worker != null && worker.CancellationPending)
                    {

                        return true;
                    }
                    writer.SetUseCompoundFile(true);
                    Document doc;
                    foreach (DataRow dr in dt.Rows)
                    {
                        if (worker != null && worker.CancellationPending)
                        {
                            return true;
                        }

                        doc = new Document();
                        string geoname = dr["geoname"].ToString();
                        string lnt = dr["lnt"].ToString();
                        string lat = dr["lat"].ToString();
                        string rid = dr["rid"].ToString();
                        doc.Add(new Field("geoname", geoname, Field.Store.YES, Field.Index.ANALYZED));
                        doc.Add(new Field("lnt", lnt, Field.Store.YES, Field.Index.NO));
                        doc.Add(new Field("lat", lat, Field.Store.YES, Field.Index.NO));
                        doc.Add(new Field("rid", rid, Field.Store.YES, Field.Index.ANALYZED));

                        writer.AddDocument(doc);

                    }
                    writer.Optimize();

                    if (worker != null && worker.CancellationPending)
                    {
                        return true;
                    }
                    writer.Close();