fix page error caused by recursivelyGet

mall-search/src/main/java/com/uas/search/service/impl/SearchServiceImpl.java

@@ -971,6 +971,10 @@ public class SearchServiceImpl implements SearchService {
 						(pageParams.getPage() - 1) * pageParams.getSize(), sort, true, false);
 				int totalHits = previousHits.totalHits;
 				if ((pageParams.getPage() - 1) * pageParams.getSize() >= totalHits) {
+                    // 如果没有结果，则降低精度，直至 keyword 长度为 1
+                    if(recursivelyGet && totalHits < 1 && !SearchUtils.isKeywordInvalid(keyword) && keyword.length() > 1){
+                        return getGoodsIds(keyword.substring(0, keyword.length() - 1), keywordFields, tokenized, pageParams, recursivelyGet);
+                    }
 					return map;
 				}
 				ScoreDoc[] previousScoreDocs = previousHits.scoreDocs;