fix bug

+package com.yoho.search.common.cache.aop;
+
+
+public interface ISearchCacheAbleParam {
+
+	public String toCacheKeyValue();
+
+}

@@ -53,6 +53,7 @@ public class SearchCacheAspect {
 		SearchCache searchCache = searchCacheFactory.getAspectSearhCache(searchCacheAble);
 		boolean useJsonSerializable = searchCacheAble.cacheType().equals(CacheType.EHCACHE)?false:true;
 		Serializable cacheObject = searchCacheService.getSerializableObjectFromCache(searchCache, cacheKey, returnClass,useJsonSerializable);
+
 		if (cacheObject != null) {
 			return cacheObject;
 		}
@@ -83,8 +84,8 @@ public class SearchCacheAspect {
 	private String getCacheKey(ProceedingJoinPoint pjp, SearchCacheAble searchCacheAble) {
 		Object[] arges = pjp.getArgs();
 		Object object = arges[0];
-		if (object instanceof SearchCacheAbleParam) {
-			return this.getCacheKey((SearchCacheAbleParam) object, searchCacheAble);
+		if (object instanceof ISearchCacheAbleParam) {
+			return this.getCacheKey((ISearchCacheAbleParam) object, searchCacheAble);
 		}
 		if (object instanceof HttpServletRequest) {
 			return this.getCacheKey((HttpServletRequest) object, searchCacheAble);
@@ -96,7 +97,7 @@ public class SearchCacheAspect {
 	}
 
 	// 获取SearchCacheAbleParam的缓存key
-	private String getCacheKey(SearchCacheAbleParam searchCacheAbleParam, SearchCacheAble searchCacheAble) {
+	private String getCacheKey(ISearchCacheAbleParam searchCacheAbleParam, SearchCacheAble searchCacheAble) {
 		String valueString = searchCacheAbleParam.toCacheKeyValue();
 		return this.getRealCacheKey(valueString, searchCacheAble);
 	}

@@ -13,10 +13,10 @@ import org.elasticsearch.search.sort.SortBuilders;
 import org.elasticsearch.search.sort.SortOrder;
 
 import com.yoho.search.base.utils.ProductIndexEsField;
-import com.yoho.search.common.cache.aop.SearchCacheAbleParam;
+import com.yoho.search.common.cache.aop.ISearchCacheAbleParam;
 import com.yoho.search.common.utils.HttpServletRequestUtils;
 
-public class CommonRecallParam extends SearchCacheAbleParam {
+public class CommonRecallParam implements ISearchCacheAbleParam {
 
 	private Map<String, String> paramMap;
 	private BoolQueryBuilder extendMustFilter;

@@ -6,9 +6,9 @@ import java.util.List;
 
 import org.apache.commons.lang.StringUtils;
 
-import com.yoho.search.common.cache.aop.SearchCacheAbleParam;
+import com.yoho.search.common.cache.aop.ISearchCacheAbleParam;
 
-public class CommonRecallResult extends SearchCacheAbleParam implements Serializable {
+public class CommonRecallResult implements ISearchCacheAbleParam,Serializable {
 
 	private static final long serialVersionUID = -5811560665992908361L;
 	private long totalCount = 0;

@@ -155,7 +155,7 @@ public class ProductIndexBaseService {
 
 		productMap.put("max_sort_id", MapUtils.getIntValue(map, ProductIndexEsField.maxSortId));
 		productMap.put("middle_sort_id", MapUtils.getIntValue(map, ProductIndexEsField.middleSortId));
-		productMap.put("middle_sort_name", MapUtils.getIntValue(map, ProductIndexEsField.middleSort));
+		productMap.put("middle_sort_name", MapUtils.getString(map, ProductIndexEsField.middleSort,""));
 		productMap.put("small_sort_id", MapUtils.getIntValue(map, ProductIndexEsField.smallSortId));
 		productMap.put("small_sort_name", MapUtils.getString(map, ProductIndexEsField.smallSort, ""));