新增针对排序字段的处理

src/main/java/com/uas/ps/product/search/service/RestTempSearchServiceImpl.java

@@ -81,7 +81,9 @@ public class RestTempSearchServiceImpl implements RestTempSearchService {
         map.put("page", pageParams.getPage());
         map.put("size", pageParams.getSize());
         map.put("keyword", keyword);
-        map.put("sort", JSON.toJSONString(pageParams.getFilters().get("sort")));
+        Object object = pageParams.getFilters().get("sort");
+        map.put("sort", object == null ? "" : JSON.toJSONString(object));
+        pageParams.getFilters().remove("sort");
         boolean notEqual = true;
         String nullString = "null";
         if (null == pageParams.getNotEqualFilters() || pageParams.getNotEqualFilters().containsKey(nullString)) {