空指针修复

@@ -120,6 +120,9 @@ public class QueryUserPersionalFactorBean {
     }
 
     private Map<Integer, List<Integer>> getPageBrand2MiSortIdsMap(PagePersonalFactor pageFactor){
+        if(pageFactor==null || pageFactor.getBrandSortsList()==null){
+            return new HashMap<>();
+        }
         //1、构造brand2MiSortIdsMap
         List<PageBrandSorts> brandSortsList = pageFactor.getBrandSortsList();
         Map<Integer, List<Integer>> brand2MiSortIdsMap = new HashMap<>();
@@ -131,6 +134,9 @@ public class QueryUserPersionalFactorBean {
 
     private List<SortBrand> getSortBrandListWithSort(Map<Integer, List<Integer>> brand2MiSortIdsMap,List<SortBrand> userSortBrands,int maxCount){
         List<SortBrand> results = new ArrayList<>();
+        if(brand2MiSortIdsMap==null || brand2MiSortIdsMap.isEmpty() || userSortBrands==null || userSortBrands.isEmpty()){
+            return results;
+        }
         for (SortBrand sortBrand :userSortBrands) {
             if (!brand2MiSortIdsMap.containsKey(sortBrand.getBrandId())) {
                 continue;

@@ -3,6 +3,7 @@ package com.yoho.search.recall.scene.models.personal;
 import com.yoho.search.core.personalized.models.SortBrand;
 import com.yoho.search.core.personalized.models.SortPriceAreas;
 
+import java.util.ArrayList;
 import java.util.List;
 
 public class UserPersonalFactor {