fix

@@ -65,15 +65,17 @@ public class SceneRecommendBrandsService {
     }
 
     public void getRecommendBrands(Map<String, String> paramMap, SearchApiResult result) {
+
         if (result != null && result.getData() != null) {
             JSONObject data = (JSONObject)result.getData();
             JSONObject commonFilters = data.getJSONObject("filter");
             if (commonFilters != null) {
+                JSONArray recommendBrands = new JSONArray();
                 JSONArray brandList = commonFilters.getJSONArray("brand");
                 if (!CollectionUtils.isEmpty(brandList)) {
-                    JSONArray recommendBrands = getRecommendBrands(paramMap, brandList);
-                    commonFilters.put("recommendBrand", recommendBrands);
+                    recommendBrands = getRecommendBrands(paramMap, brandList);
                 }
+                commonFilters.put("recommendBrand", recommendBrands);
             }
         }
     }