add

search/utils/product.py

@@ -94,9 +94,7 @@ class ProductUtils(object):
                 continue
 
             if k == "brand":
-                f.append({"term": {"cn_name_pre": v}},
-                         {"term": {"en_name_pre": v}},
-                         {"term": {"alias": v}}, )
+                f.append({"term": {"cn_name_pre": v}})
 
             if k == "effect":
                 f.append({"term": {"effect_cn_name": v}})