ufo fix size bug

@@ -41,7 +41,7 @@ public class UfoSizeIndexBaseService {
                 if (sizeMap.containsKey(sizeName)) {
                     Map<String, Object> oldMap = sizeMap.get(sizeName);
                     String oldSizeIds = MapUtils.getString(oldMap, "size_id");
-                    oldMap.put(sizeName, oldSizeIds + "," + sizeId);
+                    oldMap.put("size_id", oldSizeIds + "," + sizeId);
                 } else {
                     sizeMap.put(sizeName, map);
                 }