优化mqlinster代码结构，减少重复代码

@@ -66,8 +66,8 @@ public abstract class AbstractStorageRelatedMqListener extends AbstractMqListene
             indexData.put("colorNames", StringUtils.join(colorNameSet, ","));
         } else {
             indexData.put("goodsList", new JSONArray());
-            indexData.put("colorIds", " ");
-            indexData.put("colorNames", " ");
+            indexData.put("colorIds", "");
+            indexData.put("colorNames", "");
         }
     }
 }
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