增加商品属性定义

app/models/product.rb

@@ -43,7 +43,7 @@ class Product < ActiveRecord::Base
         if !linkSize.blank?
             return linkSize.name
         else
-            return "不存在"
+            return "-"
         end
     end
 
@@ -52,7 +52,7 @@ class Product < ActiveRecord::Base
         if !linkColor.blank?
             return linkColor.name
         else
-            return "不存在"
+            return "-"
         end
     end