小程序更新为token请求

go/gopath/src/fohow.com/apps/models/product_model/product.go

@@ -129,7 +129,8 @@ func GetLatest(page, perPage, recommend, priceSort, saleSort int64, ptype string
 			return ret
 		}
 	}
-	var priceSql, saleSql string
+	priceSql := ""
+	saleSql := ""
 	if priceSort == int64(1) {
 		//降序
 		priceSql = "-price"