product detail api adjust

go/gopath/src/fohow.com/apps/controllers/product_controller/product_controller.go

@@ -191,7 +191,8 @@ func (self *ProductController) Get() {
 
 	// ret.Product = pd
 	self.Data["json"] = pd
-	self.ServeJSON()
+	self.ServeResultJSON()
+	//self.ServeJSON()
 }
 
 //商品详情