feat: sale manager

services/product/internal/logic/response.go

@@ -3,13 +3,16 @@ package logic
 import (
 	"lone-services/pkg/utils"
 	product "lone-services/rpc/product/pb"
+
+	jsoniter "github.com/json-iterator/go"
 )
 
-func okResponse(data string) *product.Response {
+func okResponse(data any) *product.Response {
+	buf, _ := jsoniter.Marshal(data)
 	return &product.Response{
 		Code: utils.Ok.Code,
 		Msg:  utils.Ok.Msg,
-		Data: data,
+		Data: string(buf),
 	}
 }