diff --git a/model/common_request.go b/model/common_request.go
index ca13b4c..3568338 100644
--- a/model/common_request.go
+++ b/model/common_request.go
@@ -28,7 +28,9 @@ type RequestCondition struct {
 	DistrictCode int   `json:"districtCode"`
 	ProvinceCode int   `json:"provinceCode"`
 
-	Slug         string   `json:"slug"`
+	Slug    string `json:"slug"`
+	OldSlug string `json:"oldSlug"`
+
 	Slugs        []string `json:"slugs"`
 	DistrictSlug string   `json:"districtSlug"`
 	ProvinceSlug string   `json:"provinceSlug"`