diff --git a/server/product/internal/types/types.go b/server/product/internal/types/types.go
index dccd613b..ee0a001e 100644
--- a/server/product/internal/types/types.go
+++ b/server/product/internal/types/types.go
@@ -284,7 +284,7 @@ type TagProduct struct {
 }
 
 type CoverDefaultItem struct {
-	TemplateTag   string      `json:"tag"`
+	TemplateTag   string      `json:"template_tag"`
 	Cover         string      `json:"cover"`
 	CoverMetadata interface{} `json:"cover_metadata"`
 }
diff --git a/server_api/product.api b/server_api/product.api
index 054be734..bb95a9d9 100644
--- a/server_api/product.api
+++ b/server_api/product.api
@@ -333,7 +333,7 @@ type TagProduct {
 	Recommended         bool               `json:"recommended"`
 }
 type CoverDefaultItem {
-	TemplateTag   string      `json:"tag"`
+	TemplateTag   string      `json:"template_tag"`
 	Cover         string      `json:"cover"`
 	CoverMetadata interface{} `json:"cover_metadata"`
 }