diff --git a/backend/app/http/posts.go b/backend/app/http/posts.go
index 60ac8d3..52ca823 100644
--- a/backend/app/http/posts.go
+++ b/backend/app/http/posts.go
@@ -9,7 +9,7 @@ import (
 )
 
 type ListQuery struct {
-	keyword *string `query:"keyword"`
+	Keyword *string `query:"keyword"`
 }
 
 // @provider
@@ -20,7 +20,7 @@ type posts struct{}
 // @Bind pagination query
 // @Bind query query
 func (ctl *posts) List(ctx fiber.Ctx, pagination *requests.Pagination, query *ListQuery) (*requests.Pager, error) {
-	cond := models.Posts.BuildConditionWithKey(query.keyword)
+	cond := models.Posts.BuildConditionWithKey(query.Keyword)
 	return models.Posts.List(ctx.Context(), pagination, cond)
 }