diff --git a/apis/types.api b/apis/types.api
index 0efa991..8b4a9aa 100644
--- a/apis/types.api
+++ b/apis/types.api
@@ -656,7 +656,7 @@ type (
 	// public announcement
 	QueryAnnouncementRequest {
 		Page   int   `form:"page"`
-		Size   int   `form:"size,default=15"`
+		Size   int   `form:"size"`
 		Pinned *bool `form:"pinned"`
 		Popup  *bool `form:"popup"`
 	}