diff --git a/server/api/checkin.go b/server/api/checkin.go
index 5baa81f..39f1729 100644
--- a/server/api/checkin.go
+++ b/server/api/checkin.go
@@ -15,7 +15,7 @@ func (b *BaseRequest) Default() {
 	if b.Page <= 0 {
 		b.Page = 1
 	}
-	if b.Size <= 0 {
+	if b.Size == 0 {
 		b.Size = 10
 	}
 }