diff --git a/proto/models/domain/site.proto b/proto/models/domain/site.proto
index 9d15792..b6eb78b 100644
--- a/proto/models/domain/site.proto
+++ b/proto/models/domain/site.proto
@@ -5,12 +5,12 @@ package bet.beteran.domain;
 message Site {
   string id = 1;
   string url = 2;
-  string name = 3;
-  string path = 4;
+  optional string name = 3;
+  optional string path = 4;
   bool show = 5;
   bool can_use = 6;
-  string memo = 7;
-  uint64 expires_at = 8;
+  optional string memo = 7;
+  optional uint64 expires_at = 8;
   uint64 created_at = 9;
   uint64 updated_at = 10;
 }