diff --git a/proto/c2se/backend/site.proto b/proto/c2se/backend/site.proto
index 0229a64..2f99048 100644
--- a/proto/c2se/backend/site.proto
+++ b/proto/c2se/backend/site.proto
@@ -26,11 +26,12 @@ message ListSitesResponse {
 // subject = bet.beteran.c2se.backend.site.CreateSite
 message CreateSiteRequest {
   string url = 1;
-  string name = 2;
-  string path = 3;
+  optional string name = 2;
+  optional string path = 3;
   bool show = 4;
   bool can_use = 5;
-  uint64 expires_at = 6;
+  optional string memo = 6;
+  optional uint64 expires_at = 7;
 }
 
 message CreateSiteResponse {
@@ -45,11 +46,12 @@ message CreateSiteResponse {
 message UpdateSiteRequest {
   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;
-  uint64 expires_at = 7;
+  optional string memo = 7;
+  optional uint64 expires_at = 8;
 }
 
 message UpdateSiteResponse {
diff --git a/proto/models/domain/site.proto b/proto/models/domain/site.proto
index 9b18e16..9d15792 100644
--- a/proto/models/domain/site.proto
+++ b/proto/models/domain/site.proto
@@ -9,7 +9,8 @@ message Site {
   string path = 4;
   bool show = 5;
   bool can_use = 6;
-  uint64 expires_at = 7;
-  uint64 created_at = 8;
-  uint64 updated_at = 9;
+  string memo = 7;
+  uint64 expires_at = 8;
+  uint64 created_at = 9;
+  uint64 updated_at = 10;
 }
diff --git a/proto/ss/domain/site.proto b/proto/ss/domain/site.proto
index e015633..d52dd76 100644
--- a/proto/ss/domain/site.proto
+++ b/proto/ss/domain/site.proto
@@ -29,11 +29,12 @@ message ListSitesResponse {
 message CreateSiteRequest {
   bet.beteran.core.network.Client client = 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;
-  uint64 expires_at = 7;
+  optional string memo = 7;
+  optional uint64 expires_at = 8;
 }
 
 message CreateSiteResponse {
@@ -49,11 +50,12 @@ message UpdateSiteRequest {
   bet.beteran.core.network.Client client = 1;
   string id = 2;
   string url = 3;
-  string name = 4;
-  string path = 5;
+  optional string name = 4;
+  optional string path = 5;
   bool show = 6;
   bool can_use = 7;
-  uint64 expires_at = 8;
+  optional string memo = 8;
+  optional uint64 expires_at = 9;
 }
 
 message UpdateSiteResponse {