diff --git a/src/c2se/backend/site.rs b/src/c2se/backend/site.rs
index caeba99..716b17a 100644
--- a/src/c2se/backend/site.rs
+++ b/src/c2se/backend/site.rs
@@ -39,16 +39,18 @@ pub const SUBJECT_CREATE_SITE: &str = const_format::concatcp!(SUBJECT, ".CreateS
 pub struct CreateSiteRequest {
   #[prost(string, tag="1")]
   pub url: ::prost::alloc::string::String,
-  #[prost(string, tag="2")]
-  pub name: ::prost::alloc::string::String,
-  #[prost(string, tag="3")]
-  pub path: ::prost::alloc::string::String,
+  #[prost(string, optional, tag="2")]
+  pub name: ::core::option::Option<::prost::alloc::string::String>,
+  #[prost(string, optional, tag="3")]
+  pub path: ::core::option::Option<::prost::alloc::string::String>,
   #[prost(bool, tag="4")]
   pub show: bool,
   #[prost(bool, tag="5")]
   pub can_use: bool,
-  #[prost(uint64, tag="6")]
-  pub expires_at: u64,
+  #[prost(string, optional, tag="6")]
+  pub memo: ::core::option::Option<::prost::alloc::string::String>,
+  #[prost(uint64, optional, tag="7")]
+  pub expires_at: ::core::option::Option<u64>,
 }
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct CreateSiteResponse {
@@ -76,16 +78,18 @@ pub struct UpdateSiteRequest {
   pub id: ::prost::alloc::string::String,
   #[prost(string, tag="2")]
   pub url: ::prost::alloc::string::String,
-  #[prost(string, tag="3")]
-  pub name: ::prost::alloc::string::String,
-  #[prost(string, tag="4")]
-  pub path: ::prost::alloc::string::String,
+  #[prost(string, optional, tag="3")]
+  pub name: ::core::option::Option<::prost::alloc::string::String>,
+  #[prost(string, optional, tag="4")]
+  pub path: ::core::option::Option<::prost::alloc::string::String>,
   #[prost(bool, tag="5")]
   pub show: bool,
   #[prost(bool, tag="6")]
   pub can_use: bool,
-  #[prost(uint64, tag="7")]
-  pub expires_at: u64,
+  #[prost(string, optional, tag="7")]
+  pub memo: ::core::option::Option<::prost::alloc::string::String>,
+  #[prost(uint64, optional, tag="8")]
+  pub expires_at: ::core::option::Option<u64>,
 }
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct UpdateSiteResponse {
diff --git a/src/models/domain.rs b/src/models/domain.rs
index 91ef331..b9cd2cb 100644
--- a/src/models/domain.rs
+++ b/src/models/domain.rs
@@ -4,18 +4,20 @@ pub struct Site {
     pub id: ::prost::alloc::string::String,
     #[prost(string, tag="2")]
     pub url: ::prost::alloc::string::String,
-    #[prost(string, tag="3")]
-    pub name: ::prost::alloc::string::String,
-    #[prost(string, tag="4")]
-    pub path: ::prost::alloc::string::String,
+    #[prost(string, optional, tag="3")]
+    pub name: ::core::option::Option<::prost::alloc::string::String>,
+    #[prost(string, optional, tag="4")]
+    pub path: ::core::option::Option<::prost::alloc::string::String>,
     #[prost(bool, tag="5")]
     pub show: bool,
     #[prost(bool, tag="6")]
     pub can_use: bool,
-    #[prost(uint64, tag="7")]
-    pub expires_at: u64,
-    #[prost(uint64, tag="8")]
-    pub created_at: u64,
+    #[prost(string, optional, tag="7")]
+    pub memo: ::core::option::Option<::prost::alloc::string::String>,
+    #[prost(uint64, optional, tag="8")]
+    pub expires_at: ::core::option::Option<u64>,
     #[prost(uint64, tag="9")]
+    pub created_at: u64,
+    #[prost(uint64, tag="10")]
     pub updated_at: u64,
 }
diff --git a/src/ss/domain/site.rs b/src/ss/domain/site.rs
index 73ce6a2..d672ebf 100644
--- a/src/ss/domain/site.rs
+++ b/src/ss/domain/site.rs
@@ -43,16 +43,18 @@ pub struct CreateSiteRequest {
     pub client: ::core::option::Option<core::network::Client>,
     #[prost(string, tag="2")]
     pub url: ::prost::alloc::string::String,
-    #[prost(string, tag="3")]
-    pub name: ::prost::alloc::string::String,
-    #[prost(string, tag="4")]
-    pub path: ::prost::alloc::string::String,
+    #[prost(string, optional, tag="3")]
+    pub name: ::core::option::Option<::prost::alloc::string::String>,
+    #[prost(string, optional, tag="4")]
+    pub path: ::core::option::Option<::prost::alloc::string::String>,
     #[prost(bool, tag="5")]
     pub show: bool,
     #[prost(bool, tag="6")]
     pub can_use: bool,
-    #[prost(uint64, tag="7")]
-    pub expires_at: u64,
+    #[prost(string, optional, tag="7")]
+    pub memo: ::core::option::Option<::prost::alloc::string::String>,
+    #[prost(uint64, optional, tag="8")]
+    pub expires_at: ::core::option::Option<u64>,
 }
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct CreateSiteResponse {
@@ -82,16 +84,18 @@ pub struct UpdateSiteRequest {
     pub id: ::prost::alloc::string::String,
     #[prost(string, tag="3")]
     pub url: ::prost::alloc::string::String,
-    #[prost(string, tag="4")]
-    pub name: ::prost::alloc::string::String,
-    #[prost(string, tag="5")]
-    pub path: ::prost::alloc::string::String,
+    #[prost(string, optional, tag="4")]
+    pub name: ::core::option::Option<::prost::alloc::string::String>,
+    #[prost(string, optional, tag="5")]
+    pub path: ::core::option::Option<::prost::alloc::string::String>,
     #[prost(bool, tag="6")]
     pub show: bool,
     #[prost(bool, tag="7")]
     pub can_use: bool,
-    #[prost(uint64, tag="8")]
-    pub expires_at: u64,
+    #[prost(string, optional, tag="8")]
+    pub memo: ::core::option::Option<::prost::alloc::string::String>,
+    #[prost(uint64, optional, tag="9")]
+    pub expires_at: ::core::option::Option<u64>,
 }
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct UpdateSiteResponse {