diff --git a/src/services/identity/service.rs b/src/services/identity/service.rs
index 83caa2b..58f6989 100644
--- a/src/services/identity/service.rs
+++ b/src/services/identity/service.rs
@@ -98,7 +98,9 @@ impl Service {
 
         let conn = self.pool.get().map_err(|e| {
           bcr::error::rpc::Error::Server(bcr::error::rpc::Server {
+            code: bpr::protobuf::rpc::Error::SERVER_00,
             message: format!("server {}", e),
+            data: None,
           })
         })?;
 
@@ -107,7 +109,9 @@ impl Service {
           .select_by_username(&conn, &req.username)
           .map_err(|e| {
             bcr::error::rpc::Error::Server(bcr::error::rpc::Server {
+              code: bpr::protobuf::rpc::Error::SERVER_00,
               message: format!("server {}", e),
+              data: None,
             })
           })?;
 
@@ -126,7 +130,9 @@ impl Service {
           .await
           .map_err(|e| {
             bcr::error::rpc::Error::Server(bcr::error::rpc::Server {
-              message: format!("server: {}", e),
+              code: bpr::protobuf::rpc::Error::SERVER_00,
+              message: format!("server {}", e),
+              data: None,
             })
           })?;
 
@@ -189,7 +195,9 @@ impl Service {
 
         let conn = self.pool.get().map_err(|e| {
           bcr::error::rpc::Error::Server(bcr::error::rpc::Server {
+            code: bpr::protobuf::rpc::Error::SERVER_00,
             message: format!("server {}", e),
+            data: None,
           })
         })?;
 
@@ -198,7 +206,9 @@ impl Service {
           .select_by_nickname(&conn, &req.nickname)
           .map_err(|e| {
             bcr::error::rpc::Error::Server(bcr::error::rpc::Server {
-              message: format!("server: {}", e),
+              code: bpr::protobuf::rpc::Error::SERVER_00,
+              message: format!("server {}", e),
+              data: None,
             })
           })?;
 
@@ -217,7 +227,9 @@ impl Service {
           .await
           .map_err(|e| {
             bcr::error::rpc::Error::Server(bcr::error::rpc::Server {
-              message: format!("server: {}", e),
+              code: bpr::protobuf::rpc::Error::SERVER_00,
+              message: format!("server {}", e),
+              data: None,
             })
           })?;
 
@@ -296,7 +308,9 @@ impl Service {
 
         let conn = self.pool.get().map_err(|e| {
           bcr::error::rpc::Error::Server(bcr::error::rpc::Server {
+            code: bpr::protobuf::rpc::Error::SERVER_00,
             message: format!("server {}", e),
+            data: None,
           })
         })?;
 
@@ -305,7 +319,9 @@ impl Service {
           .select_by_url(&conn, &site_url)
           .map_err(|e| {
             bcr::error::rpc::Error::Server(bcr::error::rpc::Server {
+              code: bpr::protobuf::rpc::Error::SERVER_00,
               message: format!("server {}", e),
+              data: None,
             })
           })? {
           Some(ms) => ms,
@@ -335,7 +351,9 @@ impl Service {
           Some(s) => s,
           None => {
             return Err(bcr::error::rpc::Error::Server(bcr::error::rpc::Server {
+              code: bpr::protobuf::rpc::Error::SERVER_00,
               message: "captcha image encoding error[base64]".to_string(),
+              data: None,
             }));
           }
         };
@@ -353,7 +371,9 @@ impl Service {
           .insert(&conn, &new_captcha)
           .map_err(|e| {
             bcr::error::rpc::Error::Server(bcr::error::rpc::Server {
-              message: format!("server: {}", e),
+              code: bpr::protobuf::rpc::Error::SERVER_00,
+              message: format!("server {}", e),
+              data: None,
             })
           })?;
 
@@ -371,7 +391,9 @@ impl Service {
           .await
           .map_err(|e| {
             bcr::error::rpc::Error::Server(bcr::error::rpc::Server {
-              message: format!("server: {}", e),
+              code: bpr::protobuf::rpc::Error::SERVER_00,
+              message: format!("server {}", e),
+              data: None,
             })
           })?;
 
@@ -432,7 +454,9 @@ impl Service {
 
         let conn = self.pool.get().map_err(|e| {
           bcr::error::rpc::Error::Server(bcr::error::rpc::Server {
+            code: bpr::protobuf::rpc::Error::SERVER_00,
             message: format!("server {}", e),
+            data: None,
           })
         })?;
 
@@ -441,7 +465,9 @@ impl Service {
           .select_by_url(&conn, client.site_url())
           .map_err(|e| {
             bcr::error::rpc::Error::Server(bcr::error::rpc::Server {
-              message: format!("server: {}", e),
+              code: bpr::protobuf::rpc::Error::SERVER_00,
+              message: format!("server {}", e),
+              data: None,
             })
           })? {
           Some(ms) => ms,
@@ -482,7 +508,9 @@ impl Service {
           .select(&conn, captcha_id)
           .map_err(|e| {
             bcr::error::rpc::Error::Server(bcr::error::rpc::Server {
-              message: format!("server: {}", e),
+              code: bpr::protobuf::rpc::Error::SERVER_00,
+              message: format!("server {}", e),
+              data: None,
             })
           })? {
           Some(c) => c,
@@ -537,7 +565,9 @@ impl Service {
           .select_by_username(&conn, &username)
           .map_err(|e| {
             bcr::error::rpc::Error::Server(bcr::error::rpc::Server {
-              message: format!("server: {}", e),
+              code: bpr::protobuf::rpc::Error::SERVER_00,
+              message: format!("server {}", e),
+              data: None,
             })
           })? {
           Some(m) => m,
@@ -611,7 +641,9 @@ impl Service {
           )
           .map_err(|e| {
             bcr::error::rpc::Error::Server(bcr::error::rpc::Server {
-              message: format!("server: {}", e),
+              code: bpr::protobuf::rpc::Error::SERVER_00,
+              message: format!("server {}", e),
+              data: None,
             })
           })?;
 
@@ -628,7 +660,9 @@ impl Service {
           .await
           .map_err(|e| {
             bcr::error::rpc::Error::Server(bcr::error::rpc::Server {
-              message: format!("server: {}", e),
+              code: bpr::protobuf::rpc::Error::SERVER_00,
+              message: format!("server {}", e),
+              data: None,
             })
           })?;