diff --git a/apis/auth/auth.api b/apis/auth/auth.api
index 8211bef..6e6d03c 100644
--- a/apis/auth/auth.api
+++ b/apis/auth/auth.api
@@ -124,6 +124,7 @@ type (
 		IP         string `header:"X-Original-Forwarded-For"`
 		UserAgent  string `json:"user_agent" validate:"required"`
 		CfToken    string `json:"cf_token,optional"`
+		ShortCode  string `json:"short_code,optional"`
 	}
 )
 
diff --git a/initialize/migrate/database/02129_device_short_code.down.sql b/initialize/migrate/database/02129_device_short_code.down.sql
new file mode 100644
index 0000000..c134d7f
--- /dev/null
+++ b/initialize/migrate/database/02129_device_short_code.down.sql
@@ -0,0 +1,2 @@
+-- Remove short_code column from user_device table
+ALTER TABLE `user_device` DROP COLUMN `short_code`;
diff --git a/initialize/migrate/database/02129_device_short_code.up.sql b/initialize/migrate/database/02129_device_short_code.up.sql
new file mode 100644
index 0000000..64245b8
--- /dev/null
+++ b/initialize/migrate/database/02129_device_short_code.up.sql
@@ -0,0 +1,2 @@
+-- Add short_code column to user_device table
+ALTER TABLE `user_device` ADD COLUMN `short_code` VARCHAR(255) DEFAULT '' COMMENT 'Short Code' AFTER `identifier`;
diff --git a/internal/handler/routes.go b/internal/handler/routes.go
index ff26e9f..d95465a 100644
--- a/internal/handler/routes.go
+++ b/internal/handler/routes.go
@@ -939,10 +939,10 @@ func RegisterHandlers(router *gin.Engine, serverCtx *svc.ServiceContext) {
 		serverGroupRouter.GET("/user", server.GetServerUserListHandler(serverCtx))
 	}
 
-	serverV2GroupRouter := router.Group("/v2/server")
+	serverGroupRouterV2 := router.Group("/v2/server")
 
 	{
 		// Get Server Protocol Config
-		serverV2GroupRouter.GET("/:server_id", server.QueryServerProtocolConfigHandler(serverCtx))
+		serverGroupRouterV2.GET("/:server_id", server.QueryServerProtocolConfigHandler(serverCtx))
 	}
 }
diff --git a/internal/logic/auth/deviceLoginLogic.go b/internal/logic/auth/deviceLoginLogic.go
index 985813e..8c0926d 100644
--- a/internal/logic/auth/deviceLoginLogic.go
+++ b/internal/logic/auth/deviceLoginLogic.go
@@ -197,6 +197,7 @@ func (l *DeviceLoginLogic) registerUserAndDevice(req *types.DeviceLoginRequest)
 			UserId:     userInfo.Id,
 			UserAgent:  req.UserAgent,
 			Identifier: req.Identifier,
+			ShortCode:  req.ShortCode,
 			Enabled:    true,
 			Online:     false,
 		}
diff --git a/internal/model/user/user.go b/internal/model/user/user.go
index 30fa804..9077c87 100644
--- a/internal/model/user/user.go
+++ b/internal/model/user/user.go
@@ -81,6 +81,7 @@ type Device struct {
 	UserId     int64     `gorm:"index:idx_user_id;not null;comment:User ID"`
 	UserAgent  string    `gorm:"default:null;comment:UserAgent."`
 	Identifier string    `gorm:"type:varchar(255);unique;index:idx_identifier;default:'';comment:Device Identifier"`
+	ShortCode  string    `gorm:"type:varchar(255);default:'';comment:Short Code"`
 	Online     bool      `gorm:"default:false;not null;comment:Online"`
 	Enabled    bool      `gorm:"default:true;not null;comment:Enabled"`
 	CreatedAt  time.Time `gorm:"<-:create;comment:Creation Time"`
diff --git a/internal/types/types.go b/internal/types/types.go
index 5369547..7fe6027 100644
--- a/internal/types/types.go
+++ b/internal/types/types.go
@@ -558,6 +558,7 @@ type DeviceLoginRequest struct {
 	IP         string `header:"X-Original-Forwarded-For"`
 	UserAgent  string `json:"user_agent" validate:"required"`
 	CfToken    string `json:"cf_token,optional"`
+	ShortCode  string `json:"short_code,optional"`
 }
 
 type Document struct {