diff --git a/data/attendance.go b/data/attendance.go
index b077431..7e82da7 100644
--- a/data/attendance.go
+++ b/data/attendance.go
@@ -20,7 +20,7 @@ type Attendance struct {
 	AttendanceId uuid.UUID `json:"attendance_id" gorm:"type:uuid;uniqueIndex;not null"`
 	EventId      uuid.UUID `json:"event_id" gorm:"type:uuid;uniqueIndex:unique_event_user;not null"`
 	UserId       uuid.UUID `json:"user_id" gorm:"type:uuid;uniqueIndex:unique_event_user;not null"`
-	Role         string    `json:"role" gorm:"not null"`
+	Role         string    `json:"role" gorm:"type:varchar(255);not null"`
 	CheckinAt    time.Time `json:"checkin_at"`
 }
 
diff --git a/data/user.go b/data/user.go
index 25dc819..5bcfab1 100644
--- a/data/user.go
+++ b/data/user.go
@@ -21,6 +21,7 @@ type User struct {
 	Nickname        string    `json:"nickname"`
 	Subtitle        string    `json:"subtitle"`
 	Avatar          string    `json:"avatar"`
+	Bio             string    `json:"bio" gorm:"type:text"`
 	PermissionLevel uint      `json:"permission_level" gorm:"default:10;not null"`
 }