diff --git a/entity/src/candidate.rs b/entity/src/candidate.rs
index fdfbc46..8a1e76e 100644
--- a/entity/src/candidate.rs
+++ b/entity/src/candidate.rs
@@ -30,16 +30,10 @@ pub struct Model {
 
 #[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
 pub enum Relation {
-    #[sea_orm(has_many = "super::session::Entity")]
-    Session,
     #[sea_orm(has_many = "super::parent::Entity")]
     Parent,
-}
-
-impl Related<super::session::Entity> for Entity {
-    fn to() -> RelationDef {
-        Relation::Session.def()
-    }
+    #[sea_orm(has_many = "super::session::Entity")]
+    Session,
 }
 
 impl Related<super::parent::Entity> for Entity {
@@ -48,4 +42,10 @@ impl Related<super::parent::Entity> for Entity {
     }
 }
 
+impl Related<super::session::Entity> for Entity {
+    fn to() -> RelationDef {
+        Relation::Session.def()
+    }
+}
+
 impl ActiveModelBehavior for ActiveModel {}