diff --git a/crates/migration/src/m20260526_062833_create_account_table.rs b/crates/migration/src/m20260526_062833_create_account_table.rs
index da698aa..f2e297e 100644
--- a/crates/migration/src/m20260526_062833_create_account_table.rs
+++ b/crates/migration/src/m20260526_062833_create_account_table.rs
@@ -12,7 +12,7 @@ impl MigrationTrait for Migration {
                     .table("account_category")
                     .if_not_exists()
                     .col(pk_auto("id").not_null())
-                    .col(string("name").not_null())
+                    .col(string("name").not_null().unique_key())
                     .col(string("account_type").not_null())
                     .col(string("created_at").not_null())
                     .col(string("updated_at").not_null())
@@ -27,7 +27,7 @@ impl MigrationTrait for Migration {
                     .if_not_exists()
                     .col(pk_auto("id").not_null())
                     //
-                    .col(string("name").not_null())
+                    .col(string("name").not_null().unique_key())
                     .col(integer("account_category_id").not_null())
                     //
                     .col(string("created_at").not_null())
@@ -37,7 +37,9 @@ impl MigrationTrait for Migration {
                         ForeignKey::create()
                             .name("fk-account-category")
                             .from("account", "account_category_id")
-                            .to("account_category", "id"),
+                            .to("account_category", "id")
+                            .on_delete(ForeignKeyAction::NoAction)
+                            .on_update(ForeignKeyAction::Restrict),
                     )
                     .to_owned(),
             )
diff --git a/src-tauri/src/db/entities/account.rs b/src-tauri/src/db/entities/account.rs
index 77bc27e..ac925e5 100644
--- a/src-tauri/src/db/entities/account.rs
+++ b/src-tauri/src/db/entities/account.rs
@@ -9,6 +9,7 @@ use serde::{Deserialize, Serialize};
 pub struct Model {
     #[sea_orm(primary_key)]
     pub id: i64,
+    #[sea_orm(unique)]
     pub name: String,
     pub account_category_id: i64,
     pub created_at: String,
@@ -21,7 +22,7 @@ pub enum Relation {
         belongs_to = "super::account_category::Entity",
         from = "Column::AccountCategoryId",
         to = "super::account_category::Column::Id",
-        on_update = "NoAction",
+        on_update = "Restrict",
         on_delete = "NoAction"
     )]
     AccountCategory,
diff --git a/src-tauri/src/db/entities/account_category.rs b/src-tauri/src/db/entities/account_category.rs
index 1ea9baf..b35ab07 100644
--- a/src-tauri/src/db/entities/account_category.rs
+++ b/src-tauri/src/db/entities/account_category.rs
@@ -9,6 +9,7 @@ use serde::{Deserialize, Serialize};
 pub struct Model {
     #[sea_orm(primary_key)]
     pub id: i64,
+    #[sea_orm(unique)]
     pub name: String,
     pub account_type: String,
     pub created_at: String,