diff --git a/annim/src/entities/helper/postgres.rs b/annim/src/entities/helper/postgres.rs
index 003705b..48c9d30 100644
--- a/annim/src/entities/helper/postgres.rs
+++ b/annim/src/entities/helper/postgres.rs
@@ -44,9 +44,7 @@ impl From<TagTypeEnum> for TagType {
             TagTypeEnum::Project => TagType::Project,
             TagTypeEnum::Game => TagType::Game,
             TagTypeEnum::Organization => TagType::Organization,
-            // TODO: category
-            // TagTypeEnum::Category => TagType::Category,
-            TagTypeEnum::Category => TagType::Others,
+            TagTypeEnum::Category => TagType::Category,
             TagTypeEnum::Others => TagType::Others,
         }
     }
@@ -63,6 +61,7 @@ impl From<&TagType> for TagTypeEnum {
             TagType::Project => TagTypeEnum::Project,
             TagType::Game => TagTypeEnum::Game,
             TagType::Organization => TagTypeEnum::Organization,
+            TagType::Category => TagTypeEnum::Category,
             TagType::Others => TagTypeEnum::Others,
         }
     }
diff --git a/annim/src/entities/postgres/sea_orm_active_enums.rs b/annim/src/entities/postgres/sea_orm_active_enums.rs
index 8a4ab18..dc837a7 100644
--- a/annim/src/entities/postgres/sea_orm_active_enums.rs
+++ b/annim/src/entities/postgres/sea_orm_active_enums.rs
@@ -25,6 +25,8 @@ pub enum TagType {
     Animation,
     #[sea_orm(string_value = "artist")]
     Artist,
+    #[sea_orm(string_value = "category")]
+    Category,
     #[sea_orm(string_value = "game")]
     Game,
     #[sea_orm(string_value = "group")]
diff --git a/annim/src/migrator/m20240824_000002_create_tag_tables.rs b/annim/src/migrator/m20240824_000002_create_tag_tables.rs
index 772c0eb..21c4a9f 100644
--- a/annim/src/migrator/m20240824_000002_create_tag_tables.rs
+++ b/annim/src/migrator/m20240824_000002_create_tag_tables.rs
@@ -221,7 +221,7 @@ pub enum TagInfo {
 }
 
 #[derive(Iden, EnumIter)]
-enum TagType {
+pub enum TagType {
     Artist,
     Group,
     Animation,
diff --git a/annim/src/migrator/m20240905_000003_add_tag_type_category.rs b/annim/src/migrator/m20240905_000003_add_tag_type_category.rs
new file mode 100644
index 0000000..3dc8f87
--- /dev/null
+++ b/annim/src/migrator/m20240905_000003_add_tag_type_category.rs
@@ -0,0 +1,37 @@
+use extension::postgres::Type;
+use sea_orm::DbErr;
+use sea_orm_migration::prelude::*;
+
+pub struct Migration;
+
+impl MigrationName for Migration {
+    fn name(&self) -> &str {
+        "m20240905_000003_add_tag_type_category"
+    }
+}
+
+#[async_trait::async_trait]
+impl MigrationTrait for Migration {
+    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        match manager.get_database_backend() {
+            sea_orm::DatabaseBackend::Postgres => {
+                manager
+                    .alter_type(
+                        Type::alter()
+                            .name(Alias::new("tag_type"))
+                            .add_value(Alias::new("category"))
+                            .before(super::m20240824_000002_create_tag_tables::TagType::Others),
+                    )
+                    .await?;
+            }
+            _ => {}
+        }
+
+        Ok(())
+    }
+
+    async fn down(&self, _manager: &SchemaManager) -> Result<(), DbErr> {
+        // Can not revert the type change
+        Ok(())
+    }
+}
diff --git a/annim/src/migrator/mod.rs b/annim/src/migrator/mod.rs
index 4f91ce8..d8f14f1 100644
--- a/annim/src/migrator/mod.rs
+++ b/annim/src/migrator/mod.rs
@@ -3,6 +3,7 @@ mod helper;
 
 mod m20240817_000001_create_basic_tables;
 mod m20240824_000002_create_tag_tables;
+mod m20240905_000003_add_tag_type_category;
 
 pub struct Migrator;
 
@@ -12,6 +13,7 @@ impl MigratorTrait for Migrator {
         vec![
             Box::new(m20240817_000001_create_basic_tables::Migration),
             Box::new(m20240824_000002_create_tag_tables::Migration),
+            Box::new(m20240905_000003_add_tag_type_category::Migration),
         ]
     }
 }