diff --git a/examples/simple-list/Cargo.toml b/examples/simple-list/Cargo.toml
new file mode 100644
index 0000000..8e9c691
--- /dev/null
+++ b/examples/simple-list/Cargo.toml
@@ -0,0 +1,20 @@
+[package]
+name = "simple-list"
+edition.workspace = true
+version.workspace = true
+description.workspace = true
+license.workspace = true
+repository.workspace = true
+
+[dependencies]
+chrono = "0.4.41"
+clap = { version = "4.5.38", features = ["derive"] }
+lazy-supplements.workspace = true
+lazy-supplements-migration.workspace = true
+sea-orm = "1.1.11"
+sea-orm-migration.workspace = true
+serde = { version = "1.0.219", features = ["derive"] }
+tokio = "1.45.1"
+
+[dev-dependencies]
+lazy-supplements = { workspace = true, features = [ "test" ] }
\ No newline at end of file
diff --git a/examples/simple-list/src/cli/add.rs b/examples/simple-list/src/cli/add.rs
new file mode 100644
index 0000000..e69de29
diff --git a/examples/simple-list/src/cli/delete.rs b/examples/simple-list/src/cli/delete.rs
new file mode 100644
index 0000000..e69de29
diff --git a/examples/simple-list/src/cli/list.rs b/examples/simple-list/src/cli/list.rs
new file mode 100644
index 0000000..e69de29
diff --git a/examples/simple-list/src/cli/mod.rs b/examples/simple-list/src/cli/mod.rs
new file mode 100644
index 0000000..a586220
--- /dev/null
+++ b/examples/simple-list/src/cli/mod.rs
@@ -0,0 +1,16 @@
+use clap::{Parser, Subcommand};
+use lazy_supplements::{cli::ServerArgs, config::PartialServerConfig};
+
+#[derive(Debug, Parser)]
+pub struct Cli {
+    #[command(subcommand)]
+    command: CliCommand
+}
+
+#[derive(Debug, Subcommand)]
+pub enum CliCommand {
+    Add,
+    Delete,
+    List,
+    Server(ServerArgs)
+}
diff --git a/examples/simple-list/src/cli/server.rs b/examples/simple-list/src/cli/server.rs
new file mode 100644
index 0000000..e69de29
diff --git a/examples/simple-list/src/entity/list_item.rs b/examples/simple-list/src/entity/list_item.rs
new file mode 100644
index 0000000..dc5ace4
--- /dev/null
+++ b/examples/simple-list/src/entity/list_item.rs
@@ -0,0 +1,58 @@
+use chrono::Local;
+use sea_orm::entity::{
+    *,
+    prelude::*
+};
+use serde::{Deserialize, Serialize};
+
+
+#[derive(Clone, Debug, PartialEq, DeriveEntityModel, Serialize, Deserialize)]
+#[sea_orm(table_name = "list_item")]
+pub struct Model {
+    #[sea_orm(primary_key, auto_increment = false)]
+    pub id: Uuid,
+    #[sea_orm(indexed)]
+    pub created_at: DateTimeUtc,
+    #[sea_orm(indexed)]
+    pub updated_at: DateTimeUtc,
+    #[sea_orm(indexed)]
+    pub is_trashed: bool,
+    #[sea_orm(indexed)]
+    pub content: String,
+}
+
+#[derive(Copy, Clone, Debug, DeriveRelation, EnumIter)]
+pub enum Relation {}
+    
+impl ActiveModelBehavior for ActiveModel {}
+
+impl ActiveModel {
+    pub fn new() -> Self {
+        let timestamp: DateTimeUtc = Local::now().to_utc();
+        Self{
+            id: Set(Uuid::new_v4()),
+            created_at: Set(timestamp),
+            updated_at: Set(timestamp),
+            is_trashed: Set(false),
+            ..Default::default()
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    use crate::global::GLOBAL;
+
+     #[tokio::test]
+    async fn check_insert_node() {
+        let db = crate::tests::get_or_init_temporary_database().await;
+        
+        ActiveModel{
+            content: Set("test note".to_owned()),
+            ..ActiveModel::new()
+        }.insert(db).await.unwrap();
+    }
+
+}
\ No newline at end of file
diff --git a/examples/simple-list/src/entity/mod.rs b/examples/simple-list/src/entity/mod.rs
new file mode 100644
index 0000000..e0c7570
--- /dev/null
+++ b/examples/simple-list/src/entity/mod.rs
@@ -0,0 +1,10 @@
+mod list_item;
+pub use lazy_supplements::entity::*;
+
+pub use list_item::{
+    ActiveModel as ListItemActiveModel,
+    Column as ListItemColumn,
+    Entity as ListItemEntity,
+    Model as ListItemModel,
+};
+
diff --git a/examples/simple-list/src/main.rs b/examples/simple-list/src/main.rs
new file mode 100644
index 0000000..d90ff84
--- /dev/null
+++ b/examples/simple-list/src/main.rs
@@ -0,0 +1,28 @@
+use clap::Parser;
+
+mod migration;
+mod cli;
+mod entity;
+
+pub use lazy_supplements::error;
+pub use lazy_supplements::global;
+
+#[cfg(test)]
+pub mod tests {
+    use sea_orm::DatabaseConnection;
+    use sea_orm_migration::MigratorTrait;
+
+    use super::*;
+    pub async fn get_or_init_temporary_database() -> &'static DatabaseConnection {
+        global::GLOBAL.get_or_try_init_temporary_database( |x| async {
+            migration::Migrator::up(&x, None).await?;
+            Ok(x)
+        }).await.unwrap()
+    }
+}
+
+#[tokio::main]
+async fn main() {
+    let args = cli::Cli::parse();
+    println!("{:?}", args);
+}
diff --git a/examples/simple-list/src/migration/m20220101_000002_create_simple_list_tables.rs b/examples/simple-list/src/migration/m20220101_000002_create_simple_list_tables.rs
new file mode 100644
index 0000000..e3dafaf
--- /dev/null
+++ b/examples/simple-list/src/migration/m20220101_000002_create_simple_list_tables.rs
@@ -0,0 +1,50 @@
+use sea_orm_migration::{prelude::*, schema::*};
+
+use lazy_supplements_migration::TableMigration;
+
+#[derive(DeriveMigrationName)]
+pub struct Migration;
+
+#[async_trait::async_trait]
+impl MigrationTrait for Migration {
+    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        ListItem::up(manager).await?;
+        Ok(())
+    }
+
+    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        ListItem::down(manager).await?;
+        Ok(())
+    }
+}
+
+#[derive(DeriveIden)]
+enum ListItem {
+    Table,
+    Id,
+    CreatedAt,
+    UpdatedAt,
+    IsTrashed,
+    Content,
+}
+
+#[async_trait::async_trait]
+impl TableMigration for ListItem {
+    async fn up<'a>(manager: &'a SchemaManager<'a>) -> Result<(), DbErr> {
+        manager.create_table(
+            Table::create()
+                .table(Self::Table)
+                .if_not_exists()
+                .col(pk_uuid(Self::Id))
+                .col(timestamp(Self::CreatedAt))
+                .col(timestamp(Self::UpdatedAt))
+                .col(boolean(Self::IsTrashed))
+                .col(string_len(Self::Content, 255))
+                .to_owned()
+        ).await?;
+        Ok(())
+    }
+    async fn down<'a>(manager: &'a SchemaManager<'a>) -> Result<(), DbErr>{
+        manager.drop_table(Table::drop().table(Self::Table).to_owned()).await
+    }
+}
diff --git a/examples/simple-list/src/migration/mod.rs b/examples/simple-list/src/migration/mod.rs
new file mode 100644
index 0000000..d9fe571
--- /dev/null
+++ b/examples/simple-list/src/migration/mod.rs
@@ -0,0 +1,15 @@
+use sea_orm_migration::{prelude::*, schema::*};
+use lazy_supplements_migration::m20220101_000001_create_lazy_supplements_tables;
+mod m20220101_000002_create_simple_list_tables;
+
+pub struct Migrator;
+
+#[async_trait::async_trait]
+impl MigratorTrait for Migrator {
+    fn migrations() -> Vec<Box<dyn MigrationTrait>> {
+        vec![
+            Box::new(m20220101_000002_create_simple_list_tables::Migration),
+            Box::new(m20220101_000001_create_lazy_supplements_tables::Migration)
+        ]
+    }
+}
diff --git a/examples/timestamper/Cargo.toml b/examples/timestamper/Cargo.toml
deleted file mode 100644
index 8a40a3e..0000000
--- a/examples/timestamper/Cargo.toml
+++ /dev/null
@@ -1,10 +0,0 @@
-[package]
-name = "timestamper"
-edition.workspace = true
-version.workspace = true
-description.workspace = true
-license.workspace = true
-repository.workspace = true
-
-[dependencies]
-lazy-supplements.workspace = true
\ No newline at end of file
diff --git a/examples/timestamper/src/main.rs b/examples/timestamper/src/main.rs
deleted file mode 100644
index e7a11a9..0000000
--- a/examples/timestamper/src/main.rs
+++ /dev/null
@@ -1,3 +0,0 @@
-fn main() {
-    println!("Hello, world!");
-}
diff --git a/lazy-supplements/src/global/mod.rs b/lazy-supplements/src/global/mod.rs
index 0de3e9d..b9c6945 100644
--- a/lazy-supplements/src/global/mod.rs
+++ b/lazy-supplements/src/global/mod.rs
@@ -13,5 +13,5 @@ pub struct Global {
     database: OnceCell<DatabaseConnection>,
 }
 
-#[cfg(any(test, feature="test"))]
+#[cfg(test)]
 pub use database::tests::get_or_init_temporary_database;
\ No newline at end of file