diff --git a/backend/database/migrations/20241128075611_init.sql b/backend/database/migrations/20241128075611_init.sql
index b9c449e..583a260 100644
--- a/backend/database/migrations/20241128075611_init.sql
+++ b/backend/database/migrations/20241128075611_init.sql
@@ -1,9 +1,122 @@
 -- +goose Up
 -- +goose StatementBegin
-SELECT 'up SQL query';
+-- table users
+CREATE TABLE
+    users (
+        id SERIAL8 PRIMARY KEY,
+        open_id VARCHAR(128) NOT NULL,
+        union_id VARCHAR(128),
+        oauth jsonb ,
+        expire_in timestamp NOT NULL,
+        created_at timestamp NOT NULL,
+        updated_at timestamp NOT NULL
+    );
+
+CREATE INDEX idx_users_open_id ON users (open_id);
+
+CREATE INDEX idx_users_union_id ON users (union_id);
+
+-- table tenants
+CREATE TABLE
+    tenants (
+        id SERIAL8 PRIMARY KEY,
+        name VARCHAR(128) NOT NULL,
+        slug VARCHAR(128) NOT NULL,
+        description VARCHAR(128),
+        expire_at timestamp NOT NULL,
+        created_at timestamp NOT NULL,
+        updated_at timestamp NOT NULL
+    );
+
+-- table users_tenants
+CREATE TABLE
+    users_tenants (
+        id SERIAL8 PRIMARY KEY,
+        user_id INT8 NOT NULL,
+        tenant_id INT8 NOT NULL,
+        created_at timestamp NOT NULL
+    );
+
+CREATE INDEX idx_users_tenants_user_id ON users_tenants (user_id);
+CREATE INDEX idx_users_tenants_tenant_id ON users_tenants (tenant_id);
+
+CREATE TABLE tenant_user_balances (
+    id SERIAL8 PRIMARY KEY,
+    user_id INT8 NOT NULL,
+    tenant_id INT8 NOT NULL,
+    balance INT8 NOT NULL
+);
+
+CREATE INDEX idx_tenant_user_balance_user_id ON tenant_user_balances (user_id);
+CREATE INDEX idx_tenant_user_balance_tenant_id ON tenant_user_balances (tenant_id);
+
+-- table user_balance_history
+CREATE TABLE user_balance_histories (
+    id SERIAL8 PRIMARY KEY,
+    user_id INT8 NOT NULL,
+    tenant_id INT8 NOT NULL,
+    balance INT8 NOT NULL,
+    target jsonb ,
+    type VARCHAR(128) NOT NULL, -- charge, consume, refund
+    created_at timestamp NOT NULL
+);
+CREATE INDEX idx_user_balance_histories_user_id ON user_balance_histories (user_id);
+CREATE INDEX idx_user_balance_histories_tenant_id ON user_balance_histories (tenant_id);
+
+-- medias
+CREATE TABLE
+    medias (
+        id SERIAL8 PRIMARY KEY,
+        tenant_id INT8 NOT NULL,
+        title VARCHAR(198) NOT NULL,
+        description VARCHAR(198) NOT NULL,
+        price INT8 NOT NULL,
+        discount INT8 NOT NULL,
+        publish BOOL NOT NULL,
+        created_at timestamp NOT NULL,
+        updated_at timestamp NOT NULL
+    );
+
+CREATE INDEX idx_medias_tenant_id ON medias (tenant_id);
+
+CREATE INDEX idx_medias_title ON medias (title);
+
+CREATE TABLE
+    media_resources (
+        id SERIAL8 PRIMARY KEY,
+        media_id INT8 NOT NULL,
+        type VARCHAR(128) NOT NULL,
+        source jsonb ,
+        size INT8 NOT NULL,
+        publish BOOL NOT NULL,
+        created_at timestamp NOT NULL,
+        updated_at timestamp NOT NULL
+    );
+
+CREATE INDEX idx_media_resources_media_id ON media_resources (media_id);
+
+CREATE TABLE user_medias (
+    id SERIAL8 PRIMARY KEY,
+    user_id INT8 NOT NULL,
+    tenant_id INT8 NOT NULL,
+    media_id INT8 NOT NULL,
+    price INT8 NOT NULL,
+    created_at timestamp NOT NULL
+);
+
+CREATE INDEX idx_user_medias_user_id ON user_medias (user_id);
+CREATE INDEX idx_user_medias_tenant_id ON user_medias (tenant_id);
+
 -- +goose StatementEnd
 
 -- +goose Down
 -- +goose StatementBegin
-SELECT 'down SQL query';
+DROP TABLE users;
+DROP TABLE tenants;
+DROP TABLE users_tenants;
+DROP TABLE tenant_user_balances;
+DROP TABLE user_balance_histories;
+DROP TABLE medias;
+DROP TABLE media_resources;
+DROP TABLE user_medias;
 -- +goose StatementEnd