diff --git a/backend/futures_trade_record/sql/03_create_open_table.sql b/backend/futures_trade_record/sql/03_create_open_table.sql
index cb1905a..3d39a38 100644
--- a/backend/futures_trade_record/sql/03_create_open_table.sql
+++ b/backend/futures_trade_record/sql/03_create_open_table.sql
@@ -30,7 +30,7 @@ BEGIN
         FOR EACH ROW
         EXECUTE FUNCTION update_open_modified_column();
         
-        RAISE NOTICE 'Created open table and trigger';
+        RAISE NOTICE 'created open table and trigger';
     ELSE
         RAISE NOTICE 'open table already exists';
     END IF;
diff --git a/backend/futures_trade_record/sql/04_create_close_table.sql b/backend/futures_trade_record/sql/04_create_close_table.sql
new file mode 100644
index 0000000..065a05e
--- /dev/null
+++ b/backend/futures_trade_record/sql/04_create_close_table.sql
@@ -0,0 +1,37 @@
+-- 切换到目标数据库
+\c postgres;
+
+CREATE OR REPLACE FUNCTION update_close_modified_column()
+RETURNS TRIGGER AS $$
+BEGIN
+    NEW.updated_at = CURRENT_TIMESTAMP;
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql VOLATILE;
+
+DO $$
+BEGIN
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_close = 'close') THEN
+        CREATE TABLE close (
+            id UUID DEFAULT gen_random_uuid_v7() PRIMARY KEY NOT NULL,
+            record_id UUID NOT NULL,
+            year INT NOT NULL,
+            month INT NOT NULL,
+            day INT NOT NULL,
+            variety_id VARCHAR(50) NOT NULL,  -- 品种id
+            contract VARCHAR(50) NOT NULL, -- 合约（如：2401）
+            direction VARCHAR(20) NOT NULL CHECK (direction IN ('多', '空')), -- 限制合法方向
+            deleted BOOLEAN NOT NULL DEFAULT FALSE,
+            created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+            updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+        );
+        CREATE TRIGGER update_close_updated_at
+        BEFORE UPDATE ON "close"
+        FOR EACH ROW
+        EXECUTE FUNCTION update_close_modified_column();
+        
+        RAISE NOTICE 'created close table and trigger';
+    ELSE
+        RAISE NOTICE 'close table already exists';
+    END IF;
+END $$;
\ No newline at end of file