diff --git a/bak.md b/bak.md
new file mode 100644
index 0000000..5255563
--- /dev/null
+++ b/bak.md
@@ -0,0 +1,85 @@
+-- =========================================================
+-- trading_records.sql  (PostgreSQL 17.4+)
+-- =========================================================
+\pset pager off
+\timing on
+-- 切换到目标数据库
+\c postgres;
+
+-- 1 保证扩展存在（重复执行无害）
+CREATE EXTENSION IF NOT EXISTS "moddatetime" SCHEMA public;
+
+DO $$
+BEGIN
+    RAISE NOTICE '🚀============ trading_records 部署开始 ============🚀';
+END $$;
+
+-- 2 建表（幂等）
+DO $$
+BEGIN
+    IF NOT EXISTS (
+        SELECT 1
+        FROM information_schema.tables
+        WHERE table_schema = 'public'
+          AND table_name   = 'trading_records'
+    ) THEN
+        CREATE TABLE trading_records (
+            id            UUID DEFAULT gen_random_uuid() PRIMARY KEY,  -- id
+            open_year     SMALLINT NOT NULL,                          -- 开仓时间-年
+            open_month    SMALLINT NOT NULL CHECK (open_month BETWEEN 1 AND 12), -- 开仓时间-月
+            open_day      SMALLINT NOT NULL CHECK (open_day BETWEEN 1 AND 31),   -- 开仓时间-日
+            symbol        VARCHAR(32) NOT NULL,                       -- 品种
+            contract      VARCHAR(32) NOT NULL,                       -- 合约
+            direction     VARCHAR(4)  NOT NULL CHECK (direction IN ('多','空')), -- 方向
+            open_price    NUMERIC(18,8) NOT NULL,                     -- 开仓价格
+            open_fee      NUMERIC(18,8) NOT NULL,                     -- 开仓手续费
+            close_year    SMALLINT,                                   -- 平仓时间-年
+            close_month   SMALLINT CHECK (close_month BETWEEN 1 AND 12), -- 平仓时间-月
+            close_day     SMALLINT CHECK (close_day BETWEEN 1 AND 31),   -- 平仓时间-日
+            close_price   NUMERIC(18,8),                              -- 平仓价格
+            close_fee     NUMERIC(18,8),                              -- 平仓手续费
+            close_diff    NUMERIC(18,8),                              -- 平仓差价
+            tick_price    NUMERIC(18,8),                              -- 跳点价格
+            diff_pnl      NUMERIC(18,8),                              -- 差价盈亏
+            total_fee     NUMERIC(18,8),                              -- 手续费
+            close_pnl     NUMERIC(18,8),                              -- 平仓盈亏
+            deleted       BOOLEAN NOT NULL DEFAULT FALSE,             -- 删除状态
+            created_at    TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP, -- 记录创建时间
+            updated_at    TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP  -- 记录修改时间
+        );
+
+        -- 3 触发器：自动刷新 updated_at
+        CREATE TRIGGER trg_trading_records_updated_at
+            BEFORE UPDATE ON trading_records
+            FOR EACH ROW
+            EXECUTE FUNCTION moddatetime(updated_at);
+
+        RAISE NOTICE 'trading_records 表已创建';
+    ELSE
+        RAISE NOTICE 'trading_records 表已存在，跳过';
+    END IF;
+END $$;
+
+-- 4 索引（幂等）
+CREATE INDEX IF NOT EXISTS idx_trd_open_ym
+    ON trading_records (open_year, open_month);
+
+CREATE INDEX IF NOT EXISTS idx_trd_close_ym
+    ON trading_records (close_year, close_month)
+    WHERE close_year IS NOT NULL;
+
+CREATE INDEX IF NOT EXISTS idx_trd_symbol_contract
+    ON trading_records (symbol, contract);
+
+CREATE INDEX IF NOT EXISTS idx_trd_deleted_updated
+    ON trading_records (deleted, updated_at DESC);
+
+DO $$
+BEGIN
+    RAISE NOTICE '全部索引已确保存在';
+END $$;
+
+DO $$
+BEGIN
+    RAISE NOTICE '============ trading_records 部署完成 ============';
+END $$;
\ No newline at end of file
diff --git a/infra/postgres/sql/03_trading_records.sql b/infra/postgres/sql/03_trading_records.sql
index 5255563..5bd3a6b 100644
--- a/infra/postgres/sql/03_trading_records.sql
+++ b/infra/postgres/sql/03_trading_records.sql
@@ -24,26 +24,10 @@ BEGIN
           AND table_name   = 'trading_records'
     ) THEN
         CREATE TABLE trading_records (
-            id            UUID DEFAULT gen_random_uuid() PRIMARY KEY,  -- id
-            open_year     SMALLINT NOT NULL,                          -- 开仓时间-年
-            open_month    SMALLINT NOT NULL CHECK (open_month BETWEEN 1 AND 12), -- 开仓时间-月
-            open_day      SMALLINT NOT NULL CHECK (open_day BETWEEN 1 AND 31),   -- 开仓时间-日
-            symbol        VARCHAR(32) NOT NULL,                       -- 品种
-            contract      VARCHAR(32) NOT NULL,                       -- 合约
-            direction     VARCHAR(4)  NOT NULL CHECK (direction IN ('多','空')), -- 方向
-            open_price    NUMERIC(18,8) NOT NULL,                     -- 开仓价格
-            open_fee      NUMERIC(18,8) NOT NULL,                     -- 开仓手续费
-            close_year    SMALLINT,                                   -- 平仓时间-年
-            close_month   SMALLINT CHECK (close_month BETWEEN 1 AND 12), -- 平仓时间-月
-            close_day     SMALLINT CHECK (close_day BETWEEN 1 AND 31),   -- 平仓时间-日
-            close_price   NUMERIC(18,8),                              -- 平仓价格
-            close_fee     NUMERIC(18,8),                              -- 平仓手续费
-            close_diff    NUMERIC(18,8),                              -- 平仓差价
-            tick_price    NUMERIC(18,8),                              -- 跳点价格
-            diff_pnl      NUMERIC(18,8),                              -- 差价盈亏
-            total_fee     NUMERIC(18,8),                              -- 手续费
-            close_pnl     NUMERIC(18,8),                              -- 平仓盈亏
-            deleted       BOOLEAN NOT NULL DEFAULT FALSE,             -- 删除状态
+            id            UUID DEFAULT gen_random_uuid() PRIMARY KEY,     -- id
+            event_type    VARCHAR(40) NOT NULL,                           -- 事件名称
+            payload       JSONB       NOT NULL,                           -- 数据。
+            deleted       BOOLEAN NOT NULL DEFAULT FALSE,                 -- 删除状态
             created_at    TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP, -- 记录创建时间
             updated_at    TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP  -- 记录修改时间
         );