diff --git a/backend/sql/08_trade.sql b/backend/sql/08_trade.sql
index a58d80e..d5b6429 100644
--- a/backend/sql/08_trade.sql
+++ b/backend/sql/08_trade.sql
@@ -195,6 +195,29 @@ BEGIN
     ELSE
         RAISE NOTICE '🔟⏩ close_fee 子表已存在，跳过';
     END IF;
+
+    -- profit 子表
+    IF NOT EXISTS (SELECT 1 FROM information_schema.tables WHERE table_name = 'trade_profit') THEN
+        CREATE TABLE profit (
+            id UUID DEFAULT gen_random_uuid() PRIMARY KEY,
+            trade_id UUID NOT NULL,
+            variety_tick NUMERIC(12,6) NOT NULL DEFAULT 0.00,
+            variety_tick_price NUMERIC(12,6) NOT NULL CHECK (variety_tick_price >= 0.00) DEFAULT 0.00,
+            win_tick NUMERIC(12,6) NOT NULL DEFAULT 0.00,
+            win_tick_price NUMERIC(12,6) NOT NULL DEFAULT 0.00,
+            fee_cost NUMERIC(12,6) NOT NULL DEFAULT 0.00,
+            trade_win NUMERIC(12,6) NOT NULL DEFAULT 0.00,
+            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_profit_updated_at
+            BEFORE UPDATE ON profit
+            FOR EACH ROW EXECUTE FUNCTION update_data_modified_column();
+        RAISE NOTICE '1️⃣1️⃣✅ profit 子表已创建';
+    ELSE
+        RAISE NOTICE '1️⃣1️⃣⏩ profit 子表已存在，跳过';
+    END IF;
 END $$;
 
 -- 4️⃣ 视图 ------------------------------------
diff --git a/backend/提示词条.md b/backend/提示词条.md
index 3ff14c4..dd0d836 100644
--- a/backend/提示词条.md
+++ b/backend/提示词条.md
@@ -52,7 +52,7 @@ updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
 读取./sql/08_trade.sql，然后多加一个子表，子表名叫trade_open_price，子表逻辑字段为:
 id UUID DEFAULT gen_random_uuid() PRIMARY KEY，
 trade_id UUID NOT NULL,
-open_price numeric(10,2) NOT NULL CHECK (price >= 0.00) DEFAULT 0.00,
+open_price NUMERIC(10,2) NOT NULL CHECK (price >= 0.00) DEFAULT 0.00,
 deleted BOOLEAN NOT NULL DEFAULT FALSE,
 created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
 updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
@@ -60,7 +60,7 @@ updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
 读取./sql/08_trade.sql，然后多加一个子表，子表名叫trade_open_fee，子表逻辑字段为:
 id UUID DEFAULT gen_random_uuid() PRIMARY KEY，
 trade_id UUID NOT NULL,
-open_fee numeric(10,2) NOT NULL CHECK (price >= 0.00) DEFAULT 0.00,
+open_fee NUMERIC(10,2) NOT NULL CHECK (price >= 0.00) DEFAULT 0.00,
 deleted BOOLEAN NOT NULL DEFAULT FALSE,
 created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
 updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
@@ -78,7 +78,7 @@ updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
 读取./sql/08_trade.sql，然后多加一个子表，子表名叫trade_close_price，子表逻辑字段为:
 id UUID DEFAULT gen_random_uuid() PRIMARY KEY，
 trade_id UUID NOT NULL,
-close_price numeric(10,2) NOT NULL CHECK (price >= 0.00) DEFAULT 0.00,
+close_price NUMERIC(10,2) NOT NULL CHECK (price >= 0.00) DEFAULT 0.00,
 deleted BOOLEAN NOT NULL DEFAULT FALSE,
 created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
 updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
@@ -88,10 +88,23 @@ updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
 读取./sql/08_trade.sql，然后多加一个子表，子表名叫trade_close_fee，子表逻辑字段为:
 id UUID DEFAULT gen_random_uuid() PRIMARY KEY，
 trade_id UUID NOT NULL,
-close_fee numeric(10,2) NOT NULL CHECK (price >= 0.00) DEFAULT 0.00,
+close_fee NUMERIC(10,2) NOT NULL CHECK (close_fee >= 0.00) DEFAULT 0.00,
 deleted BOOLEAN NOT NULL DEFAULT FALSE,
 created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
 updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
 ---
 读取./sql/08_trade.sql，完善trade_info_view视图逻辑，加入trade_close_fee信息。
----
\ No newline at end of file
+---
+读取./sql/08_trade.sql，然后多加一个子表，子表名叫trade_profit，子表逻辑字段为:
+id UUID DEFAULT gen_random_uuid() PRIMARY KEY，
+trade_id UUID NOT NULL,
+variety_tick NUMERIC(12,6) NOT NULL DEFAULT 0.00,
+variety_tick_price NUMERIC(12,6) NOT NULL CHECK (variety_tick_price >= 0.00) DEFAULT 0.00,
+win_tick NUMERIC(12,6) NOT NULL DEFAULT 0.00,
+win_tick_price NUMERIC(12,6) NOT NULL DEFAULT 0.00,
+fee_cost NUMERIC(12,6) NOT NULL DEFAULT 0.00,
+trade_win NUMERIC(12,6) NOT NULL DEFAULT 0.00,
+deleted BOOLEAN NOT NULL DEFAULT FALSE,
+created_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP,
+updated_at TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP
+---