diff --git a/services/cn_futures_trading_records/README.md b/services/cn_futures_trading_records/README.md
index 31a4347..e0129c9 100644
--- a/services/cn_futures_trading_records/README.md
+++ b/services/cn_futures_trading_records/README.md
@@ -2,7 +2,6 @@ curl -X POST http://127.0.0.1:20001/cn_futures_trading_record/open \
   -H "Content-Type: application/json" \
   -H "X-TradingRecordsRequest-ID: $(uuidgen)" \
   -d '{
-        "event_type": "futures_trade",
         "payload": {
           "open_year": 2025,
           "open_month": 6,
diff --git a/services/cn_futures_trading_records/src/crud/create.go b/services/cn_futures_trading_records/src/crud/create.go
index d570e5e..d9da5ae 100644
--- a/services/cn_futures_trading_records/src/crud/create.go
+++ b/services/cn_futures_trading_records/src/crud/create.go
@@ -13,7 +13,7 @@ import (
 
 // TradingRecordsCreateRequest 交易记录创建请求参数结构
 type TradingRecordsCreateRequest struct {
-	EventType string `json:"event_type" binding:"required"` // 固定为 "futures_trade"
+	EventType string `json:"event_type"`
 	Payload   struct {
 		OpenYear   int     `json:"open_year"   binding:"required,min=1900,max=2200"` // 开仓时间：年（1900-2200）
 		OpenMonth  int     `json:"open_month"  binding:"required,min=1,max=12"`      // 开仓时间：月（1-12）