diff --git a/backend/futures_trading_record/src/main.go b/backend/futures_trading_record/src/main.go
index c353e15..5417fab 100644
--- a/backend/futures_trading_record/src/main.go
+++ b/backend/futures_trading_record/src/main.go
@@ -4,8 +4,7 @@ import (
 	"futures_trading_record/db"      // 数据库相关操作包
 	"futures_trading_record/logger"  // 日志工具包
 	"futures_trading_record/logic"   // 业务逻辑处理包
-
-	"time"
+	
 	"github.com/gin-contrib/cors"
 	"github.com/gin-gonic/gin" // Gin框架，用于构建HTTP服务
 	_ "github.com/lib/pq"      // PostgreSQL数据库驱动（下划线表示仅初始化不直接使用）