diff --git a/pkg/service/bundle/bundleOrder.go b/pkg/service/bundle/bundleOrder.go
index 3813d38..be5ea12 100644
--- a/pkg/service/bundle/bundleOrder.go
+++ b/pkg/service/bundle/bundleOrder.go
@@ -7,6 +7,7 @@ import (
 	"fonchain-fiee/api/accountFiee"
 	"fonchain-fiee/api/bundle"
 	"fonchain-fiee/api/order"
+	"fonchain-fiee/pkg/cache"
 	"fonchain-fiee/pkg/model/login"
 	"fonchain-fiee/pkg/service"
 	"fonchain-fiee/pkg/service/bundle/common"
@@ -213,6 +214,14 @@ func CreateBundleOrderSignature(c *gin.Context) {
 		return
 	}
 
+	// Redis 防重复提交：同一用户5秒内只能提交一次订单
+	lockKey := fmt.Sprintf("create_bundle_order_%d", userInfo.ID)
+	reply := cache.RedisClient.SetNX(lockKey, 1, 5*time.Second)
+	if !reply.Val() {
+		service.Error(c, errors.New("请勿重复提交订单，请稍后再试"))
+		return
+	}
+
 	// 校验套餐是否已购买
 	if err := logic.CheckUserOrder(userInfo.ID); err != nil {
 		service.Error(c, err)