diff --git a/internal/storage/repository/feed.go b/internal/storage/repository/feed.go
index eae3559..32f95b4 100644
--- a/internal/storage/repository/feed.go
+++ b/internal/storage/repository/feed.go
@@ -79,6 +79,9 @@ func (f *feedPlanRepo) UpdateFeedingPlan(feedingPlan *model.FeedingPlan) error {
 			return err
 		}
 
+		// 清空所有ID，包括子计划和步骤的ID
+		f.clearAllIDs(feedingPlan)
+
 		// 再重新创建更新后的计划
 		if err := f.createFeedingPlanWithTx(tx, feedingPlan); err != nil {
 			return err
@@ -178,3 +181,22 @@ func (f *feedPlanRepo) createFeedingPlanWithTx(tx *gorm.DB, feedingPlan *model.F
 
 	return nil
 }
+
+// clearAllIDs 清空计划及其子计划和步骤的所有ID
+func (f *feedPlanRepo) clearAllIDs(plan *model.FeedingPlan) {
+	// 清空计划ID
+	plan.ID = 0
+
+	// 清空所有步骤的ID和关联的计划ID
+	for i := range plan.Steps {
+		plan.Steps[i].ID = 0
+		plan.Steps[i].PlanID = 0
+	}
+
+	// 清空所有子计划的ID和关联的父计划ID，并递归清空子计划的ID
+	for i := range plan.SubPlans {
+		plan.SubPlans[i].ID = 0
+		plan.SubPlans[i].ParentID = nil
+		f.clearAllIDs(&plan.SubPlans[i])
+	}
+}