diff --git a/apps/rule/api/rulechain.go b/apps/rule/api/rulechain.go
index 51e95a2..9e0dbc7 100644
--- a/apps/rule/api/rulechain.go
+++ b/apps/rule/api/rulechain.go
@@ -114,7 +114,8 @@ func (p *RuleChainApi) UpdateRuleRoot(rc *restfulx.ReqCtx) {
 	var rule entity.RuleChain
 	restfulx.BindJsonAndValid(rc, &rule)
 	// 修改主链为普通链
-	p.RuleChainApp.UpdateByRoot()
+	err := p.RuleChainApp.UpdateByRoot()
+	biz.ErrIsNil(err, "修改主链错误")
 	// 修改当前链为主链
 	p.RuleChainApp.Update(rule)
 }
diff --git a/apps/rule/services/rulechain.go b/apps/rule/services/rulechain.go
index 2a6404b..ff7106b 100644
--- a/apps/rule/services/rulechain.go
+++ b/apps/rule/services/rulechain.go
@@ -19,7 +19,7 @@ type (
 		Insert(data entity.RuleChain) *entity.RuleChain
 		FindOne(id string) *entity.RuleChain
 		FindOneByRoot() *entity.RuleChain
-		UpdateByRoot()
+		UpdateByRoot() error
 		FindListPage(page, pageSize int, data entity.RuleChain) (*[]entity.RuleChainBase, int64)
 		FindList(data entity.RuleChain) *[]entity.RuleChain
 		FindListBaseLabel(data entity.RuleChain) *[]entity.RuleChainBaseLabel
@@ -37,8 +37,18 @@ var RuleChainModelDao RuleChainModel = &ruleChainModelImpl{
 }
 
 func (m *ruleChainModelImpl) Insert(data entity.RuleChain) *entity.RuleChain {
+	tx := global.Db.Begin()
+	// 如果新增的链为主链，那么将原来的设置为普通连
+	if data.Root == "1" {
+		err := m.UpdateByRoot()
+		biz.ErrIsNil(err, "修改主链错误")
+	}
 	err := global.Db.Table(m.table).Create(&data).Error
+	if err != nil {
+		tx.Rollback()
+	}
 	biz.ErrIsNil(err, "添加规则链失败")
+	tx.Commit()
 	return &data
 }
 
@@ -60,8 +70,9 @@ func (m *ruleChainModelImpl) FindOneByRoot() *entity.RuleChain {
 }
 
 // UpdateByRoot 修改主链为普通链
-func (m *ruleChainModelImpl) UpdateByRoot() {
-	biz.ErrIsNil(global.Db.Table(m.table).Where("root = ?", "1").Update("root", "0").Error, "修改规则链失败")
+func (m *ruleChainModelImpl) UpdateByRoot() error {
+	tx := global.Db.Table(m.table).Where("root = ?", "1").Update("root", "0")
+	return tx.Error
 }
 
 func (m *ruleChainModelImpl) FindListPage(page, pageSize int, data entity.RuleChain) (*[]entity.RuleChainBase, int64) {
@@ -114,11 +125,22 @@ func (m *ruleChainModelImpl) FindListBaseLabel(data entity.RuleChain) *[]entity.
 }
 
 func (m *ruleChainModelImpl) Update(data entity.RuleChain) *entity.RuleChain {
+	tx := global.Db.Begin()
+	// 如果新增的链为主链，那么将原来的设置为普通连
+	if data.Root == "1" {
+		err := m.UpdateByRoot()
+		biz.ErrIsNil(err, "修改主链错误")
+	}
+	err := global.Db.Table(m.table).Updates(&data).Error
+	if err != nil {
+		tx.Rollback()
+	}
+	biz.ErrIsNil(err, "修改规则链失败")
+	tx.Commit()
 	//更改本地规则链缓存
 	if data.RuleDataJson != "" {
 		go global.EventEmitter.Emit(events.ProductChainRuleEvent, data.Id, data.RuleDataJson)
 	}
-	biz.ErrIsNil(global.Db.Table(m.table).Updates(&data).Error, "修改规则链失败")
 	return &data
 }