diff --git a/actions/changes.go b/actions/changes.go
index bcdcf54..c2ff592 100644
--- a/actions/changes.go
+++ b/actions/changes.go
@@ -6,7 +6,7 @@ import (
 	"gorm.io/gorm"
 )
 
-func RecordChange(tx *gorm.DB, changes []model.Change) error {
+func RecordChangeEdges(tx *gorm.DB, changes []model.ChangeEdge) error {
 	if len(changes) == 0 {
 		return nil
 	}
@@ -22,3 +22,7 @@ func RecordChange(tx *gorm.DB, changes []model.Change) error {
 	}
 	return nil
 }
+
+func RecordChangeCity(tx *gorm.DB, change model.ChangeCity) error {
+	return tx.Create(&change).Error
+}
diff --git a/actions/update.go b/actions/update.go
index 7c28771..37b1b6e 100644
--- a/actions/update.go
+++ b/actions/update.go
@@ -68,7 +68,7 @@ func update(tx *gorm.DB, arg UpdateArgs) error {
 
 		// 如果每个网关在此城市都有节点且无需改变，就不需要重新分配节点
 		// 相当于直接重新提交配置，此流程下配置更新是幂等的
-		var gateways2Update []model.Gateway
+		var gateways2Change []model.Gateway
 		for _, gateway := range gateways {
 			oldConfig, exists := oldConfigsMap[gateway][city.Hash]
 			if exists && oldConfig.IsChange != 1 {
@@ -80,17 +80,17 @@ func update(tx *gorm.DB, arg UpdateArgs) error {
 					},
 				}
 			} else {
-				gateways2Update = append(gateways2Update, gateway)
+				gateways2Change = append(gateways2Change, gateway)
 			}
 		}
-		if len(gateways2Update) == 0 {
+
+		count := len(gateways2Change)
+		if len(gateways2Change) == 0 {
 			continue
 		}
 
 		// 否则获取足量新节点
 		offset := city.Offset
-		count := len(gateways2Update)
-
 		if count > city.EdgesCount {
 			slog.Warn(fmt.Sprintf("城市节点数量不足，跳过本次更新，城市：%s，节点数：%d，网关数：%d", city.Name, city.EdgesCount, count))
 			continue
@@ -113,9 +113,9 @@ func update(tx *gorm.DB, arg UpdateArgs) error {
 		// 更新网关配置
 		var configs2Create []model.Config
 		var configs2Update []model.ConfigUpdate
-		var changes []model.Change
+		var changes []model.ChangeEdge
 
-		for iGateway, gateway := range gateways2Update {
+		for iGateway, gateway := range gateways2Change {
 
 			oldConfig, exists := oldConfigsMap[gateway][city.Hash]
 			newConfig := edges[iGateway]
@@ -129,8 +129,9 @@ func update(tx *gorm.DB, arg UpdateArgs) error {
 					IsChange: u.P(0),
 				})
 
-				changes = append(changes, model.Change{
+				changes = append(changes, model.ChangeEdge{
 					Time:    now,
+					CityId:  city.Id,
 					Gateway: gateway.Macaddr,
 					OldEdge: oldConfig.Macaddr,
 					NewEdge: newConfig.Macaddr,
@@ -157,8 +158,9 @@ func update(tx *gorm.DB, arg UpdateArgs) error {
 					InnerIp:    fmt.Sprintf("172.16.%d.%d", gateway.Id, iCity+2),
 				})
 
-				changes = append(changes, model.Change{
+				changes = append(changes, model.ChangeEdge{
 					Time:    now,
+					CityId:  city.Id,
 					Gateway: gateway.Macaddr,
 					OldEdge: "",
 					NewEdge: newConfig.Macaddr,
@@ -186,9 +188,20 @@ func update(tx *gorm.DB, arg UpdateArgs) error {
 		if err != nil {
 			return fmt.Errorf("更新城市 %s 的偏移量失败：%w", city.Name, err)
 		}
-		err = RecordChange(tx, changes)
+
+		err = RecordChangeCity(tx, model.ChangeCity{
+			Time:      now,
+			CityId:    city.Id,
+			Count:     count,
+			OffsetOld: city.Offset,
+			OffsetNew: offset,
+		})
 		if err != nil {
-			return fmt.Errorf("记录变更失败：%w", err)
+			return fmt.Errorf("记录城市变更失败：%w", err)
+		}
+		err = RecordChangeEdges(tx, changes)
+		if err != nil {
+			return fmt.Errorf("记录节点变更失败：%w", err)
 		}
 	}
 
diff --git a/cmd/test.go b/cmd/test.go
index bd106b6..c88420c 100644
--- a/cmd/test.go
+++ b/cmd/test.go
@@ -26,9 +26,9 @@ func main() {
 	defer clients.CloseRedis()
 
 	// 测试功能
-	// actions.Update(actions.UpdateArgs{
-	// 	Mock: true,
-	// })
+	actions.Update(actions.UpdateArgs{
+		Mock: true,
+	})
 
-	actions.Sync()
+	// actions.Sync()
 }
diff --git a/model/change-city.go b/model/change-city.go
new file mode 100644
index 0000000..e0866f6
--- /dev/null
+++ b/model/change-city.go
@@ -0,0 +1,16 @@
+package model
+
+import "time"
+
+type ChangeCity struct {
+	Id        int       `gorm:"column:id;primaryKey"`
+	Time      time.Time `gorm:"column:time"`
+	CityId    int       `gorm:"column:city_id"`
+	Count     int       `gorm:"column:count"`
+	OffsetOld int       `gorm:"column:offset_old"`
+	OffsetNew int       `gorm:"column:offset_new"`
+}
+
+func (ChangeCity) TableName() string {
+	return "change_city"
+}
diff --git a/model/change.go b/model/change-edge.go
similarity index 77%
rename from model/change.go
rename to model/change-edge.go
index 7b94c6b..3561241 100644
--- a/model/change.go
+++ b/model/change-edge.go
@@ -2,9 +2,10 @@ package model
 
 import "time"
 
-type Change struct {
+type ChangeEdge struct {
 	Id      int       `gorm:"column:id;primaryKey"`
 	Time    time.Time `gorm:"column:time"`
+	CityId  int       `gorm:"column:city"`
 	Gateway string    `gorm:"column:macaddr"`
 	OldEdge string    `gorm:"column:edge_old"`
 	NewEdge string    `gorm:"column:edge_new"`
@@ -12,6 +13,6 @@ type Change struct {
 	Info    string    `gorm:"column:info"`
 }
 
-func (Change) TableName() string {
+func (ChangeEdge) TableName() string {
 	return "change"
 }