diff --git a/actions/submit.go b/actions/submit.go
new file mode 100644
index 0000000..40a0a9a
--- /dev/null
+++ b/actions/submit.go
@@ -0,0 +1,27 @@
+package actions
+
+import (
+	"encoding/json"
+	"fmt"
+	"time"
+	"zzman/clients/jd"
+	"zzman/model"
+)
+
+func RecordSubmit(time time.Time, gatewat model.Gateway, edges []jd.EdgeInfo) error {
+	config, err := json.Marshal(edges)
+	if err != nil {
+		return fmt.Errorf("序列化提交数据失败：%w", err)
+	}
+
+	err = model.DB.Create(&model.Submit{
+		Time:    time,
+		Gateway: gatewat.Macaddr,
+		Config:  string(config),
+	}).Error
+	if err != nil {
+		return fmt.Errorf("保存提交记录失败：%w", err)
+	}
+
+	return nil
+}
diff --git a/actions/update.go b/actions/update.go
index 1f83166..607baa5 100644
--- a/actions/update.go
+++ b/actions/update.go
@@ -70,20 +70,23 @@ func update(tx *gorm.DB, arg UpdateArgs) error {
 	// 查找需要更新的配置
 	oldConfigs := make(map[model.City][]model.Config)
 	newConfigs := make(map[model.Gateway][]ConfigInfo)
+	for _, gateway := range gateways {
+		newConfigs[gateway] = make([]ConfigInfo, 250) // 预分配空间，减少扩容
+	}
 	for _, config := range configs {
 		city := findCity[config.Cityhash]
 		gateway := findGateway[config.GatewayMac]
 		if config.IsChange == 1 {
 			oldConfigs[city] = append(oldConfigs[city], config)
 		} else {
-			newConfigs[gateway] = append(newConfigs[gateway], ConfigInfo{
+			newConfigs[gateway][config.Table-1] = ConfigInfo{
 				Change: false,
 				Remote: jd.EdgeInfo{
 					Mac:     config.EdgeMac,
 					City:    config.Cityhash,
 					Network: config.Network,
 				},
-			})
+			}
 		}
 	}
 
@@ -126,7 +129,7 @@ func update(tx *gorm.DB, arg UpdateArgs) error {
 
 			slog.Debug(fmt.Sprintf("网关配置变更，网关：%s，旧节点：%s，新节点：%s", gateway.Macaddr, config.EdgeMac, edge.Macaddr))
 
-			newConfigs[gateway] = append(newConfigs[gateway], ConfigInfo{
+			newConfigs[gateway][config.Table-1] = ConfigInfo{
 				Change: true,
 				Remote: jd.EdgeInfo{
 					Mac:     edge.Macaddr,
@@ -139,7 +142,7 @@ func update(tx *gorm.DB, arg UpdateArgs) error {
 					IsChange: u.P(0),
 					IsOnline: u.P(1),
 				},
-			})
+			}
 			changesCreate = append(changesCreate, model.Change{
 				Time:    now,
 				CityId:  city.Id,
@@ -199,6 +202,12 @@ func update(tx *gorm.DB, arg UpdateArgs) error {
 			return fmt.Errorf("更新网关 %s 本地配置失败：%w", gateway.Macaddr, err)
 		}
 
+		// 记录提交配置
+		err = RecordSubmit(now, gateway, edges)
+		if err != nil {
+			return fmt.Errorf("记录网关 %s 提交配置失败：%w", gateway.Macaddr, err)
+		}
+
 		// 提交配置到云端：配置版本 gateway.ConfigVersion
 		if !arg.Mock {
 			err := jd.GatewayConfigSet(gateway.ConfigVersion, gateway.Macaddr, edges)
diff --git a/model/config.go b/model/config.go
index 1db16d3..dae8717 100644
--- a/model/config.go
+++ b/model/config.go
@@ -3,7 +3,7 @@ package model
 type Config struct {
 	Id         int    `gorm:"column:id;primaryKey"`
 	GatewayMac string `gorm:"column:macaddr"`
-	Table      string `gorm:"column:table"`
+	Table      int    `gorm:"column:table"`
 	EdgeMac    string `gorm:"column:edge"`
 	Network    string `gorm:"column:network"`
 	Cityhash   string `gorm:"column:cityhash"`
@@ -55,4 +55,4 @@ type ConfigCreate struct {
 
 func (ConfigCreate) TableName() string {
 	return "gateway"
-}
\ No newline at end of file
+}
diff --git a/model/submit.go b/model/submit.go
new file mode 100644
index 0000000..d59bee1
--- /dev/null
+++ b/model/submit.go
@@ -0,0 +1,14 @@
+package model
+
+import "time"
+
+type Submit struct {
+	Id      int       `gorm:"column:id;primaryKey"`
+	Time    time.Time `gorm:"column:time"`
+	Gateway string    `gorm:"column:gateway"`
+	Config  string    `gorm:"column:config"`
+}
+
+func (Submit) TableName() string {
+	return "submit"
+}