diff --git a/common/sale-ratio.go b/common/sale-ratio.go
new file mode 100644
index 00000000..671d6eda
--- /dev/null
+++ b/common/sale-ratio.go
@@ -0,0 +1,26 @@
+package common
+
+import "encoding/json"
+
+var SaleRatio = map[string]float64{}
+
+func SaleRatio2JSONString() string {
+	jsonBytes, err := json.Marshal(SaleRatio)
+	if err != nil {
+		SysError("error marshalling model ratio: " + err.Error())
+	}
+	return string(jsonBytes)
+}
+
+func UpdateSaleRatioByJSONString(jsonStr string) error {
+	GroupRatio = make(map[string]float64)
+	return json.Unmarshal([]byte(jsonStr), &SaleRatio)
+}
+
+func GetSaleRatio(name string) float64 {
+	ratio, ok := SaleRatio[name]
+	if !ok {
+		return 0
+	}
+	return ratio
+}
diff --git a/i18n/en.json b/i18n/en.json
index b0deb83a..1a178e35 100644
--- a/i18n/en.json
+++ b/i18n/en.json
@@ -226,6 +226,7 @@
   "键为模型名称": "Key is model name",
   "值为倍率": "Value is the rate",
   "分组倍率": "Group rate",
+  "分销倍率": "Sale rate",
   "键为分组名称": "Key is group name",
   "保存倍率设置": "Save Rate Settings",
   "已是最新版本": "Is the latest version",
diff --git a/model/log.go b/model/log.go
index 3d3ffae3..2fbd7945 100644
--- a/model/log.go
+++ b/model/log.go
@@ -28,6 +28,7 @@ const (
 	LogTypeConsume
 	LogTypeManage
 	LogTypeSystem
+	LogTypeSale
 )
 
 func RecordLog(userId int, logType int, content string) {
diff --git a/model/option.go b/model/option.go
index bb8b709c..694f4d4b 100644
--- a/model/option.go
+++ b/model/option.go
@@ -68,6 +68,7 @@ func InitOptionMap() {
 	common.OptionMap["PreConsumedQuota"] = strconv.Itoa(common.PreConsumedQuota)
 	common.OptionMap["ModelRatio"] = common.ModelRatio2JSONString()
 	common.OptionMap["GroupRatio"] = common.GroupRatio2JSONString()
+	common.OptionMap["SaleRatio"] = common.SaleRatio2JSONString()
 	common.OptionMap["TopUpLink"] = common.TopUpLink
 	common.OptionMap["ChatLink"] = common.ChatLink
 	common.OptionMap["QuotaPerUnit"] = strconv.FormatFloat(common.QuotaPerUnit, 'f', -1, 64)
@@ -212,6 +213,8 @@ func updateOptionMap(key string, value string) (err error) {
 		err = common.UpdateModelRatioByJSONString(value)
 	case "GroupRatio":
 		err = common.UpdateGroupRatioByJSONString(value)
+	case "SaleRatio":
+		err = common.UpdateSaleRatioByJSONString(value)
 	case "TopUpLink":
 		common.TopUpLink = value
 	case "ChatLink":
diff --git a/model/redemption.go b/model/redemption.go
index f16412b5..e9e2a7c6 100644
--- a/model/redemption.go
+++ b/model/redemption.go
@@ -54,7 +54,12 @@ func Redeem(key string, userId int) (quota int, err error) {
 	if common.UsingPostgreSQL {
 		keyCol = `"key"`
 	}
-
+	//获取用户分组
+	user, err := GetUserById(userId, false)
+	if err != nil {
+		return 0, err
+	}
+	extendQuota := common.LogQuota(int(float64(redemption.Quota) * common.GetSaleRatio(user.Group)))
 	err = DB.Transaction(func(tx *gorm.DB) error {
 		err := tx.Set("gorm:query_option", "FOR UPDATE").Where(keyCol+" = ?", key).First(redemption).Error
 		if err != nil {
@@ -70,12 +75,22 @@ func Redeem(key string, userId int) (quota int, err error) {
 		redemption.RedeemedTime = common.GetTimestamp()
 		redemption.Status = common.RedemptionCodeStatusUsed
 		err = tx.Save(redemption).Error
+		if user.InviterId != 0 {
+			err = tx.Model(&User{}).Where("id = ?", user.InviterId).Update("quota", gorm.Expr("quota + ?", extendQuota)).Error
+			if err != nil {
+				return err
+			}
+		}
+
 		return err
 	})
 	if err != nil {
 		return 0, errors.New("兑换失败，" + err.Error())
 	}
 	RecordLog(userId, LogTypeTopup, fmt.Sprintf("通过兑换码充值 %s", common.LogQuota(redemption.Quota)))
+	if user.InviterId != 0 {
+		RecordLog(user.InviterId, LogTypeSale, fmt.Sprintf("通过分销赠送 %s", extendQuota))
+	}
 	return redemption.Quota, nil
 }
 
diff --git a/web/src/components/LogsTable.js b/web/src/components/LogsTable.js
index e266d79a..d34db6ae 100644
--- a/web/src/components/LogsTable.js
+++ b/web/src/components/LogsTable.js
@@ -36,6 +36,8 @@ function renderType(type) {
       return <Label basic color='orange'> 管理 </Label>;
     case 4:
       return <Label basic color='purple'> 系统 </Label>;
+    case 5:
+      return <Label basic color='green'> 分销 </Label>;
     default:
       return <Label basic color='black'> 未知 </Label>;
   }
diff --git a/web/src/components/OperationSetting.js b/web/src/components/OperationSetting.js
index 3b52bb27..7876cb7d 100644
--- a/web/src/components/OperationSetting.js
+++ b/web/src/components/OperationSetting.js
@@ -12,6 +12,7 @@ const OperationSetting = () => {
     PreConsumedQuota: 0,
     ModelRatio: '',
     GroupRatio: '',
+    SaleRatio: '{}',
     TopUpLink: '',
     ChatLink: '',
     QuotaPerUnit: 0,
@@ -34,7 +35,7 @@ const OperationSetting = () => {
     if (success) {
       let newInputs = {};
       data.forEach((item) => {
-        if (item.key === 'ModelRatio' || item.key === 'GroupRatio') {
+        if (item.key === 'ModelRatio' || item.key === 'GroupRatio' || item.key === 'SaleRatio') {
           item.value = JSON.stringify(JSON.parse(item.value), null, 2);
         }
         newInputs[item.key] = item.value;
@@ -101,6 +102,13 @@ const OperationSetting = () => {
           }
           await updateOption('GroupRatio', inputs.GroupRatio);
         }
+        if (originInputs['SaleRatio'] !== inputs.SaleRatio) {
+          if (!verifyJSON(inputs.SaleRatio)) {
+            showError('分销倍率不是合法的 JSON 字符串');
+            return;
+          }
+          await updateOption('SaleRatio', inputs.SaleRatio);
+        }
         break;
       case 'quota':
         if (originInputs['QuotaForNewUser'] !== inputs.QuotaForNewUser) {
@@ -355,6 +363,17 @@ const OperationSetting = () => {
               placeholder='为一个 JSON 文本，键为分组名称，值为倍率'
             />
           </Form.Group>
+          <Form.Group widths='equal'>
+            <Form.TextArea
+                label='分销倍率'
+                name='SaleRatio'
+                onChange={handleInputChange}
+                style={{ minHeight: 250, fontFamily: 'JetBrains Mono, Consolas' }}
+                autoComplete='new-password'
+                value={inputs.SaleRatio}
+                placeholder='为一个 JSON 文本，键为分组名称，值为分销倍率,如果不设置默认不分销'
+            />
+          </Form.Group>
           <Form.Button onClick={() => {
             submitConfig('ratio').then();
           }}>保存倍率设置</Form.Button>