feat: Add Parameters Override

middleware/distributor.go

@@ -212,6 +212,7 @@ func SetupContextForSelectedChannel(c *gin.Context, channel *model.Channel, mode
 	c.Set("channel_name", channel.Name)
 	c.Set("channel_type", channel.Type)
 	c.Set("channel_setting", channel.GetSetting())
+	c.Set("param_override", channel.GetParamOverride())
 	if nil != channel.OpenAIOrganization && "" != *channel.OpenAIOrganization {
 		c.Set("channel_organization", *channel.OpenAIOrganization)
 	}

model/channel.go

@@ -36,6 +36,7 @@ type Channel struct {
 	OtherInfo         string  `json:"other_info"`
 	Tag               *string `json:"tag" gorm:"index"`
 	Setting           *string `json:"setting" gorm:"type:text"`
+	ParamOverride     *string `json:"param_override" gorm:"type:text"`
 }
 
 func (channel *Channel) GetModels() []string {
@@ -511,6 +512,17 @@ func (channel *Channel) SetSetting(setting map[string]interface{}) {
 	channel.Setting = common.GetPointer[string](string(settingBytes))
 }
 
+func (channel *Channel) GetParamOverride() map[string]interface{} {
+	paramOverride := make(map[string]interface{})
+	if channel.ParamOverride != nil && *channel.ParamOverride != "" {
+		err := json.Unmarshal([]byte(*channel.ParamOverride), &paramOverride)
+		if err != nil {
+			common.SysError("failed to unmarshal param override: " + err.Error())
+		}
+	}
+	return paramOverride
+}
+
 func GetChannelsByIds(ids []int) ([]*Channel, error) {
 	var channels []*Channel
 	err := DB.Where("id in (?)", ids).Find(&channels).Error

relay/common/relay_info.go

@@ -76,6 +76,7 @@ type RelayInfo struct {
 	AudioUsage           bool
 	ReasoningEffort      string
 	ChannelSetting       map[string]interface{}
+	ParamOverride        map[string]interface{}
 	UserSetting          map[string]interface{}
 	UserEmail            string
 	UserQuota            int
@@ -131,6 +132,7 @@ func GenRelayInfo(c *gin.Context) *RelayInfo {
 	channelType := c.GetInt("channel_type")
 	channelId := c.GetInt("channel_id")
 	channelSetting := c.GetStringMap("channel_setting")
+	paramOverride := c.GetStringMap("param_override")
 
 	tokenId := c.GetInt("token_id")
 	tokenKey := c.GetString("token_key")
@@ -168,6 +170,7 @@ func GenRelayInfo(c *gin.Context) *RelayInfo {
 		ApiKey:         strings.TrimPrefix(c.Request.Header.Get("Authorization"), "Bearer "),
 		Organization:   c.GetString("channel_organization"),
 		ChannelSetting: channelSetting,
+		ParamOverride:  paramOverride,
 		RelayFormat:    RelayFormatOpenAI,
 		ThinkingContentInfo: ThinkingContentInfo{
 			IsFirstThinkingContent:  true,

relay/relay-text.go

@@ -168,6 +168,23 @@ func TextHelper(c *gin.Context) (openaiErr *dto.OpenAIErrorWithStatusCode) {
 		if err != nil {
 			return service.OpenAIErrorWrapperLocal(err, "json_marshal_failed", http.StatusInternalServerError)
 		}
+
+		// apply param override
+		if len(relayInfo.ParamOverride) > 0 {
+			reqMap := make(map[string]interface{})
+			err = json.Unmarshal(jsonData, &reqMap)
+			if err != nil {
+				return service.OpenAIErrorWrapperLocal(err, "param_override_unmarshal_failed", http.StatusInternalServerError)
+			}
+			for key, value := range relayInfo.ParamOverride {
+				reqMap[key] = value
+			}
+			jsonData, err = json.Marshal(reqMap)
+			if err != nil {
+				return service.OpenAIErrorWrapperLocal(err, "param_override_marshal_failed", http.StatusInternalServerError)
+			}
+		}
+
 		if common.DebugEnabled {
 			println("requestBody: ", string(jsonData))
 		}

web/src/i18n/locales/en.json

@@ -1275,6 +1275,7 @@
   "代理站地址": "Base URL",
   "对于官方渠道，new-api已经内置地址，除非是第三方代理站点或者Azure的特殊接入地址，否则不需要填写": "For official channels, the new-api has a built-in address. Unless it is a third-party proxy site or a special Azure access address, there is no need to fill it in",
   "渠道额外设置": "Channel extra settings",
+  "参数覆盖": "Parameters override",
   "模型请求速率限制": "Model request rate limit",
   "启用用户模型请求速率限制（可能会影响高并发性能）": "Enable user model request rate limit (may affect high concurrency performance)",
   "限制周期": "Limit period",

web/src/pages/Channel/EditChannel.js

@@ -983,6 +983,23 @@ const EditChannel = (props) => {
               </Typography.Text>
             </Space>
           </>
+          <>
+            <div style={{ marginTop: 10 }}>
+              <Typography.Text strong>
+                {t('参数覆盖')}：
+              </Typography.Text>
+            </div>
+            <TextArea
+              placeholder={t('此项可选，用于覆盖请求参数。不支持覆盖 stream 参数。为一个 JSON 字符串，例如：') + '\n{\n  "temperature": 0\n}'}
+              name="setting"
+              onChange={(value) => {
+                handleInputChange('param_override', value);
+              }}
+              autosize
+              value={inputs.param_override}
+              autoComplete="new-password"
+            />
+          </>
           {inputs.type === 1 && (
             <>
               <div style={{ marginTop: 10 }}>