diff --git a/common/constants.go b/common/constants.go
index 325454d4..31036685 100644
--- a/common/constants.go
+++ b/common/constants.go
@@ -92,3 +92,11 @@ var ChannelBaseURLs = []string{
 	"https://hunyuan.cloud.tencent.com",         // 23
 	"https://generativelanguage.googleapis.com", // 24
 }
+
+const (
+	ConfigKeyPrefix = "cfg_"
+
+	ConfigKeyAPIVersion = ConfigKeyPrefix + "api_version"
+	ConfigKeyLibraryID  = ConfigKeyPrefix + "library_id"
+	ConfigKeyPlugin     = ConfigKeyPrefix + "plugin"
+)
diff --git a/middleware/distributor.go b/middleware/distributor.go
index 0ed250fd..704f6236 100644
--- a/middleware/distributor.go
+++ b/middleware/distributor.go
@@ -83,17 +83,22 @@ func Distribute() func(c *gin.Context) {
 		c.Set("model_mapping", channel.GetModelMapping())
 		c.Request.Header.Set("Authorization", fmt.Sprintf("Bearer %s", channel.Key))
 		c.Set("base_url", channel.GetBaseURL())
+		// this is for backward compatibility
 		switch channel.Type {
 		case common.ChannelTypeAzure:
-			c.Set("api_version", channel.Other)
+			c.Set(common.ConfigKeyAPIVersion, channel.Other)
 		case common.ChannelTypeXunfei:
-			c.Set("api_version", channel.Other)
+			c.Set(common.ConfigKeyAPIVersion, channel.Other)
 		case common.ChannelTypeGemini:
-			c.Set("api_version", channel.Other)
+			c.Set(common.ConfigKeyAPIVersion, channel.Other)
 		case common.ChannelTypeAIProxyLibrary:
-			c.Set("library_id", channel.Other)
+			c.Set(common.ConfigKeyLibraryID, channel.Other)
 		case common.ChannelTypeAli:
-			c.Set("plugin", channel.Other)
+			c.Set(common.ConfigKeyPlugin, channel.Other)
+		}
+		cfg, _ := channel.LoadConfig()
+		for k, v := range cfg {
+			c.Set(common.ConfigKeyPrefix+k, v)
 		}
 		c.Next()
 	}
diff --git a/model/channel.go b/model/channel.go
index 0503a620..19af2263 100644
--- a/model/channel.go
+++ b/model/channel.go
@@ -21,7 +21,7 @@ type Channel struct {
 	TestTime           int64   `json:"test_time" gorm:"bigint"`
 	ResponseTime       int     `json:"response_time"` // in milliseconds
 	BaseURL            *string `json:"base_url" gorm:"column:base_url;default:''"`
-	Other              string  `json:"other"`
+	Other              string  `json:"other"`   // DEPRECATED: please save config to field Config
 	Balance            float64 `json:"balance"` // in USD
 	BalanceUpdatedTime int64   `json:"balance_updated_time" gorm:"bigint"`
 	Models             string  `json:"models"`
@@ -29,6 +29,7 @@ type Channel struct {
 	UsedQuota          int64   `json:"used_quota" gorm:"bigint;default:0"`
 	ModelMapping       *string `json:"model_mapping" gorm:"type:varchar(1024);default:''"`
 	Priority           *int64  `json:"priority" gorm:"bigint;default:0"`
+	Config             string  `json:"config"`
 }
 
 func GetAllChannels(startIdx int, num int, selectAll bool) ([]*Channel, error) {
@@ -155,6 +156,18 @@ func (channel *Channel) Delete() error {
 	return err
 }
 
+func (channel *Channel) LoadConfig() (map[string]string, error) {
+	if channel.Config == "" {
+		return nil, nil
+	}
+	cfg := make(map[string]string)
+	err := json.Unmarshal([]byte(channel.Config), &cfg)
+	if err != nil {
+		return nil, err
+	}
+	return cfg, nil
+}
+
 func UpdateChannelStatusById(id int, status int) {
 	err := UpdateAbilityStatus(id, status == common.ChannelStatusEnabled)
 	if err != nil {
diff --git a/relay/channel/aiproxy/adaptor.go b/relay/channel/aiproxy/adaptor.go
index eab79c30..34fd62f5 100644
--- a/relay/channel/aiproxy/adaptor.go
+++ b/relay/channel/aiproxy/adaptor.go
@@ -4,6 +4,7 @@ import (
 	"errors"
 	"fmt"
 	"github.com/gin-gonic/gin"
+	"github.com/songquanpeng/one-api/common"
 	"github.com/songquanpeng/one-api/relay/channel"
 	"github.com/songquanpeng/one-api/relay/model"
 	"github.com/songquanpeng/one-api/relay/util"
@@ -29,7 +30,7 @@ func (a *Adaptor) ConvertRequest(c *gin.Context, relayMode int, request *model.G
 		return nil, errors.New("request is nil")
 	}
 	aiProxyLibraryRequest := ConvertRequest(*request)
-	aiProxyLibraryRequest.LibraryId = c.GetString("library_id")
+	aiProxyLibraryRequest.LibraryId = c.GetString(common.ConfigKeyLibraryID)
 	return aiProxyLibraryRequest, nil
 }
 
diff --git a/relay/channel/ali/adaptor.go b/relay/channel/ali/adaptor.go
index 177aa49e..85986cce 100644
--- a/relay/channel/ali/adaptor.go
+++ b/relay/channel/ali/adaptor.go
@@ -4,6 +4,7 @@ import (
 	"errors"
 	"fmt"
 	"github.com/gin-gonic/gin"
+	"github.com/songquanpeng/one-api/common"
 	"github.com/songquanpeng/one-api/relay/channel"
 	"github.com/songquanpeng/one-api/relay/constant"
 	"github.com/songquanpeng/one-api/relay/model"
@@ -29,8 +30,8 @@ func (a *Adaptor) SetupRequestHeader(c *gin.Context, req *http.Request, meta *ut
 	if meta.IsStream {
 		req.Header.Set("X-DashScope-SSE", "enable")
 	}
-	if c.GetString("plugin") != "" {
-		req.Header.Set("X-DashScope-Plugin", c.GetString("plugin"))
+	if c.GetString(common.ConfigKeyPlugin) != "" {
+		req.Header.Set("X-DashScope-Plugin", c.GetString(common.ConfigKeyPlugin))
 	}
 	return nil
 }
diff --git a/relay/channel/xunfei/main.go b/relay/channel/xunfei/main.go
index 8efade87..4a777075 100644
--- a/relay/channel/xunfei/main.go
+++ b/relay/channel/xunfei/main.go
@@ -246,7 +246,7 @@ func getXunfeiAuthUrl(c *gin.Context, apiKey string, apiSecret string) (string,
 	query := c.Request.URL.Query()
 	apiVersion := query.Get("api-version")
 	if apiVersion == "" {
-		apiVersion = c.GetString("api_version")
+		apiVersion = c.GetString(common.ConfigKeyAPIVersion)
 	}
 	if apiVersion == "" {
 		apiVersion = "v1.1"
diff --git a/relay/controller/temp.go b/relay/controller/temp.go
index 75aea4ff..ac73fac3 100644
--- a/relay/controller/temp.go
+++ b/relay/controller/temp.go
@@ -174,7 +174,7 @@ func GetRequestBody(c *gin.Context, textRequest model.GeneralOpenAIRequest, isMo
 		requestBody = bytes.NewBuffer(jsonStr)
 	case constant.APITypeAIProxyLibrary:
 		aiProxyLibraryRequest := aiproxy.ConvertRequest(textRequest)
-		aiProxyLibraryRequest.LibraryId = c.GetString("library_id")
+		aiProxyLibraryRequest.LibraryId = c.GetString(common.ConfigKeyLibraryID)
 		jsonStr, err := json.Marshal(aiProxyLibraryRequest)
 		if err != nil {
 			return nil, err
@@ -222,8 +222,8 @@ func SetupAuthHeaders(c *gin.Context, req *http.Request, meta *util.RelayMeta, i
 		if isStream {
 			req.Header.Set("X-DashScope-SSE", "enable")
 		}
-		if c.GetString("plugin") != "" {
-			req.Header.Set("X-DashScope-Plugin", c.GetString("plugin"))
+		if c.GetString(common.ConfigKeyPlugin) != "" {
+			req.Header.Set("X-DashScope-Plugin", c.GetString(common.ConfigKeyPlugin))
 		}
 	case constant.APITypeTencent:
 		req.Header.Set("Authorization", apiKey)
diff --git a/relay/util/common.go b/relay/util/common.go
index 21e1dfaf..6d993378 100644
--- a/relay/util/common.go
+++ b/relay/util/common.go
@@ -162,7 +162,7 @@ func GetAzureAPIVersion(c *gin.Context) string {
 	query := c.Request.URL.Query()
 	apiVersion := query.Get("api-version")
 	if apiVersion == "" {
-		apiVersion = c.GetString("api_version")
+		apiVersion = c.GetString(common.ConfigKeyAPIVersion)
 	}
 	return apiVersion
 }
diff --git a/relay/util/relay_meta.go b/relay/util/relay_meta.go
index 58afc23f..31b9d2b4 100644
--- a/relay/util/relay_meta.go
+++ b/relay/util/relay_meta.go
@@ -39,7 +39,7 @@ func GetRelayMeta(c *gin.Context) *RelayMeta {
 		Group:          c.GetString("group"),
 		ModelMapping:   c.GetStringMapString("model_mapping"),
 		BaseURL:        c.GetString("base_url"),
-		APIVersion:     c.GetString("api_version"),
+		APIVersion:     c.GetString(common.ConfigKeyAPIVersion),
 		APIKey:         strings.TrimPrefix(c.Request.Header.Get("Authorization"), "Bearer "),
 		Config:         nil,
 		RequestURLPath: c.Request.URL.String(),