diff --git a/common/ctxkey/key.go b/common/ctxkey/key.go
index 6f1002bd..6125ce4d 100644
--- a/common/ctxkey/key.go
+++ b/common/ctxkey/key.go
@@ -1,6 +1,6 @@
 package ctxkey
 
-var (
+const (
 	RequestModel     = "request_model"
 	ConvertedRequest = "converted_request"
 	OriginalModel    = "original_model"
diff --git a/middleware/distributor.go b/middleware/distributor.go
index 81075e51..88a6383b 100644
--- a/middleware/distributor.go
+++ b/middleware/distributor.go
@@ -3,7 +3,6 @@ package middleware
 import (
 	"fmt"
 	"github.com/gin-gonic/gin"
-	"github.com/songquanpeng/one-api/common/config"
 	"github.com/songquanpeng/one-api/common/ctxkey"
 	"github.com/songquanpeng/one-api/common/logger"
 	"github.com/songquanpeng/one-api/model"
@@ -69,18 +68,18 @@ func SetupContextForSelectedChannel(c *gin.Context, channel *model.Channel, mode
 	// this is for backward compatibility
 	switch channel.Type {
 	case channeltype.Azure:
-		c.Set(config.KeyAPIVersion, channel.Other)
+		c.Set(ctxkey.ConfigAPIVersion, channel.Other)
 	case channeltype.Xunfei:
-		c.Set(config.KeyAPIVersion, channel.Other)
+		c.Set(ctxkey.ConfigAPIVersion, channel.Other)
 	case channeltype.Gemini:
-		c.Set(config.KeyAPIVersion, channel.Other)
+		c.Set(ctxkey.ConfigAPIVersion, channel.Other)
 	case channeltype.AIProxyLibrary:
-		c.Set(config.KeyLibraryID, channel.Other)
+		c.Set(ctxkey.ConfigLibraryID, channel.Other)
 	case channeltype.Ali:
-		c.Set(config.KeyPlugin, channel.Other)
+		c.Set(ctxkey.ConfigPlugin, channel.Other)
 	}
 	cfg, _ := channel.LoadConfig()
 	for k, v := range cfg {
-		c.Set(config.KeyPrefix+k, v)
+		c.Set(ctxkey.ConfigPrefix+k, v)
 	}
 }
diff --git a/relay/adaptor/aiproxy/adaptor.go b/relay/adaptor/aiproxy/adaptor.go
index 7ad6225a..a446f026 100644
--- a/relay/adaptor/aiproxy/adaptor.go
+++ b/relay/adaptor/aiproxy/adaptor.go
@@ -4,7 +4,7 @@ import (
 	"errors"
 	"fmt"
 	"github.com/gin-gonic/gin"
-	"github.com/songquanpeng/one-api/common/config"
+	"github.com/songquanpeng/one-api/common/ctxkey"
 	"github.com/songquanpeng/one-api/relay/adaptor"
 	"github.com/songquanpeng/one-api/relay/meta"
 	"github.com/songquanpeng/one-api/relay/model"
@@ -34,7 +34,7 @@ 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(config.KeyLibraryID)
+	aiProxyLibraryRequest.LibraryId = c.GetString(ctxkey.ConfigLibraryID)
 	return aiProxyLibraryRequest, nil
 }
 
diff --git a/relay/adaptor/ali/adaptor.go b/relay/adaptor/ali/adaptor.go
index 21b5e8b8..8e7220ff 100644
--- a/relay/adaptor/ali/adaptor.go
+++ b/relay/adaptor/ali/adaptor.go
@@ -4,7 +4,7 @@ import (
 	"errors"
 	"fmt"
 	"github.com/gin-gonic/gin"
-	"github.com/songquanpeng/one-api/common/config"
+	"github.com/songquanpeng/one-api/common/ctxkey"
 	"github.com/songquanpeng/one-api/relay/adaptor"
 	"github.com/songquanpeng/one-api/relay/meta"
 	"github.com/songquanpeng/one-api/relay/model"
@@ -47,8 +47,8 @@ func (a *Adaptor) SetupRequestHeader(c *gin.Context, req *http.Request, meta *me
 	if meta.Mode == relaymode.ImagesGenerations {
 		req.Header.Set("X-DashScope-Async", "enable")
 	}
-	if c.GetString(config.KeyPlugin) != "" {
-		req.Header.Set("X-DashScope-Plugin", c.GetString(config.KeyPlugin))
+	if c.GetString(ctxkey.ConfigPlugin) != "" {
+		req.Header.Set("X-DashScope-Plugin", c.GetString(ctxkey.ConfigPlugin))
 	}
 	return nil
 }
diff --git a/relay/adaptor/aws/main.go b/relay/adaptor/aws/main.go
index 7473a549..3db38d22 100644
--- a/relay/adaptor/aws/main.go
+++ b/relay/adaptor/aws/main.go
@@ -5,7 +5,6 @@ import (
 	"bytes"
 	"encoding/json"
 	"fmt"
-	"github.com/songquanpeng/one-api/common/config"
 	"github.com/songquanpeng/one-api/common/ctxkey"
 	"io"
 	"net/http"
@@ -25,9 +24,9 @@ import (
 )
 
 func newAwsClient(c *gin.Context) (*bedrockruntime.Client, error) {
-	ak := c.GetString(config.KeyAK)
-	sk := c.GetString(config.KeySK)
-	region := c.GetString(config.KeyRegion)
+	ak := c.GetString(ctxkey.ConfigAK)
+	sk := c.GetString(ctxkey.ConfigSK)
+	region := c.GetString(ctxkey.ConfigRegion)
 	client := bedrockruntime.New(bedrockruntime.Options{
 		Region:      region,
 		Credentials: aws.NewCredentialsCache(credentials.NewStaticCredentialsProvider(ak, sk, "")),
diff --git a/relay/adaptor/azure/helper.go b/relay/adaptor/azure/helper.go
index dd207f37..26443bc4 100644
--- a/relay/adaptor/azure/helper.go
+++ b/relay/adaptor/azure/helper.go
@@ -2,14 +2,14 @@ package azure
 
 import (
 	"github.com/gin-gonic/gin"
-	"github.com/songquanpeng/one-api/common/config"
+	"github.com/songquanpeng/one-api/common/ctxkey"
 )
 
 func GetAPIVersion(c *gin.Context) string {
 	query := c.Request.URL.Query()
 	apiVersion := query.Get("api-version")
 	if apiVersion == "" {
-		apiVersion = c.GetString(config.KeyAPIVersion)
+		apiVersion = c.GetString(ctxkey.ConfigAPIVersion)
 	}
 	return apiVersion
 }
diff --git a/relay/adaptor/coze/adaptor.go b/relay/adaptor/coze/adaptor.go
index 4af8c021..49979ef6 100644
--- a/relay/adaptor/coze/adaptor.go
+++ b/relay/adaptor/coze/adaptor.go
@@ -4,7 +4,7 @@ import (
 	"errors"
 	"fmt"
 	"github.com/gin-gonic/gin"
-	"github.com/songquanpeng/one-api/common/config"
+	"github.com/songquanpeng/one-api/common/ctxkey"
 	"github.com/songquanpeng/one-api/relay/adaptor"
 	"github.com/songquanpeng/one-api/relay/adaptor/openai"
 	"github.com/songquanpeng/one-api/relay/meta"
@@ -34,7 +34,7 @@ func (a *Adaptor) ConvertRequest(c *gin.Context, relayMode int, request *model.G
 	if request == nil {
 		return nil, errors.New("request is nil")
 	}
-	request.User = c.GetString(config.KeyUserID)
+	request.User = c.GetString(ctxkey.ConfigUserID)
 	return ConvertRequest(*request), nil
 }
 
diff --git a/relay/adaptor/xunfei/main.go b/relay/adaptor/xunfei/main.go
index 369e6227..70a926fd 100644
--- a/relay/adaptor/xunfei/main.go
+++ b/relay/adaptor/xunfei/main.go
@@ -9,7 +9,7 @@ import (
 	"github.com/gin-gonic/gin"
 	"github.com/gorilla/websocket"
 	"github.com/songquanpeng/one-api/common"
-	"github.com/songquanpeng/one-api/common/config"
+	"github.com/songquanpeng/one-api/common/ctxkey"
 	"github.com/songquanpeng/one-api/common/helper"
 	"github.com/songquanpeng/one-api/common/logger"
 	"github.com/songquanpeng/one-api/common/random"
@@ -280,7 +280,7 @@ func getAPIVersion(c *gin.Context, modelName string) string {
 		return apiVersion
 
 	}
-	apiVersion = c.GetString(config.KeyAPIVersion)
+	apiVersion = c.GetString(ctxkey.ConfigAPIVersion)
 	if apiVersion != "" {
 		return apiVersion
 	}
diff --git a/relay/meta/relay_meta.go b/relay/meta/relay_meta.go
index 22ef1567..421c317e 100644
--- a/relay/meta/relay_meta.go
+++ b/relay/meta/relay_meta.go
@@ -2,7 +2,7 @@ package meta
 
 import (
 	"github.com/gin-gonic/gin"
-	"github.com/songquanpeng/one-api/common/config"
+	"github.com/songquanpeng/one-api/common/ctxkey"
 	"github.com/songquanpeng/one-api/relay/adaptor/azure"
 	"github.com/songquanpeng/one-api/relay/channeltype"
 	"github.com/songquanpeng/one-api/relay/relaymode"
@@ -41,7 +41,7 @@ func GetByContext(c *gin.Context) *Meta {
 		Group:          c.GetString("group"),
 		ModelMapping:   c.GetStringMapString("model_mapping"),
 		BaseURL:        c.GetString("base_url"),
-		APIVersion:     c.GetString(config.KeyAPIVersion),
+		APIVersion:     c.GetString(ctxkey.ConfigAPIVersion),
 		APIKey:         strings.TrimPrefix(c.Request.Header.Get("Authorization"), "Bearer "),
 		Config:         nil,
 		RequestURLPath: c.Request.URL.String(),