Relay done but not working

controller/channel.go

@@ -56,7 +56,7 @@ func GetChannel(c *gin.Context) {
 		})
 		return
 	}
-	channel, err := model.GetChannelById(id)
+	channel, err := model.GetChannelById(id, false)
 	if err != nil {
 		c.JSON(http.StatusOK, gin.H{
 			"success": false,

controller/relay.go

@@ -0,0 +1,52 @@
+package controller
+
+import (
+	"fmt"
+	"github.com/gin-gonic/gin"
+	"io"
+	"net/http"
+	"one-api/common"
+)
+
+func Relay(c *gin.Context) {
+	channelType := c.GetInt("channel")
+	host := common.ChannelHosts[channelType]
+	req, err := http.NewRequest(c.Request.Method, fmt.Sprintf("%s/%s", host, c.Request.URL.String()), c.Request.Body)
+	if err != nil {
+		c.JSON(http.StatusOK, gin.H{
+			"error": gin.H{
+				"message": err.Error(),
+				"type":    "one_api_error",
+			},
+		})
+		return
+	}
+	req.Header = c.Request.Header.Clone()
+	client := &http.Client{}
+
+	resp, err := client.Do(req)
+	if err != nil {
+		c.JSON(http.StatusOK, gin.H{
+			"error": gin.H{
+				"message": err.Error(),
+				"type":    "one_api_error",
+			},
+		})
+		return
+	}
+	for k, v := range resp.Header {
+		c.Writer.Header().Set(k, v[0])
+	}
+	_, err = io.Copy(c.Writer, resp.Body)
+	//body, err := io.ReadAll(resp.Body)
+	//_, err = c.Writer.Write(body)
+	if err != nil {
+		c.JSON(http.StatusOK, gin.H{
+			"error": gin.H{
+				"message": err.Error(),
+				"type":    "one_api_error",
+			},
+		})
+		return
+	}
+}