diff --git a/relay/channel/xunfei/main.go b/relay/channel/xunfei/main.go
index ff5cdbea..d4f6c8ad 100644
--- a/relay/channel/xunfei/main.go
+++ b/relay/channel/xunfei/main.go
@@ -252,9 +252,12 @@ func getXunfeiAuthUrl(c *gin.Context, apiKey string, apiSecret string) (string,
 		logger.SysLog("api_version not found, use default: " + apiVersion)
 	}
 	domain := "general"
-	if apiVersion != "v1.1" {
+	if apiVersion != "v1.1" && apiVersion != "v3.5" {
 		domain += strings.Split(apiVersion, ".")[0]
 	}
+	if apiVersion == "v3.5" {
+		domain += "v3.5"
+	}
 	authUrl := buildXunfeiAuthUrl(fmt.Sprintf("wss://spark-api.xf-yun.com/%s/chat", apiVersion), apiKey, apiSecret)
 	return domain, authUrl
 }