feat: 适配o1模型

relay/channel/openai/adaptor.go

@@ -117,12 +117,11 @@ func (a *Adaptor) ConvertRequest(c *gin.Context, info *relaycommon.RelayInfo, re
 	}
 	if request.Model == "o1" || request.Model == "o1-2024-12-17" {
 		//修改第一个Message的内容，将system改为developer
-		if len(request.Messages) > 0 {
-			if request.Messages[0].Role == "system" {
-				request.Messages[0].Role = "developer"
-			}
+		if len(request.Messages) > 0 && request.Messages[0].Role == "system" {
+			request.Messages[0].Role = "developer"
 		}
 	}
+
 	return request, nil
 }