修改千帆大模型系统参数，修改大模型系统提问消息输出

service/imService.go

@@ -137,7 +137,7 @@ func WSReceiveMessageServiceV2(modelParam proto.ModelParam, ctx *proto.IMParamCo
 	case proto.ModelTypeQianfan:
 		Qianfan(modelParam, ctx)
 	default:
-		resErr, resID = errors.New("model not exist"), 0
+		resErr, resID = errors.New("model type not exist:"+ctx.ModelType), 0
 	}
 	return resErr, resID
 }