fix: kling correct fail reason

relay/channel/task/kling/adaptor.go

@@ -346,7 +346,7 @@ func (a *TaskAdaptor) ParseTaskResult(respBody []byte) (*relaycommon.TaskInfo, e
 	}
 	taskInfo.Code = resPayload.Code
 	taskInfo.TaskID = resPayload.Data.TaskId
-	taskInfo.Reason = resPayload.Message
+	taskInfo.Reason = resPayload.Data.TaskStatusMsg
 	//任务状态，枚举值：submitted（已提交）、processing（处理中）、succeed（成功）、failed（失败）
 	status := resPayload.Data.TaskStatus
 	switch status {