add task exec error handler

nm/task_msg.go

@@ -375,6 +375,7 @@ func (t *TaskHandler) ComputeTaskHandler(taskMsg *nodeManagerV1.PushTaskMessage)
 					log.Error("Container resp output is nil")
 					taskExecResult.TaskExecError = fmt.Sprintf("worker:%s,%s", conf.GetConfig().SignPublicAddress.Hex(), "Container resp output is nil")
 					t.ExecTaskIdIsSuccess.Store(taskMsg.TaskId, true)
+					taskExecResult.TaskRespBody = readBody
 					return
 				}
 			}
@@ -662,7 +663,7 @@ func parseData(readBody []byte) interface{} {
 		log.WithError(err).Error("Parse json raw message failed")
 		return bytes.NewBuffer(readBody).String()
 	}
-	if m["output"] == nil {
+	if m["output"] == nil || len(m["output"]) == 0 {
 		log.WithField("output", nil).Warn("The container resp")
 		return nil
 	}