fix bug

services/scene-service/internal/service/manager/executer.go

@@ -122,7 +122,7 @@ func (a *TaskExecutor) saveHis(id string, action *Action) error {
 		args.Cmd = action.ExecutorProperty.FunctionCode
 		args.Params = gjson.New(action.ExecutorProperty.FunctionValue).MustToJsonString()
 	}
-	if action.PlcPubMessage.Topic != "" {
+	if action.PlcPubMessage != nil {
 		args.Topic = action.PlcPubMessage.Topic
 		args.Payload = string(action.PlcPubMessage.Payload)
 	}