update octopusHttp methods

internal/storeLink/octopusHttp/octopusHttp.go

@@ -87,7 +87,12 @@ func (o *OctopusHttp) Execute(ctx context.Context, option *option.AiOption, mode
 		if option.AlgorithmId == "" {
 			return nil, errors.New("algorithmId is empty")
 		}
-		option.Cmd = option.Cmd + SemiColon + Python + option.AlgorithmId
+		if option.Cmd != "" {
+			option.Cmd = option.Cmd + SemiColon + Python + option.AlgorithmId
+		} else {
+			option.Cmd = Python + option.AlgorithmId
+		}
+
 		option.ResourceId = "9e2feeae30e04492a4298755179f2ae0"
 		task, err := o.SubmitTask(ctx, option.ImageId, option.Cmd, option.Envs, option.Params, option.ResourceId, option.DatasetsId, option.AlgorithmId, option.TaskType)
 		if err != nil {