Merge branch 'sprint/master_zhouxudong_18270' into 'master'

Sprint/master zhouxudong 18270

See merge request easycorp/zentaopms!2654

module/execution/model.php

@@ -305,14 +305,6 @@ class executionModel extends model
             $type    = 'sprint';
             if($project) $type = zget($this->config->execution->modelList, $project->model, 'sprint');
 
-            /* If the execution model is a stage, determine whether the product is linked. */
-            $products = array_filter($this->post->products);
-            if(empty($products))
-            {
-                dao::$errors['message'][] = $this->lang->execution->noLinkProduct;
-                return false;
-            }
-
             $this->config->execution->create->requiredFields .= ',project';
         }
 
@@ -468,13 +460,7 @@ class executionModel extends model
             dao::$errors['days'] = sprintf($this->lang->project->workdaysExceed, $workdays);
             return false;
         }
-        $products = array_filter($this->post->products);
-        $noLinkTip = $oldExecution->type != 'kanban' ? $this->lang->execution->noLinkProduct : $this->lang->execution->kanbanNoLinkProduct;
-        if(empty($products))
-        {
-            dao::$errors['message'][] = $noLinkTip;
-            return false;
-        }
+
         /* Get the data from the post. */
         $execution = fixer::input('post')
             ->setDefault('lastEditedBy', $this->app->user->account)