diff --git a/module/project/model.php b/module/project/model.php
index 31cf98ecbe..5d3b71abf7 100755
--- a/module/project/model.php
+++ b/module/project/model.php
@@ -2774,6 +2774,7 @@ class projectModel extends model
     }
 
     /**
+     * 检查是否可以修改model字段
      * Check if the project model can be changed.
      *
      * @param  int    $projectID
@@ -2781,8 +2782,10 @@ class projectModel extends model
      * @access public
      * @return bool
      */
-    public function checkCanChangeModel($projectID, $model)
+    public function checkCanChangeModel(int $projectID, string $model): bool
     {
+        if(empty($model)) return false;
+
         $checkList = $this->config->project->checkList->$model;
         if($this->config->edition == 'max') $checkList = $this->config->project->maxCheckList->$model;
         foreach($checkList as $module)
@@ -2795,18 +2798,23 @@ class projectModel extends model
             {
                 switch($model)
                 {
-                case 'waterfall':
-                    $type = 'stage';
-                    break;
-                case 'kanban':
-                    $type = 'kanban';
-                    break;
-                default:
-                    $type = 'sprint';
-                    break;
+                    case 'waterfall':
+                        $type = 'stage';
+                        break;
+                    case 'waterfallplus':
+                        $type = 'stage';
+                        break;
+                    case 'kanban':
+                        $type = 'kanban';
+                        break;
+                    default:
+                        $type = 'sprint';
+                        break;
                 }
             }
 
+            /* 检查对应类型的数据是否已经存在。 */
+            /* Check if the data of the type already exists. */
             $object = $this->getDataByProject($table, $projectID, $type);
             if(!empty($object)) return false;
         }
diff --git a/module/project/test/model/checkcanchangemodel.php b/module/project/test/model/checkcanchangemodel.php
index 508a88c88e..193ad1cdc2 100755
--- a/module/project/test/model/checkcanchangemodel.php
+++ b/module/project/test/model/checkcanchangemodel.php
@@ -1,21 +1,37 @@
 #!/usr/bin/env php
 <?php
 include dirname(__FILE__, 5) . "/test/lib/init.php";
+
 su('admin');
 
+zdTable('project')->config('project')->gen(4);
+
 /**
 
 title=测试 projectModel->checkCanChangeModel();
+timeout=0
 cid=1
-pid=1
 
-查看ID为11的敏捷项目是否可切换项目管理模型 >> 0
-查看ID为41的瀑布项目是否可切换项目管理模型 >> 0
+- 执行project模块的checkCanChangeModel方法，参数是1, scrum @0
+
+- 执行project模块的checkCanChangeModel方法，参数是1, agileplus @0
+
+- 执行project模块的checkCanChangeModel方法，参数是1, kanban @0
+
+- 执行project模块的checkCanChangeModel方法，参数是1, waterfall @1
+
+- 执行project模块的checkCanChangeModel方法，参数是1, waterfallplus @1
+
+- 执行project模块的checkCanChangeModel方法，参数是1,  @0
 
 */
 
 global $tester;
 $tester->loadModel('project');
 
-r($tester->project->checkCanChangeModel(11,  'scrum'))     && p() && e('0'); // 查看ID为11的敏捷项目是否可切换项目管理模型
-r($tester->project->checkCanChangeModel(41,  'waterfall')) && p() && e('0'); // 查看ID为41的瀑布项目是否可切换项目管理模型
\ No newline at end of file
+r($tester->project->checkCanChangeModel(1, 'scrum'))         && p() && e('0');
+r($tester->project->checkCanChangeModel(1, 'agileplus'))     && p() && e('0');
+r($tester->project->checkCanChangeModel(1, 'kanban'))        && p() && e('0');
+r($tester->project->checkCanChangeModel(1, 'waterfall'))     && p() && e('1');
+r($tester->project->checkCanChangeModel(1, 'waterfallplus')) && p() && e('1');
+r($tester->project->checkCanChangeModel(1, ''))              && p() && e('0');
\ No newline at end of file
diff --git a/module/project/test/model/yaml/checkcanchangemodel/project.yaml b/module/project/test/model/yaml/checkcanchangemodel/project.yaml
new file mode 100644
index 0000000000..77881c4a3f
--- /dev/null
+++ b/module/project/test/model/yaml/checkcanchangemodel/project.yaml
@@ -0,0 +1,14 @@
+title: checkcanchangemodel-project
+author: chaideqing
+version: "1.0"
+fields:
+    - field: PM
+      range: 'admin'
+    - field: id
+      range: '1-8'
+    - field: project
+      range: '1'
+    - field: model
+      range: ', ,scrum,agileplus,kanban,waterfall,waterfallplus'
+    - field: type
+      range: 'project,sprint{2},kanban,stage{2}'