diff --git a/module/tree/test/lib/browsetask.ui.class.php b/module/tree/test/lib/browsetask.ui.class.php
index 5a836ed6c5..b602842957 100644
--- a/module/tree/test/lib/browsetask.ui.class.php
+++ b/module/tree/test/lib/browsetask.ui.class.php
@@ -32,4 +32,43 @@ class browsetaskTester extends tester
         if($form->dom->lastModule->getText() == $moduleName) return $this->success('创建模块成功');
         return $this->failed('创建模块失败');
     }
+
+    /**
+     * 检查执行下创建子模块。
+     * Check the creation of child modules under the execution.
+     *
+     * @param  string $childModuleName
+     * @param  bool   $checkRepeat
+     * @access public
+     * @return object
+     */
+    public function createChildModule($childModuleName, $checkRepeat = false)
+    {
+        $form = $this->initForm('tree', 'browsetask', array('rootID' => '2'), 'appIframe-execution');
+        if(!is_object($form->dom->firstViewBtn)) return $this->failed('不能创建子模块');
+        $form->dom->firstViewBtn->click();
+        $form->wait(1);
+        if($checkRepeat) $childModuleName = $form->dom->firstChildModule->getText();
+        $form->dom->firsrNullModule->setValue($childModuleName);
+        $form->dom->submitBtn->click();
+        $form->wait(1);
+
+        $form = $this->loadPage();
+        $form->wait(1);
+
+        if($checkRepeat)
+        {
+            if($form->dom->modalText->getText() == sprintf($this->lang->tree->repeatName, $childModuleName)) return $this->success('创建子模块时子模块已存在，提示正确');
+            return $this->failed('创建子模块时子模块已存在，提示错误');
+        }
+        if(preg_match('/\s/', $childModuleName))
+        {
+            if($form->dom->modalText->getText() == $this->lang->tree->shouldNotBlank) return $this->success('创建子模块时子模块名包含空格，提示正确');
+            return $this->failed('创建子模块时子模块名包含空格，提示错误');
+        }
+        if($form->dom->firstCaret->attr('class') == 'caret-right') $form->dom->firstCaret->click();
+        $form->wait(1);
+        if($form->dom->lastChildModule->getText() == $childModuleName) return $this->success('创建子模块成功');
+        return $this->failed('创建子模块失败');
+    }
 }