diff --git a/module/convert/test/lib/convert.unittest.class.php b/module/convert/test/lib/convert.unittest.class.php
index 1416bc7ac1..52e5ec94fa 100644
--- a/module/convert/test/lib/convert.unittest.class.php
+++ b/module/convert/test/lib/convert.unittest.class.php
@@ -1998,4 +1998,30 @@ class convertTest
             return 'error: ' . $e->getMessage();
         }
     }
+
+    /**
+     * Test buildFieldScreenLayoutItemData method.
+     *
+     * @param  array $data
+     * @access public
+     * @return mixed
+     */
+    public function buildFieldScreenLayoutItemDataTest($data = array())
+    {
+        try {
+            // 使用反射来访问protected方法
+            $reflection = new ReflectionClass($this->objectTao);
+            $method = $reflection->getMethod('buildFieldScreenLayoutItemData');
+            $method->setAccessible(true);
+
+            $result = $method->invoke($this->objectTao, $data);
+            if(dao::isError()) return dao::getError();
+
+            return $result;
+        } catch (Exception $e) {
+            return 'exception: ' . $e->getMessage();
+        } catch (Error $e) {
+            return 'error: ' . $e->getMessage();
+        }
+    }
 }
diff --git a/module/convert/test/tao/buildfieldscreenlayoutitemdata.php b/module/convert/test/tao/buildfieldscreenlayoutitemdata.php
new file mode 100755
index 0000000000..7ed44ecf61
--- /dev/null
+++ b/module/convert/test/tao/buildfieldscreenlayoutitemdata.php
@@ -0,0 +1,33 @@
+#!/usr/bin/env php
+<?php
+
+/**
+
+title=测试 convertTao::buildFieldScreenLayoutItemData();
+timeout=0
+cid=0
+
+- 步骤1：正常完整数据ID检查属性id @1001
+- 步骤1：正常完整数据字段标识符检查属性fieldidentifier @field_summary
+- 步骤1：正常完整数据屏幕选项卡检查属性fieldscreentab @main_tab
+- 步骤2：缺少可选字段时返回空字符串属性fieldscreentab @~~
+- 步骤3：数字ID输入处理属性id @2001
+
+*/
+
+// 1. 导入依赖
+include dirname(__FILE__, 5) . '/test/lib/init.php';
+include dirname(__FILE__, 2) . '/lib/convert.unittest.class.php';
+
+// 2. 用户登录
+su('admin');
+
+// 3. 创建测试实例
+$convertTest = new convertTest();
+
+// 4. 测试步骤
+r($convertTest->buildFieldScreenLayoutItemDataTest(array('id' => '1001', 'fieldidentifier' => 'field_summary', 'fieldscreentab' => 'main_tab'))) && p('id') && e('1001'); // 步骤1：正常完整数据ID检查
+r($convertTest->buildFieldScreenLayoutItemDataTest(array('id' => '1001', 'fieldidentifier' => 'field_summary', 'fieldscreentab' => 'main_tab'))) && p('fieldidentifier') && e('field_summary'); // 步骤1：正常完整数据字段标识符检查
+r($convertTest->buildFieldScreenLayoutItemDataTest(array('id' => '1001', 'fieldidentifier' => 'field_summary', 'fieldscreentab' => 'main_tab'))) && p('fieldscreentab') && e('main_tab'); // 步骤1：正常完整数据屏幕选项卡检查
+r($convertTest->buildFieldScreenLayoutItemDataTest(array('id' => '1002', 'fieldidentifier' => 'field_description'))) && p('fieldscreentab') && e('~~'); // 步骤2：缺少可选字段时返回空字符串
+r($convertTest->buildFieldScreenLayoutItemDataTest(array('id' => 2001, 'fieldidentifier' => 'field_assignee', 'fieldscreentab' => 'detail_tab'))) && p('id') && e('2001'); // 步骤3：数字ID输入处理
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