diff --git a/module/search/test/lib/search.unittest.class.php b/module/search/test/lib/search.unittest.class.php
index 8265abce73..d211bc0dd0 100755
--- a/module/search/test/lib/search.unittest.class.php
+++ b/module/search/test/lib/search.unittest.class.php
@@ -825,4 +825,30 @@ class searchTest
 
         return $result;
     }
+
+    /**
+     * Test initOldSession method.
+     *
+     * @param  string $module
+     * @param  array  $fields
+     * @param  array  $fieldParams
+     * @param  bool   $clearSession
+     * @access public
+     * @return array
+     */
+    public function initOldSessionTest(string $module, array $fields, array $fieldParams, bool $clearSession = true): array
+    {
+        $formSessionName = $module . 'Form';
+
+        // 根据参数决定是否清理session数据
+        if($clearSession) {
+            unset($_SESSION[$formSessionName]);
+        }
+
+        $this->objectTao->initOldSession($module, $fields, $fieldParams);
+
+        if(dao::isError()) return dao::getError();
+
+        return $_SESSION[$formSessionName] ?? array();
+    }
 }
diff --git a/module/search/test/tao/initoldsession.php b/module/search/test/tao/initoldsession.php
new file mode 100755
index 0000000000..c896b7b0e4
--- /dev/null
+++ b/module/search/test/tao/initoldsession.php
@@ -0,0 +1,57 @@
+#!/usr/bin/env php
+<?php
+
+/**
+
+title=测试 searchTao::initOldSession();
+timeout=0
+cid=0
+
+- 步骤1：测试正常情况，验证session初始化
+ - 属性field1 @title
+ - 属性operator1 @include
+- 步骤2：测试已存在session情况，验证不重复初始化
+ - 属性field3 @assignedTo
+ - 属性operator3 @=
+- 步骤3：测试空字段数组情况
+ - 属性field1 @name
+ - 属性operator1 @include
+- 步骤4：测试不同模块名称的session
+ - 属性field1 @title
+ - 属性operator1 @include
+- 步骤5：测试字段参数中的操作符设置
+ - 属性field1 @account
+ - 属性operator1 @!=
+
+*/
+
+// 1. 导入依赖
+include dirname(__FILE__, 5) . '/test/lib/init.php';
+include dirname(__FILE__, 2) . '/lib/search.unittest.class.php';
+
+// 2. 用户登录
+su('admin');
+
+// 3. 创建测试实例
+$searchTest = new searchTest();
+
+// 准备测试数据
+$module = 'bug';
+$fields = array();
+$fields['title'] = 'Bug名称';
+$fields['keywords'] = '关键词';
+$fields['assignedTo'] = '指派给';
+$fields['status'] = 'Bug状态';
+
+$fieldParams = array();
+$fieldParams['title'] = array('operator' => 'include', 'control' => 'input');
+$fieldParams['keywords'] = array('operator' => 'include', 'control' => 'input');
+$fieldParams['assignedTo'] = array('operator' => '=', 'control' => 'select');
+$fieldParams['status'] = array('operator' => '=', 'control' => 'select');
+
+// 5. 测试步骤
+r($searchTest->initOldSessionTest($module, $fields, $fieldParams, true)) && p('field1,operator1') && e('title,include'); // 步骤1：测试正常情况，验证session初始化
+r($searchTest->initOldSessionTest($module, $fields, $fieldParams, false)) && p('field3,operator3') && e('assignedTo,='); // 步骤2：测试已存在session情况，验证不重复初始化
+r($searchTest->initOldSessionTest('task', array('name' => '任务名称'), array('name' => array('operator' => 'include')), true)) && p('field1,operator1') && e('name,include'); // 步骤3：测试空字段数组情况
+r($searchTest->initOldSessionTest('story', array('title' => '需求标题'), array('title' => array('operator' => 'include')), true)) && p('field1,operator1') && e('title,include'); // 步骤4：测试不同模块名称的session
+r($searchTest->initOldSessionTest('user', array('account' => '用户名'), array('account' => array('operator' => '!=')), true)) && p('field1,operator1') && e('account,!='); // 步骤5：测试字段参数中的操作符设置
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