diff --git a/module/testcase/test/lib/testcasezen.unittest.class.php b/module/testcase/test/lib/testcasezen.unittest.class.php
index ebd982e153..96916fcc50 100755
--- a/module/testcase/test/lib/testcasezen.unittest.class.php
+++ b/module/testcase/test/lib/testcasezen.unittest.class.php
@@ -983,7 +983,17 @@ class testcaseZenTest
         try {
             $result = callZenMethod('testcase', 'checkCasesForShowImport', [$cases]);
 
-            if(dao::isError()) return dao::getError();
+            if(dao::isError())
+            {
+                $errors = dao::getError();
+                /* Flatten error array for test framework compatibility. */
+                $flatErrors = array();
+                foreach($errors as $key => $value)
+                {
+                    $flatErrors[$key] = is_array($value) ? implode(',', $value) : $value;
+                }
+                return $flatErrors;
+            }
 
             return $result;
         } catch (Exception $e) {
diff --git a/module/testcase/test/zen/checkcasesforshowimport.php b/module/testcase/test/zen/checkcasesforshowimport.php
new file mode 100755
index 0000000000..90058e4070
--- /dev/null
+++ b/module/testcase/test/zen/checkcasesforshowimport.php
@@ -0,0 +1,65 @@
+#!/usr/bin/env php
+<?php
+
+/**
+
+title=测试 testcaseZen::checkCasesForShowImport();
+timeout=0
+cid=0
+
+- 执行testcaseTest模块的checkCasesForShowImportTest方法，参数是$validCases 第0条的title属性 @测试用例1
+- 执行testcaseTest模块的checkCasesForShowImportTest方法，参数是$casesWithEmptyTitle 属性title[0] @『用例名称』不能为空。
+- 执行testcaseTest模块的checkCasesForShowImportTest方法，参数是$casesWithEmptyType 属性type[0] @『用例类型』不能为空。
+- 执行testcaseTest模块的checkCasesForShowImportTest方法，参数是$casesWithExpectButNoStep 属性steps[0] @步骤1不能为空
+- 执行testcaseTest模块的checkCasesForShowImportTest方法，参数是$casesWithMultipleErrors
+ - 属性title[0] @『用例名称』不能为空。
+ - 属性type[0] @『用例类型』不能为空。
+
+*/
+
+// 1. 导入依赖（路径固定，不可修改）
+include dirname(__FILE__, 5) . '/test/lib/init.php';
+include dirname(__FILE__, 2) . '/lib/testcasezen.unittest.class.php';
+
+// 2. 用户登录（选择合适角色）
+su('admin');
+
+// 3. 创建测试实例（变量名与模块名一致）
+$testcaseTest = new testcaseZenTest();
+
+// 4. 🔴 强制要求：必须包含至少5个测试步骤
+
+// 步骤1：正常情况 - 所有必填字段都有值，步骤与期望对应
+$validCases = array(
+    (object)array('id' => 1, 'title' => '测试用例1', 'type' => 'feature', 'steps' => array(1 => '步骤1', 2 => '步骤2'), 'expects' => array(1 => '期望1', 2 => '期望2')),
+    (object)array('id' => 2, 'title' => '测试用例2', 'type' => 'interface', 'steps' => array(1 => '步骤1'), 'expects' => array(1 => '期望1'))
+);
+r($testcaseTest->checkCasesForShowImportTest($validCases)) && p('0:title') && e('测试用例1');
+
+// 步骤2：边界值 - title字段为空
+$casesWithEmptyTitle = array(
+    (object)array('id' => 1, 'title' => '', 'type' => 'feature', 'steps' => array(1 => '步骤1'), 'expects' => array(1 => '期望1')),
+    (object)array('id' => 2, 'title' => '测试用例2', 'type' => 'interface', 'steps' => array(1 => '步骤1'), 'expects' => array(1 => '期望1'))
+);
+r($testcaseTest->checkCasesForShowImportTest($casesWithEmptyTitle)) && p('title[0]') && e('『用例名称』不能为空。');
+
+// 步骤3：异常输入 - type字段为空
+$casesWithEmptyType = array(
+    (object)array('id' => 1, 'title' => '测试用例1', 'type' => '', 'steps' => array(1 => '步骤1'), 'expects' => array(1 => '期望1')),
+    (object)array('id' => 2, 'title' => '测试用例2', 'type' => 'interface', 'steps' => array(1 => '步骤1'), 'expects' => array(1 => '期望1'))
+);
+r($testcaseTest->checkCasesForShowImportTest($casesWithEmptyType)) && p('type[0]') && e('『用例类型』不能为空。');
+
+// 步骤4：业务规则验证 - 期望有值但步骤为空
+$casesWithExpectButNoStep = array(
+    (object)array('id' => 1, 'title' => '测试用例1', 'type' => 'feature', 'steps' => array(), 'expects' => array(1 => '期望1')),
+    (object)array('id' => 2, 'title' => '测试用例2', 'type' => 'interface', 'steps' => array(1 => '步骤1'), 'expects' => array(1 => '期望1'))
+);
+r($testcaseTest->checkCasesForShowImportTest($casesWithExpectButNoStep)) && p('steps[0]') && e('步骤1不能为空');
+
+// 步骤5：多个错误 - title和type都为空
+$casesWithMultipleErrors = array(
+    (object)array('id' => 1, 'title' => '', 'type' => '', 'steps' => array(1 => '步骤1'), 'expects' => array(1 => '期望1')),
+    (object)array('id' => 2, 'title' => '测试用例2', 'type' => 'interface', 'steps' => array(1 => '步骤1'), 'expects' => array(1 => '期望1'))
+);
+r($testcaseTest->checkCasesForShowImportTest($casesWithMultipleErrors)) && p('title[0],type[0]') && e('『用例名称』不能为空。,『用例类型』不能为空。');
\ No newline at end of file