diff --git a/module/convert/test/lib/convert.unittest.class.php b/module/convert/test/lib/convert.unittest.class.php
index f92a2d4cc1..1091cef5c6 100644
--- a/module/convert/test/lib/convert.unittest.class.php
+++ b/module/convert/test/lib/convert.unittest.class.php
@@ -155,4 +155,44 @@ class convertTest
 
         return $result;
     }
+
+    /**
+     * Test splitFile method.
+     *
+     * @access public
+     * @return mixed
+     */
+    public function splitFileTest()
+    {
+        try {
+            // 检查源文件是否存在
+            global $app;
+            $jiraPath = $app->getTmpRoot() . 'jirafile/';
+            $sourceFile = $jiraPath . 'entities.xml';
+            
+            if(!file_exists($sourceFile))
+            {
+                return 'no_source_file';
+            }
+            
+            $this->objectModel->splitFile();
+            if(dao::isError()) return dao::getError();
+
+            // 检查是否成功分割文件
+            $checkFiles = array('action.xml', 'project.xml', 'issue.xml');
+            $existFiles = 0;
+            foreach($checkFiles as $file)
+            {
+                if(file_exists($jiraPath . $file)) $existFiles++;
+            }
+            
+            return $existFiles > 0 ? 'success' : 'no_files';
+        } catch (Exception $e) {
+            return 'exception: ' . $e->getMessage();
+        } catch (TypeError $e) {
+            return 'type_error: ' . $e->getMessage();
+        } catch (Error $e) {
+            return 'error: ' . $e->getMessage();
+        }
+    }
 }
\ No newline at end of file
diff --git a/module/convert/test/model/splitfile.php b/module/convert/test/model/splitfile.php
new file mode 100755
index 0000000000..548e250496
--- /dev/null
+++ b/module/convert/test/model/splitfile.php
@@ -0,0 +1,101 @@
+#!/usr/bin/env php
+<?php
+
+/**
+
+title=测试 convertModel::splitFile();
+timeout=0
+cid=0
+
+- 执行convertTest模块的splitFileTest方法  @success
+- 执行convertTest模块的splitFileTest方法  @no_files
+- 执行convertTest模块的splitFileTest方法  @no_source_file
+- 执行convertTest模块的splitFileTest方法  @success
+- 执行$hasValidXMLHeader && $hasValidXMLFooter @1
+
+*/
+
+include dirname(__FILE__, 5) . '/test/lib/init.php';
+include dirname(__FILE__, 2) . '/lib/convert.unittest.class.php';
+
+su('admin');
+
+$convertTest = new convertTest();
+
+// 准备测试环境
+global $app;
+$jiraPath = $app->getTmpRoot() . 'jirafile/';
+if(!is_dir($jiraPath)) mkdir($jiraPath, 0755, true);
+
+// 清理之前的测试文件
+$testFiles = array('action.xml', 'project.xml', 'status.xml', 'resolution.xml', 'user.xml', 'issue.xml', 'changegroup.xml', 'changeitem.xml', 'issuelink.xml', 'issuelinktype.xml', 'fileattachment.xml', 'version.xml', 'issuetype.xml', 'nodeassociation.xml');
+foreach($testFiles as $file)
+{
+    if(file_exists($jiraPath . $file)) @unlink($jiraPath . $file);
+}
+
+// 创建测试用的entities.xml文件
+$testXMLContent = '<?xml version="1.0" encoding="UTF-8"?>
+<entity-engine-xml>
+<Action id="1" name="Create Issue" description="Creates a new issue" />
+<Action id="2" name="Close Issue" description="Closes an issue" />
+<Project id="10000" pkey="TEST" name="Test Project" description="Test project description" />
+<Project id="10001" pkey="DEMO" name="Demo Project" description="Demo project description" />
+<Status id="1" name="Open" description="Open status" />
+<Status id="2" name="Closed" description="Closed status" />
+<Resolution id="1" name="Fixed" description="Fixed resolution" />
+<User id="admin" account="admin" email="admin@test.com" />
+<Issue id="100" summary="Test issue 1" description="Test issue description" issuetype="1" project="10000" />
+<Issue id="101" summary="Test issue 2" description="Another test issue" issuetype="2" project="10001" />
+<ChangeGroup id="1" issue="100" author="admin" created="2023-01-01" />
+<ChangeItem id="1" group="1" field="status" oldstring="Open" newstring="Closed" />
+<IssueLink id="1" source="100" destination="101" linktype="1" />
+<IssueLinkType id="1" linkname="relates to" />
+<FileAttachment id="1" issue="100" filename="test.txt" />
+<Version id="1" project="10000" name="v1.0" />
+<IssueType id="1" name="Bug" description="Bug issue type" />
+<IssueType id="2" name="Task" description="Task issue type" />
+<NodeAssociation id="1" sourceNodeId="100" sourceNodeEntity="Issue" sinkNodeId="1" sinkNodeEntity="Version" associationType="IssueFixVersion" />
+</entity-engine-xml>';
+
+file_put_contents($jiraPath . 'entities.xml', $testXMLContent);
+
+// 测试步骤1：测试有效的entities.xml文件分割
+r($convertTest->splitFileTest()) && p() && e('success');
+
+// 测试步骤2：测试空的entities.xml文件处理
+foreach($testFiles as $file)
+{
+    if(file_exists($jiraPath . $file)) @unlink($jiraPath . $file);
+}
+file_put_contents($jiraPath . 'entities.xml', '<?xml version="1.0" encoding="UTF-8"?><entity-engine-xml></entity-engine-xml>');
+r($convertTest->splitFileTest()) && p() && e('no_files');
+
+// 测试步骤3：测试不存在entities.xml文件的处理
+if(file_exists($jiraPath . 'entities.xml')) @unlink($jiraPath . 'entities.xml');
+r($convertTest->splitFileTest()) && p() && e('no_source_file');
+
+// 测试步骤4：测试包含特殊字符的XML内容处理
+foreach($testFiles as $file)
+{
+    if(file_exists($jiraPath . $file)) @unlink($jiraPath . $file);
+}
+$xmlWithSpecialChars = '<?xml version="1.0" encoding="UTF-8"?>
+<entity-engine-xml>
+<Action id="1" name="Test Action" description="Action with special chars &amp; &lt; &gt;" />
+<Project id="1" name="测试项目" description="Project with Chinese chars" />
+</entity-engine-xml>';
+file_put_contents($jiraPath . 'entities.xml', $xmlWithSpecialChars);
+r($convertTest->splitFileTest()) && p() && e('success');
+
+// 测试步骤5：检查分割后的文件完整性
+$actionFile = $jiraPath . 'action.xml';
+$hasValidXMLHeader = false;
+$hasValidXMLFooter = false;
+if(file_exists($actionFile))
+{
+    $content = file_get_contents($actionFile);
+    $hasValidXMLHeader = strpos($content, "<?xml version='1.0' encoding='UTF-8'?>") !== false;
+    $hasValidXMLFooter = strpos($content, '</entity-engine-xml>') !== false;
+}
+r($hasValidXMLHeader && $hasValidXMLFooter) && p() && e('1');
\ No newline at end of file