diff --git a/module/admin/test/lib/admin.unittest.class.php b/module/admin/test/lib/admin.unittest.class.php
index 1344289bf1..8601e47d2a 100644
--- a/module/admin/test/lib/admin.unittest.class.php
+++ b/module/admin/test/lib/admin.unittest.class.php
@@ -6,6 +6,16 @@ class adminTest
         global $tester;
         $this->objectModel = $tester->loadModel('admin');
         $this->user        = $tester->loadModel('user');
+        
+        // 加载admin控制器基类
+        if(!class_exists('admin'))
+        {
+            include dirname(__FILE__, 3) . '/control.php';
+        }
+        
+        // 包含zen文件并实例化
+        require_once dirname(__FILE__, 3) . '/zen.php';
+        $this->objectZen = new adminZen();
     }
 
     /**
@@ -256,4 +266,24 @@ class adminTest
         // 对于非空参数，返回1表示执行成功
         return 1;
     }
+
+    /**
+     * Test syncExtensions method.
+     *
+     * @param  string $type
+     * @param  int    $limit
+     * @access public
+     * @return mixed
+     */
+    public function syncExtensionsTest(string $type = 'plugin', int $limit = 5)
+    {
+        $reflection = new ReflectionClass($this->objectZen);
+        $method = $reflection->getMethod('syncExtensions');
+        $method->setAccessible(true);
+        
+        $result = $method->invoke($this->objectZen, $type, $limit);
+        if(dao::isError()) return dao::getError();
+
+        return $result;
+    }
 }
diff --git a/module/admin/test/zen/syncextensions.php b/module/admin/test/zen/syncextensions.php
new file mode 100755
index 0000000000..93d2af28c7
--- /dev/null
+++ b/module/admin/test/zen/syncextensions.php
@@ -0,0 +1,29 @@
+#!/usr/bin/env php
+<?php
+
+/**
+
+title=测试 adminZen::syncExtensions();
+timeout=0
+cid=0
+
+- 执行adminTest模块的syncExtensionsTest方法，参数是'plugin', 5  @1
+- 执行adminTest模块的syncExtensionsTest方法，参数是'patch', 5  @1
+- 执行adminTest模块的syncExtensionsTest方法，参数是'plugin', 10  @1
+- 执行adminTest模块的syncExtensionsTest方法，参数是'patch', 1  @1
+- 执行adminTest模块的syncExtensionsTest方法，参数是'plugin', 0  @1
+
+*/
+
+include dirname(__FILE__, 5) . '/test/lib/init.php';
+include dirname(__FILE__, 2) . '/lib/admin.unittest.class.php';
+
+su('admin');
+
+$adminTest = new adminTest();
+
+r($adminTest->syncExtensionsTest('plugin', 5)) && p() && e('1');
+r($adminTest->syncExtensionsTest('patch', 5)) && p() && e('1');
+r($adminTest->syncExtensionsTest('plugin', 10)) && p() && e('1');
+r($adminTest->syncExtensionsTest('patch', 1)) && p() && e('1');
+r($adminTest->syncExtensionsTest('plugin', 0)) && p() && e('1');
\ No newline at end of file