diff --git a/tests/thinkphp/library/think/config/ConfigInitTrait.php b/tests/thinkphp/library/think/config/ConfigInitTrait.php
index 79bfd066..0af031f9 100644
--- a/tests/thinkphp/library/think/config/ConfigInitTrait.php
+++ b/tests/thinkphp/library/think/config/ConfigInitTrait.php
@@ -34,11 +34,11 @@ trait ConfigInitTrait
     {
         self::$internalConfigFoo = \Closure::bind(function($value = null) {
             return !is_null($value) ? Config::$config = $value : Config::$config;
-        }, null, Config::class);
+        }, null, '\\Think\\Config');
 
         self::$internalRangeFoo  = \Closure::bind(function($value = null) {
             return !is_null($value) ? Config::$range = $value : Config::$range;
-        }, null, Config::class);
+        }, null, '\\Think\\Config');
 
         self::$originConfig = call_user_func(self::$internalConfigFoo);
         self::$originRange  = call_user_func(self::$internalRangeFoo);
diff --git a/tests/thinkphp/library/think/requestTest.php b/tests/thinkphp/library/think/requestTest.php
index f86546e6..3da94a2e 100644
--- a/tests/thinkphp/library/think/requestTest.php
+++ b/tests/thinkphp/library/think/requestTest.php
@@ -157,15 +157,31 @@ class requestTest extends \PHPUnit_Framework_TestCase
 
     public function testIsAjax()
     {
-        $request                          = Request::create('');
+        $request = Request::create('');
+
+        $this->assertFalse($request->isAjax());
+
         $_SERVER['HTTP_X_REQUESTED_WITH'] = 'xmlhttprequest';
+        $this->assertFalse($request->isAjax());
+        $this->assertFalse($request->isAjax(true));
+
+        $request->server(['HTTP_X_REQUESTED_WITH' => 'xmlhttprequest']);
         $this->assertTrue($request->isAjax());
     }
 
     public function testIsPjax()
     {
-        $request                = Request::create('');
+        $request = Request::create('');
+
+        $this->assertFalse($request->isPjax());
+
         $_SERVER['HTTP_X_PJAX'] = true;
+        $this->assertFalse($request->isPjax());
+        $this->assertFalse($request->isPjax(true));
+
+        $request->server(['HTTP_X_PJAX' => true]);
+        $this->assertTrue($request->isPjax());
+        $request->server(['HTTP_X_PJAX' => false]);
         $this->assertTrue($request->isPjax());
     }