diff --git a/tests/thinkphp/library/think/requestTest.php b/tests/thinkphp/library/think/requestTest.php
index a37fdf78..964b5c85 100644
--- a/tests/thinkphp/library/think/requestTest.php
+++ b/tests/thinkphp/library/think/requestTest.php
@@ -175,4 +175,12 @@ class requestTest extends \PHPUnit_Framework_TestCase
         $this->assertTrue($request->isMobile());
     }
 
+    public function testBind()
+    {
+        $request       = new Request();
+        $request->user = 'User1';
+        $request->bind(['user' => 'User2']);
+        $this->assertEquals('User2', $request->user);
+    }
+
 }