diff --git a/start.php b/start.php
index fc906652..16c973b6 100644
--- a/start.php
+++ b/start.php
@@ -46,13 +46,3 @@ if (APP_HOOK && isset($mode['tags'])) {
 if (APP_AUTO_BUILD && is_file(APP_PATH . 'build.php')) {
     Build::run(include APP_PATH . 'build.php');
 }
-if (isset($mode['run'])) {
-    call_user_func($mode['run']);
-} else {
-    if (IN_UNIT_TEST) {
-        Loader::addNamespace('tests', TEST_PATH);
-    } else {
-        // 执行应用
-        App::run();
-    }
-}