diff --git a/library/think/Route.php b/library/think/Route.php
index 1629d636..4a630adc 100644
--- a/library/think/Route.php
+++ b/library/think/Route.php
@@ -1126,8 +1126,8 @@ class Route
              || (isset($option['ajax']) && !$option['ajax'] && $request->isAjax()) // 非Ajax检测
              || (isset($option['pjax']) && $option['pjax'] && !$request->isPjax()) // Pjax检测
              || (isset($option['pjax']) && !$option['pjax'] && $request->isPjax()) // 非Pjax检测
-             || (isset($option['ext']) && false === stripos('|' . $option['ext'] . '|', $request->ext() ? '|' . $request->ext() . '|' : '')) // 伪静态后缀检测
-             || (isset($option['deny_ext']) && false !== stripos('|' . $option['deny_ext'] . '|', $request->ext() ? '|' . $request->ext() . '|' : ''))
+             || (isset($option['ext']) && false === stripos('|' . $option['ext'] . '|', '|' . $request->ext() . '|')) // 伪静态后缀检测
+             || (isset($option['deny_ext']) && false !== stripos('|' . $option['deny_ext'] . '|', '|' . $request->ext() . '|'))
             || (isset($option['domain']) && !in_array($option['domain'], [$_SERVER['HTTP_HOST'], self::$subDomain])) // 域名检测
              || (isset($option['https']) && $option['https'] && !$request->isSsl()) // https检测
              || (isset($option['https']) && !$option['https'] && $request->isSsl()) // https检测