diff --git a/src/think/route/RuleGroup.php b/src/think/route/RuleGroup.php
index c36b5faffd..b678d3266e 100644
--- a/src/think/route/RuleGroup.php
+++ b/src/think/route/RuleGroup.php
@@ -263,8 +263,7 @@ protected function checkMergeRuleRegex(Request $request, array &$rules, string $
         $regex = [];
         $items = [];
 
-        foreach ($rules as $key => $val) {
-            $item = $val[1];
+        foreach ($rules as $key => $item) {
             if ($item instanceof RuleItem) {
                 $rule = $depr . str_replace('/', $depr, $item->getRule());
                 if ($depr == $rule && $depr != $url) {