diff --git a/examples/ref.php b/examples/ref.php
index 264cdc21..d867f412 100644
--- a/examples/ref.php
+++ b/examples/ref.php
@@ -1,11 +1,27 @@
 <?php
+
+//function test(&$b) {
+//    $b[] = 4;
+//}
+
+function test2($a, $b, $c)
+{
+    return $a + $b + $c;
+}
+
 function main()
 {
-    $a = [1, 2, 3];
-    $b = &$a;
-    $b[] = 5;
+//    test2(1, 2, 3);
+//    test2(c: 2, b: 3, a: 1);
+//    var_dump(str_contains(haystack: 'hello', needle: 'll'));
+//    $a = [1, 2, 3];
+//    $b = &$a;
+//    $b[] = 5;
+//
+//    $c = &$b;
+//    $c [] = 6;
+//    var_dump($a, $b, $c);
 
-    $c = &$b;
-    $c [] = 6;
-    var_dump($a, $b, $c);
+//    test($a);
+//    var_dump($a);
 }
diff --git a/src/Php/CompilerBase.php b/src/Php/CompilerBase.php
index 0613258e..ae55f568 100644
--- a/src/Php/CompilerBase.php
+++ b/src/Php/CompilerBase.php
@@ -783,6 +783,9 @@ class CompilerBase extends \PhpAot\Core\Translator
             if ($this->stubFile and !$param->type) {
                 throw new \RuntimeException('No type for ' . $this->parseIdentifier($param->var));
             }
+            if ($param->byRef) {
+                $this->fatalError($param, 'ByRef parameters are not supported');
+            }
             $name          = $this->parseIdentifier($param->var);
             $type          = $this->parseParameterType($param, $name);
             $list[]        = $type . ' ' . $name;
@@ -1790,6 +1793,9 @@ class CompilerBase extends \PhpAot\Core\Translator
     {
         $list_args = [];
         foreach ($args as $i => $arg) {
+            if ($arg->name !== null) {
+                $this->fatalError($arg, 'Named arguments are not supported');
+            }
             $argInfo     = $this->getArgInfo($arg, $nativeFunc, $i);
             $list_args[] = $this->getTypeConvertedArg($arg, $argInfo);
         }
@@ -1807,6 +1813,9 @@ class CompilerBase extends \PhpAot\Core\Translator
 
         $list_args = [];
         foreach ($args as $i => $arg) {
+            if ($arg->name !== null) {
+                $this->fatalError($arg, 'Named arguments are not supported');
+            }
             if ($this->isVarExpr($arg->value)) {
                 $name = $this->parseIdentifier($arg->value);
                 // 调用了不存在的变量，可能是引用