修复请求mer/getPhpToken?3269报错问题，真厉害的传值

app/middleware/SecurityMiddleware.php

@@ -94,7 +94,7 @@ class SecurityMiddleware
     /**
      * 检测攻击
      */
-    protected function detectAttack($value, string $key = ''): bool
+    protected function detectAttack($value, $key): bool
     {
         if (!is_string($value)) {
             return false;