diff --git a/src/Plugin.php b/src/Plugin.php
index 66e7c9df..bdd0ff72 100644
--- a/src/Plugin.php
+++ b/src/Plugin.php
@@ -207,7 +207,7 @@ public static function __callStatic(string $method, array $arguments)
                 return app(static::class)->appPath;
             case 'getappspace':
                 return app(static::class)->appSpace;
-            case 'getapppackage';
+            case 'getapppackage':
                 return app(static::class)->package;
             default:
                 $class = basename(str_replace('\\', '/', static::class));
diff --git a/src/service/CaptchaService.php b/src/service/CaptchaService.php
index bceb7fee..c2202044 100644
--- a/src/service/CaptchaService.php
+++ b/src/service/CaptchaService.php
@@ -152,7 +152,9 @@ private function _image(): string
         imagepng($img);
         $data = ob_get_contents();
         ob_end_clean();
-        imagedestroy($img);
+        if (version_compare(PHP_VERSION, '8.0.0', '<')) {
+            imagedestroy($img);
+        }
         return base64_encode($data);
     }