diff --git a/src/Concerns/ConcreteMagic.php b/src/Concerns/ConcreteMagic.php
index f7f7d09..38a3cdb 100644
--- a/src/Concerns/ConcreteMagic.php
+++ b/src/Concerns/ConcreteMagic.php
@@ -13,7 +13,6 @@
 namespace Guanguans\SoarPHP\Concerns;
 
 use Guanguans\SoarPHP\Exceptions\InvalidOptionException;
-use Symfony\Component\VarDumper\VarDumper;
 
 /**
  * @mixin \Guanguans\SoarPHP\Soar
@@ -52,9 +51,7 @@ public function __wakeup(): void
 
     public function __debugInfo(): array
     {
-        $debugInfo = ['commandLine' => (string) $this];
-
-        return class_exists(VarDumper::class) ? $debugInfo : get_object_vars($this) + $debugInfo;
+        return $this->mergeDebugInfo(['commandLine' => (string) $this]);
     }
 
     /**
diff --git a/src/Concerns/WithDumpable.php b/src/Concerns/WithDumpable.php
index b69f7ad..0087ce6 100644
--- a/src/Concerns/WithDumpable.php
+++ b/src/Concerns/WithDumpable.php
@@ -46,4 +46,9 @@ public function dump(...$args): self
 
         return $this;
     }
+
+    private function mergeDebugInfo(array $debugInfo): array
+    {
+        return class_exists(VarDumper::class) ? $debugInfo : get_object_vars($this) + $debugInfo;
+    }
 }