diff --git a/library/think/console/command/optimize/Autoload.php b/library/think/console/command/optimize/Autoload.php
index dfedaa5a..453e8f7e 100644
--- a/library/think/console/command/optimize/Autoload.php
+++ b/library/think/console/command/optimize/Autoload.php
@@ -82,7 +82,7 @@ EOF;
             // dump($pathCode);
             if (!isset($classMap[$class])) {
                 $classMap[$class] = $pathCode;
-            } elseif ($this->io && $classMap[$class] !== $pathCode && !preg_match('{/(test|fixture|example|stub)s?/}i', strtr($classMap[$class] . ' ' . $path, '\\', '/'))) {
+            } elseif ($classMap[$class] !== $pathCode && !preg_match('{/(test|fixture|example|stub)s?/}i', strtr($classMap[$class] . ' ' . $path, '\\', '/'))) {
                 $this->output->writeln(
                     '<warning>Warning: Ambiguous class resolution, "' . $class . '"' .
                     ' was found in both "' . str_replace(["',\n"], [