diff --git a/src/think/console/command/optimize/Schema.php b/src/think/console/command/optimize/Schema.php
index 6ce3e64a85..424daaf309 100644
--- a/src/think/console/command/optimize/Schema.php
+++ b/src/think/console/command/optimize/Schema.php
@@ -67,7 +67,12 @@ protected function execute(Input $input, Output $output)
                 if (0 === strpos($file, '.')) {
                     continue;
                 }
+
                 $class = '\\' . $namespace . '\\model\\' . pathinfo($file, PATHINFO_FILENAME);
+                if (!class_exists($class)) {
+                    continue;
+                }
+                
                 $this->buildModelSchema($class);
             }
         }