改进模型的字段缓存 虚拟模型不生成字段缓存

library/think/console/command/optimize/Schema.php

@@ -84,6 +84,7 @@ class Schema extends Command
 
     protected function buildModelSchema($class)
     {
+        if ($class instanceof \think\Model) {
             $table   = $class::getTable();
             $dbName  = $class::getConfig('database');
             $content = '<?php ' . PHP_EOL . 'return ';
@@ -91,6 +92,7 @@ class Schema extends Command
             $content .= var_export($info, true) . ';';
             file_put_contents(RUNTIME_PATH . 'schema' . DS . $dbName . '.' . $table . EXT, $content);
         }
+    }
 
     protected function buildDataBaseSchema($tables, $db)
     {