只需将此代码添加到functions.php 加载页面时，始终会立即启用“查看”-->“显示块”

if( !function_exists(\'custom_settings_tinymce\') ){
  function custom_settings_tinymce($init) {

    $init[\'visualblocks_default_state\'] = true;

    return $init;
  }
  add_filter(\'tiny_mce_before_init\', \'custom_settings_tinymce\' );
}