重写demo脚本

@@ -372,8 +372,8 @@ class InitHtmlLogic extends BaseLogic
         if(!empty($commonInfo['head_html']) && !empty($commonInfo['footer_html'])){
             $html = preg_replace('/<header\b[^>]*>(.*?)<\/header>/s', $commonInfo['head_html'], $html);
             $html = preg_replace('/<footer\b[^>]*>(.*?)<\/footer>/s', $commonInfo['footer_html'], $html);
-            $html = preg_replace('/<style id="globalsojs-header">(.*?)<\/style>/s', $commonInfo['head_css'], $html);
-            $html = preg_replace('/<style id="globalsojs-footer">(.*?)<\/style>/s', $commonInfo['footer_css'], $html);
+            $html = preg_replace('/<style id="globalsojs-header">(.*?)<\/style>/s', $commonInfo['head_style'] ?? '', $html);
+            $html = preg_replace('/<style id="globalsojs-footer">(.*?)<\/style>/s', $commonInfo['footer_style'] ?? '', $html);
         }
         return $html;
     }