1

@@ -330,14 +330,27 @@ class Mail {
             foreach ($body as $key=>$item){
                 if(!$description && in_array($item['type']??'',['text/html','text/plain'])){
 
-                    $value = iconv($item['charset'],'utf-8',$item['body']);
+                    // 是否是base64
+                    $value = @base64_decode($item['body']);
+
+                    if(!$value){
+                        $value = $item['body'];
+                    }
+
+                    if(!empty($item['charset'])){
+                        $value = iconv($item['charset'],'utf-8',$value);
+                    }
                     $value=preg_replace("/<(script.*?)>(.*?)<(\/script.*?)>/si","",$value); //过滤script标签
                     $value=preg_replace("/<(\/?script.*?)>/si","",$value); //过滤script标签
                     $value=preg_replace("/javascript/si","Javascript",$value); //过滤script标签
+                    $value=preg_replace("/<(style.*?)>(.*?)<(\/style.*?)>/si","",$value); //过滤style标签
+                    $value=preg_replace("/<(\/?style.*?)>/si","",$value); //过滤style标签
+
                     $value = strip_tags($value);
                     $value = str_replace(["\n",' ',"\\n","&nbsp;"],'',$value);
                     $description = mb_substr(trim($value),0,190);
                 }
+
                 if(!empty($body[$key]['body'])){
                     $body[$key]['body'] = base64_encode($body[$key]['body']);
                 }