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@@ -151,7 +151,7 @@ class Body {
 
 
         // 有附件的情况
         // 有附件的情况
         preg_match('/boundary="(.*)"/Ui',$body,$boundary);
         preg_match('/boundary="(.*)"/Ui',$body,$boundary);
-        if($boundary[0]??''){
+        if(!empty($boundary[0])){
             $body = str_replace($boundary[0],'',$body);
             $body = str_replace($boundary[0],'',$body);
 //            $body = mb_substr($body,mb_strpos($body,$boundary[0])+strlen($boundary[0]),99999999999);
 //            $body = mb_substr($body,mb_strpos($body,$boundary[0])+strlen($boundary[0]),99999999999);
         }
         }
@@ -232,7 +232,8 @@ class Body {
             }
             }
 
 
             // 先匹配留存文件名称
             // 先匹配留存文件名称
-            preg_match('/filename="(\w?.*)"/',$item,$filename);
+            $filename = '';
+            preg_match('/filename="(\w?.*)"/U',$item,$filename);
             if(!empty($filename[1])){
             if(!empty($filename[1])){
 //                $filename = MailFun::decodeMimeStr($filename[1]);
 //                $filename = MailFun::decodeMimeStr($filename[1]);
                 $filename = mb_decode_mimeheader($filename[1]);
                 $filename = mb_decode_mimeheader($filename[1]);
@@ -318,7 +319,7 @@ class Body {
 
 
         $data['filename'] = $this->file_save_name($item['body'],'filename');
         $data['filename'] = $this->file_save_name($item['body'],'filename');
         $data['name'] = $this->file_save_name($item['body'],'name');
         $data['name'] = $this->file_save_name($item['body'],'name');
-        $data['name']   =   $data['name'] ? : ($item['name']??$filename);
+        $data['name']   =   $data['name'] ? : (empty($item['name'])?$filename:$item['name']);
         $data['filename'] = $data['filename'] ? : $data['name'];
         $data['filename'] = $data['filename'] ? : $data['name'];
 
 
         // 是否有文件名
         // 是否有文件名
@@ -396,7 +397,7 @@ class Body {
     // 获取文件名称
     // 获取文件名称
     private function file_save_name(&$body,$tag){
     private function file_save_name(&$body,$tag){
         preg_match('/'.$tag.'="[(\S\W.*\s.*)]{1,}"/i',$body,$result);
         preg_match('/'.$tag.'="[(\S\W.*\s.*)]{1,}"/i',$body,$result);
-        if($result[0]??''){
+        if(!empty($result[0])){
             $body = str_replace($result[0],'',$body);
             $body = str_replace($result[0],'',$body);
         }
         }
         $val = trim(str_replace([$tag.'=','"',"'"],'',$result[0]??''));
         $val = trim(str_replace([$tag.'=','"',"'"],'',$result[0]??''));