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@@ -585,6 +585,10 @@ class Imap {
         $result = $this->fetch($data,'header',$is_uid);
         $result = $this->fetch($data,'header',$is_uid);
         // 解析header字段
         // 解析header字段
         foreach ($result as $key=>$item){
         foreach ($result as $key=>$item){
+            if(empty($item['HEADER.FIELDS'])){
+                unset($result[$key]);
+                continue;
+            }
             $result[$key]['HEADER.FIELDS'] = $this->parseHeader($item['HEADER.FIELDS']);
             $result[$key]['HEADER.FIELDS'] = $this->parseHeader($item['HEADER.FIELDS']);
             // 编码问题
             // 编码问题
             preg_match('/\("charset" "([a-z0-9\-]{3,})"\)/iU',$result[$key]['BODYSTRUCTURE'],$charset);
             preg_match('/\("charset" "([a-z0-9\-]{3,})"\)/iU',$result[$key]['BODYSTRUCTURE'],$charset);