imap_tools: can't get attachment by msg.attachments

Here’s a picture attachment

I can’t get it by msg.attachments

here’s my msg.obj

` Return-Path: test@foxmail.com X-Original-To: qmebi@contoso.app Delivered-To: qmebi@contoso.app Received: from qq.com (unknown [113.96.223.80]) by mail.contoso.app (Postfix) with ESMTP id DD4B62140DD4 for qmebi@contoso.app; Wed, 21 Oct 2020 03:34:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foxmail.com; s=s201512; t=1603251251; bh=bZSz/mtqfdz94kmtGaFYXC+YAQiOxaGFSWBJgZKsdU4=; h=From:To:Subject:Mime-Version:Date:Message-ID; b=bHrL4mJuop2NculsqdAgtZBTFjvA8VK2WqfJwn4MqmVpNUvfUQ/OyCzC7WAG2DjDq NhaAt5+61RCFDBKuv2NVx7xyH7xPTI0xVrCbUZinXDQQ53r6vBwP08jwx4GaP+b4k6 WYypqGbGKA2pDDUKmsABkHWdG2QbANM0YDCLnlBM= X-QQ-FEAT: AU3gs7VM8fUm1shbPQ2y/acBleNQwil+zNLsynIgszFw26Mnhh/EwwA+B+R36 yfTKfZtupqkoghvYDKTdaoIJHPvl3hwvMYCK5O0pgoIgbwuFYw2V5fn3Gldt7UXsU6U7tyH wqWfCV4fZ445hfnnbUWSDNVElNzvEyQ+KXbeWoY8wscD6YadaE8uZDImlxSshpPqQ6QZ+Hv LAH0CFTPcbU0pVX7JZWe+yehkkfGa8pNbg2udDcM+l2It8FiRxZE1Dd/e+eLR6ZeHxrSdcF zsYA== X-QQ-SSF: 00000000000000F100000000000000J X-QQ-XMAILINFO: MKhv4vGKTxZzZwBiOOWzJjOs1CMM2urx0EOWlCdHAK4tftFk+6UX7CdZHFmrau guT9pUXQHsD4SoKYAbJJgAkezWTcclYEtZ5xC4nTjAObSp7hATM9Wz70KG1uocKqaXQT7MJP0sc9c bpSK6QNPNd3+j7/BptWtYSJjEQSs7BFqvSDf3T7b1gPmf14cCPF4OGaIV332nu7Yfv6UeJDuMtM8E V8WKUfbWqjedOX7j/4mx94I9GBJK7MwebhIqqVST1wrdrAckfU+wzSRmn+GsvqRnYuog5vBEtUjMW dHVOpXPD3GtA0tqfs3mbYyV45ix3wR5P3AQQoVgyyFiIMVWW2Ro/pCCxW4t8IGJLDWtm7SE1x+n5l ovf0oGXFRVI14LDD6ANU8IspSEEhCNBy8VY8j4nAIbME2fbMvnlP65Ypa9e7HpLYcaJryAp/z0qh2 qUVXkbM7NBGR/gQfTjUa9HduSGNfUAdrPy/PCFyUr6TzuKfWdv1oaHe5muNm91NtaCZdPcy+bTNYf oI6eyoMTJflL8zriZXN7PjVgtZBrRkuGLDBBphNYVLKnqW0Pf9UQf46pCuQvvneVPqSb3pSzoy+O2 fiO8+pRyy/J/L9YrHExFlgz38D8S1qYzUq5nGEBOvkTiaJZfu/ie5Gmv0a8W0CkWEqmNgGCg556Wr cSs9YFvPuleEF6mSFSzbj7R1dz4Q== X-HAS-ATTACH: no X-QQ-BUSINESS-ORIGIN: 2 X-Originating-IP: 112.80.214.47 X-QQ-STYLE: X-QQ-mid: webmail615t1603251249t9058947 From: “=?ISO-8859-1?B?c2g=?=” test@foxmail.com To: “=?ISO-8859-1?B?cW1lYmk=?=” qmebi@contoso.app Subject: test Mime-Version: 1.0 Content-Type: multipart/related; type=“multipart/alternative”; boundary=“----=_NextPart_5F8FAC31_11789E80_23290B52” Content-Transfer-Encoding: 8Bit Date: Wed, 21 Oct 2020 11:34:09 +0800 X-Priority: 3 Message-ID: tencent_DF1A0C2499D7CA259C7FB26CDFCB49C60809@qq.com X-QQ-MIME: TCMime 1.0 by Tencent X-Mailer: QQMail 2.x X-QQ-Mailer: QQMail 2.x X-QQ-SENDSIZE: 520 Received: from qq.com (unknown [127.0.0.1]) by smtp.qq.com (ESMTP) with SMTP id ; Wed, 21 Oct 2020 11:34:10 +0800 (CST) Feedback-ID: webmail:foxmail.com:bgweb:bgweb17

This is a multi-part message in MIME format.

------=_NextPart_5F8FAC31_11789E80_23290B52 Content-Type: multipart/alternative; boundary=“----=_NextPart_5F8FAC31_11789E80_5FCFFC0B”;

------=_NextPart_5F8FAC31_11789E80_5FCFFC0B Content-Type: text/plain; charset=“ISO-8859-1” Content-Transfer-Encoding: base64

------=_NextPart_5F8FAC31_11789E80_5FCFFC0B Content-Type: text/html; charset=“ISO-8859-1” Content-Transfer-Encoding: base64

PG1ldGEgaHR0cC1lcXVpdj0iQ29udGVudC1UeXBlIiBjb250ZW50PSJ0ZXh0L2h0bWw7IGNo YXJzZXQ9R0IxODAzMCI+PGRpdj48aW1nIHNyYz0iY2lkOkY3NjM2MUZDQEUzQzUyMTVGLjMx QUM4RjVGLnBuZyIgc3R5bGU9IiIgaWQ9ImltZ19pbnNlcnRfMTYwMzI1MTI0NjI0MDA1MDE4 Mjg5MjE5NDk5NDU5Ij48YnI+PGJyPjwvZGl2Pg==

------=_NextPart_5F8FAC31_11789E80_5FCFFC0B–

------=_NextPart_5F8FAC31_11789E80_23290B52 Content-Type: image/jpeg; name=“F76361FC@E3C5215F.31AC8F5F.png.jpg” Content-Transfer-Encoding: base64 Content-ID: F76361FC@E3C5215F.31AC8F5F.png

iVBORw0KGgoAAAANSUhEUgAAAHMAAAAxCAYAAADp05aBAAADWklEQVR4Ae2bQWgTQRSG/2hB DFSkqVDJQYoXJZf05CF0IeRmbx4CAW+BQiB47Cl4KDnlJKUQCPQmiAF7qwdBigk5eFKEkBYJ olJasPGgEPEgkdnspjuzCdZOsG/GFwjJm52dvPd/897ODptI5fnhAPyyQoELVkTBQbgKMEyL JsLM++4Hi8L5v0OJDAYDvmZaMge4zFoCUoTBMBmmRQpYFApnJsO0SAGLQuHMtAjmjBpLv9/H lx8X1Wa2CSlw7fIvRKPRkEfSfebH3s9QB26gq8CN2CXJuVGZFRnJL7MUUJmNYHJpNQuk8FZl NoJpXijssaoAw1QVMdhmmAbDU11nmKoiBtsM02B4qusMU1XEYJthGgxPdT20nad2+Od2r4WH pTaawR92HOwmu0hvHARbve+zKJVzyMSGZvtJDcUGkH+wivu35bbl7D2sp+fHjAGMO090nNQ+ dpBzbqSbmQJg1UFeEUgA2a2uuu9NRzmIPbxpiLY4ljyQwkok427HZv012uopFtn0MlNH3E4X W+J85yqOKjUUQ8+qHaBYqJ38wmICz9ZSmDtpMfqbVTDbb4dlOJ9MIZNLIXMGNFsbteGEUM6V 2kXVyN1Sepy/SRdmo4G0WzJlkZr1baTrcptr9Vp4Guw/7tornRbHZnUFCalNvtYqh8ibdGG6 sx94XGhImRJcxPiLE6Fy+4WyaIqlsF5NkQcwTQfpwtSN8oyZKZVTyQd51SwdImIYB3NSmb2+ EEcpC5Tr3u3LX2XmMY4+CyLjSu9eqDoQYRdywxiYw8WNnB3BMjuXXkGms4OyH2JnZ8J9qd8h AK63j1di5evcDF1D/d4mfNKFKS2Aut794xUseJsDpxY3tPI8xsvKNsqB25av7z65mxT5JL0V 6qnjBEAX5giCJz6A5eydQOb4pfEPgN1JEVzmKvL0WnhU/w4sJnA3sNGg9DLCpAczdK2bR2bN wWGhiyWxFacsbGTAYzQfTQr/mJyZw1XwLEp58zcPRk/n8ZN5PmyzPoNP6NHdmzVLUxLeMkwS GKbjBMOcjo4kRok09r/xP6dJoNB3gjNTX0MyIzBMMij0HWGY+hqSGYFhkkGh7wjD1NeQzAgM kwwKfUcYpr6GZEZgmGRQ6DvCMPU1JDMCwySDQt+R3/9y7MbbsB7rAAAAAElFTkSuQmCC

------=_NextPart_5F8FAC31_11789E80_23290B52– `