use bwrap

.SRCINFO

 pkgbase = wechat-uos
 	pkgdesc = UOS专业版微信 (迫真魔改版)
 	pkgver = 2.0.0
-	pkgrel = 5
+	pkgrel = 6
 	arch = x86_64
 	license = custom
 	depends = gtk2
@@ -10,6 +10,7 @@ pkgbase = wechat-uos
 	depends = gconf
 	depends = nss
 	depends = lsb-release
+	depends = bubblewrap
 	source = https://cdn-package-store6.deepin.com/appstore/pool/appstore/c/com.qq.weixin/com.qq.weixin_2.0.0_amd64.deb
 	source = uos-lsb
 	source = uos-release
@@ -17,7 +18,7 @@ pkgbase = wechat-uos
 	md5sums = 5b8c60c9f94fd874df749abdd1dccec6
 	md5sums = 22fba1df4190124f76bd8b6eb400787a
 	md5sums = 83cc604a6c8ceedcfb66bb732f8c030f
-	md5sums = a7d7323cd865cc44fee09adb52963a78
+	md5sums = 069a824b6e757436401c26251fbffc49
 
 pkgname = wechat-uos
 

PKGBUILD

+# Maintainer: DuckSoft <realducksoft@gmail.com>
 pkgname=wechat-uos
 pkgver=2.0.0
-pkgrel=5
+pkgrel=6
 pkgdesc="UOS专业版微信 (迫真魔改版)"
 arch=('x86_64')
-depends=(gtk2 gtk3 libxss gconf nss lsb-release)
+depends=(gtk2 gtk3 libxss gconf nss lsb-release bubblewrap)
 license=('custom')
 source=('https://cdn-package-store6.deepin.com/appstore/pool/appstore/c/com.qq.weixin/com.qq.weixin_2.0.0_amd64.deb' 'uos-lsb' 'uos-release' 'wechat-uos')
 md5sums=('5b8c60c9f94fd874df749abdd1dccec6'
          '22fba1df4190124f76bd8b6eb400787a'
          '83cc604a6c8ceedcfb66bb732f8c030f'
-         'a7d7323cd865cc44fee09adb52963a78')
+         '069a824b6e757436401c26251fbffc49')
 package() {
     tar xpf data.tar.xz -C $pkgdir
-    install -Dm644 uos-lsb uos-release -t "$pkgdir"/opt/apps/com.qq.weixin/craps/
+    install -Dm644 -t "$pkgdir"/opt/apps/com.qq.weixin/craps/ \
+        uos-lsb \
+        uos-release
     install -Dm755 wechat-uos -t "$pkgdir"/usr/bin/
 }

wechat-uos

 #!/bin/bash -e
-unshare --user --map-root-user -m bash <<EOF
-mount --make-rprivate /
-mount --bind /opt/apps/com.qq.weixin/craps/uos-release /etc/os-release
-mount --bind /opt/apps/com.qq.weixin/craps/uos-lsb /etc/lsb-release
-/opt/apps/com.qq.weixin/files/wechat
-EOF
+bwrap --dev-bind / / \
+      --bind /opt/apps/com.qq.weixin/craps/uos-release /etc/os-release \
+      --bind /opt/apps/com.qq.weixin/craps/uos-lsb /etc/lsb-release \
+      /opt/apps/com.qq.weixin/files/wechat