Description:
I am running Arch Linux with Deepin desktop environment and latest kernel 4.15.15-1-ARCH. after update startdde from 3.1.26-1 to 3.1.27-1, i am no longer able to login to the desktop environment. the xsession kept crashing,

Additional info:
* package version(s): startdde-3.1.27-1
* config and/or log files etc.

logs from xsessions-error:

(process:874): GLib-GIO-ERROR **: 20:26:06.089: Settings schema 'com.deepin.dde.startdde' does not contain a key named 'iowait-enabled'
SIGTRAP: trace trap
PC=0x7fdc1d414ed2 m=0 sigcode=128

goroutine 0 [idle]:
runtime: unknown pc 0x7fdc1d414ed2
stack: frame={sp:0x7ffec56caf60, fp:0x0} stack=[0x7ffec4ecc320,0x7ffec56cb350)
00007ffec56cae60: 0000000000000058 9fb0a6fd337d5f00
00007ffec56cae70: 0000000000000001 00007fdc1beca4e0
00007ffec56cae80: 00005555e271d8f0 0000000000000004
00007ffec56cae90: 0000000000000004 00007fdc1d417790
00007ffec56caea0: 0000000000000000 00007fdc1d417729
00007ffec56caeb0: 00005555e270d224 0000000000000004
00007ffec56caec0: 00007ffec56caf70 0000000000000004
00007ffec56caed0: 0000000000000000 0000000000000004
00007ffec56caee0: 00005555e2710290 0000000000000004
00007ffec56caef0: 00007ffec56caf70 00007fdc1d455f19
00007ffec56caf00: 0000000000000000 0000000000000004
00007ffec56caf10: 00007ffec56caf70 0000000000000004
00007ffec56caf20: 0000000000000000 00007fdc1d415ac1
00007ffec56caf30: 0000000000000000 0000000000000000
00007ffec56caf40: 0000000000000004 0000000000000004
00007ffec56caf50: 0000000000000004 00007fdc1d414ec9
00007ffec56caf60: <0000000000000000 00007fdc1d415f7d
00007ffec56caf70: 00007fdc1d462e05 00007fdc1d4b85c0
00007ffec56caf80: ffffffffffffffff 00007fdc1d462d48
00007ffec56caf90: 00005555e270d1c0 ffffffffffffffff
00007ffec56cafa0: 00007fdc1d462d5b 00007fdc1d462c35
00007ffec56cafb0: ffffffffffffffff 00007fdc1d462db5
00007ffec56cafc0: 00007fdc1da4b758 ffffffffffffffff
00007ffec56cafd0: 00005555e270d1c0 9fb0a6fd337d5f00
00007ffec56cafe0: 0000000000000004 00007fdc1d41621f
00007ffec56caff0: 00007fdc1da4b758 00005555e270d1c0
00007ffec56cb000: 0000000100296928 00007fdc1d415ed0
00007ffec56cb010: 0000000000000000 00007fdc1da4b758
00007ffec56cb020: 00005555e2700064 0000000000000041
00007ffec56cb030: 6b7365642e656d6f 616665642e706f74
00007ffec56cb040: 6c7070612d746c75 736e6f6974616369
00007ffec56cb050: 2e65636966666f2e 7261646e656c6163
runtime: unknown pc 0x7fdc1d414ed2
stack: frame={sp:0x7ffec56caf60, fp:0x0} stack=[0x7ffec4ecc320,0x7ffec56cb350)
00007ffec56cae60: 0000000000000058 9fb0a6fd337d5f00
00007ffec56cae70: 0000000000000001 00007fdc1beca4e0
00007ffec56cae80: 00005555e271d8f0 0000000000000004
00007ffec56cae90: 0000000000000004 00007fdc1d417790
00007ffec56caea0: 0000000000000000 00007fdc1d417729
00007ffec56caeb0: 00005555e270d224 0000000000000004
00007ffec56caec0: 00007ffec56caf70 0000000000000004
00007ffec56caed0: 0000000000000000 0000000000000004
00007ffec56caee0: 00005555e2710290 0000000000000004
00007ffec56caef0: 00007ffec56caf70 00007fdc1d455f19
00007ffec56caf00: 0000000000000000 0000000000000004
00007ffec56caf10: 00007ffec56caf70 0000000000000004
00007ffec56caf20: 0000000000000000 00007fdc1d415ac1
00007ffec56caf30: 0000000000000000 0000000000000000
00007ffec56caf40: 0000000000000004 0000000000000004
00007ffec56caf50: 0000000000000004 00007fdc1d414ec9
00007ffec56caf60: <0000000000000000 00007fdc1d415f7d
00007ffec56caf70: 00007fdc1d462e05 00007fdc1d4b85c0
00007ffec56caf80: ffffffffffffffff 00007fdc1d462d48
00007ffec56caf90: 00005555e270d1c0 ffffffffffffffff
00007ffec56cafa0: 00007fdc1d462d5b 00007fdc1d462c35
00007ffec56cafb0: ffffffffffffffff 00007fdc1d462db5
00007ffec56cafc0: 00007fdc1da4b758 ffffffffffffffff
00007ffec56cafd0: 00005555e270d1c0 9fb0a6fd337d5f00
00007ffec56cafe0: 0000000000000004 00007fdc1d41621f
00007ffec56caff0: 00007fdc1da4b758 00005555e270d1c0
00007ffec56cb000: 0000000100296928 00007fdc1d415ed0
00007ffec56cb010: 0000000000000000 00007fdc1da4b758
00007ffec56cb020: 00005555e2700064 0000000000000041
00007ffec56cb030: 6b7365642e656d6f 616665642e706f74
00007ffec56cb040: 6c7070612d746c75 736e6f6974616369
00007ffec56cb050: 2e65636966666f2e 7261646e656c6163

goroutine 1 [syscall]:
runtime.cgocall(0x5555e1649e20, 0xc420065df8, 0x5555e2711ab0)
/usr/lib/go/src/runtime/cgocall.go:128 +0x66 fp=0xc420065dc8 sp=0xc420065d90 pc=0x5555e12de6e6
gir/gio-2%2e0._Cfunc_g_settings_get_boolean(0x5555e26e3570, 0x5555e2711ab0, 0x0)
_cgo_gotypes.go:8186 +0x4f fp=0xc420065df8 sp=0xc420065dc8 pc=0x5555e14d4fcf
gir/gio-2%2e0.(*Settings).GetBoolean.func2(0x5555e26e3570, 0x5555e2711ab0, 0x5555e2711ab0)
/usr/share/gocode/src/gir/gio-2.0/gio.go:10188 +0x62 fp=0xc420065e30 sp=0xc420065df8 pc=0x5555e14da8d2
gir/gio-2%2e0.(*Settings).GetBoolean(0xc420154060, 0x5555e1663b98, 0xe, 0x0)
/usr/share/gocode/src/gir/gio-2.0/gio.go:10188 +0x94 fp=0xc420065e68 sp=0xc420065e30 pc=0x5555e14d7e24
main.getGSettingsConfig(0x5555e1666a9d)
/build/startdde/src/startdde-3.1.27/utils.go:247 +0x111 fp=0xc420065ec8 sp=0xc420065e68 pc=0x5555e163ee51
main.main()
/build/startdde/src/startdde-3.1.27/main.go:66 +0x36 fp=0xc420065f88 sp=0xc420065ec8 pc=0x5555e163fc66
runtime.main()
/usr/lib/go/src/runtime/proc.go:198 +0x21a fp=0xc420065fe0 sp=0xc420065f88 pc=0x5555e130869a
runtime.goexit()
/usr/lib/go/src/runtime/asm_amd64.s:2361 +0x1 fp=0xc420065fe8 sp=0xc420065fe0 pc=0x5555e1332ae1

goroutine 5 [IO wait]:
internal/poll.runtime_pollWait(0x7fdc1fd5ce30, 0x72, 0xc420014c10)
/usr/lib/go/src/runtime/netpoll.go:173 +0x59
internal/poll.(*pollDesc).wait(0xc4200e8798, 0x72, 0xc42013f300, 0x1000, 0x0)
/usr/lib/go/src/internal/poll/fd_poll_runtime.go:85 +0x9d
internal/poll.(*pollDesc).waitRead(0xc4200e8798, 0xc420014c00, 0x10, 0x10)
/usr/lib/go/src/internal/poll/fd_poll_runtime.go:90 +0x3f
internal/poll.(*FD).ReadMsg(0xc4200e8780, 0xc420014c10, 0x10, 0x10, 0xc42013f320, 0x1000, 0x1000, 0x0, 0x0, 0x0, ...)
/usr/lib/go/src/internal/poll/fd_unix.go:231 +0x1f3
net.(*netFD).readMsg(0xc4200e8780, 0xc420014c10, 0x10, 0x10, 0xc42013f320, 0x1000, 0x1000, 0x5555e1951640, 0xc420011ab0, 0xc420014b46, ...)
/usr/lib/go/src/net/fd_unix.go:214 +0x92
net.(*UnixConn).readMsg(0xc42000e540, 0xc420014c10, 0x10, 0x10, 0xc42013f320, 0x1000, 0x1000, 0xc420014b46, 0x5555e19ece00, 0xc420014a7c, ...)
/usr/lib/go/src/net/unixsock_posix.go:115 +0x93
net.(*UnixConn).ReadMsgUnix(0xc42000e540, 0xc420014c10, 0x10, 0x10, 0xc42013f320, 0x1000, 0x1000, 0xc4200d10a0, 0x7, 0xc420014b4c, ...)
/usr/lib/go/src/net/unixsock.go:137 +0xac
pkg.deepin.io/lib/dbus.(*oobReader).Read(0xc42013f300, 0xc420014c10, 0x10, 0x10, 0x1020, 0xc42013f300, 0x0)
/usr/share/gocode/src/pkg.deepin.io/lib/dbus/transport_unix.go:38 +0x91
io.ReadAtLeast(0x5555e19e9500, 0xc42013f300, 0xc420014c10, 0x10, 0x10, 0x10, 0x5555e1997900, 0x1, 0xc42013f300)
/usr/lib/go/src/io/io.go:309 +0x88
io.ReadFull(0x5555e19e9500, 0xc42013f300, 0xc420014c10, 0x10, 0x10, 0xc420061cf8, 0x5555e1320571, 0x30)
/usr/lib/go/src/io/io.go:327 +0x5a
pkg.deepin.io/lib/dbus.(*unixTransport).ReadMessage(0xc420011560, 0xc420098960, 0x14, 0x5555e165c8ac)
/usr/share/gocode/src/pkg.deepin.io/lib/dbus/transport_unix.go:98 +0x115
pkg.deepin.io/lib/dbus.(*Conn).inWorker(0xc4200b4c60)
/usr/share/gocode/src/pkg.deepin.io/lib/dbus/conn.go:265 +0x4d
created by pkg.deepin.io/lib/dbus.(*Conn).Auth
/usr/share/gocode/src/pkg.deepin.io/lib/dbus/auth.go:139 +0x6c5

goroutine 6 [chan receive]:
pkg.deepin.io/lib/dbus.(*Conn).outWorker(0xc4200b4c60)
/usr/share/gocode/src/pkg.deepin.io/lib/dbus/conn.go:387 +0x65
created by pkg.deepin.io/lib/dbus.(*Conn).Auth
/usr/share/gocode/src/pkg.deepin.io/lib/dbus/auth.go:140 +0x6ea

rax 0x0
rbx 0x1
rcx 0x7fdc1bec9b00
rdx 0x1
rdi 0x1
rsi 0x0
rbp 0x4
rsp 0x7ffec56caf60
r8 0x7
r9 0x7fdc1fdb8980
r10 0x7fdc1bc8c640
r11 0x0
r12 0x4
r13 0x4
r14 0x6
r15 0x2
rip 0x7fdc1d414ed2
rflags 0x202
cs 0x33
fs 0x0
gs 0x0


Steps to reproduce:
update startdde from 3.1.26-1 to 3.1.27-1 by running "sudo pacman -Syu"
reboot