diff --git a/debian/rules b/debian/rules
index bd8812e6..00e1e53b 100755
--- a/debian/rules
+++ b/debian/rules
@@ -9,7 +9,7 @@ include /usr/share/dpkg/default.mk
 #include /usr/share/debhelper/dh_package_notes/package-notes.mk
 
 ifeq ($(DEB_VENDOR),Ubuntu)
-    DEFAULT_NTP_SERVERS = ntp.ubuntu.com
+    DEFAULT_NTP_SERVERS = ntp4.aliyun.com ntp3.aliyun.com ntp2.aliyun.com ntp1.aliyun.com
     SUPPORT_URL = http://www.ubuntu.com/support
     CONFFLAGS_DISTRO =
 ifeq ($(DEB_HOST_ARCH),amd64)
@@ -18,7 +18,7 @@ ifeq ($(DEB_HOST_ARCH),amd64)
 export DEB_LDFLAGS_MAINT_APPEND=-fcf-protection
 endif
 else
-    DEFAULT_NTP_SERVERS = 0.debian.pool.ntp.org 1.debian.pool.ntp.org 2.debian.pool.ntp.org 3.debian.pool.ntp.org
+    DEFAULT_NTP_SERVERS = ntp4.aliyun.com ntp3.aliyun.com ntp2.aliyun.com ntp1.aliyun.com
     SUPPORT_URL = https://www.debian.org/support
     CONFFLAGS_DISTRO =
 endif
diff --git a/meson_options.txt b/meson_options.txt
index 26d1170c..6de93d95 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -330,7 +330,7 @@ option('dns-servers', type : 'string',
        value : '1.1.1.1#cloudflare-dns.com 8.8.8.8#dns.google 1.0.0.1#cloudflare-dns.com 8.8.4.4#dns.google 2606:4700:4700::1111#cloudflare-dns.com 2001:4860:4860::8888#dns.google 2606:4700:4700::1001#cloudflare-dns.com 2001:4860:4860::8844#dns.google')
 option('ntp-servers', type : 'string',
        description : 'space-separated list of default NTP servers',
-       value : 'time1.google.com time2.google.com time3.google.com time4.google.com')
+       value : 'ntp4.aliyun.com ntp3.aliyun.com ntp2.aliyun.com ntp1.aliyun.com')
 option('support-url', type : 'string',
        description : 'the support URL to show in catalog entries included in systemd',
        value : 'https://lists.freedesktop.org/mailman/listinfo/systemd-devel')