diff --git a/src/SPC/builder/linux/SystemUtil.php b/src/SPC/builder/linux/SystemUtil.php
index 34b9cdef..e04c8e10 100644
--- a/src/SPC/builder/linux/SystemUtil.php
+++ b/src/SPC/builder/linux/SystemUtil.php
@@ -209,4 +209,21 @@ class SystemUtil
         }
         return $ret;
     }
+
+    /**
+     * Get fully-supported linux distros.
+     *
+     * @return string[] List of supported Linux distro name for doctor
+     */
+    public static function getSupportedDistros(): array
+    {
+        return [
+            // debian-like
+            'debian', 'ubuntu', 'Deepin',
+            // rhel-like
+            'redhat',
+            // alpine
+            'alpine',
+        ];
+    }
 }
diff --git a/src/SPC/doctor/item/LinuxToolCheckList.php b/src/SPC/doctor/item/LinuxToolCheckList.php
index 01df03d6..f57f01ce 100644
--- a/src/SPC/doctor/item/LinuxToolCheckList.php
+++ b/src/SPC/doctor/item/LinuxToolCheckList.php
@@ -62,6 +62,7 @@ class LinuxToolCheckList
                 'ubuntu',
                 'alpine',
                 'redhat',
+                'Deepin',
                 'debian' => CheckResult::fail(implode(', ', $missing) . ' not installed on your system', 'install-linux-tools', [$distro, $missing]),
                 default => CheckResult::fail(implode(', ', $missing) . ' not installed on your system'),
             };
@@ -70,7 +71,7 @@ class LinuxToolCheckList
     }
 
     /** @noinspection PhpUnused */
-    #[AsCheckItem('if necessary packages are installed', limit_os: 'Linux')]
+    #[AsCheckItem('if necessary linux headers are installed', limit_os: 'Linux')]
     public function checkSystemOSPackages(): ?CheckResult
     {
         if (SystemUtil::isMuslDist()) {
@@ -90,7 +91,7 @@ class LinuxToolCheckList
     public function fixBuildTools(array $distro, array $missing): bool
     {
         $install_cmd = match ($distro['dist']) {
-            'ubuntu', 'debian' => 'apt-get install -y',
+            'ubuntu', 'debian', 'Deepin' => 'apt-get install -y',
             'alpine' => 'apk add',
             'redhat' => 'dnf install -y',
             default => throw new RuntimeException('Current linux distro does not have an auto-install script for musl packages yet.'),
@@ -101,7 +102,7 @@ class LinuxToolCheckList
             logger()->warning('Current user is not root, using sudo for running command');
         }
         try {
-            $is_debian = in_array($distro['dist'], ['debian', 'ubuntu']);
+            $is_debian = in_array($distro['dist'], ['debian', 'ubuntu', 'Deepin']);
             $to_install = $is_debian ? str_replace('xz', 'xz-utils', $missing) : $missing;
             // debian, alpine libtool -> libtoolize
             $to_install = str_replace('libtoolize', 'libtool', $to_install);
diff --git a/src/SPC/doctor/item/OSCheckList.php b/src/SPC/doctor/item/OSCheckList.php
index 8c7aa762..eef30f60 100644
--- a/src/SPC/doctor/item/OSCheckList.php
+++ b/src/SPC/doctor/item/OSCheckList.php
@@ -13,13 +13,14 @@ class OSCheckList
 {
     use UnixSystemUtilTrait;
 
-    #[AsCheckItem('if current OS are supported', level: 999)]
+    #[AsCheckItem('if current OS are supported', level: 1000)]
     public function checkOS(): ?CheckResult
     {
         if (!in_array(PHP_OS_FAMILY, ['Darwin', 'Linux', 'BSD', 'Windows'])) {
             return CheckResult::fail('Current OS is not supported: ' . PHP_OS_FAMILY);
         }
         $distro = PHP_OS_FAMILY === 'Linux' ? (' ' . SystemUtil::getOSRelease()['dist']) : '';
-        return CheckResult::ok(PHP_OS_FAMILY . ' ' . php_uname('m') . $distro . ', supported');
+        $known_distro = PHP_OS_FAMILY === 'Linux' && in_array(SystemUtil::getOSRelease()['dist'], SystemUtil::getSupportedDistros());
+        return CheckResult::ok(PHP_OS_FAMILY . ' ' . php_uname('m') . $distro . ', supported' . ($known_distro ? '' : ' (but not tested on this distro)'));
     }
 }