diff --git a/app/Http/Controllers/Admin/MailController.php b/app/Http/Controllers/Admin/MailController.php
index f72b0433..3383d6fe 100644
--- a/app/Http/Controllers/Admin/MailController.php
+++ b/app/Http/Controllers/Admin/MailController.php
@@ -3,24 +3,27 @@
 namespace App\Http\Controllers\Admin;
 
 use App\Http\Requests\Admin\MailSend;
+use App\Services\UserService;
 use Illuminate\Http\Request;
 use App\Http\Controllers\Controller;
-use App\Models\User;
 use App\Jobs\SendEmail;
 
 class MailController extends Controller
 {
     public function send(MailSend $request)
     {
-
+        $userService = new UserService();
+        $users = [];
         switch ($request->input('type')) {
-            case 1: $users = $this->getAllUser();
+            case 1: $users = $userService->getAllUsers();
             break;
-            case 2: $users = $this->getReceiver($request->input('receiver'));
+            case 2: $users = $userService->getUsersByIds($request->input('receiver'));
             break;
-            case 3: $users = $this->getSubscribeUser();
+            // available users
+            case 3: $users = $userService->getAvailableUsers();
             break;
-            case 4: $users = $this->getExpireUser();
+            // un available users
+            case 4: $users = $userService->getUnAvailbaleUsers();
             break;
         }
 
@@ -41,27 +44,4 @@ class MailController extends Controller
             'data' => true
         ]);
     }
-
-    private function getAllUser()
-    {
-        return User::all();
-    }
-
-    private function getReceiver($receiver)
-    {
-        if (empty($receiver)) {
-            abort(500, '收件人不能为空');
-        }
-        return User::whereIn('id', $receiver)->get();
-    }
-
-    private function getSubscribeUser()
-    {
-        return User::where('expired_at', '=>', time())->get();
-    }
-
-    private function getExpireUser()
-    {
-        return User::where('expired_at', '<', time())->get();
-    }
 }
diff --git a/app/Http/Controllers/Client/ClientController.php b/app/Http/Controllers/Client/ClientController.php
index 685876d8..093f6ee1 100755
--- a/app/Http/Controllers/Client/ClientController.php
+++ b/app/Http/Controllers/Client/ClientController.php
@@ -17,8 +17,8 @@ class ClientController extends Controller
         $user = $request->user;
         $server = [];
         // account not expired and is not banned.
-        $userService = new UserService($user);
-        if ($userService->isAvailable()) {
+        $userService = new UserService();
+        if ($userService->isAvailable($user)) {
             $servers = Server::where('show', 1)
                 ->orderBy('name')
                 ->get();
diff --git a/app/Http/Controllers/User/ServerController.php b/app/Http/Controllers/User/ServerController.php
index 2641f1dd..60c1ccb6 100644
--- a/app/Http/Controllers/User/ServerController.php
+++ b/app/Http/Controllers/User/ServerController.php
@@ -18,8 +18,8 @@ class ServerController extends Controller
     {
         $user = User::find($request->session()->get('id'));
         $server = [];
-        $userService = new UserService($user);
-        if ($userService->isAvailable()) {
+        $userService = new UserService();
+        if ($userService->isAvailable($user)) {
             $servers = Server::where('show', 1)
                 ->orderBy('name')
                 ->get();
diff --git a/app/Services/UserService.php b/app/Services/UserService.php
index 2182ccc4..a110d342 100644
--- a/app/Services/UserService.php
+++ b/app/Services/UserService.php
@@ -6,18 +6,57 @@ use App\Models\User;
 
 class UserService
 {
-    public $user;
-
-    public function __construct(User $user)
+    public function isAvailable(User $user)
     {
-        $this->user = $user;
-    }
-
-    public function isAvailable()
-    {
-        if ($this->user->enable && $this->user->transfer_enable && ($this->user->expired_at > time() || $this->user->expired_at == 0)) {
+        if ($user->enable && $user->transfer_enable && ($user->expired_at > time() || $user->expired_at == 0)) {
             return true;
         }
         return false;
     }
+
+    public function getAvailableUsers()
+    {
+        return User::whereRaw('u + d < transfer_enable')
+            ->where(function ($query) {
+                $query->where('expired_at', '>=', time())
+                    ->orWhere('expired_at', 0);
+            })
+            ->where('enable', 1)
+            ->select([
+                'id',
+                'email',
+                't',
+                'u',
+                'd',
+                'transfer_enable',
+                'enable',
+                'v2ray_uuid',
+                'v2ray_alter_id',
+                'v2ray_level'
+            ])
+            ->get();
+    }
+
+    public function getUnAvailbaleUsers()
+    {
+        return User::where(function ($query) {
+            $query->where('expired_at', '<', time())
+                ->orWhere('expired_at', 0);
+        })
+            ->where(function ($query) {
+            $query->where('plan_id', NULL)
+                ->orWhere('transfer_enable', 0);
+        })
+            ->get();
+    }
+
+    public function getUsersByIds($ids)
+    {
+        return User::whereIn('id', $ids)->get();
+    }
+
+    public function getAllUsers()
+    {
+        return User::all();
+    }
 }