diff --git a/app/Admin/Metrics/NewUsers.php b/app/Admin/Metrics/NewUsers.php
index 0ba45129..c442107f 100644
--- a/app/Admin/Metrics/NewUsers.php
+++ b/app/Admin/Metrics/NewUsers.php
@@ -2,6 +2,8 @@
 
 namespace App\Admin\Metrics;
 
+use App\Models\User;
+use Carbon\Carbon;
 use Dcat\Admin\Widgets\Metrics\Line;
 use Illuminate\Http\Request;
 
@@ -40,30 +42,30 @@ class NewUsers extends Line
         };
 
         switch ($request->get('option')) {
-            case '365':
+            case '90':
                 // 卡片内容
-                $this->withContent(mt_rand(1000, 5000).'k');
+                $start_time = Carbon::now()->subDays(89)->startOfDay();
+                $end_time = Carbon::now()->endOfDay();
+                $this->withContent($this->getUserCount($start_time, $end_time).'人');
                 // 图表数据
-                $this->withChart(collect($generator(30))->toArray());
+                $this->withChart($this->getUserGenerator($start_time, $end_time, 90));
                 break;
             case '30':
                 // 卡片内容
-                $this->withContent(mt_rand(400, 1000).'k');
+                $start_time = Carbon::now()->subDays(29)->startOfDay();
+                $end_time = Carbon::now()->endOfDay();
+                $this->withContent($this->getUserCount($start_time, $end_time).'人');
                 // 图表数据
-                $this->withChart(collect($generator(30))->toArray());
-                break;
-            case '28':
-                // 卡片内容
-                $this->withContent(mt_rand(400, 1000).'k');
-                // 图表数据
-                $this->withChart(collect($generator(28))->toArray());
+                $this->withChart($this->getUserGenerator($start_time, $end_time, 30));
                 break;
             case '7':
             default:
                 // 卡片内容
-                $this->withContent('89.2k');
+                $start_time = Carbon::now()->subDays(7)->startOfDay();
+                $end_time = Carbon::now()->endOfDay();
+                $this->withContent($this->getUserCount($start_time, $end_time).'人');
                 // 图表数据
-                $this->withChart([28, 40, 36, 52, 38, 60, 55]);
+                $this->withChart($this->getUserGenerator($start_time, $end_time, 7));
         }
     }
 
@@ -86,6 +88,29 @@ class NewUsers extends Line
         ]);
     }
 
+    /**
+     * 获取指定时间段用户数量
+     */
+    public function getUserCount($start_time, $end_time)
+    {
+        return User::whereBetween('created_at', [$start_time, $end_time])->count();
+    }
+
+    public function getUserGenerator($start_time, $end_time, $days, $groupBy='d')
+    {
+        $list = User::selectRaw("COUNT(DISTINCT id) AS userNum, DATE_FORMAT(created_at,'%Y-%m-%d') dDay")
+                    ->whereBetween('created_at', [$start_time, $end_time])
+                    ->groupBy('dDay')->pluck('userNum', 'dDay')->toArray();
+        for ($i = 0; $i<=$days; $i++) {
+            $time = Carbon::now()->subDay($i)->toDateString();
+            if (!isset($list[Carbon::now()->subDay($i)->toDateString()])) {
+                $list[$time] = 0;
+            }
+        }
+        ksort($list);
+        return array_values($list);
+    }
+
     /**
      * 设置卡片内容.
      *