diff --git a/application/admin/controller/Order.php b/application/admin/controller/Order.php
index e8a1bde..a030bc7 100644
--- a/application/admin/controller/Order.php
+++ b/application/admin/controller/Order.php
@@ -471,15 +471,7 @@ class Order extends Backend
 
     function generateOrderNumber($prefix = '')
     {
-        // 获取当前时间戳（精确到毫秒）
-        $timestamp = microtime(true);
-        $date = date('YmdHis', (int)$timestamp);  // 格式：YYYYMMDDHHMMSS
-//        $randomNum = strtoupper(substr(md5($timestamp), 0, 4)); // 从时间戳生成一个随机字符串，取前四个字符
-        $code = str_pad(mt_rand(0, 999999), 6, '0', STR_PAD_LEFT);
-        // 组合生成的订单编号
-        $orderNumber = $prefix . $date . $code;
-        // 取 MD5 前10位
-        return substr(md5($orderNumber), 0, 10);
+        return \app\admin\model\Order::generateOrderNo();
     }
 
     use AmapTrait;
diff --git a/application/admin/model/Order.php b/application/admin/model/Order.php
index 6218187..1036f48 100644
--- a/application/admin/model/Order.php
+++ b/application/admin/model/Order.php
@@ -3,6 +3,8 @@
 namespace app\admin\model;
 
 use app\admin\library\Auth;
+use app\common\services\RedisService;
+use think\Cache;
 use think\Model;
 use traits\model\SoftDelete;
 
@@ -279,4 +281,25 @@ class Order extends Model
         return $this->belongsTo(Worker::class,'worker_id',);
     }
 
+    /**
+     * 生成唯一订单号：8位纯数字（如25063001）
+     * 格式：yyMMdd + 当天自增序号
+     */
+    public static function generateOrderNo()
+    {
+        $date = date('ymd'); // 6 位日期
+        $key = 'order_inc:' . date('Ymd');
+
+        $redis = new RedisService(0);
+        $inc = $redis->incrWithExpire($key);
+
+        if ($inc > 9999) {
+            throw new \Exception('订单号已满');
+        }
+
+        $suffix = str_pad($inc, 4, '0', STR_PAD_LEFT); // 可改为 4 位更安全
+        return $date . $suffix; // 最终结果：如 2506300001
+    }
+
+
 }
diff --git a/application/common/services/RedisService.php b/application/common/services/RedisService.php
new file mode 100644
index 0000000..f1a1840
--- /dev/null
+++ b/application/common/services/RedisService.php
@@ -0,0 +1,28 @@
+<?php
+
+namespace app\common\services;
+
+use think\Cache;
+
+class RedisService
+{
+    protected $redis;
+
+    /**
+     * @param int $db Redis数据库编号，默认 0
+     */
+    public function __construct(int $db = 0)
+    {
+        $this->redis = Cache::store('redis')->handler();
+        $this->redis->select($db);
+    }
+
+    public function incrWithExpire(string $key, int $expireSeconds = 86400)
+    {
+        $val = $this->redis->incr($key);
+        if ($val === 1) {
+            $this->redis->expire($key, $expireSeconds);
+        }
+        return $val;
+    }
+}
\ No newline at end of file