diff --git a/app/Http/Controllers/Admin/HomeController.php b/app/Http/Controllers/Admin/HomeController.php
index 8043810..e917888 100644
--- a/app/Http/Controllers/Admin/HomeController.php
+++ b/app/Http/Controllers/Admin/HomeController.php
@@ -74,9 +74,10 @@ class HomeController extends CommonController
             ->limit(8)
             ->get();
         // 上月满意度评价分析
+        $lastMonth = date('Y-m', strtotime('-1 month'));
         $satisfied = Orders::with('project', 'paramedic')
             ->whereNotNull('comment')
-            ->where('created_at', 'like', '%' . date('Y-m', strtotime('-1 month') . '%'))
+            ->where('created_at', 'like', '%' . $lastMonth . '%')
             ->orderBy('score', 'desc')
             ->limit(8)
             ->get();