diff --git a/Laravel/app/Http/Controllers/API/Third/YiJiController.php b/Laravel/app/Http/Controllers/API/Third/YiJiController.php
index fce78f1..2a7a3e9 100644
--- a/Laravel/app/Http/Controllers/API/Third/YiJiController.php
+++ b/Laravel/app/Http/Controllers/API/Third/YiJiController.php
@@ -108,7 +108,7 @@ public function CheckAppointment()
 
                         $columns = '`' . implode('`, `', array_keys($params)) . '`';
                         $holders = implode(', ', array_fill(0, count($params), '?'));
-                        $assigns = implode(', ', array_map(fn($k) => "`{\$k}` = VALUES(`{\$k}`)", array_keys($params)));
+                        $assigns = implode(', ', array_map(fn($k) => "`$k` = VALUES(`$k`)", array_keys($params)));
 
                         $sql = "INSERT INTO `s_list` ({$columns}) VALUES ({$holders}) ON DUPLICATE KEY UPDATE {$assigns}";
                         DB::statement($sql, array_values($params));