diff --git a/app/Http/Controllers/User/BalanceController.php b/app/Http/Controllers/User/BalanceController.php
index c9eca7b..3bd9829 100644
--- a/app/Http/Controllers/User/BalanceController.php
+++ b/app/Http/Controllers/User/BalanceController.php
@@ -25,7 +25,7 @@ public function store(Request $request)
     {
         // 充值
         $request->validate([
-            'amount' => 'required|integer|max:10000',
+            'amount' => 'required|integer|min:1|max:10000',
         ]);
 
         $user = $request->user();