diff --git a/app/Http/Controllers/Api/BalanceController.php b/app/Http/Controllers/Api/BalanceController.php
index 7549ed6..2c8898b 100644
--- a/app/Http/Controllers/Api/BalanceController.php
+++ b/app/Http/Controllers/Api/BalanceController.php
@@ -83,7 +83,7 @@ public function show(Balance $balance)
 
         $pay = Pay::alipay()->web([
             'out_trade_no' => $balance->order_id,
-            'total_amount' => 10,
+            'total_amount' => $balance->amount,
             'subject' => config('app.display_name') . ' 充值',
         ]);
 
@@ -140,6 +140,10 @@ public function checkAndCharge(Balance $balance, $check = false)
             }
         }
 
+        if ($balance->paid_at !== null) {
+            return true;
+        }
+
         try {
             (new Transaction)->addAmount($balance->user_id, 'alipay', $balance->amount);
 
diff --git a/app/Jobs/CheckAndChargeBalance.php b/app/Jobs/CheckAndChargeBalance.php
index ddd9f64..26532cd 100644
--- a/app/Jobs/CheckAndChargeBalance.php
+++ b/app/Jobs/CheckAndChargeBalance.php
@@ -30,7 +30,7 @@ public function handle()
 
         Balance::where('paid_at', null)->chunk(100, function ($balances) use ($bc) {
             foreach ($balances as $balance) {
-                if (!$bc->checkAndCharge($balance)) {
+                if (!$bc->checkAndCharge($balance, true)) {
                     if (now()->diffInDays($balance->created_at) > 1) {
                         $balance->delete();
                     }