diff --git a/app/Models/Host.php b/app/Models/Host.php
index 52719be..05fb365 100644
--- a/app/Models/Host.php
+++ b/app/Models/Host.php
@@ -99,7 +99,7 @@ public function cost($price = null, $auto = true)
             $this->price = $price;
         }
 
-        $this->price = round($this->price, 5);
+        $this->price = round($this->price, 8);
 
         $amount = $price / config('drops.rate') + 1;
 
diff --git a/app/Models/Transaction.php b/app/Models/Transaction.php
index 66aad03..8c9d96f 100644
--- a/app/Models/Transaction.php
+++ b/app/Models/Transaction.php
@@ -83,8 +83,8 @@ public function getDrops($user_id = null)
             'drops' => 0,
         ]);
 
-        // 保留 5 位
-        $drops['drops'] = round($drops['drops'], 5);
+        // 保留 8 位
+        $drops['drops'] = round($drops['drops'], 8);
 
         return $drops['drops'];
     }
diff --git a/app/Models/User.php b/app/Models/User.php
index 3adce98..cf257ad 100644
--- a/app/Models/User.php
+++ b/app/Models/User.php
@@ -70,6 +70,10 @@ public function toDrops($amount = 1)
 
         $total += $amount * $rate;
 
+
+        // amount 保留两位小数
+        $amount = round($amount, 2);
+
         $lock = Cache::lock("lock_" . $cache_key, 5);
         try {
             $lock->block(5);