diff --git a/webapp/services/FormulaService.php b/webapp/services/FormulaService.php
index bab7fece..96d6b0ff 100644
--- a/webapp/services/FormulaService.php
+++ b/webapp/services/FormulaService.php
@@ -2,6 +2,7 @@
 
 namespace services;
 
+require_once('mt/Item.php');
 require_once('mt/FormulaPvp.php');
 
 use mt;
@@ -245,7 +246,16 @@ class FormulaService extends BaseService {
     public static function calcHeroPvpTiliConsume($heroDb)
     {
         //ROUND((最大角色体力值-当前剩余体力值)*(PVP角色体力总价值+PVE角色体力总价值)/最大角色体力值,0)
-        return 0;
+        $heroMeta = mt\Item::get($heroDb['hero_id']);
+        if (!$heroMeta) {
+            return 0;
+        }
+        $cost = round(
+            ($heroMeta['init_tili'] - $heroDb['hero_tili']) *
+            (1) /
+            $heroMeta['init_tili']
+        );
+        return $cost;
     }
 
     public static function calcWeaponPvpDurabilityConsume($weaponDb)