diff --git a/webapp/services/FormulaService.php b/webapp/services/FormulaService.php
index af45546c..cd072011 100644
--- a/webapp/services/FormulaService.php
+++ b/webapp/services/FormulaService.php
@@ -43,13 +43,19 @@ class FormulaService extends BaseService {
         return round($ceg);
     }
 
-    public static function calcHeroPveCeg($heroDb, $uplimit)
+    public static function calcHeroPveCeg($heroDto, $instanceLevel, $instanceRank, $bossReward)
     {
+        $upLimit = $heroDto['pve_ceg_uplimit'];
+        $heroQuality = $heroDto['quality'];
+
+        $ceg = $upLimit *
+             max(1.15 - ($heroQuality - $instanceLevel) * 0.25, 0) *
+             (0.8 - ($instanceRank - 1) * 0.25 + $bossReward * 0.2) *
+             1/10;
+
         return 0;
     }
 
-
-
     public static function calcWeaponPvpCeg($weaponDto, $params)
     {
         //PVP武器NFT每日获得极限*(50%*[每局排名TopX%对应比例]+25%*[每局PK人数排名TopX%对应比例]+15%*[每局英雄属性排名TopX%对应比例]+5%*[每局武器属性排名TopX%对应比例]+5%*[每局存活时间排名TopX%对应比例])