diff --git a/webapp/models/Hero.php b/webapp/models/Hero.php
index d1362658..2785fa20 100644
--- a/webapp/models/Hero.php
+++ b/webapp/models/Hero.php
@@ -153,6 +153,21 @@ class Hero extends BaseModel {
             $speed = $heroMeta['move_speed'] * (1 + mt\AttrHelper::getRateVal(kHAT_Speed));
             $atk = $heroMeta['damage'] * (1 + mt\AttrHelper::getRateVal(kHAT_Atk));
             $def = $heroMeta['defence'] * (1 + mt\AttrHelper::getRateVal(kHAT_Def));
+            if ($qualityMeta) {
+                $hp = $hp * (1 + $qualityMeta['promote'] / 100.0);
+            }
+            if ($qualityMeta) {
+                $speed *= (1 + $qualityMeta['promote'] / 100.0);
+            }
+            if ($qualityMeta) {
+                $speed *= (1 + $qualityMeta['promote'] / 100.0);
+            }
+            if ($qualityMeta) {
+                $atk *= (1 + $qualityMeta['promote'] / 100.0);
+            }
+            if ($qualityMeta) {
+                $def *= (1 + $qualityMeta['promote'] / 100.0);
+            }
         }
         $heroLucky = $qualityMeta ? $qualityMeta['lucky'] : 0;
         $dto = array(