diff --git a/webapp/controller/GunController.class.php b/webapp/controller/GunController.class.php
index bfc81ac4..c4143bca 100644
--- a/webapp/controller/GunController.class.php
+++ b/webapp/controller/GunController.class.php
@@ -779,4 +779,23 @@ class GunController extends BaseAuthedController {
         ));
     }
 
+    public function getLastQualityInfo(){
+        $tokenId = getReqVal('token_id', '');
+        if (!$tokenId){
+            $this->_rspErr(1, ' error param');
+            return;
+        }
+        $gunDb = Gun::findByTokenId2($tokenId);
+        if(!$gunDb || $gunDb['quality']<2){
+            $this->_rspErr(1, ' error param');
+            return;
+        }
+        $oldGunDb = $gunDb;
+        $oldGunDb['quality'] -= 1;
+        $this->_rspData(array(
+            'new_gun' =>Gun::toDto($gunDb),
+            'old_gun'=>Gun::toDto($oldGunDb)
+        ));
+    }
+
 }
diff --git a/webapp/controller/HeroController.class.php b/webapp/controller/HeroController.class.php
index b065694f..9f230d0b 100644
--- a/webapp/controller/HeroController.class.php
+++ b/webapp/controller/HeroController.class.php
@@ -915,4 +915,23 @@ class HeroController extends BaseAuthedController {
             'old_hero'=>$oldHero
         ));
     }
+
+    public function getLastQualityInfo(){
+        $tokenId = getReqVal('token_id', '');
+        if (!$tokenId){
+            $this->_rspErr(1, ' error param');
+            return;
+        }
+        $heroDb = Hero::findByTokenId2($tokenId);
+        if(!$heroDb || $heroDb['quality']<2){
+            $this->_rspErr(1, ' error param');
+            return;
+        }
+        $oldHeroDb = $heroDb;
+        $oldHeroDb['quality'] -= 1;
+        $this->_rspData(array(
+            'new_hero' =>Hero::toDto($heroDb),
+            'old_hero'=>Hero::toDto($oldHeroDb)
+        ));
+    }
 }