diff --git a/webapp/controller/HeroController.class.php b/webapp/controller/HeroController.class.php
index 8d09039d..194c114f 100644
--- a/webapp/controller/HeroController.class.php
+++ b/webapp/controller/HeroController.class.php
@@ -140,7 +140,7 @@ class HeroController extends BaseAuthedController {
         $heroUniId = getReqVal('hero_uniid', 0);
         $heroDb = Hero::find($heroUniId);
         if (!$heroDb) {
-            $this->_rspErr(1, 'hero does not exist');
+            $this->_rspErr(1, 'hero does not exist1');
             return;
         }
         $heroDto = Hero::toDto($heroDb);
@@ -164,7 +164,7 @@ class HeroController extends BaseAuthedController {
                 }
             }
             if (!$found) {
-                $this->_rspErr(1, 'hero does not exist');
+                $this->_rspErr(1, 'hero does not exist2');
                 return;
             }
             $this->_setV(TN_HERO_LEVEL_UP, $idx, 0);
diff --git a/webapp/mt/HeroLevelAttr.php b/webapp/mt/HeroLevelAttr.php
index 384de985..38fc8f28 100644
--- a/webapp/mt/HeroLevelAttr.php
+++ b/webapp/mt/HeroLevelAttr.php
@@ -28,7 +28,9 @@ class HeroLevelAttr {
                 )) {
                     $val = self::getAttrValue($meta);
                     if ($val > 0) {
-                        array_push(array(
+                        array_push(
+                            $newAttrs,
+                            array(
                             'attr_id' => $meta['attr_id'],
                             'type' => $meta['type'],
                             'val' => $val,
@@ -37,7 +39,7 @@ class HeroLevelAttr {
                 }
             }
         }
-        AttrHelper::addRandAttrs($dbAttrs, $newAttrs);
+        AttrHelper::mergeAttr($dbAttrs, $newAttrs);
         return true;
     }
 
@@ -48,8 +50,8 @@ class HeroLevelAttr {
         $totalSpace = 0;
         foreach ($strs as $tmpStr) {
             $strs2 = explode(':', $tmpStr);
-            if (count($str2) == 2) {
-                $totalSpace += $str2[1];
+            if (count($strs2) == 2) {
+                $totalSpace += $strs2[1];
             }
         }
 
@@ -58,11 +60,11 @@ class HeroLevelAttr {
             $currSpace = 0;
             foreach ($strs as $tmpStr) {
                 $strs2 = explode(':', $tmpStr);
-                if (count($str2) == 2) {
-                    $currSpace += $str2[1];
+                if (count($strs2) == 2) {
+                    $currSpace += $strs2[1];
                 }
                 if ($randSpace <= $currSpace) {
-                    return $str2[0];
+                    return $strs2[0];
                 }
             }
         }