一键升级leve=0的bug修复

Gameserver/App/process/StoreProc.php

@@ -687,8 +687,10 @@ class StoreProc {
 
         $user->baseInfo->gold -= $need_gold;
         $user->store->removeItem($tuzhiId, $need_item);
-        $user->store->equip->$posId->level = $up_lv;
-
+        if($up_lv >0){
+            $user->store->equip->$posId->level = $up_lv;
+        }
+        
         TaskProc::OnAnyEquipUpLevel_X();
         TaskProc::OnAllEquipUpLevel_X();
         TaskProc::OnEquipLevelUpNum();