diff --git a/server/gameserver/mt/Grasp.cc b/server/gameserver/mt/Grasp.cc
index f2d96b1e..a5e74340 100644
--- a/server/gameserver/mt/Grasp.cc
+++ b/server/gameserver/mt/Grasp.cc
@@ -116,7 +116,45 @@ namespace mt
 
     std::set<int>* Grasp::GetBuffs(int hero_id, int hero_lv, int gun_id)
     {
-        long long key = a8::MakeInt64(hero_id, hero_lv);
+        int internal_lv = 1;
+        switch (hero_lv) {
+        case 1:
+        case 2:
+        case 3:
+        case 4:
+            {
+                internal_lv = 1;
+            }
+            break;
+        case 5:
+        case 6:
+        case 7:
+        case 8:
+        case 9:
+            {
+                internal_lv = 5;
+            }
+            break;
+        case 10:
+        case 11:
+        case 12:
+        case 13:
+        case 14:
+            {
+                internal_lv = 10;
+            }
+            break;
+        default:
+            {
+                if (hero_lv < 1) {
+                    internal_lv = 1;
+                } else {
+                    internal_lv = 15;
+                }
+            }
+            break;
+        }
+        long long key = a8::MakeInt64(hero_id, internal_lv);
         auto itr = hero_id_lv_gun_hash_.find(key);
         if (itr != hero_id_lv_gun_hash_.end()) {
             if (std::get<0>(itr->second) == gun_id) {