diff --git a/server/gameserver/buff.h b/server/gameserver/buff.h
index 89b81d86..8442746c 100644
--- a/server/gameserver/buff.h
+++ b/server/gameserver/buff.h
@@ -34,6 +34,8 @@ class Buff
     list_head on_remove_contexts;
     a8::XTimerWp remover_timer;
     std::shared_ptr<a8::Args> init_args;
+    float res_scale = 1;
+    long long res_scale_frameno = 0;
 
     Buff();
     ~Buff();
diff --git a/server/gameserver/buff/callfunc.cc b/server/gameserver/buff/callfunc.cc
index e999cbe7..91f71376 100644
--- a/server/gameserver/buff/callfunc.cc
+++ b/server/gameserver/buff/callfunc.cc
@@ -440,10 +440,20 @@ void CallFuncBuff::ProcLightCircle()
                  } else if (kActiveDjsSkillTimerEvent == event) {
                      context->in_human_infos.clear();
                      context->active_skill_meta = args->Get<const mt::Skill*>(0);
+                     Buff* buff = owner->GetBuffByUniId(context->keep_buff_uniid);
+                     if (buff) {
+                         buff->res_scale = 2.0f;
+                         buff->res_scale_frameno = room->GetFrameNo();
+                     }
                      check_cb();
                  } else if (kDeactiveDjsSkillTimerEvent == event) {
                      context->in_human_infos.clear();
                      context->active_skill_meta = nullptr;
+                     Buff* buff = owner->GetBuffByUniId(context->keep_buff_uniid);
+                     if (buff) {
+                         buff->res_scale = 1.0f;
+                         buff->res_scale_frameno = room->GetFrameNo();
+                     }
                      check_cb();
                  }
              },
diff --git a/server/gameserver/pbutils.cc b/server/gameserver/pbutils.cc
index f7065e0c..087f82ef 100644
--- a/server/gameserver/pbutils.cc
+++ b/server/gameserver/pbutils.cc
@@ -295,6 +295,9 @@ void Buff::FillMFBuff(cs::MFBuff* buff_pb)
     buff_pb->set_left_time(GetLeftTime());
     buff_pb->set_lasting_time(GetLastingTime());
     buff_pb->set_buff_uniid(buff_uniid);
+    if (res_scale_frameno > 0) {
+        buff_pb->set_res_scale(res_scale);
+    }
     if (owner->IsHuman() &&
         (meta->buff_effect() == kBET_Driver ||
          meta->buff_effect() == kBET_Passenger)) {