diff --git a/server/gameserver/room.cc b/server/gameserver/room.cc
index 4464cd6..67851f6 100644
--- a/server/gameserver/room.cc
+++ b/server/gameserver/room.cc
@@ -2128,17 +2128,20 @@ void Room::ProcDieAndroid(int die_time, int die_num)
     #endif
     std::vector<Android*> alive_humans;
     alive_humans.reserve(human_hash_.size());
-    for (auto& pair : human_hash_) {
-        if (pair.second->IsAndroid() &&
-            !pair.second->real_dead &&
-            pair.second->team_uuid.empty() &&
-            a8::HasBitFlag(pair.second->status, HS_Disable) &&
-            !HasPlayerInRound(pair.second->GetPos(), VIEW_RANGE))
-            {
-            Android* hum = (Android*)pair.second;
-            alive_humans.push_back(hum);
-            if (alive_humans.size() > 20) {
-                break;
+    {
+        if (frame_no % 8 < 5) {
+            for (auto itr = human_hash_.begin(); itr != human_hash_.end(); ++itr) {
+                CheckAliveHuman(itr->second, alive_humans);
+                if (alive_humans.size() > 16) {
+                    break;
+                }
+            }
+        } else {
+            for (auto itr = human_hash_.rbegin(); itr != human_hash_.rend(); ++itr) {
+                CheckAliveHuman(itr->second, alive_humans);
+                if (alive_humans.size() > 16) {
+                    break;
+                }
             }
         }
     }
@@ -2398,3 +2401,15 @@ void Room::CheckPartObjects(Human* testa, Human* testb)
         }
     }
 }
+
+void Room::CheckAliveHuman(Human* hum, std::vector<Android*>& alive_humans)
+{
+    if (hum->IsAndroid() &&
+        !hum->real_dead &&
+        hum->team_uuid.empty() &&
+        a8::HasBitFlag(hum->status, HS_Disable) &&
+        !HasPlayerInRound(hum->GetPos(), VIEW_RANGE)) {
+        Android* hum = (Android*)hum;
+        alive_humans.push_back(hum);
+    }
+}
diff --git a/server/gameserver/room.h b/server/gameserver/room.h
index 1b0c3ce..c12a3ae 100644
--- a/server/gameserver/room.h
+++ b/server/gameserver/room.h
@@ -36,6 +36,7 @@ class Player;
 class Building;
 class Hero;
 class AabbCollider;
+class Android;
 class Room
 {
 public:
@@ -169,6 +170,7 @@ private:
     void ProcDisableHuman();
     void OnHumanGridChg(Human* target);
     void ShuaGridRound(Human* target);
+    void CheckAliveHuman(Human* hum, std::vector<Android*>& alive_humans);
 
 private:
     int elapsed_time_ = 0;