diff --git a/server/gameserver/bullet.cc b/server/gameserver/bullet.cc
index 3c8476c..e0a1183 100644
--- a/server/gameserver/bullet.cc
+++ b/server/gameserver/bullet.cc
@@ -377,6 +377,7 @@ void Bullet::ProcPosionGasBomb(int delay_time)
         task->bomb_pos = GetPos();
         task->gun_meta = gun_meta;
         task->meta = meta;
+        task->Initialzie();
 
         room->xtimer.AddRepeatTimerAndAttach
             (SERVER_FRAME_RATE / 2,
@@ -417,6 +418,7 @@ void Bullet::ProcMolotorCocktailBomb(int delay_time)
         task->bomb_pos = GetPos();
         task->gun_meta = gun_meta;
         task->meta = meta;
+        task->Initialzie();
 
         room->xtimer.AddRepeatTimerAndAttach
             (SERVER_FRAME_RATE / 2,
diff --git a/server/gameserver/molotor_cocktail_mitask.cc b/server/gameserver/molotor_cocktail_mitask.cc
index d5da782..a0ec864 100644
--- a/server/gameserver/molotor_cocktail_mitask.cc
+++ b/server/gameserver/molotor_cocktail_mitask.cc
@@ -5,10 +5,26 @@
 #include "player.h"
 #include "metadata.h"
 
+void MolotorCocktailMiTask::Initialzie()
+{
+    sender.Get()->room->grid_service->GetAllCellsByXy
+        (
+         sender.Get()->room,
+         bomb_pos.x,
+         bomb_pos.y,
+         grid_list
+         );
+}
+
 void MolotorCocktailMiTask::Check()
 {
 }
 
 void MolotorCocktailMiTask::Done()
 {
+    for (auto& pair : targets) {
+        if (pair.second.Get()) {
+
+        }
+    }
 }
diff --git a/server/gameserver/molotor_cocktail_mitask.h b/server/gameserver/molotor_cocktail_mitask.h
index ea1a1e8..4082edc 100644
--- a/server/gameserver/molotor_cocktail_mitask.h
+++ b/server/gameserver/molotor_cocktail_mitask.h
@@ -1,6 +1,7 @@
 #pragma once
 
 #include "microtask.h"
+#include "gridcell.h"
 
 namespace MetaData
 {
@@ -18,7 +19,10 @@ class MolotorCocktailMiTask : public MicroTask
     CreatureWeakPtr sender;
     MetaData::Equip* gun_meta = nullptr;
     MetaData::Equip* meta = nullptr;
+    std::map<int, CreatureWeakPtr> targets;
+    std::set<GridCell*> grid_list;
 
+    void Initialzie();
     void Check();
     void Done();
 };
diff --git a/server/gameserver/posiongas_mitask.cc b/server/gameserver/posiongas_mitask.cc
index 2e90a9d..cf9c652 100644
--- a/server/gameserver/posiongas_mitask.cc
+++ b/server/gameserver/posiongas_mitask.cc
@@ -5,12 +5,42 @@
 #include "player.h"
 #include "metadata.h"
 
+void PosionGasMiTask::Initialzie()
+{
+    sender.Get()->room->grid_service->GetAllCellsByXy
+        (
+         sender.Get()->room,
+         bomb_pos.x,
+         bomb_pos.y,
+         grid_list
+         );
+}
+
 void PosionGasMiTask::Check()
 {
-
+    if (sender.Get()) {
+        std::set<Creature*> objects;
+        sender.Get()->room->grid_service->TouchCreatures
+            (
+             sender.Get()->room->GetRoomIdx(),
+             grid_list,
+             [this, &objects] (Creature* c, bool& stop)
+             {
+                 if (sender.Get()->IsProperTarget(c)) {
+                     if (bomb_pos.Distance(c->GetPos()) < meta->i->explosion_range()) {
+                         objects.insert(c);
+                     }
+                 }
+             }
+             );
+    }
 }
 
 void PosionGasMiTask::Done()
 {
+    for (auto& pair : targets) {
+        if (pair.second.Get()) {
 
+        }
+    }
 }
diff --git a/server/gameserver/posiongas_mitask.h b/server/gameserver/posiongas_mitask.h
index a6acab3..4933adf 100644
--- a/server/gameserver/posiongas_mitask.h
+++ b/server/gameserver/posiongas_mitask.h
@@ -1,6 +1,7 @@
 #pragma once
 
 #include "microtask.h"
+#include "gridcell.h"
 
 namespace MetaData
 {
@@ -18,7 +19,10 @@ class PosionGasMiTask : public MicroTask
     CreatureWeakPtr sender;
     MetaData::Equip* gun_meta = nullptr;
     MetaData::Equip* meta = nullptr;
+    std::map<int, CreatureWeakPtr> targets;
+    std::set<GridCell*> grid_list;
 
+    void Initialzie();
     void Check();
     void Done();
 };