diff --git a/src/main/java/emu/nebula/game/tower/StarTowerGame.java b/src/main/java/emu/nebula/game/tower/StarTowerGame.java
index 1fdb12c..b174adf 100644
--- a/src/main/java/emu/nebula/game/tower/StarTowerGame.java
+++ b/src/main/java/emu/nebula/game/tower/StarTowerGame.java
@@ -249,6 +249,10 @@ public class StarTowerGame {
         return Utils.randomElement(this.getCharIds());
     }
     
+    public void setHp(int hp) {
+        this.charHp = hp;
+    }
+    
     public StarTowerStageDef getStageData(int stageNum, int stageFloor) {
         var stageId = (this.getId() * 10000) + (stageNum * 100) + stageFloor;
         return GameData.getStarTowerStageDataTable().get(stageId);
@@ -792,7 +796,13 @@ public class StarTowerGame {
         
         // Handle interaction with tower case
         if (towerCase != null) {
+            // Interact with case
             rsp = towerCase.interact(req, rsp);
+            
+            // Remove case
+            if (towerCase.removeAfterInteract()) {
+                this.getRoom().getCases().remove(req.getId());
+            }
         } else {
             rsp.getMutableNilResp();
         }
diff --git a/src/main/java/emu/nebula/game/tower/cases/StarTowerBaseCase.java b/src/main/java/emu/nebula/game/tower/cases/StarTowerBaseCase.java
index a1da99a..4b7900b 100644
--- a/src/main/java/emu/nebula/game/tower/cases/StarTowerBaseCase.java
+++ b/src/main/java/emu/nebula/game/tower/cases/StarTowerBaseCase.java
@@ -29,6 +29,10 @@ public abstract class StarTowerBaseCase {
     }
     
     public abstract CaseType getType();
+    
+    public boolean removeAfterInteract() {
+        return true;
+    }
 
     public void register(StarTowerBaseRoom room) {
         this.game = room.getGame();
diff --git a/src/main/java/emu/nebula/game/tower/cases/StarTowerHawkerCase.java b/src/main/java/emu/nebula/game/tower/cases/StarTowerHawkerCase.java
index a2999de..6fdd398 100644
--- a/src/main/java/emu/nebula/game/tower/cases/StarTowerHawkerCase.java
+++ b/src/main/java/emu/nebula/game/tower/cases/StarTowerHawkerCase.java
@@ -30,6 +30,11 @@ public class StarTowerHawkerCase extends StarTowerBaseCase {
         return CaseType.Hawker;
     }
     
+    @Override
+    public boolean removeAfterInteract() {
+        return false;
+    }
+    
     @Override
     public void onRegister() {
         this.initGoods();
@@ -251,6 +256,10 @@ public class StarTowerHawkerCase extends StarTowerBaseCase {
                 info.setCharPos(goods.getCharPos());
             }
             
+            if (goods.isSold()) {
+                hawker.addPurchase(sid);
+            }
+            
             hawker.addList(info);
         }
         
diff --git a/src/main/java/emu/nebula/game/tower/cases/StarTowerNpcRecoveryHPCase.java b/src/main/java/emu/nebula/game/tower/cases/StarTowerNpcRecoveryHPCase.java
index 46d1c0e..aa1068c 100644
--- a/src/main/java/emu/nebula/game/tower/cases/StarTowerNpcRecoveryHPCase.java
+++ b/src/main/java/emu/nebula/game/tower/cases/StarTowerNpcRecoveryHPCase.java
@@ -24,6 +24,13 @@ public class StarTowerNpcRecoveryHPCase extends StarTowerBaseCase {
     
     @Override
     public StarTowerInteractResp interact(StarTowerInteractReq req, StarTowerInteractResp rsp) {
+        // Get hp
+        int hp = req.getRecoveryHPReq().getHp();
+        
+        // Sync with game
+        this.getGame().setHp(hp);
+        
+        // Complete
         return rsp;
     }
     
diff --git a/src/main/java/emu/nebula/game/tower/cases/StarTowerStrengthenMachineCase.java b/src/main/java/emu/nebula/game/tower/cases/StarTowerStrengthenMachineCase.java
index 7ea3c50..a9bfbc4 100644
--- a/src/main/java/emu/nebula/game/tower/cases/StarTowerStrengthenMachineCase.java
+++ b/src/main/java/emu/nebula/game/tower/cases/StarTowerStrengthenMachineCase.java
@@ -14,6 +14,11 @@ public class StarTowerStrengthenMachineCase extends StarTowerBaseCase {
     private int discount;
     private int times;
     
+    @Override
+    public boolean removeAfterInteract() {
+        return false;
+    }
+    
     @Override
     public void onRegister() {
         // Set strengthen price
diff --git a/src/main/java/emu/nebula/game/tower/cases/StarTowerSyncHPCase.java b/src/main/java/emu/nebula/game/tower/cases/StarTowerSyncHPCase.java
index e519c83..db1d0ac 100644
--- a/src/main/java/emu/nebula/game/tower/cases/StarTowerSyncHPCase.java
+++ b/src/main/java/emu/nebula/game/tower/cases/StarTowerSyncHPCase.java
@@ -15,6 +15,13 @@ public class StarTowerSyncHPCase extends StarTowerBaseCase {
     
     @Override
     public StarTowerInteractResp interact(StarTowerInteractReq req, StarTowerInteractResp rsp) {
+        // Get hp
+        int hp = req.getRecoveryHPReq().getHp();
+        
+        // Sync with game
+        this.getGame().setHp(hp);
+        
+        // Complete
         return rsp;
     }
     
diff --git a/src/main/java/emu/nebula/server/handlers/HandlerStarTowerInfoReq.java b/src/main/java/emu/nebula/server/handlers/HandlerStarTowerInfoReq.java
new file mode 100644
index 0000000..ce85ad7
--- /dev/null
+++ b/src/main/java/emu/nebula/server/handlers/HandlerStarTowerInfoReq.java
@@ -0,0 +1,24 @@
+package emu.nebula.server.handlers;
+
+import emu.nebula.net.NetHandler;
+import emu.nebula.net.NetMsgId;
+import emu.nebula.net.HandlerId;
+import emu.nebula.net.GameSession;
+
+@HandlerId(NetMsgId.star_tower_info_req)
+public class HandlerStarTowerInfoReq extends NetHandler {
+
+    @Override
+    public byte[] handle(GameSession session, byte[] message) throws Exception {
+        // Get star tower game
+        var game = session.getPlayer().getStarTowerManager().getGame();
+        
+        if (game == null) {
+            return session.encodeMsg(NetMsgId.star_tower_info_failed_ack);
+        }
+        
+        // Encode and send
+        return session.encodeMsg(NetMsgId.star_tower_info_succeed_ack, game.toProto());
+    }
+
+}