diff --git a/devFolder/src/command/langs/list/ja_JP.json b/devFolder/src/command/langs/list/ja_JP.json
index a944ef5..ae9773d 100644
--- a/devFolder/src/command/langs/list/ja_JP.json
+++ b/devFolder/src/command/langs/list/ja_JP.json
@@ -402,7 +402,7 @@
   },
   "tpaRequestTimedOut": {
     "msgid": "§3 TPA request from §6{playerName}§3 has timed out.",
-    "msgstr": "§b{playerName}§6に送ったTPAリクエストがタイムアウトしました！"
+    "msgstr": "§b{playerName}§6宛てのTPAリクエストがタイムアウトしました！"
   },
   "jpchCom": {
     "msgid": "§2 Functions like LunaChat.",
diff --git a/devFolder/src/command/langs/list/ja_JP.ts b/devFolder/src/command/langs/list/ja_JP.ts
index 09c7472..aec7873 100644
--- a/devFolder/src/command/langs/list/ja_JP.ts
+++ b/devFolder/src/command/langs/list/ja_JP.ts
@@ -357,7 +357,7 @@ export const translations = {
   },
   "tpaRequestTimedOut": {
     msgid: "§3 TPA request from §6{playerName}§3 has timed out.",
-    msgstr: "§b{playerName}§6に送ったTPAリクエストがタイムアウトしました！"
+    msgstr: "§b{playerName}§6宛てのTPAリクエストがタイムアウトしました！"
   },
   "jpchCom": {
     msgid: "§2 Functions like LunaChat.",
diff --git a/devFolder/src/command/plugin/chest.ts b/devFolder/src/command/plugin/chest.ts
index fda77d4..f560068 100644
--- a/devFolder/src/command/plugin/chest.ts
+++ b/devFolder/src/command/plugin/chest.ts
@@ -11,6 +11,8 @@ interface ChestProtectionData {
   members: string[];
 }
 
+const CHEST_CHECK_RADIUS = 64; 
+
 const CHECK_INTERVAL = 20 * 60; // 1分 (20ティック/秒 * 60秒)
 
 let protectedChests: Record<string, ChestProtectionData> = {};
@@ -435,18 +437,29 @@ async function revertChest(location: Vector3) {
 }
 
 function checkProtectedChests() {
+  const players = world.getPlayers(); // オンラインのプレイヤーを取得
+
   for (const chestKey in protectedChests) {
     const location = parseChestKey(chestKey);
     const dimension = world.getDimension('overworld');
 
-    try {
-      const block = dimension.getBlock(location);
-      if (!isChest(block)) {
-        delete protectedChests[chestKey];
-        console.warn(`Removed data for non-existent chest at ${chestKey}`);
+    // プレイヤーがチェストの近くにいたらチェックを行う
+    const isPlayerNearby = players.some(player =>
+      Math.abs(player.location.x - location.x) <= CHEST_CHECK_RADIUS &&
+      Math.abs(player.location.y - location.y) <= CHEST_CHECK_RADIUS &&
+      Math.abs(player.location.z - location.z) <= CHEST_CHECK_RADIUS
+    );
+
+    if (isPlayerNearby) {
+      try {
+        const block = dimension.getBlock(location);
+        if (!isChest(block)) {
+          delete protectedChests[chestKey];
+          console.warn(`Removed data for non-existent chest at ${chestKey}`);
+        }
+      } catch (error) {
+        console.warn(`Chunk at ${location} is not loaded.`);
       }
-    } catch (error) {
-      console.warn(`Chunk at ${location} is not loaded.`);
     }
   }
   saveProtectedChests();
diff --git a/devFolder/src/command/plugin/packet.ts b/devFolder/src/command/plugin/packet.ts
index 0a53cb1..debcff1 100644
--- a/devFolder/src/command/plugin/packet.ts
+++ b/devFolder/src/command/plugin/packet.ts
@@ -374,14 +374,14 @@ function detectAirJump(player: Player): { cheatType: string } | null {
       const jumpHeight = currentPosition.y - Math.min(previousPosition.y, twoTicksAgoPosition.y);
 
       if (
-        jumpHeight > 1.0 || 
+        jumpHeight > 1.5 || 
         horizontalAcceleration > 2.1 ||
         (verticalAcceleration > 1.3 && previousVerticalAcceleration > 0.8) ||
         velocityChangeRate > 0.9 ||
         (player.isJumping && horizontalSpeed > 0.9)
       ) {
         data.jumpCounter++;
-        if (data.jumpCounter >= 1) {
+        if (data.jumpCounter >= 2) {
           return { cheatType: '(AirJump|Fly)' }; // 通常のAirJumpとして検出
         }
       }
@@ -592,7 +592,7 @@ function getExcludedEffects(): string[] {
 function checkPlayerSpeed(player: Player): { cheatType: string } | null {
   const speed = calculatePlayerSpeed(player);
   const data = playerData[player.id];
-  const maxAllowedSpeed = 0.6; 
+  const maxAllowedSpeed = 0.7; 
   
   
 
@@ -782,7 +782,7 @@ function runTick(): void {
 
       
 
-      player.runCommandAsync(`titleraw @s actionbar {"rawtext":[{"text":"§a現在Pingシステム実験中: ${playerData[playerId].spikeLaggingData.pingStatus} tick/ping"}]}`);
+      //player.runCommandAsync(`titleraw @s actionbar {"rawtext":[{"text":"§a現在Pingシステム実験中: ${playerData[playerId].spikeLaggingData.pingStatus} tick/ping"}]}`);
 
 
 
diff --git a/devFolder/src/command/utility/tpa.ts b/devFolder/src/command/utility/tpa.ts
index ab15f70..a7949cc 100644
--- a/devFolder/src/command/utility/tpa.ts
+++ b/devFolder/src/command/utility/tpa.ts
@@ -113,7 +113,7 @@ registerCommand({
       const targetPlayer = player.dimension.getPlayers().find((p) => p.name === args[1]);
 
       if (!targetPlayer) {
-        player.sendMessage(translate(player, 'playerNotFound', { playerName: args[1] }));
+        player.sendMessage(translate(player, 'PlayerNotFound', { playerName: args[1] }));
         return;
       }