diff --git a/.idea/misc.xml b/.idea/misc.xml
index 34a2006c8..b41fa3fa8 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -13,9 +13,11 @@
     </option>
   </component>
   <component name="ProjectRootManager" version="2" languageLevel="JDK_17" project-jdk-name="corretto-17" project-jdk-type="JavaSDK" />
-  <component name="SwUserDefinedSpecifications">
-    <option name="specTypeByUrl">
-      <map />
+  <component name="WorkspaceManager">
+    <option name="workspaces">
+      <value>
+        <list size="0" />
+      </value>
     </option>
   </component>
 </project>
\ No newline at end of file
diff --git a/src/main/java/com/jaoafa/mymaid4/event/Event_ChatBan.java b/src/main/java/com/jaoafa/mymaid4/event/Event_ChatBan.java
index ffb40df9f..1b3c32392 100644
--- a/src/main/java/com/jaoafa/mymaid4/event/Event_ChatBan.java
+++ b/src/main/java/com/jaoafa/mymaid4/event/Event_ChatBan.java
@@ -30,7 +30,19 @@
 import org.bukkit.event.player.PlayerQuitEvent;
 import org.bukkit.scheduler.BukkitRunnable;
 
+import java.util.List;
+
 public class Event_ChatBan implements Listener, EventPremise {
+    private final List<String> tell1v1 = List.of(
+        "tell",
+        "msg",
+        "message",
+        "m",
+        "t",
+        "r",
+        "w"
+    );
+
     @Override
     public String description() {
         return "ChatBanに関する各種処理を行います。";
@@ -88,7 +100,8 @@ public void onPlayerCommandPreprocessEvent(PlayerCommandPreprocessEvent event) {
         // ChatBanされてる
         if (!chatBan.isStatus()) return;
         String command = event.getMessage();
-        if (!command.toLowerCase().startsWith("/chatban")) return;
+        if (!command.toLowerCase().startsWith("/chatban") && tell1v1.stream().map(c -> "/" + c).noneMatch(command::startsWith))
+            return;
         event.setCancelled(true);
         player.sendMessage("[ChatBan] " + ChatColor.GREEN + "あなたはコマンドを実行できません。");
         Bukkit.getLogger().info("[ChatBan] " + player.getName() + "==>あなたはコマンドを実行できません。");
diff --git a/src/main/java/com/jaoafa/mymaid4/lib/ChatBan.java b/src/main/java/com/jaoafa/mymaid4/lib/ChatBan.java
index 3918b4787..f6b73f655 100644
--- a/src/main/java/com/jaoafa/mymaid4/lib/ChatBan.java
+++ b/src/main/java/com/jaoafa/mymaid4/lib/ChatBan.java
@@ -133,11 +133,13 @@ public Result addBan(String banned_by, String reason) {
                 ));
 
                 TextChannel sendTo = getDiscordSendTo();
-                sendTo.sendMessage(
-                    String.format("__**ChatBan[追加]**__: プレイヤー「%s」が「%s」によって「%s」という理由でChatBanされました。",
-                        MyMaidLibrary.DiscordEscape(player.getName()),
-                        MyMaidLibrary.DiscordEscape(banned_by),
-                        MyMaidLibrary.DiscordEscape(reason))).queue();
+                if (sendTo != null) {
+                    sendTo.sendMessage(
+                        String.format("__**ChatBan[追加]**__: プレイヤー「%s」が「%s」によって「%s」という理由でChatBanされました。",
+                            MyMaidLibrary.DiscordEscape(player.getName()),
+                            MyMaidLibrary.DiscordEscape(banned_by),
+                            MyMaidLibrary.DiscordEscape(reason))).queue();
+                }
                 if (MyMaidData.getServerChatChannel() != null) {
                     MyMaidData.getServerChatChannel().sendMessage(
                         String.format("__**ChatBan[追加]**__: プレイヤー「%s」が「%s」によって「%s」という理由でChatBanされました。",