diff --git a/.github/CHANGELOG.md b/.github/CHANGELOG.md
index 0ff450e..463a6f3 100644
--- a/.github/CHANGELOG.md
+++ b/.github/CHANGELOG.md
@@ -89,4 +89,7 @@
     - remove useless code, config that isn't need to be stored in lilase.json (again)
 - v3.0.4-beta
     - Added debugs
-    - Emergency bug fixes
\ No newline at end of file
+    - Emergency bug fixes
+- v3.0.5
+    - Fixed flipper cannot find TileEntitySign
+    - Added disconnect and command commands to remote control
\ No newline at end of file
diff --git a/gradle.properties b/gradle.properties
index 088bdda..d947395 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,6 +1,6 @@
 mod_name = Lilase
 mod_id = lilase
-mod_version = 3.0.4-beta
+mod_version = 3.0.4
 
 essential.defaults.loom=0
 
diff --git a/settings.gradle.kts b/settings.gradle.kts
index 47ae97a..608ca9b 100644
--- a/settings.gradle.kts
+++ b/settings.gradle.kts
@@ -5,7 +5,6 @@ pluginManagement {
         maven("https://repo.polyfrost.cc/releases")
         maven("https://maven.architectury.dev/")
         maven("https://pkgs.dev.azure.com/djtheredstoner/DevAuth/_packaging/public/maven/v1")
-
     }
     plugins {
         val egtVersion = "0.1.18"
diff --git a/src/main/java/me/night0721/lilase/Lilase.java b/src/main/java/me/night0721/lilase/Lilase.java
index ac34b7a..f65d90b 100644
--- a/src/main/java/me/night0721/lilase/Lilase.java
+++ b/src/main/java/me/night0721/lilase/Lilase.java
@@ -42,7 +42,7 @@ import static me.night0721.lilase.features.flipper.Flipper.webhook;
 public class Lilase {
     public static final String MOD_NAME = "Lilase";
     public static final String MODID = "Lilase";
-    public static final String VERSION = "3.0.4-beta";
+    public static final String VERSION = "3.0.4";
     public static final Minecraft mc = Minecraft.getMinecraft();
     //    public static PageFlipper pageFlipper;
     public static Claimer claimer;
diff --git a/src/main/java/me/night0721/lilase/features/flipper/Flipper.java b/src/main/java/me/night0721/lilase/features/flipper/Flipper.java
index 6d23672..e131332 100644
--- a/src/main/java/me/night0721/lilase/features/flipper/Flipper.java
+++ b/src/main/java/me/night0721/lilase/features/flipper/Flipper.java
@@ -198,10 +198,8 @@ public class Flipper {
                 }
             case PRICE:
                 if (Lilase.mc.currentScreen instanceof GuiEditSign && buyWait.passed()) {
-                    TileEntitySign tileSign;
-                    try {
-                        tileSign = (TileEntitySign) ReflectionUtils.field(Lilase.mc.currentScreen, "tileSign");
-                    } catch (Exception e) {
+                    TileEntitySign tileSign = (TileEntitySign) ReflectionUtils.field(Lilase.mc.currentScreen, "tileSign");
+                    if (tileSign == null) {
                         tileSign = (TileEntitySign) ReflectionUtils.field(Lilase.mc.currentScreen, "field_146848_f");
                     }
                     Utils.debugLog("Sign(normal): " + ReflectionUtils.field(Lilase.mc.currentScreen, "tileSign"));
diff --git a/src/main/java/me/night0721/lilase/remotecontrol/RemoteControl.java b/src/main/java/me/night0721/lilase/remotecontrol/RemoteControl.java
index 8f65e24..092be9e 100644
--- a/src/main/java/me/night0721/lilase/remotecontrol/RemoteControl.java
+++ b/src/main/java/me/night0721/lilase/remotecontrol/RemoteControl.java
@@ -38,13 +38,11 @@ public class RemoteControl {
 
         bot.updateCommands().addCommands(
                 Commands.slash("statistics", "Statistics of current session").setGuildOnly(true),
-                Commands.slash("screenshot", "Take a screenshot of the client"),
-                Commands.slash("enable", "Enable a feature of the mod")
-                        .setGuildOnly(true)
-                        .addOptions(new OptionData(OptionType.STRING, "type", "The type of feature to turn on")
-                                .addChoice("Auto Claimer", "claimer")
-                                .addChoice("COFL Macro", "macro")
-                                .addChoice("Auto Relister", "relister"))
-        ).queue();
+                Commands.slash("screenshot", "Take a screenshot of the client").setGuildOnly(true),
+                Commands.slash("enable", "Enable a feature of the mod").setGuildOnly(true)
+                        .addOptions(new OptionData(OptionType.STRING, "type", "The type of feature to turn on").addChoice("Auto Claimer", "claimer").addChoice("COFL Macro", "macro").addChoice("Auto Relister", "relister")),
+                Commands.slash("command", "Runs a command on client side").setGuildOnly(true).addOptions(new OptionData(OptionType.STRING, "command", "The command to run", true)),
+                Commands.slash("disconnect", "Disconnect from server").setGuildOnly(true)
+                ).queue();
     }
 }
diff --git a/src/main/java/me/night0721/lilase/remotecontrol/events/CommandListener.java b/src/main/java/me/night0721/lilase/remotecontrol/events/CommandListener.java
index d233fcc..794d7c8 100644
--- a/src/main/java/me/night0721/lilase/remotecontrol/events/CommandListener.java
+++ b/src/main/java/me/night0721/lilase/remotecontrol/events/CommandListener.java
@@ -2,6 +2,7 @@ package me.night0721.lilase.remotecontrol.events;
 
 import me.night0721.lilase.Lilase;
 import me.night0721.lilase.remotecontrol.BotUtils;
+import me.night0721.lilase.utils.Utils;
 import net.dv8tion.jda.api.EmbedBuilder;
 import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent;
 import net.dv8tion.jda.api.hooks.ListenerAdapter;
@@ -88,5 +89,14 @@ public class CommandListener extends ListenerAdapter {
                 }
             }
         }
+        if (event.getName().equals("command")) {
+            String command = Objects.requireNonNull(event.getOption("command")).getAsString();
+            Utils.sendServerMessage("/" + command);
+            event.reply("Command sent").queue();
+        }
+        if (event.getName().equals("disconnect")) {
+            Lilase.mc.theWorld.sendQuittingDisconnectingPacket();
+            event.reply("Disconnected").queue();
+        }
     }
 }
\ No newline at end of file