diff --git a/gradle.properties b/gradle.properties
index b537310..088bdda 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,6 +1,6 @@
 mod_name = Lilase
 mod_id = lilase
-mod_version = 3.0.3
+mod_version = 3.0.4-beta
 
 essential.defaults.loom=0
 
diff --git a/src/main/java/me/night0721/lilase/Lilase.java b/src/main/java/me/night0721/lilase/Lilase.java
index 46eef6d..ac34b7a 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 = "3.0.3";
+    public static final String VERSION = "3.0.4-beta";
     public static final Minecraft mc = Minecraft.getMinecraft();
     //    public static PageFlipper pageFlipper;
     public static Claimer claimer;
diff --git a/src/main/java/me/night0721/lilase/events/SniperFlipperEvents.java b/src/main/java/me/night0721/lilase/events/SniperFlipperEvents.java
index 643dfc9..0673782 100644
--- a/src/main/java/me/night0721/lilase/events/SniperFlipperEvents.java
+++ b/src/main/java/me/night0721/lilase/events/SniperFlipperEvents.java
@@ -112,7 +112,7 @@ public class SniperFlipperEvents {
                             }
                         }).start();
                     } else if (itemStack.getItem() == Items.gold_nugget || Item.getItemFromBlock(Blocks.gold_block) == itemStack.getItem()) {
-                        if (spam.isAlive()) {
+                        if (spam != null && spam.isAlive()) {
                             spam.interrupt();
                         }
                         clickWindow(latestWindowId, 31);
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 74ac05a..1625856 100644
--- a/src/main/java/me/night0721/lilase/features/flipper/Flipper.java
+++ b/src/main/java/me/night0721/lilase/features/flipper/Flipper.java
@@ -208,8 +208,11 @@ public class Flipper {
                     try {
                         tileSign = (TileEntitySign) ReflectionUtils.field(guiEditSign, "tileSign");
                     } catch (Exception e) {
+                        e.printStackTrace();
                         tileSign = (TileEntitySign) ReflectionUtils.field(guiEditSign, "field_146848_f");
                     }
+                    Utils.debugLog("Sign(normal): " + ReflectionUtils.field(guiEditSign, "tileSign"));
+                    Utils.debugLog("Sign(obfuscated): " + ReflectionUtils.field(guiEditSign, "field_146848_f"));
                     if (tileSign == null) {
                         Utils.debugLog("TileEntitySign is null, stopping flipper");
                         selling_queue.remove(0);