diff --git a/pom.xml b/pom.xml
index 5d994057..4c72f8bb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>bh.bot</groupId>
 	<artifactId>99bot</artifactId>
-	<version>2.8.3</version>
+	<version>2.8.4</version>
 
 	<dependencies>
 		<dependency>
diff --git a/src/main/java/bh/bot/Main.java b/src/main/java/bh/bot/Main.java
index ac507c80..4457e36e 100644
--- a/src/main/java/bh/bot/Main.java
+++ b/src/main/java/bh/bot/Main.java
@@ -512,8 +512,12 @@ public static void exit(int exitCode) {
 	}
 
 	public static void warningSupport() {
-		Rad.pWarn(20,"Only support English interface");
-		Rad.pWarn(50,"Only support screen scale 100% (original) otherwise bot will working wrongly");
+		try {
+			Rad.pWarn(20,"Only support English interface");
+			Rad.pWarn(50,"Only support screen scale 100%% (original) otherwise bot will working wrongly");
+		} catch (Throwable t) {
+			// ignore
+		}
 	}
 
 	public static final int EXIT_CODE_SCREEN_RESOLUTION_ISSUE = 3;
diff --git a/web/json/reject-versions-2.json b/web/json/reject-versions-2.json
index 526a6ea0..38f0a77f 100644
--- a/web/json/reject-versions-2.json
+++ b/web/json/reject-versions-2.json
@@ -1 +1 @@
-{"bv":["0.0.1"],"bf":{"0.0.2":["tp"],"2.3.0":["afk","expedition"],"2.4.0":["afk","expedition"],"2.8.0":["world-boss-team"]}}
+{"bv":["2.8.3"],"bf":{"0.0.2":["tp"],"2.3.0":["afk","expedition"],"2.4.0":["afk","expedition"],"2.8.0":["world-boss-team"]}}