diff --git a/arclight-common/src/main/java/io/izzel/arclight/common/mixin/core/network/ServerCommonPacketListenerImplMixin.java b/arclight-common/src/main/java/io/izzel/arclight/common/mixin/core/network/ServerCommonPacketListenerImplMixin.java
index 3827e72b..b20e6347 100644
--- a/arclight-common/src/main/java/io/izzel/arclight/common/mixin/core/network/ServerCommonPacketListenerImplMixin.java
+++ b/arclight-common/src/main/java/io/izzel/arclight/common/mixin/core/network/ServerCommonPacketListenerImplMixin.java
@@ -97,7 +97,7 @@ public CraftPlayer getCraftPlayer() {
         this.cserver = ((CraftServer) Bukkit.getServer());
     }
 
-    @ModifyConstant(method = "keepConnectionAlive", constant = @Constant(longValue = 15000L))
+    @ModifyConstant(method = "keepConnectionAlive", constant = @Constant(longValue = 15000L), require = 0)  // qyl27: No-op if conflicts.
     private long arclight$incrKeepaliveTimeout(long l) {
         return 25000L;
     }