diff --git a/src/main/java/pw/yumc/BukkitInjectedTools/BukkitInjectedTools.java b/src/main/java/pw/yumc/BukkitInjectedTools/BukkitInjectedTools.java
index a0e82ee..2bc8dac 100644
--- a/src/main/java/pw/yumc/BukkitInjectedTools/BukkitInjectedTools.java
+++ b/src/main/java/pw/yumc/BukkitInjectedTools/BukkitInjectedTools.java
@@ -74,7 +74,7 @@ public class BukkitInjectedTools extends JavaPlugin implements HandlerCommands {
             e.getSender().sendMessage(prefix + "§c正在主线程下载文件,请勿重复测试...!");
             return;
         }
-        nfn = "null" + (e.getArgs().length == 1 ? "" : "-" + e.getArgs()[0]);
+        nfn = "null" + (e.getArgs().length == 1 ? "-" + e.getArgs()[0] : "");
         e.getSender().sendMessage(prefix + "§c主线程中断测试!");
         PluginKit.scheduleTask(new Runnable() {
             @Override