diff --git a/packages/bukkit/src/console.ts b/packages/bukkit/src/console.ts
index 8c8735ef..8c88377d 100644
--- a/packages/bukkit/src/console.ts
+++ b/packages/bukkit/src/console.ts
@@ -4,7 +4,7 @@ let Bukkit = org.bukkit.Bukkit;
 
 export class BukkitConsole extends MiaoScriptConsole {
     sender(sender, ...args) {
-        if (!(sender instanceof org.bukkit.command.CommandSender)) {
+        if (!(sender instanceof Java.type('org.bukkit.command.CommandSender'))) {
             this.error("第一个参数未实现 org.bukkit.command.CommandSender 无法发送消息!")
             return;
         }