little fix...

SL/bus/Amily2Bus.js

@@ -67,14 +67,8 @@ class Amily2Bus {
         };
     }
 }
-
-// 挂载全局单例
-if (!window.Amily2Bus) {
-    window.Amily2Bus = new Amily2Bus();
-}
-
 export function initializeAmilyBus() {
-    if (!window.Amily2Bus) {
+    if (!window.Amily2Bus || !(window.Amily2Bus instanceof Amily2Bus)) {
         window.Amily2Bus = new Amily2Bus();
         console.log('[Amily2] Amily2Bus 已成功初始化并附加到 window 对象');
     }

SL/bus/log/Logger.js

@@ -210,8 +210,4 @@ class Logger {
 
 }
 
-// Ensure Amily2Bus namespace exists to prevent crash if loaded out of order
-window.Amily2Bus = window.Amily2Bus || {};
-window.Amily2Bus.Logger = new Logger();
-
 export default Logger;