fix: memory leaks

src/main/kotlin/app/termora/TermoraFrameManager.kt

@@ -92,6 +92,9 @@ class TermoraFrameManager : Disposable {
         window.addWindowListener(object : WindowAdapter() {
             override fun windowClosed(e: WindowEvent) {
 
+                // 销毁子窗口
+                TermoraRestarter.getInstance().disposeChildren(window)
+
                 // 存储位置信息
                 saveFrameRectangle(window)
 

src/main/kotlin/app/termora/TermoraRestarter.kt

@@ -129,7 +129,7 @@ class TermoraRestarter {
         Disposer.dispose(instance)
     }
 
-    private fun disposeChildren(window: Window) {
+    fun disposeChildren(window: Window) {
         for (win in Window.getWindows()) {
             if (win is JDialog) {
                 if (win.owner == window) {