diff --git a/frontend/src/components/FileManager/FileManagerWindowManager.tsx b/frontend/src/components/FileManager/FileManagerWindowManager.tsx
new file mode 100644
index 00000000..8ea4da49
--- /dev/null
+++ b/frontend/src/components/FileManager/FileManagerWindowManager.tsx
@@ -0,0 +1,133 @@
+/**
+ * 文件管理器窗口管理器
+ * 独立管理文件管理器窗口的打开、最小化等状态
+ */
+import React, { useState, useCallback, useEffect } from 'react';
+import { FolderOpen } from 'lucide-react';
+import { FileManager } from './FileManager';
+
+export interface FileManagerWindow {
+    id: string;
+    serverId: number;
+    serverName: string;
+    isMinimized: boolean;
+}
+
+export const FileManagerWindowManager: React.FC = () => {
+    const [windows, setWindows] = useState<FileManagerWindow[]>([]);
+    const [activeWindowId, setActiveWindowId] = useState<string | null>(null);
+
+    // 打开文件管理器窗口
+    const openWindow = useCallback((serverId: number, serverName: string) => {
+        const windowId = `file-manager-${serverId}-${Date.now()}`;
+        
+        // 检查是否已存在该服务器的窗口
+        const existingWindow = windows.find(w => w.serverId === serverId && !w.isMinimized);
+        if (existingWindow) {
+            // 如果已存在且未最小化，聚焦它
+            setActiveWindowId(existingWindow.id);
+            return;
+        }
+
+        const newWindow: FileManagerWindow = {
+            id: windowId,
+            serverId,
+            serverName,
+            isMinimized: false,
+        };
+
+        setWindows(prev => [...prev, newWindow]);
+        setActiveWindowId(windowId);
+
+        console.log(`✅ 打开文件管理器: ${serverName} (${windowId})`);
+    }, [windows]);
+
+    // 关闭窗口
+    const closeWindow = useCallback((windowId: string) => {
+        setWindows(prev => prev.filter(w => w.id !== windowId));
+        if (activeWindowId === windowId) {
+            setActiveWindowId(null);
+        }
+        console.log(`❌ 关闭文件管理器: ${windowId}`);
+    }, [activeWindowId]);
+
+    // 最小化窗口
+    const minimizeWindow = useCallback((windowId: string) => {
+        setWindows(prev => prev.map(w => 
+            w.id === windowId ? { ...w, isMinimized: true } : w
+        ));
+        if (activeWindowId === windowId) {
+            setActiveWindowId(null);
+        }
+        console.log(`➖ 最小化文件管理器: ${windowId}`);
+    }, [activeWindowId]);
+
+    // 恢复窗口
+    const restoreWindow = useCallback((windowId: string) => {
+        setWindows(prev => prev.map(w => 
+            w.id === windowId ? { ...w, isMinimized: false } : w
+        ));
+        setActiveWindowId(windowId);
+        console.log(`➕ 恢复文件管理器: ${windowId}`);
+    }, []);
+
+    // 聚焦窗口
+    const focusWindow = useCallback((windowId: string) => {
+        setActiveWindowId(windowId);
+    }, []);
+
+    // 注册全局打开方法
+    useEffect(() => {
+        const globalKey = 'openFileManager';
+        (window as any)[globalKey] = openWindow;
+        console.log('📁 文件管理器窗口管理器已就绪');
+
+        return () => {
+            delete (window as any)[globalKey];
+        };
+    }, [openWindow]);
+
+    return (
+        <>
+            {/* 渲染所有文件管理器窗口 */}
+            {windows.map(win => !win.isMinimized && (
+                <FileManager
+                    key={win.id}
+                    serverId={win.serverId}
+                    serverName={win.serverName}
+                    open={true}
+                    onClose={() => closeWindow(win.id)}
+                    onMinimize={() => minimizeWindow(win.id)}
+                    isActive={activeWindowId === win.id}
+                    onFocus={() => focusWindow(win.id)}
+                />
+            ))}
+
+            {/* 最小化的窗口悬浮按钮 */}
+            {windows.filter(w => w.isMinimized).length > 0 && (
+                <div className="fixed bottom-4 left-4 flex flex-col-reverse gap-2 z-[1001]">
+                    {windows
+                        .filter(w => w.isMinimized)
+                        .map((win) => (
+                            <button
+                                key={win.id}
+                                className="flex items-center gap-3 px-4 py-3 bg-blue-600 text-white rounded-lg shadow-lg transition-all hover:scale-105 hover:shadow-xl"
+                                onClick={() => restoreWindow(win.id)}
+                                title={`恢复: ${win.serverName}`}
+                            >
+                                <FolderOpen className="h-5 w-5" />
+                                <div className="text-left">
+                                    <div className="text-sm font-semibold">
+                                        {win.serverName}
+                                    </div>
+                                    <div className="text-xs opacity-90">
+                                        文件管理
+                                    </div>
+                                </div>
+                            </button>
+                        ))}
+                </div>
+            )}
+        </>
+    );
+};