diff --git a/packages/editor-app/src-tauri/src/main.rs b/packages/editor-app/src-tauri/src/main.rs
index 4733a5ca..8e488609 100644
--- a/packages/editor-app/src-tauri/src/main.rs
+++ b/packages/editor-app/src-tauri/src/main.rs
@@ -88,6 +88,61 @@ fn read_file_content(path: String) -> Result<String, String> {
         .map_err(|e| format!("Failed to read file {}: {}", path, e))
 }
 
+#[derive(serde::Serialize)]
+struct DirectoryEntry {
+    name: String,
+    path: String,
+    is_dir: bool,
+}
+
+#[tauri::command]
+fn list_directory(path: String) -> Result<Vec<DirectoryEntry>, String> {
+    use std::fs;
+    use std::path::Path;
+
+    let dir_path = Path::new(&path);
+    if !dir_path.exists() {
+        return Err(format!("Directory does not exist: {}", path));
+    }
+
+    if !dir_path.is_dir() {
+        return Err(format!("Path is not a directory: {}", path));
+    }
+
+    let mut entries = Vec::new();
+
+    match fs::read_dir(dir_path) {
+        Ok(read_dir) => {
+            for entry in read_dir {
+                match entry {
+                    Ok(entry) => {
+                        let entry_path = entry.path();
+                        if let Some(name) = entry_path.file_name() {
+                            entries.push(DirectoryEntry {
+                                name: name.to_string_lossy().to_string(),
+                                path: entry_path.to_string_lossy().to_string(),
+                                is_dir: entry_path.is_dir(),
+                            });
+                        }
+                    }
+                    Err(e) => eprintln!("Error reading directory entry: {}", e),
+                }
+            }
+        }
+        Err(e) => return Err(format!("Failed to read directory: {}", e)),
+    }
+
+    entries.sort_by(|a, b| {
+        match (a.is_dir, b.is_dir) {
+            (true, false) => std::cmp::Ordering::Less,
+            (false, true) => std::cmp::Ordering::Greater,
+            _ => a.name.to_lowercase().cmp(&b.name.to_lowercase()),
+        }
+    });
+
+    Ok(entries)
+}
+
 fn main() {
     tauri::Builder::default()
         .plugin(tauri_plugin_shell::init())
@@ -108,7 +163,8 @@ fn main() {
             export_binary,
             open_project_dialog,
             scan_directory,
-            read_file_content
+            read_file_content,
+            list_directory
         ])
         .run(tauri::generate_context!())
         .expect("error while running tauri application");
diff --git a/packages/editor-app/src/App.tsx b/packages/editor-app/src/App.tsx
index 4bd334d3..17e27ba5 100644
--- a/packages/editor-app/src/App.tsx
+++ b/packages/editor-app/src/App.tsx
@@ -6,6 +6,7 @@ import { StartupPage } from './components/StartupPage';
 import { SceneHierarchy } from './components/SceneHierarchy';
 import { EntityInspector } from './components/EntityInspector';
 import { AssetBrowser } from './components/AssetBrowser';
+import { ResizablePanel } from './components/ResizablePanel';
 import { TauriAPI } from './api/tauri';
 import { TransformComponent } from './example-components/TransformComponent';
 import { SpriteComponent } from './example-components/SpriteComponent';
@@ -236,32 +237,60 @@ function App() {
       </div>
 
       <div className="editor-content">
-        <div className="sidebar-left">
-          {entityStore && messageHub ? (
-            <SceneHierarchy entityStore={entityStore} messageHub={messageHub} />
-          ) : (
-            <div className="loading">Loading...</div>
-          )}
-        </div>
-
-        <div className="main-content">
-          <div className="viewport">
-            <h3>{t('viewport.title')}</h3>
-            <p>{t('viewport.placeholder')}</p>
-          </div>
-
-          <div className="bottom-panel">
-            <AssetBrowser projectPath={currentProjectPath} locale={locale} />
-          </div>
-        </div>
-
-        <div className="sidebar-right">
-          {entityStore && messageHub ? (
-            <EntityInspector entityStore={entityStore} messageHub={messageHub} />
-          ) : (
-            <div className="loading">Loading...</div>
-          )}
-        </div>
+        <ResizablePanel
+          direction="horizontal"
+          defaultSize={250}
+          minSize={150}
+          maxSize={400}
+          leftOrTop={
+            <div className="sidebar-left">
+              {entityStore && messageHub ? (
+                <SceneHierarchy entityStore={entityStore} messageHub={messageHub} />
+              ) : (
+                <div className="loading">Loading...</div>
+              )}
+            </div>
+          }
+          rightOrBottom={
+            <ResizablePanel
+              direction="horizontal"
+              side="right"
+              defaultSize={280}
+              minSize={200}
+              maxSize={500}
+              leftOrTop={
+                <ResizablePanel
+                  direction="vertical"
+                  defaultSize={200}
+                  minSize={100}
+                  maxSize={400}
+                  leftOrTop={
+                    <div className="main-content">
+                      <div className="viewport">
+                        <h3>{t('viewport.title')}</h3>
+                        <p>{t('viewport.placeholder')}</p>
+                      </div>
+                    </div>
+                  }
+                  rightOrBottom={
+                    <div className="bottom-panel">
+                      <AssetBrowser projectPath={currentProjectPath} locale={locale} />
+                    </div>
+                  }
+                />
+              }
+              rightOrBottom={
+                <div className="sidebar-right">
+                  {entityStore && messageHub ? (
+                    <EntityInspector entityStore={entityStore} messageHub={messageHub} />
+                  ) : (
+                    <div className="loading">Loading...</div>
+                  )}
+                </div>
+              }
+            />
+          }
+        />
       </div>
 
       <div className="editor-footer">
diff --git a/packages/editor-app/src/api/tauri.ts b/packages/editor-app/src/api/tauri.ts
index 578bf0ef..13e5b440 100644
--- a/packages/editor-app/src/api/tauri.ts
+++ b/packages/editor-app/src/api/tauri.ts
@@ -49,6 +49,19 @@ export class TauriAPI {
   static async readFileContent(path: string): Promise<string> {
     return await invoke<string>('read_file_content', { path });
   }
+
+  /**
+   * 列出目录内容
+   */
+  static async listDirectory(path: string): Promise<DirectoryEntry[]> {
+    return await invoke<DirectoryEntry[]>('list_directory', { path });
+  }
+}
+
+export interface DirectoryEntry {
+  name: string;
+  path: string;
+  is_dir: boolean;
 }
 
 /**
diff --git a/packages/editor-app/src/components/AssetBrowser.tsx b/packages/editor-app/src/components/AssetBrowser.tsx
index 6a79d12d..8af28f95 100644
--- a/packages/editor-app/src/components/AssetBrowser.tsx
+++ b/packages/editor-app/src/components/AssetBrowser.tsx
@@ -1,5 +1,5 @@
 import { useState, useEffect } from 'react';
-import { TauriAPI } from '../api/tauri';
+import { TauriAPI, DirectoryEntry } from '../api/tauri';
 import '../styles/AssetBrowser.css';
 
 interface AssetItem {
@@ -58,27 +58,20 @@ export function AssetBrowser({ projectPath, locale }: AssetBrowserProps) {
   const loadAssets = async (path: string) => {
     setLoading(true);
     try {
-      const files = await TauriAPI.scanDirectory(path, '*');
+      const entries = await TauriAPI.listDirectory(path);
 
-      const assetItems: AssetItem[] = files.map(filePath => {
-        const name = filePath.split(/[\\/]/).pop() || '';
-        const extension = name.includes('.') ? name.split('.').pop() : undefined;
+      const assetItems: AssetItem[] = entries.map((entry: DirectoryEntry) => {
+        const extension = entry.is_dir ? undefined :
+          (entry.name.includes('.') ? entry.name.split('.').pop() : undefined);
 
         return {
-          name,
-          path: filePath,
-          type: 'file' as const,
+          name: entry.name,
+          path: entry.path,
+          type: entry.is_dir ? 'folder' as const : 'file' as const,
           extension
         };
       });
 
-      assetItems.sort((a, b) => {
-        if (a.type === b.type) {
-          return a.name.localeCompare(b.name);
-        }
-        return a.type === 'folder' ? -1 : 1;
-      });
-
       setAssets(assetItems);
     } catch (error) {
       console.error('Failed to load assets:', error);
diff --git a/packages/editor-app/src/components/ResizablePanel.tsx b/packages/editor-app/src/components/ResizablePanel.tsx
new file mode 100644
index 00000000..57f36388
--- /dev/null
+++ b/packages/editor-app/src/components/ResizablePanel.tsx
@@ -0,0 +1,151 @@
+import { useState, useRef, useEffect, ReactNode } from 'react';
+import '../styles/ResizablePanel.css';
+
+interface ResizablePanelProps {
+  direction: 'horizontal' | 'vertical';
+  leftOrTop: ReactNode;
+  rightOrBottom: ReactNode;
+  defaultSize?: number;
+  minSize?: number;
+  maxSize?: number;
+  side?: 'left' | 'right' | 'top' | 'bottom';
+}
+
+export function ResizablePanel({
+  direction,
+  leftOrTop,
+  rightOrBottom,
+  defaultSize = 250,
+  minSize = 150,
+  maxSize = 600,
+  side = 'left'
+}: ResizablePanelProps) {
+  const [size, setSize] = useState(defaultSize);
+  const [isDragging, setIsDragging] = useState(false);
+  const containerRef = useRef<HTMLDivElement>(null);
+
+  useEffect(() => {
+    if (!isDragging) return;
+
+    const handleMouseMove = (e: MouseEvent) => {
+      if (!containerRef.current) return;
+
+      const rect = containerRef.current.getBoundingClientRect();
+      let newSize: number;
+
+      if (direction === 'horizontal') {
+        if (side === 'right') {
+          newSize = rect.right - e.clientX;
+        } else {
+          newSize = e.clientX - rect.left;
+        }
+      } else {
+        if (side === 'bottom') {
+          newSize = rect.bottom - e.clientY;
+        } else {
+          newSize = e.clientY - rect.top;
+        }
+      }
+
+      newSize = Math.max(minSize, Math.min(maxSize, newSize));
+      setSize(newSize);
+    };
+
+    const handleMouseUp = () => {
+      setIsDragging(false);
+    };
+
+    document.addEventListener('mousemove', handleMouseMove);
+    document.addEventListener('mouseup', handleMouseUp);
+
+    return () => {
+      document.removeEventListener('mousemove', handleMouseMove);
+      document.removeEventListener('mouseup', handleMouseUp);
+    };
+  }, [isDragging, direction, minSize, maxSize, side]);
+
+  const handleMouseDown = () => {
+    setIsDragging(true);
+  };
+
+  const className = `resizable-panel resizable-panel-${direction}`;
+  const resizerClassName = `resizer resizer-${direction}`;
+
+  if (direction === 'horizontal') {
+    if (side === 'right') {
+      return (
+        <div ref={containerRef} className={className}>
+          <div className="panel-section" style={{ flex: 1 }}>
+            {leftOrTop}
+          </div>
+          <div
+            className={resizerClassName}
+            onMouseDown={handleMouseDown}
+            style={{ cursor: isDragging ? 'ew-resize' : 'col-resize' }}
+          >
+            <div className="resizer-handle" />
+          </div>
+          <div className="panel-section" style={{ width: `${size}px` }}>
+            {rightOrBottom}
+          </div>
+        </div>
+      );
+    } else {
+      return (
+        <div ref={containerRef} className={className}>
+          <div className="panel-section" style={{ width: `${size}px` }}>
+            {leftOrTop}
+          </div>
+          <div
+            className={resizerClassName}
+            onMouseDown={handleMouseDown}
+            style={{ cursor: isDragging ? 'ew-resize' : 'col-resize' }}
+          >
+            <div className="resizer-handle" />
+          </div>
+          <div className="panel-section" style={{ flex: 1 }}>
+            {rightOrBottom}
+          </div>
+        </div>
+      );
+    }
+  } else {
+    if (side === 'bottom') {
+      return (
+        <div ref={containerRef} className={className}>
+          <div className="panel-section" style={{ flex: 1 }}>
+            {leftOrTop}
+          </div>
+          <div
+            className={resizerClassName}
+            onMouseDown={handleMouseDown}
+            style={{ cursor: isDragging ? 'ns-resize' : 'row-resize' }}
+          >
+            <div className="resizer-handle" />
+          </div>
+          <div className="panel-section" style={{ height: `${size}px` }}>
+            {rightOrBottom}
+          </div>
+        </div>
+      );
+    } else {
+      return (
+        <div ref={containerRef} className={className}>
+          <div className="panel-section" style={{ height: `${size}px` }}>
+            {leftOrTop}
+          </div>
+          <div
+            className={resizerClassName}
+            onMouseDown={handleMouseDown}
+            style={{ cursor: isDragging ? 'ns-resize' : 'row-resize' }}
+          >
+            <div className="resizer-handle" />
+          </div>
+          <div className="panel-section" style={{ flex: 1 }}>
+            {rightOrBottom}
+          </div>
+        </div>
+      );
+    }
+  }
+}
diff --git a/packages/editor-app/src/styles/App.css b/packages/editor-app/src/styles/App.css
index a97d32d2..5860fc78 100644
--- a/packages/editor-app/src/styles/App.css
+++ b/packages/editor-app/src/styles/App.css
@@ -63,17 +63,11 @@
 
 .sidebar-left,
 .sidebar-right {
-  width: 250px;
+  height: 100%;
   background-color: #252526;
-  border-right: 1px solid #3e3e3e;
   overflow: hidden;
 }
 
-.sidebar-right {
-  border-right: none;
-  border-left: 1px solid #3e3e3e;
-}
-
 .sidebar-left h3,
 .sidebar-right h3 {
   font-size: 14px;
@@ -91,16 +85,13 @@
 }
 
 .main-content {
-  display: flex;
-  flex-direction: column;
-  flex: 1;
+  height: 100%;
   overflow: hidden;
 }
 
 .viewport {
-  flex: 1;
+  height: 100%;
   background-color: #1e1e1e;
-  border-bottom: 1px solid #3e3e3e;
   padding: 12px;
   display: flex;
   flex-direction: column;
@@ -113,9 +104,8 @@
 }
 
 .bottom-panel {
-  height: 200px;
+  height: 100%;
   background-color: #252526;
-  padding: 12px;
   overflow-y: auto;
 }
 
diff --git a/packages/editor-app/src/styles/ResizablePanel.css b/packages/editor-app/src/styles/ResizablePanel.css
new file mode 100644
index 00000000..70a03d25
--- /dev/null
+++ b/packages/editor-app/src/styles/ResizablePanel.css
@@ -0,0 +1,77 @@
+.resizable-panel {
+  display: flex;
+  width: 100%;
+  height: 100%;
+  position: relative;
+}
+
+.resizable-panel-horizontal {
+  flex-direction: row;
+}
+
+.resizable-panel-vertical {
+  flex-direction: column;
+}
+
+.panel-section {
+  overflow: hidden;
+  position: relative;
+}
+
+.resizer {
+  background: #252526;
+  position: relative;
+  z-index: 10;
+  transition: background-color 0.2s ease;
+}
+
+.resizer:hover {
+  background: #094771;
+}
+
+.resizer-horizontal {
+  width: 4px;
+  cursor: col-resize;
+  flex-shrink: 0;
+}
+
+.resizer-vertical {
+  height: 4px;
+  cursor: row-resize;
+  flex-shrink: 0;
+}
+
+.resizer-handle {
+  position: absolute;
+  background: transparent;
+}
+
+.resizer-horizontal .resizer-handle {
+  top: 50%;
+  left: 50%;
+  transform: translate(-50%, -50%);
+  width: 12px;
+  height: 40px;
+}
+
+.resizer-vertical .resizer-handle {
+  top: 50%;
+  left: 50%;
+  transform: translate(-50%, -50%);
+  width: 40px;
+  height: 12px;
+}
+
+.resizer:active {
+  background: #0e6caa;
+}
+
+body.resizing {
+  cursor: col-resize !important;
+  user-select: none !important;
+}
+
+body.resizing-vertical {
+  cursor: row-resize !important;
+  user-select: none !important;
+}