diff --git a/src/core/apps/department/app.json b/src/core/apps/department/app.json
index e91b057..b8f6d65 100644
--- a/src/core/apps/department/app.json
+++ b/src/core/apps/department/app.json
@@ -11,8 +11,8 @@
       "name": "main",
       "title": "部门",
       "icon": "iconfont icon-setting",
-      "width": 800,
-      "height": 600
+      "width": 200,
+      "height": 100
     }
   ]
 }
\ No newline at end of file
diff --git a/src/core/apps/music/app.json b/src/core/apps/music/app.json
index a48339d..5093f01 100644
--- a/src/core/apps/music/app.json
+++ b/src/core/apps/music/app.json
@@ -11,8 +11,8 @@
       "name": "main",
       "title": "音乐",
       "icon": "iconfont icon-setting",
-      "width": 800,
-      "height": 600
+      "width": 200,
+      "height": 100
     }
   ]
 }
\ No newline at end of file
diff --git a/src/core/utils/Draggable.ts b/src/core/utils/Draggable.ts
index bea8aab..1cd82c7 100644
--- a/src/core/utils/Draggable.ts
+++ b/src/core/utils/Draggable.ts
@@ -13,7 +13,17 @@ interface IDraggableOptions {
   /** 拖拽模式 */
   mode?: 'transform' | 'position';
   /** 拖拽的边界或容器元素 */
-  boundary?: IBoundary | HTMLElement;
+  boundary?: IBoundaryRect | HTMLElement;
+  /** 移动步进（网格吸附） */
+  snapGrid?: number;
+  /** 关键点吸附（边界/中心等） */
+  snapThreshold?: number;
+  /** 是否开启吸附动画(拖拽结束时) */
+  snapAnimation?: boolean;
+  /** 拖拽结束时吸附动画时长（ms，默认 200） */
+  snapAnimationDuration?: number;
+  /** 是否允许拖拽超出容器范围 */
+  allowOverflow?: boolean;
   /** 拖拽开始回调 */
   onStart?: TDragStartCallback;
   /** 拖拽移动中回调 */
@@ -23,7 +33,7 @@ interface IDraggableOptions {
 }
 
 /** 拖拽的范围边界 */
-interface IBoundary {
+interface IBoundaryRect {
   /** 最小 X 坐标 */
   minX?: number;
   /** 最大 X 坐标 */
@@ -40,160 +50,278 @@ interface IBoundary {
 export class Draggable {
   private handle: HTMLElement;
   private target: HTMLElement;
-  private mode: 'transform' | 'position';
-  private boundary?: IBoundary;
-  private containerElement?: HTMLElement;
-  private containerBounds?: IBoundary;
-
-  private startX = 0;
-  private startY = 0;
-  private originX = 0;
-  private originY = 0;
-  private currentX = 0;
-  private currentY = 0;
-  private dragging = false;
-
+  private boundary?: HTMLElement | IBoundaryRect;
+  private mode: "transform" | "position";
+  private snapGrid: number;
+  private snapThreshold: number;
   private onStart?: TDragStartCallback;
   private onMove?: TDragMoveCallback;
   private onEnd?: TDragEndCallback;
+  private snapAnimation: boolean;
+  private snapAnimationDuration: number;
+  private allowOverflow: boolean;
 
+  private isDragging = false;
+  private startX = 0;
+  private startY = 0;
+  private offsetX = 0;
+  private offsetY = 0;
+  private currentX = 0;
+  private currentY = 0;
+
+  private containerRect?: DOMRect;
   private resizeObserver?: ResizeObserver;
+  private mutationObserver: MutationObserver;
+
+  /** 动画控制 */
+  private animationFrame?: number;
 
   constructor(options: IDraggableOptions) {
     this.handle = options.handle;
     this.target = options.target;
-    this.mode = options.mode ?? 'transform';
+    this.boundary = options.boundary;
+    this.mode = options.mode ?? "transform";
+    this.snapGrid = options.snapGrid ?? 1;
+    this.snapThreshold = options.snapThreshold ?? 0;
+    this.snapAnimation = options.snapAnimation ?? false;
+    this.snapAnimationDuration = options.snapAnimationDuration ?? 200;
+    this.allowOverflow = options.allowOverflow ?? true;
     this.onStart = options.onStart;
     this.onMove = options.onMove;
     this.onEnd = options.onEnd;
 
-    // 判断 boundary 类型
-    if (options.boundary instanceof HTMLElement) {
-      this.containerElement = options.boundary;
-      this.observeResize(); // 监听容器和目标变化
-    } else {
-      this.boundary = options.boundary;
-    }
-
-    if (this.mode === 'position') {
-      const computed = window.getComputedStyle(this.target);
-      if (computed.position === 'static') {
-        this.target.style.position = 'absolute';
+    // 自动监听 DOM 移除
+    this.mutationObserver = new MutationObserver(() => {
+      if (!document.body.contains(this.target)) {
+        this.destroy();
       }
-    }
-
-    this.handle.addEventListener('mousedown', this.onMouseDown);
-  }
-
-  /** 监听容器和目标大小变化 */
-  private observeResize() {
-    this.resizeObserver = new ResizeObserver(() => {
-      this.updateContainerBounds();
     });
+    this.mutationObserver.observe(document.body, { childList: true, subtree: true });
 
-    if (this.containerElement) {
-      this.resizeObserver.observe(this.containerElement);
-    }
-
-    // 监听目标大小变化
-    this.resizeObserver.observe(this.target);
-
-    this.updateContainerBounds();
+    this.init();
   }
 
-  /** 更新边界 */
-  private updateContainerBounds() {
-    if (!this.containerElement) return;
-
-    const containerRect = this.containerElement.getBoundingClientRect();
-    const targetRect = this.target.getBoundingClientRect();
-
-    if (this.mode === 'transform') {
-      this.containerBounds = {
-        minX: containerRect.left + window.scrollX,
-        maxX: containerRect.right + window.scrollX - targetRect.width,
-        minY: containerRect.top + window.scrollY,
-        maxY: containerRect.bottom + window.scrollY - targetRect.height,
-      };
-    } else {
-      this.containerBounds = {
-        minX: 0,
-        minY: 0,
-        maxX: containerRect.width - targetRect.width,
-        maxY: containerRect.height - targetRect.height,
-      };
+  /** 初始化事件 */
+  private init() {
+    this.handle.addEventListener("mousedown", this.onMouseDown);
+    if (this.boundary instanceof HTMLElement) {
+      this.observeResize(this.boundary);
     }
   }
 
+  /** 销毁 */
+  public destroy() {
+    this.handle.removeEventListener("mousedown", this.onMouseDown);
+    document.removeEventListener("mousemove", this.onMouseMove);
+    document.removeEventListener("mouseup", this.onMouseUp);
+    this.resizeObserver?.disconnect();
+    if (this.animationFrame) cancelAnimationFrame(this.animationFrame);
+    this.mutationObserver.disconnect();
+  }
+
+  /** 开始拖拽 */
   private onMouseDown = (e: MouseEvent) => {
     e.preventDefault();
-    this.handle.style.cursor = 'move';
-    this.dragging = true;
-
-    const rect = this.target.getBoundingClientRect();
-    this.originX = rect.left + window.scrollX;
-    this.originY = rect.top + window.scrollY;
-
-    if (this.mode === 'position') {
-      const style = window.getComputedStyle(this.target);
-      this.originX = parseFloat(style.left) || 0;
-      this.originY = parseFloat(style.top) || 0;
-    }
+    this.isDragging = true;
 
     this.startX = e.clientX;
     this.startY = e.clientY;
 
-    this.currentX = this.originX;
-    this.currentY = this.originY;
-
-    this.onStart?.(this.currentX, this.currentY);
-
-    document.addEventListener('mousemove', this.onMouseMove);
-    document.addEventListener('mouseup', this.onMouseUp);
-  };
-
-  private onMouseMove = (e: MouseEvent) => {
-    if (!this.dragging) return;
-
-    let newX = this.originX + (e.clientX - this.startX);
-    let newY = this.originY + (e.clientY - this.startY);
-
-    const bounds = this.containerBounds || this.boundary;
-    if (bounds) {
-      if (bounds.minX !== undefined) newX = Math.max(newX, bounds.minX);
-      if (bounds.maxX !== undefined) newX = Math.min(newX, bounds.maxX);
-      if (bounds.minY !== undefined) newY = Math.max(newY, bounds.minY);
-      if (bounds.maxY !== undefined) newY = Math.min(newY, bounds.maxY);
-    }
-
-    if (this.mode === 'transform') {
-      this.target.style.transform = `translate(${newX}px, ${newY}px)`;
+    if (this.mode === "position") {
+      const rect = this.target.getBoundingClientRect();
+      this.offsetX = rect.left;
+      this.offsetY = rect.top;
     } else {
-      this.target.style.left = `${newX}px`;
-      this.target.style.top = `${newY}px`;
+      this.offsetX = this.currentX;
+      this.offsetY = this.currentY;
     }
 
-    this.currentX = newX;
-    this.currentY = newY;
+    document.addEventListener("mousemove", this.onMouseMove);
+    document.addEventListener("mouseup", this.onMouseUp);
 
-    this.onMove?.(this.currentX, this.currentY);
+    this.onStart?.(this.offsetX, this.offsetY);
   };
 
+  /** 拖拽中（实时移动，不做吸附） */
+  private onMouseMove = (e: MouseEvent) => {
+    if (!this.isDragging) return;
+
+    const dx = e.clientX - this.startX;
+    const dy = e.clientY - this.startY;
+
+    let newX = this.offsetX + dx;
+    let newY = this.offsetY + dy;
+
+    if (this.snapGrid > 1) {
+      newX = Math.round(newX / this.snapGrid) * this.snapGrid;
+      newY = Math.round(newY / this.snapGrid) * this.snapGrid;
+    }
+
+    this.applyPosition(newX, newY, false);
+    this.onMove?.(newX, newY);
+  };
+
+  /** 拖拽结束（此时再执行吸附动画） */
   private onMouseUp = () => {
-    this.dragging = false;
-    this.handle.style.cursor = 'default';
+    if (!this.isDragging) return;
+    this.isDragging = false;
 
-    this.onEnd?.(this.currentX, this.currentY);
+    const snapped = this.applySnapping(this.currentX, this.currentY);
 
-    document.removeEventListener('mousemove', this.onMouseMove);
-    document.removeEventListener('mouseup', this.onMouseUp);
+    if (this.snapAnimation) {
+      // 使用动画过渡到吸附点
+      this.animateTo(snapped.x, snapped.y, this.snapAnimationDuration, () => {
+        this.onEnd?.(snapped.x, snapped.y);
+      });
+    } else {
+      this.applyPosition(snapped.x, snapped.y, true);
+      this.onEnd?.(snapped.x, snapped.y);
+    }
+
+    document.removeEventListener("mousemove", this.onMouseMove);
+    document.removeEventListener("mouseup", this.onMouseUp);
   };
 
-  public destroy() {
-    this.handle.removeEventListener('mousedown', this.onMouseDown);
-    document.removeEventListener('mousemove', this.onMouseMove);
-    document.removeEventListener('mouseup', this.onMouseUp);
-    this.resizeObserver?.disconnect();
+  /** 应用位置 */
+  private applyPosition(x: number, y: number, isFinal: boolean) {
+    this.currentX = x;
+    this.currentY = y;
+
+    if (this.mode === "position") {
+      this.target.style.left = `${x}px`;
+      this.target.style.top = `${y}px`;
+    } else {
+      this.target.style.transform = `translate(${x}px, ${y}px)`;
+    }
+
+    if (isFinal) {
+      this.applyBoundary();
+    }
+  }
+
+  /** 平滑动画移动到目标位置 */
+  private animateTo(targetX: number, targetY: number, duration: number, onComplete?: () => void) {
+    if (this.animationFrame) cancelAnimationFrame(this.animationFrame);
+
+    const startX = this.currentX;
+    const startY = this.currentY;
+    const deltaX = targetX - startX;
+    const deltaY = targetY - startY;
+    const startTime = performance.now();
+
+    const step = (now: number) => {
+      const elapsed = now - startTime;
+      const progress = Math.min(elapsed / duration, 1);
+
+      // 缓动函数（easeOutCubic）
+      const ease = 1 - Math.pow(1 - progress, 3);
+
+      const x = startX + deltaX * ease;
+      const y = startY + deltaY * ease;
+
+      this.applyPosition(x, y, false);
+      this.onMove?.(x, y);
+
+      if (progress < 1) {
+        this.animationFrame = requestAnimationFrame(step);
+      } else {
+        this.applyPosition(targetX, targetY, true);
+        this.onMove?.(targetX, targetY);
+        onComplete?.();
+      }
+    };
+
+    this.animationFrame = requestAnimationFrame(step);
+  }
+
+  /** 应用边界限制 */
+  private applyBoundary() {
+    if (!this.boundary || this.allowOverflow) return;
+
+    let { x, y } = { x: this.currentX, y: this.currentY };
+
+    if (this.boundary instanceof HTMLElement && this.containerRect) {
+      const rect = this.target.getBoundingClientRect();
+
+      const minX = 0;
+      const minY = 0;
+      const maxX = this.containerRect.width - rect.width;
+      const maxY = this.containerRect.height - rect.height;
+
+      x = Math.min(Math.max(x, minX), maxX);
+      y = Math.min(Math.max(y, minY), maxY);
+    } else if (!(this.boundary instanceof HTMLElement)) {
+      if (this.boundary.minX !== undefined) x = Math.max(x, this.boundary.minX);
+      if (this.boundary.maxX !== undefined) x = Math.min(x, this.boundary.maxX);
+      if (this.boundary.minY !== undefined) y = Math.max(y, this.boundary.minY);
+      if (this.boundary.maxY !== undefined) y = Math.min(y, this.boundary.maxY);
+    }
+
+    this.currentX = x;
+    this.currentY = y;
+    this.applyPosition(x, y, false);
+  }
+
+  /** 计算吸附点 */
+  private applySnapping(x: number, y: number): { x: number; y: number } {
+    const snapPoints = this.getSnapPoints();
+    let snappedX = x;
+    let snappedY = y;
+
+    if (this.snapThreshold > 0) {
+      for (const sx of snapPoints.x) {
+        if (Math.abs(x - sx) <= this.snapThreshold) {
+          snappedX = sx;
+          break;
+        }
+      }
+      for (const sy of snapPoints.y) {
+        if (Math.abs(y - sy) <= this.snapThreshold) {
+          snappedY = sy;
+          break;
+        }
+      }
+    }
+
+    return { x: snappedX, y: snappedY };
+  }
+
+  /** 获取吸附点 */
+  private getSnapPoints(): { x: number[]; y: number[] } {
+    const snapX: number[] = [];
+    const snapY: number[] = [];
+
+    if (this.boundary instanceof HTMLElement && this.containerRect) {
+      const containerRect = this.containerRect;
+      const targetRect = this.target.getBoundingClientRect();
+
+      // 左右边界
+      snapX.push(0);
+      snapX.push(containerRect.width - targetRect.width);
+
+      // 上下边界
+      snapY.push(0);
+      snapY.push(containerRect.height - targetRect.height);
+
+      // 中心点
+      // snapX.push(containerRect.width / 2 - targetRect.width / 2);
+      // snapY.push(containerRect.height / 2 - targetRect.height / 2);
+    } else if (!(this.boundary instanceof HTMLElement)) {
+      if (this.boundary?.minX !== undefined) snapX.push(this.boundary.minX);
+      if (this.boundary?.maxX !== undefined) snapX.push(this.boundary.maxX);
+      if (this.boundary?.minY !== undefined) snapY.push(this.boundary.minY);
+      if (this.boundary?.maxY !== undefined) snapY.push(this.boundary.maxY);
+    }
+
+    return { x: snapX, y: snapY };
+  }
+
+  /** 监听 boundary 尺寸变化 */
+  private observeResize(element: HTMLElement) {
+    this.resizeObserver = new ResizeObserver(() => {
+      this.containerRect = element.getBoundingClientRect();
+    });
+    this.resizeObserver.observe(element);
+    this.containerRect = element.getBoundingClientRect();
   }
 }
-
diff --git a/src/core/utils/Draggable1.ts b/src/core/utils/Draggable1.ts
new file mode 100644
index 0000000..bd7e2d0
--- /dev/null
+++ b/src/core/utils/Draggable1.ts
@@ -0,0 +1,297 @@
+type TDragStartCallback = (x: number, y: number) => void;
+type TDragMoveCallback = (x: number, y: number) => void;
+type TDragEndCallback = (x: number, y: number) => void;
+
+interface IDraggableOptions {
+  handle: HTMLElement;
+  target: HTMLElement;
+  mode?: 'transform' | 'position';
+  boundary?: IBoundaryRect | HTMLElement;
+  snapGrid?: number;
+  snapThreshold?: number;
+  snapAnimation?: boolean;
+  snapAnimationDuration?: number;
+  onStart?: TDragStartCallback;
+  onMove?: TDragMoveCallback;
+  onEnd?: TDragEndCallback;
+}
+
+interface IBoundaryRect {
+  minX?: number;
+  maxX?: number;
+  minY?: number;
+  maxY?: number;
+}
+
+// 全局实例列表，用于窗口之间吸附
+const DraggableInstances: Draggable[] = [];
+
+export class Draggable {
+  private handle: HTMLElement;
+  private target: HTMLElement;
+  private boundary?: HTMLElement | IBoundaryRect;
+  private mode: 'transform' | 'position';
+  private snapGrid: number;
+  private snapThreshold: number;
+  private snapAnimation: boolean;
+  private snapAnimationDuration: number;
+  private onStart?: TDragStartCallback;
+  private onMove?: TDragMoveCallback;
+  private onEnd?: TDragEndCallback;
+
+  private isDragging = false;
+  private startX = 0;
+  private startY = 0;
+  private offsetX = 0;
+  private offsetY = 0;
+  private currentX = 0;
+  private currentY = 0;
+
+  private containerRect?: DOMRect;
+  private resizeObserver?: ResizeObserver;
+  private animationFrame?: number;
+
+  constructor(options: IDraggableOptions) {
+    this.handle = options.handle;
+    this.target = options.target;
+    this.boundary = options.boundary;
+    this.mode = options.mode ?? 'transform';
+    this.snapGrid = options.snapGrid ?? 1;
+    this.snapThreshold = options.snapThreshold ?? 10;
+    this.snapAnimation = options.snapAnimation ?? true;
+    this.snapAnimationDuration = options.snapAnimationDuration ?? 200;
+    this.onStart = options.onStart;
+    this.onMove = options.onMove;
+    this.onEnd = options.onEnd;
+
+    this.init();
+
+    // 注册全局实例
+    DraggableInstances.push(this);
+  }
+
+  /** 初始化 */
+  private init() {
+    this.handle.addEventListener('mousedown', this.onMouseDown);
+
+    if (this.boundary instanceof HTMLElement) {
+      this.observeResize(this.boundary);
+    }
+  }
+
+  /** 销毁 */
+  public destroy() {
+    this.handle.removeEventListener('mousedown', this.onMouseDown);
+    document.removeEventListener('mousemove', this.onMouseMove);
+    document.removeEventListener('mouseup', this.onMouseUp);
+    this.resizeObserver?.disconnect();
+    if (this.animationFrame) cancelAnimationFrame(this.animationFrame);
+
+    const index = DraggableInstances.indexOf(this);
+    if (index >= 0) DraggableInstances.splice(index, 1);
+  }
+
+  /** 拖拽开始 */
+  private onMouseDown = (e: MouseEvent) => {
+    e.preventDefault();
+    this.isDragging = true;
+
+    this.startX = e.clientX;
+    this.startY = e.clientY;
+
+    if (this.mode === 'position') {
+      const rect = this.target.getBoundingClientRect();
+      this.offsetX = rect.left;
+      this.offsetY = rect.top;
+    } else {
+      this.offsetX = this.currentX;
+      this.offsetY = this.currentY;
+    }
+
+    document.addEventListener('mousemove', this.onMouseMove);
+    document.addEventListener('mouseup', this.onMouseUp);
+
+    this.onStart?.(this.offsetX, this.offsetY);
+  };
+
+  /** 拖拽中（实时移动，不吸附） */
+  private onMouseMove = (e: MouseEvent) => {
+    if (!this.isDragging) return;
+
+    const dx = e.clientX - this.startX;
+    const dy = e.clientY - this.startY;
+
+    let newX = this.offsetX + dx;
+    let newY = this.offsetY + dy;
+
+    // 网格吸附
+    if (this.snapGrid > 1) {
+      newX = Math.round(newX / this.snapGrid) * this.snapGrid;
+      newY = Math.round(newY / this.snapGrid) * this.snapGrid;
+    }
+
+    this.applyPosition(newX, newY, false);
+    this.onMove?.(newX, newY);
+  };
+
+  /** 拖拽结束，执行吸附 */
+  private onMouseUp = () => {
+    if (!this.isDragging) return;
+    this.isDragging = false;
+
+    const snapped = this.applySnapping(this.currentX, this.currentY);
+
+    if (this.snapAnimation) {
+      this.animateTo(snapped.x, snapped.y, this.snapAnimationDuration, () => {
+        this.onEnd?.(snapped.x, snapped.y);
+      });
+    } else {
+      this.applyPosition(snapped.x, snapped.y, true);
+      this.onEnd?.(snapped.x, snapped.y);
+    }
+
+    document.removeEventListener('mousemove', this.onMouseMove);
+    document.removeEventListener('mouseup', this.onMouseUp);
+  };
+
+  /** 应用位置 */
+  private applyPosition(x: number, y: number, isFinal: boolean) {
+    this.currentX = x;
+    this.currentY = y;
+
+    if (this.mode === 'position') {
+      this.target.style.left = `${x}px`;
+      this.target.style.top = `${y}px`;
+    } else {
+      this.target.style.transform = `translate(${x}px, ${y}px)`;
+    }
+
+    if (isFinal) this.applyBoundary();
+  }
+
+  /** 平滑动画移动 */
+  private animateTo(targetX: number, targetY: number, duration: number, onComplete?: () => void) {
+    if (this.animationFrame) cancelAnimationFrame(this.animationFrame);
+
+    const startX = this.currentX;
+    const startY = this.currentY;
+    const deltaX = targetX - startX;
+    const deltaY = targetY - startY;
+    const startTime = performance.now();
+
+    const step = (now: number) => {
+      const elapsed = now - startTime;
+      const progress = Math.min(elapsed / duration, 1);
+      const ease = 1 - Math.pow(1 - progress, 3); // easeOutCubic
+
+      const x = startX + deltaX * ease;
+      const y = startY + deltaY * ease;
+
+      this.applyPosition(x, y, false);
+      this.onMove?.(x, y);
+
+      if (progress < 1) {
+        this.animationFrame = requestAnimationFrame(step);
+      } else {
+        this.applyPosition(targetX, targetY, true);
+        this.onMove?.(targetX, targetY);
+        onComplete?.();
+      }
+    };
+
+    this.animationFrame = requestAnimationFrame(step);
+  }
+
+  /** 边界限制 */
+  private applyBoundary() {
+    if (!this.boundary) return;
+
+    let { x, y } = { x: this.currentX, y: this.currentY };
+
+    if (this.boundary instanceof HTMLElement && this.containerRect) {
+      const rect = this.target.getBoundingClientRect();
+      const minX = 0;
+      const minY = 0;
+      const maxX = this.containerRect.width - rect.width;
+      const maxY = this.containerRect.height - rect.height;
+
+      x = Math.min(Math.max(x, minX), maxX);
+      y = Math.min(Math.max(y, minY), maxY);
+    } else if (!(this.boundary instanceof HTMLElement)) {
+      if (this.boundary.minX !== undefined) x = Math.max(x, this.boundary.minX);
+      if (this.boundary.maxX !== undefined) x = Math.min(x, this.boundary.maxX);
+      if (this.boundary.minY !== undefined) y = Math.max(y, this.boundary.minY);
+      if (this.boundary.maxY !== undefined) y = Math.min(y, this.boundary.maxY);
+    }
+
+    this.currentX = x;
+    this.currentY = y;
+    this.applyPosition(x, y, false);
+  }
+
+  /** 吸附计算，包括边界和其他窗口 */
+  private applySnapping(x: number, y: number): { x: number; y: number } {
+    const snapPoints = this.getSnapPoints();
+    let snappedX = x;
+    let snappedY = y;
+
+    if (this.snapThreshold > 0) {
+      for (const sx of snapPoints.x) {
+        if (Math.abs(x - sx) <= this.snapThreshold) {
+          snappedX = sx;
+          break;
+        }
+      }
+      for (const sy of snapPoints.y) {
+        if (Math.abs(y - sy) <= this.snapThreshold) {
+          snappedY = sy;
+          break;
+        }
+      }
+    }
+
+    return { x: snappedX, y: snappedY };
+  }
+
+  /** 获取吸附点 */
+  private getSnapPoints(): { x: number[]; y: number[] } {
+    const snapX: number[] = [];
+    const snapY: number[] = [];
+
+    // 边界吸附
+    if (this.boundary instanceof HTMLElement && this.containerRect) {
+      const containerRect = this.containerRect;
+      const targetRect = this.target.getBoundingClientRect();
+
+      snapX.push(0, containerRect.width - targetRect.width);
+      snapY.push(0, containerRect.height - targetRect.height);
+
+      snapX.push(containerRect.width / 2 - targetRect.width / 2);
+      snapY.push(containerRect.height / 2 - targetRect.height / 2);
+    } else if (!(this.boundary instanceof HTMLElement)) {
+      if (this.boundary?.minX !== undefined) snapX.push(this.boundary.minX);
+      if (this.boundary?.maxX !== undefined) snapX.push(this.boundary.maxX);
+      if (this.boundary?.minY !== undefined) snapY.push(this.boundary.minY);
+      if (this.boundary?.maxY !== undefined) snapY.push(this.boundary.maxY);
+    }
+
+    // 窗口之间吸附
+    for (const other of DraggableInstances) {
+      if (other === this) continue;
+      const rect = other.target.getBoundingClientRect();
+      snapX.push(rect.left, rect.right, rect.left + rect.width / 2);
+      snapY.push(rect.top, rect.bottom, rect.top + rect.height / 2);
+    }
+
+    return { x: snapX, y: snapY };
+  }
+
+  /** 监听 boundary 尺寸变化 */
+  private observeResize(element: HTMLElement) {
+    this.resizeObserver = new ResizeObserver(() => {
+      this.containerRect = element.getBoundingClientRect();
+    });
+    this.resizeObserver.observe(element);
+    this.containerRect = element.getBoundingClientRect();
+  }
+}
diff --git a/src/core/utils/ResizableFull.ts b/src/core/utils/ResizableFull.ts
new file mode 100644
index 0000000..8e53d66
--- /dev/null
+++ b/src/core/utils/ResizableFull.ts
@@ -0,0 +1,141 @@
+export interface IResizeBoundaryFull {
+  minWidth?: number;
+  maxWidth?: number;
+  minHeight?: number;
+  maxHeight?: number;
+}
+
+export type ResizeDirection = 'right' | 'bottom' | 'left' | 'top' | 'top-left' | 'top-right' | 'bottom-left' | 'bottom-right';
+
+export interface ResizableFullOptions {
+  handle: HTMLElement;               // 拖拽手柄
+  target: HTMLElement;               // 被调整大小的目标
+  direction?: ResizeDirection;       // 调整方向
+  boundary?: IResizeBoundaryFull;    // 宽高限制
+  onStart?: (width: number, height: number) => void;
+  onResize?: (width: number, height: number) => void;
+  onEnd?: (width: number, height: number) => void;
+}
+
+export class ResizableFull {
+  private handle: HTMLElement;
+  private target: HTMLElement;
+  private direction: ResizeDirection;
+  private boundary?: IResizeBoundaryFull;
+
+  private dragging = false;
+  private startX = 0;
+  private startY = 0;
+  private startWidth = 0;
+  private startHeight = 0;
+  private currentWidth = 0;
+  private currentHeight = 0;
+
+  private onStart?: (width: number, height: number) => void;
+  private onResize?: (width: number, height: number) => void;
+  private onEnd?: (width: number, height: number) => void;
+
+  constructor(options: ResizableFullOptions) {
+    this.handle = options.handle;
+    this.target = options.target;
+    this.direction = options.direction ?? 'right';
+    this.boundary = options.boundary;
+    this.onStart = options.onStart;
+    this.onResize = options.onResize;
+    this.onEnd = options.onEnd;
+
+    this.init();
+  }
+
+  private init() {
+    this.handle.addEventListener('mousedown', this.onMouseDown);
+  }
+
+  private onMouseDown = (e: MouseEvent) => {
+    e.preventDefault();
+    this.dragging = true;
+
+    this.startX = e.clientX;
+    this.startY = e.clientY;
+    this.startWidth = this.target.offsetWidth;
+    this.startHeight = this.target.offsetHeight;
+    this.currentWidth = this.startWidth;
+    this.currentHeight = this.startHeight;
+
+    this.onStart?.(this.startWidth, this.startHeight);
+
+    document.addEventListener('mousemove', this.onMouseMove);
+    document.addEventListener('mouseup', this.onMouseUp);
+  };
+
+  private onMouseMove = (e: MouseEvent) => {
+    if (!this.dragging) return;
+
+    let deltaX = e.clientX - this.startX;
+    let deltaY = e.clientY - this.startY;
+
+    let newWidth = this.startWidth;
+    let newHeight = this.startHeight;
+
+    switch (this.direction) {
+      case 'right':
+        newWidth += deltaX;
+        break;
+      case 'left':
+        newWidth -= deltaX;
+        break;
+      case 'bottom':
+        newHeight += deltaY;
+        break;
+      case 'top':
+        newHeight -= deltaY;
+        break;
+      case 'top-left':
+        newWidth -= deltaX;
+        newHeight -= deltaY;
+        break;
+      case 'top-right':
+        newWidth += deltaX;
+        newHeight -= deltaY;
+        break;
+      case 'bottom-left':
+        newWidth -= deltaX;
+        newHeight += deltaY;
+        break;
+      case 'bottom-right':
+        newWidth += deltaX;
+        newHeight += deltaY;
+        break;
+    }
+
+    if (this.boundary) {
+      if (this.boundary.minWidth !== undefined) newWidth = Math.max(newWidth, this.boundary.minWidth);
+      if (this.boundary.maxWidth !== undefined) newWidth = Math.min(newWidth, this.boundary.maxWidth);
+      if (this.boundary.minHeight !== undefined) newHeight = Math.max(newHeight, this.boundary.minHeight);
+      if (this.boundary.maxHeight !== undefined) newHeight = Math.min(newHeight, this.boundary.maxHeight);
+    }
+
+    this.currentWidth = newWidth;
+    this.currentHeight = newHeight;
+
+    this.target.style.width = `${newWidth}px`;
+    this.target.style.height = `${newHeight}px`;
+
+    this.onResize?.(newWidth, newHeight);
+  };
+
+  private onMouseUp = () => {
+    if (!this.dragging) return;
+    this.dragging = false;
+    this.onEnd?.(this.currentWidth, this.currentHeight);
+
+    document.removeEventListener('mousemove', this.onMouseMove);
+    document.removeEventListener('mouseup', this.onMouseUp);
+  };
+
+  public destroy() {
+    this.handle.removeEventListener('mousedown', this.onMouseDown);
+    document.removeEventListener('mousemove', this.onMouseMove);
+    document.removeEventListener('mouseup', this.onMouseUp);
+  }
+}
diff --git a/src/core/window/impl/WindowFormImpl.ts b/src/core/window/impl/WindowFormImpl.ts
index 3efad28..d651a35 100644
--- a/src/core/window/impl/WindowFormImpl.ts
+++ b/src/core/window/impl/WindowFormImpl.ts
@@ -50,6 +50,8 @@ export default class WindowFormImpl implements IWindowForm {
       handle: dom,
       target: dom,
       mode: 'position',
+      snapThreshold: 20,
+      boundary: document.body
     })
 
     this.desktopRootDom.appendChild(dom);