diff --git a/components/angle-edit-dialog.tsx b/components/angle-edit-dialog.tsx
index f1935b22d..1055afe79 100644
--- a/components/angle-edit-dialog.tsx
+++ b/components/angle-edit-dialog.tsx
@@ -39,6 +39,22 @@ export function AngleEditDialog({
   });
   // 预览 Tab 状态：如果生成了结果，默认显示结果；否则显示原图
   const [activeTab, setActiveTab] = useState<"original" | "result">("original");
+  const stopDialogEventPropagation = useCallback((event: React.SyntheticEvent) => {
+    event.stopPropagation();
+  }, []);
+
+  const stopDialogEventCapture = useCallback((event: React.SyntheticEvent) => {
+    event.stopPropagation();
+  }, []);
+
+  const stopDialogWheelPropagation = useCallback((event: React.WheelEvent) => {
+    event.stopPropagation();
+  }, []);
+
+  const stopDialogWheelCapture = useCallback((event: React.WheelEvent) => {
+    event.preventDefault();
+    event.stopPropagation();
+  }, []);
 
   // 当对话框关闭时重置状态
   useEffect(() => {
@@ -173,6 +189,17 @@ export function AngleEditDialog({
     <Dialog open={open} onOpenChange={handleOpenChange}>
       <DialogContent 
         className="max-w-4xl p-0 gap-0 overflow-hidden border-none shadow-2xl bg-background/95 backdrop-blur-xl"
+        onPointerDownCapture={stopDialogEventCapture}
+        onPointerMoveCapture={stopDialogEventCapture}
+        onPointerUpCapture={stopDialogEventCapture}
+        onMouseDown={stopDialogEventPropagation}
+        onMouseMove={stopDialogEventPropagation}
+        onMouseUp={stopDialogEventPropagation}
+        onTouchStart={stopDialogEventPropagation}
+        onTouchMove={stopDialogEventPropagation}
+        onTouchEnd={stopDialogEventPropagation}
+        onWheelCapture={stopDialogWheelCapture}
+        onWheel={stopDialogWheelPropagation}
         onInteractOutside={(e) => {
           // 阻止点击遮罩层关闭对话框（防止意外触发导航）
           if (isProcessing) {
@@ -347,4 +374,3 @@ export function AngleEditDialog({
 }
 
 export default AngleEditDialog;
-
diff --git a/components/canvas/CanvasWorkspace.tsx b/components/canvas/CanvasWorkspace.tsx
index faaa09fe1..ad716cd4c 100644
--- a/components/canvas/CanvasWorkspace.tsx
+++ b/components/canvas/CanvasWorkspace.tsx
@@ -171,15 +171,22 @@ export function CanvasWorkspace() {
     return !!target.closest("[data-canvas-node-id]");
   }, []);
 
+  const isEventFromCanvasContainer = useCallback((target: EventTarget | null) => {
+    if (!(target instanceof Node) || !containerRef.current) return false;
+    return containerRef.current.contains(target);
+  }, []);
+
   // 处理画布点击（取消选择）
   const handleCanvasClick = useCallback((e: React.MouseEvent) => {
+    if (!isEventFromCanvasContainer(e.target)) return;
     if (!isPointOnNodeElement(e.target) && !isMarqueeSelecting) {
       clearSelection();
     }
-  }, [clearSelection, isMarqueeSelecting, isPointOnNodeElement]);
+  }, [clearSelection, isEventFromCanvasContainer, isMarqueeSelecting, isPointOnNodeElement]);
 
   // 处理画布平移开始
   const handleMouseDown = useCallback((e: React.MouseEvent) => {
+    if (!isEventFromCanvasContainer(e.target)) return;
     if (tool === 'pan' || e.button === 1 || (e.button === 0 && e.altKey)) {
       setIsPanning(true);
       setPanStart({ x: e.clientX - viewport.x, y: e.clientY - viewport.y });
@@ -193,10 +200,11 @@ export function CanvasWorkspace() {
       setMarqueeStart(start);
       setMarqueeEnd(start);
     }
-  }, [isPointOnNodeElement, toCanvasPosition, tool, viewport]);
+  }, [isEventFromCanvasContainer, isPointOnNodeElement, toCanvasPosition, tool, viewport]);
 
   // 处理画布平移
   const handleMouseMove = useCallback((e: React.MouseEvent) => {
+    if (!isEventFromCanvasContainer(e.target)) return;
     dragPointerRef.current = toCanvasPosition(e.clientX, e.clientY);
     if (isPanning) {
       setViewport({
@@ -209,10 +217,11 @@ export function CanvasWorkspace() {
     if (isMarqueeSelecting) {
       setMarqueeEnd(toCanvasPosition(e.clientX, e.clientY));
     }
-  }, [isMarqueeSelecting, isPanning, panStart, setViewport, toCanvasPosition]);
+  }, [isEventFromCanvasContainer, isMarqueeSelecting, isPanning, panStart, setViewport, toCanvasPosition]);
 
   // 处理画布平移结束
-  const handleMouseUp = useCallback(() => {
+  const handleMouseUp = useCallback((e?: React.MouseEvent) => {
+    if (e && !isEventFromCanvasContainer(e.target)) return;
     setIsPanning(false);
 
     if (isMarqueeSelecting && marqueeStart && marqueeEnd) {
@@ -247,7 +256,7 @@ export function CanvasWorkspace() {
     setIsMarqueeSelecting(false);
     setMarqueeStart(null);
     setMarqueeEnd(null);
-  }, [clearSelection, isMarqueeSelecting, marqueeEnd, marqueeStart, nodes, selectNodes, viewport.x, viewport.y, viewport.zoom]);
+  }, [clearSelection, isEventFromCanvasContainer, isMarqueeSelecting, marqueeEnd, marqueeStart, nodes, selectNodes, viewport.x, viewport.y, viewport.zoom]);
 
   // 新增图片后自动居中展示
   const centerNodeInView = useCallback((nodeId: string) => {
@@ -284,6 +293,7 @@ export function CanvasWorkspace() {
 
   // 处理滚轮缩放
   const handleWheel = useCallback((e: React.WheelEvent) => {
+    if (!isEventFromCanvasContainer(e.target)) return;
     e.preventDefault();
     e.stopPropagation();
 
@@ -308,7 +318,7 @@ export function CanvasWorkspace() {
     const newX = mouseX - (mouseX - viewport.x) * scaleChange;
     const newY = mouseY - (mouseY - viewport.y) * scaleChange;
     setViewport({ x: newX, y: newY, zoom: newZoom });
-  }, [isMacPlatform, setViewport, viewport.x, viewport.y, viewport.zoom]);
+  }, [isEventFromCanvasContainer, isMacPlatform, setViewport, viewport.x, viewport.y, viewport.zoom]);
 
   const getImageDimensionsFromFile = useCallback((file: File): Promise<{
     width: number;
diff --git a/components/qwen-camera-widget.tsx b/components/qwen-camera-widget.tsx
index e9873a51b..f5862d803 100644
--- a/components/qwen-camera-widget.tsx
+++ b/components/qwen-camera-widget.tsx
@@ -421,6 +421,8 @@ export function QwenCameraWidget({
   }, []);
 
   const handlePointerDown = useCallback((event: React.MouseEvent | React.TouchEvent) => {
+    event.preventDefault();
+    event.stopPropagation();
     if (!canvasRef.current || !cameraRef.current) return;
     
     const clientX = "touches" in event ? event.touches[0].clientX : event.clientX;
@@ -446,7 +448,9 @@ export function QwenCameraWidget({
   }, [getMousePos]);
 
   const handlePointerMove = useCallback((event: React.MouseEvent | React.TouchEvent) => {
+    event.stopPropagation();
     if (!canvasRef.current || !cameraRef.current || !isDraggingRef.current) return;
+    event.preventDefault();
     
     const clientX = "touches" in event ? event.touches[0].clientX : event.clientX;
     const clientY = "touches" in event ? event.touches[0].clientY : event.clientY;
@@ -496,7 +500,11 @@ export function QwenCameraWidget({
     }
   }, [getMousePos, onStateChange]);
 
-  const handlePointerUp = useCallback(() => {
+  const handlePointerUp = useCallback((event?: React.MouseEvent | React.TouchEvent) => {
+    if (event) {
+      event.preventDefault();
+      event.stopPropagation();
+    }
     isDraggingRef.current = false;
     dragTargetRef.current = null;
     if (canvasRef.current) {
@@ -504,6 +512,11 @@ export function QwenCameraWidget({
     }
   }, []);
 
+  const handleWheel = useCallback((event: React.WheelEvent) => {
+    event.preventDefault();
+    event.stopPropagation();
+  }, []);
+
   // 下拉选择器变化处理
   const handleAzimuthChange = useCallback((value: string) => {
     const val = Number(value);
@@ -582,7 +595,7 @@ export function QwenCameraWidget({
       <div className="relative flex-1 min-h-0 bg-muted/20 rounded-lg overflow-hidden border">
         <canvas
           ref={canvasRef}
-          className="w-full h-full block cursor-grab active:cursor-grabbing"
+          className="w-full h-full block cursor-grab active:cursor-grabbing touch-none select-none"
           onMouseDown={handlePointerDown}
           onMouseMove={handlePointerMove}
           onMouseUp={handlePointerUp}
@@ -590,6 +603,8 @@ export function QwenCameraWidget({
           onTouchStart={handlePointerDown}
           onTouchMove={handlePointerMove}
           onTouchEnd={handlePointerUp}
+          onTouchCancel={handlePointerUp}
+          onWheel={handleWheel}
         />
         
         {/* 提示词浮层 - 放在底部 */}