diff --git a/docs/content/docs/progress/pending-test.mdx b/docs/content/docs/progress/pending-test.mdx
index 54aaf02..57e88e9 100644
--- a/docs/content/docs/progress/pending-test.mdx
+++ b/docs/content/docs/progress/pending-test.mdx
@@ -5,4 +5,4 @@ description: 当前版本已实现但仍需人工验证的变更项
 
 # 待测试
 
-- 图片编辑弹窗：遮罩、切图和裁剪支持滚轮缩放、中键或空格加左键平移；遮罩支持撤回/重做、Alt 加左/右键横拖调整笔刷；切图支持选中线后 Delete 删除及撤回/重做；裁剪支持固定当前比例、原图、1:1、4:3、16:9、9:16，需验证高分辨率图片下无重影、闪烁或误触。
+- 图片编辑弹窗：遮罩、切图和裁剪支持滚轮缩放、中键或空格加左键平移；聚焦弹窗按钮后按空格应只进入平移模式，不能误触关闭或其他按钮；遮罩支持撤回/重做、Alt 加左/右键横拖调整笔刷；切图支持选中线后 Delete 删除及撤回/重做；裁剪支持固定当前比例、原图、1:1、4:3、16:9、9:16，需验证高分辨率图片下无重影、闪烁或误触。
diff --git a/web/src/components/canvas/use-image-editor-viewport.ts b/web/src/components/canvas/use-image-editor-viewport.ts
index c9a149b..8037368 100644
--- a/web/src/components/canvas/use-image-editor-viewport.ts
+++ b/web/src/components/canvas/use-image-editor-viewport.ts
@@ -37,11 +37,18 @@ export function useImageEditorViewport(image: ImageSize | null, open: boolean) {
             const target = event.target instanceof Element ? event.target : null;
             if (target?.closest("input,textarea,[contenteditable='true']")) return;
             event.preventDefault();
+            event.stopPropagation();
+            event.stopImmediatePropagation();
+            if (document.activeElement instanceof HTMLElement && document.activeElement.matches("button,a,[role='button']")) document.activeElement.blur();
             spacePressedRef.current = true;
             setSpacePressed(true);
         };
         const handleKeyUp = (event: KeyboardEvent) => {
-            if (event.code === "Space") releaseSpace();
+            if (event.code !== "Space" || !spacePressedRef.current) return;
+            event.preventDefault();
+            event.stopPropagation();
+            event.stopImmediatePropagation();
+            releaseSpace();
         };
         window.addEventListener("keydown", handleKeyDown, true);
         window.addEventListener("keyup", handleKeyUp, true);