diff --git a/src/utils/utils.ts b/src/utils/utils.ts
index 62f74ca5..e8db216c 100644
--- a/src/utils/utils.ts
+++ b/src/utils/utils.ts
@@ -141,12 +141,13 @@ export const addEventListener = <K extends keyof WindowEventMap>(
   target: HTMLElement | Document,
   type: K,
   listener: any,
+  delay?: number,
   options?: boolean | AddEventListenerOptions | undefined
 ) => {
   if (!target) return
   target.addEventListener(
     type,
-    throttle(listener, 300, {
+    throttle(listener, delay || 300, {
       leading: true,
       trailing: false,
     }),
@@ -167,7 +168,7 @@ export const removeEventListener = <K extends keyof WindowEventMap>(
 }
 
 /**
- * * 截取画面为图片
+ * * 截取画面为图片并下载
  * @param html 需要截取的 DOM
  */
 export const canvasCut = (html: HTMLElement | null, callback?: Function) => {
diff --git a/src/views/chart/HeaderRightBtn/index.vue b/src/views/chart/HeaderRightBtn/index.vue
index 15928c9c..db13dd65 100644
--- a/src/views/chart/HeaderRightBtn/index.vue
+++ b/src/views/chart/HeaderRightBtn/index.vue
@@ -54,6 +54,9 @@ const previewHandle = () => {
   routerTurnByPath(path, [previewId], undefined, true)
 }
 
+// 导入
+const importHandle = () => {}
+
 // 导出
 const exportHandle = () => {
   // 导出数据
@@ -115,6 +118,7 @@ const btnList = shallowReactive([
     event: sendHandle
   }
 ])
+
 </script>
 <style lang="scss" scoped>
 .align-center {
diff --git a/src/views/chart/hooks/useKeyboard.hook.ts b/src/views/chart/hooks/useKeyboard.hook.ts
index 76838f4c..604d9c35 100644
--- a/src/views/chart/hooks/useKeyboard.hook.ts
+++ b/src/views/chart/hooks/useKeyboard.hook.ts
@@ -70,7 +70,7 @@ const KeyboardHandle = (e: KeyboardEvent) => {
 }
 
 export const useAddKeyboard = () => {
-  addEventListener(document, 'keyup', KeyboardHandle)
+  addEventListener(document, 'keyup', KeyboardHandle, 20)
 }
 
 export const useRemoveKeyboard = () => {