diff --git a/src/main/java/com/jetbrains/help/util/FileTools.java b/src/main/java/com/jetbrains/help/util/FileTools.java
index abf26f2..4fd12d0 100644
--- a/src/main/java/com/jetbrains/help/util/FileTools.java
+++ b/src/main/java/com/jetbrains/help/util/FileTools.java
@@ -3,12 +3,10 @@ package com.jetbrains.help.util;
 import cn.hutool.core.io.FileUtil;
 import cn.hutool.core.text.CharSequenceUtil;
 import cn.hutool.core.util.ObjectUtil;
-import cn.hutool.core.util.StrUtil;
 import org.springframework.boot.system.ApplicationHome;
 import org.springframework.core.io.ClassPathResource;
 
-import java.io.File;
-import java.io.IOException;
+import java.io.*;
 
 public interface FileTools {
 
@@ -30,14 +28,14 @@ public interface FileTools {
         File file = getFile(path);
         if (ObjectUtil.isNotNull(application.getSource())) {
             ClassPathResource classPathResource = new ClassPathResource(path);
-            File classPathFile = FileUtil.file(classPathResource.getPath());
             if (classPathResource.exists() && !file.exists()) {
-                try {
-                    FileUtil.writeFromStream(classPathResource.getInputStream(), classPathFile);
+                try (InputStream inputStream = classPathResource.getInputStream()) {
+                    FileUtil.writeFromStream(inputStream, file);
                 } catch (Exception e) {
-                    throw new IllegalArgumentException(CharSequenceUtil.format("{} 文件读取失败!", classPathFile.getPath()), e);
+                    throw new IllegalArgumentException(
+                            CharSequenceUtil.format("{} 文件读取失败!", path), e
+                    );
                 }
-                FileUtil.copy(classPathFile, file, true);
             }
         }
         return file;
diff --git a/src/main/resources/static/js/index.js b/src/main/resources/static/js/index.js
index 5ef82a9..56ded80 100644
--- a/src/main/resources/static/js/index.js
+++ b/src/main/resources/static/js/index.js
@@ -74,16 +74,22 @@ $(document).ready(function() {
             return navigator.clipboard.writeText(val);
         } else {
             console.log(val);
+            const scrollX = window.scrollX;
             const textArea = document.createElement('textarea')
             textArea.value = val
             // 使text area不在viewport，同时设置不可见
             document.body.appendChild(textArea)
             textArea.focus()
             textArea.select()
-            return new Promise((res, rej) => {
-                document.execCommand('copy') ? res() : rej()
-                textArea.remove()
-            })
+            try {
+                const result = document.execCommand('copy');
+                return result ? Promise.resolve() : Promise.reject();
+            } catch (e) {
+                return Promise.reject(e);
+            } finally {
+                textArea.remove();
+                window.scrollTo(scrollX, 0);
+            }
         }
     };