diff --git a/frontend/index.html b/frontend/index.html
index f28603b..a092b09 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -41,7 +41,7 @@ <h1 class="align-center hidden" id="dragTip">松开鼠标以读取文件</h1>
                     上次修改时间：<code id="fileDate" style="margin-right: 5px;">未选择文件</code>
                 </p>
 
-                <strong class="color-red">本应用的所有操作均在您的设备上运行，不会收集任何信息，请放心使用！</strong>
+                <strong class="color-red">所有计算操作均在您的设备上运行，不会收集任何信息，请放心使用！</strong>
                 <br>
                 <br>
                 <p class="mdui-valign"><mdui-checkbox id="isClipboard"></mdui-checkbox>计算完成后将校验值写入剪贴板（仅在生成模式下生效）</p>
@@ -112,15 +112,18 @@ <h1 id="outputTitle"></h1>
         <mdui-button slot="action" id="settingsSaveBtn" variant="tonal">保存</mdui-button>
     </mdui-dialog>
 
-    <mdui-dialog headline="关于" id="about">
-        <p id="version"></p>
+    <mdui-dialog headline="关于" id="about" class="align-center">
+        <img width="120px" src="icon-512.png" />
+        <p class="headline-small no-margin" style="margin-top: 10px;;">Hash Checker</p>
+        <p id="version" class="no-margin" style="margin-top: 5px;"></p>
         <p>
             本应用在 <a target="_blank" href="https://github.com/Super12138/Hash-Checker/">GitHub</a> 上开源
             <br>
             由 <a target="_blank" href="https://github.com/Super12138/">Super12138</a> 开发
         </p>
-        <img width="50%" src="./src/assets/gpl.svg">
+        <img width="45%" src="./src/assets/gpl.svg">
         <p>遵循 GPL-3.0 协议</p>
+        <mdui-divider></mdui-divider>
         <p>开源库<br>
             <a target="_blank" href="https://github.com/vitejs/vite">Vite</a>
             <br>
diff --git a/frontend/src/index.css b/frontend/src/index.css
index 401e3d7..512d768 100644
--- a/frontend/src/index.css
+++ b/frontend/src/index.css
@@ -150,6 +150,10 @@ code {
     color: #00C853 !important;
 }
 
+.no-margin {
+    margin: 0;
+}
+
 /* 滚动条 */
 /* body::-webkit-scrollbar {
     width: 6px;
@@ -192,7 +196,8 @@ h1 {
     font-weight: var(--mdui-typescale-headline-medium-weight);
 }
 
-h2 {
+h2,
+.headline-small {
     line-height: var(--mdui-typescale-headline-small-line-height);
     font-size: var(--mdui-typescale-headline-small-size);
     letter-spacing: var(--mdui-typescale-headline-small-tracking);
diff --git a/frontend/src/index.ts b/frontend/src/index.ts
index cbb5df1..f0199ec 100644
--- a/frontend/src/index.ts
+++ b/frontend/src/index.ts
@@ -99,7 +99,7 @@ dropZone.addEventListener('drop', (e: DragEvent) => {
 
 // 初始化
 window.addEventListener("load", () => {
-    initPWA();
+    if (VARIANT !== "desktop") initPWA();
 
     const isFirstUse: boolean = string2Boolean(getStorageItem("firstUse", false));
     const cacheSizeValue: string = getStorageItem("cacheSize", 2048);
diff --git a/frontend/src/pwa/sw.ts b/frontend/src/pwa/sw.ts
index eac060d..9e7ee74 100644
--- a/frontend/src/pwa/sw.ts
+++ b/frontend/src/pwa/sw.ts
@@ -24,5 +24,4 @@ registerRoute(new NavigationRoute(
 ));
 
 self.skipWaiting();
-clientsClaim();
-
+clientsClaim();
\ No newline at end of file
diff --git a/frontend/src/utils/clipboard.ts b/frontend/src/utils/clipboard.ts
index 3dc58de..734a516 100644
--- a/frontend/src/utils/clipboard.ts
+++ b/frontend/src/utils/clipboard.ts
@@ -10,7 +10,7 @@ export async function writeClipboard(text: string) {
     } catch (e) {
         dialog({
             headline: '错误',
-            description: '无法写入剪贴板',
+            description: `无法写入剪贴板（${e}）`,
             actions: [
                 {
                     text: '确定'
diff --git a/frontend/src/utils/text.ts b/frontend/src/utils/text.ts
index 5a5aff6..d159368 100644
--- a/frontend/src/utils/text.ts
+++ b/frontend/src/utils/text.ts
@@ -7,7 +7,7 @@ export function compareHash(userHash: string, genHash: string): HTMLSpanElement
     differences.forEach((part: Change) => {
         const span: HTMLSpanElement = document.createElement('span');
         if (part.added) {
-            span.style.color = 'color-red';
+            span.classList.add('color-red')
         }
         if (part.removed) {
             span.style.textDecoration = 'line-through';