diff --git a/electron.vite.config.ts b/electron.vite.config.ts
index c7d889b..32424c3 100644
--- a/electron.vite.config.ts
+++ b/electron.vite.config.ts
@@ -1,5 +1,5 @@
 import vue from '@vitejs/plugin-vue';
-import { defineConfig, externalizeDepsPlugin } from 'electron-vite';
+import { defineConfig } from 'electron-vite';
 import { resolve } from 'path';
 import AutoImport from 'unplugin-auto-import/vite';
 import { NaiveUiResolver } from 'unplugin-vue-components/resolvers';
@@ -8,12 +8,8 @@ import viteCompression from 'vite-plugin-compression';
 import VueDevTools from 'vite-plugin-vue-devtools';
 
 export default defineConfig({
-  main: {
-    plugins: [externalizeDepsPlugin()]
-  },
-  preload: {
-    plugins: [externalizeDepsPlugin()]
-  },
+  main: {},
+  preload: {},
   renderer: {
     resolve: {
       alias: {
diff --git a/package.json b/package.json
index a378995..dd5c460 100644
--- a/package.json
+++ b/package.json
@@ -80,7 +80,7 @@
     "cross-env": "^7.0.3",
     "electron": "^39.2.7",
     "electron-builder": "^26.0.12",
-    "electron-vite": "^4.0.1",
+    "electron-vite": "^5.0.0",
     "eslint": "^9.39.2",
     "eslint-config-prettier": "^10.1.8",
     "eslint-plugin-import": "^2.32.0",
diff --git a/src/i18n/lang/en-US/settings.ts b/src/i18n/lang/en-US/settings.ts
index 7d190c9..31b1a83 100644
--- a/src/i18n/lang/en-US/settings.ts
+++ b/src/i18n/lang/en-US/settings.ts
@@ -273,6 +273,12 @@ export default {
       medium: 'Medium',
       large: 'Large'
     },
+    fontWeight: 'Font Weight',
+    fontWeightMarks: {
+      thin: 'Thin',
+      normal: 'Normal',
+      bold: 'Bold'
+    },
     letterSpacing: 'Letter Spacing',
     letterSpacingMarks: {
       compact: 'Compact',
diff --git a/src/i18n/lang/zh-CN/settings.ts b/src/i18n/lang/zh-CN/settings.ts
index 2c7e179..8cab9f5 100644
--- a/src/i18n/lang/zh-CN/settings.ts
+++ b/src/i18n/lang/zh-CN/settings.ts
@@ -270,6 +270,12 @@ export default {
       medium: '中',
       large: '大'
     },
+    fontWeight: '字体粗细',
+    fontWeightMarks: {
+      thin: '细',
+      normal: '常规',
+      bold: '粗'
+    },
     letterSpacing: '字间距',
     letterSpacingMarks: {
       compact: '紧凑',
diff --git a/src/renderer/components/lyric/LyricSettings.vue b/src/renderer/components/lyric/LyricSettings.vue
index b69d328..880f30e 100644
--- a/src/renderer/components/lyric/LyricSettings.vue
+++ b/src/renderer/components/lyric/LyricSettings.vue
@@ -1,10 +1,10 @@
 <template>
   <div
-    class="w-96 rounded-2xl bg-white/5 backdrop-blur-3xl border border-white/10 shadow-2xl overflow-hidden"
+    class="w-80 rounded-2xl bg-black/30 backdrop-blur-3xl border border-white/10 shadow-2xl overflow-hidden"
   >
     <!-- 标题栏 -->
     <div class="px-6 py-4 border-b border-white/5">
-      <h2 class="text-lg font-semibold tracking-tight" style="color: var(--text-color-active)">
+      <h2 class="text-lg font-semibold tracking-tight text-white/90">
         {{ t('settings.lyricSettings.title') }}
       </h2>
     </div>
@@ -22,7 +22,7 @@
               ? 'bg-emerald-500 text-white shadow-lg shadow-emerald-500/30'
               : 'hover:bg-white/5'
           ]"
-          :style="activeTab !== tab.key ? 'color: var(--text-color-primary); opacity: 0.7' : ''"
+          :style="activeTab !== tab.key ? 'color: rgba(255, 255, 255, 0.7);' : ''"
         >
           {{ tab.label }}
         </button>
@@ -31,10 +31,10 @@
 
     <!-- 内容区域 -->
     <div
-      class="px-4 pb-4 max-h-[500px] overflow-y-auto scrollbar-thin scrollbar-thumb-white/20 scrollbar-track-transparent"
+      class="px-3 pb-3 max-h-[450px] overflow-y-auto scrollbar-thin scrollbar-thumb-white/20 scrollbar-track-transparent"
     >
       <!-- 显示设置 -->
-      <div v-show="activeTab === 'display'" class="space-y-3 pt-3">
+      <div v-show="activeTab === 'display'" class="space-y-2 pt-2">
         <div class="setting-item">
           <span>{{ t('settings.lyricSettings.pureMode') }}</span>
           <input type="checkbox" v-model="config.pureModeEnabled" class="toggle-switch" />
@@ -118,6 +118,23 @@
           </div>
         </div>
 
+        <div class="slider-group">
+          <label class="slider-label">{{ t('settings.lyricSettings.fontWeight') }}</label>
+          <input
+            type="range"
+            v-model.number="config.fontWeight"
+            min="100"
+            max="900"
+            step="100"
+            class="slider-emerald"
+          />
+          <div class="slider-marks">
+            <span>{{ t('settings.lyricSettings.fontWeightMarks.thin') }}</span>
+            <span>{{ t('settings.lyricSettings.fontWeightMarks.normal') }}</span>
+            <span>{{ t('settings.lyricSettings.fontWeightMarks.bold') }}</span>
+          </div>
+        </div>
+
         <div class="slider-group">
           <label class="slider-label">{{ t('settings.lyricSettings.lineHeight') }}</label>
           <input
@@ -241,8 +258,7 @@
           <button
             v-if="config.gradientColors.colors.length < 5"
             @click="addGradientColor"
-            class="w-full py-2 px-4 rounded-lg bg-emerald-500/20 hover:bg-emerald-500/30 transition-colors text-sm font-medium flex items-center justify-center gap-2"
-            style="color: var(--text-color-active)"
+            class="w-full py-2 px-4 rounded-lg bg-emerald-500/20 hover:bg-emerald-500/30 transition-colors text-sm font-medium flex items-center justify-center gap-2 text-white/90"
           >
             <i class="ri-add-line"></i>
             {{ t('settings.lyricSettings.background.addColor') }}
@@ -277,8 +293,7 @@
           />
           <button
             @click="fileInput?.click()"
-            class="w-full py-2 px-4 rounded-lg bg-emerald-500/20 hover:bg-emerald-500/30 transition-colors text-sm font-medium flex items-center justify-center gap-2"
-            style="color: var(--text-color-active)"
+            class="w-full py-2 px-4 rounded-lg bg-emerald-500/20 hover:bg-emerald-500/30 transition-colors text-sm font-medium flex items-center justify-center gap-2 text-white/90"
           >
             <i class="ri-image-add-line"></i>
             {{ t('settings.lyricSettings.background.imageUpload') }}
@@ -338,7 +353,7 @@
             </div>
           </div>
 
-          <p class="text-xs" style="color: var(--text-color-primary); opacity: 0.5">
+          <p class="text-xs text-white/50">
             {{ t('settings.lyricSettings.background.fileSizeLimit') }}
           </p>
         </div>
@@ -352,10 +367,9 @@
             v-model="config.customCss"
             :placeholder="t('settings.lyricSettings.background.customCssPlaceholder')"
             rows="4"
-            class="w-full px-3 py-2 bg-black/20 border border-white/10 rounded-lg text-sm focus:outline-none focus:ring-2 focus:ring-emerald-500/50 font-mono"
-            style="color: var(--text-color-primary)"
+            class="w-full px-3 py-2 bg-black/20 border border-white/10 rounded-lg text-sm focus:outline-none focus:ring-2 focus:ring-emerald-500/50 font-mono text-white/90"
           ></textarea>
-          <p class="text-xs" style="color: var(--text-color-primary); opacity: 0.5">
+          <p class="text-xs text-white/50">
             {{ t('settings.lyricSettings.background.customCssHelp') }}
           </p>
         </div>
@@ -464,6 +478,10 @@ watch(
 const updateCSSVariables = (config: LyricConfig) => {
   document.documentElement.style.setProperty('--lyric-font-size', `${config.fontSize}px`);
   document.documentElement.style.setProperty('--lyric-letter-spacing', `${config.letterSpacing}px`);
+  document.documentElement.style.setProperty(
+    '--lyric-font-weight',
+    config.fontWeight?.toString() || '400'
+  );
   document.documentElement.style.setProperty('--lyric-line-height', config.lineHeight.toString());
 };
 
@@ -486,13 +504,13 @@ defineExpose({
   display: flex;
   align-items: center;
   justify-content: space-between;
-  padding: 12px 16px;
-  background: rgba(255, 255, 255, 0.03);
-  border: 1px solid rgba(255, 255, 255, 0.05);
+  padding: 8px 12px;
+  background: rgba(255, 255, 255, 0.05);
+  border: 1px solid rgba(255, 255, 255, 0.08);
   border-radius: 12px;
   transition: all 0.2s;
-  font-size: 14px;
-  color: var(--text-color-primary);
+  font-size: 13px;
+  color: rgba(255, 255, 255, 0.9);
 }
 
 .setting-item:hover {
@@ -533,21 +551,21 @@ defineExpose({
 
 /* 滑块组 */
 .slider-group {
-  padding: 16px;
-  background: rgba(255, 255, 255, 0.03);
-  border: 1px solid rgba(255, 255, 255, 0.05);
+  padding: 10px 12px;
+  background: rgba(255, 255, 255, 0.05);
+  border: 1px solid rgba(255, 255, 255, 0.08);
   border-radius: 12px;
 }
 
 .slider-label {
   display: block;
-  font-size: 12px;
+  font-size: 11px;
   font-weight: 600;
   text-transform: uppercase;
   letter-spacing: 0.05em;
-  color: var(--text-color-primary);
-  opacity: 0.7;
-  margin-bottom: 12px;
+  color: rgba(255, 255, 255, 0.8);
+  opacity: 0.8;
+  margin-bottom: 8px;
 }
 
 .slider-emerald {
@@ -584,7 +602,7 @@ defineExpose({
   justify-content: space-between;
   margin-top: 8px;
   font-size: 11px;
-  color: var(--text-color-primary);
+  color: rgba(255, 255, 255, 0.8);
   opacity: 0.5;
 }
 
@@ -602,7 +620,7 @@ defineExpose({
   font-weight: 600;
   text-transform: uppercase;
   letter-spacing: 0.05em;
-  color: var(--text-color-primary);
+  color: rgba(255, 255, 255, 0.8);
   opacity: 0.7;
   margin-bottom: 12px;
 }
@@ -615,7 +633,7 @@ defineExpose({
   cursor: pointer;
   transition: all 0.2s;
   font-size: 14px;
-  color: var(--text-color-primary);
+  color: rgba(255, 255, 255, 0.8);
 }
 
 .radio-item:hover {
@@ -632,7 +650,7 @@ defineExpose({
   cursor: pointer;
   transition: all 0.2s;
   font-size: 13px;
-  color: var(--text-color-primary);
+  color: rgba(255, 255, 255, 0.8);
   background: rgba(255, 255, 255, 0.03);
   border: 1px solid rgba(255, 255, 255, 0.05);
 }
@@ -685,7 +703,7 @@ defineExpose({
   font-weight: 600;
   text-transform: uppercase;
   letter-spacing: 0.05em;
-  color: var(--text-color-primary);
+  color: rgba(255, 255, 255, 0.8);
   opacity: 0.7;
   margin-bottom: 12px;
 }
@@ -741,7 +759,7 @@ defineExpose({
   font-weight: 600;
   text-transform: uppercase;
   letter-spacing: 0.05em;
-  color: var(--text-color-primary);
+  color: rgba(255, 255, 255, 0.8);
   opacity: 0.7;
   margin-bottom: 12px;
 }
@@ -752,7 +770,7 @@ defineExpose({
   background: rgba(0, 0, 0, 0.2);
   border: 1px solid rgba(255, 255, 255, 0.1);
   border-radius: 8px;
-  color: var(--text-color-primary);
+  color: rgba(255, 255, 255, 0.8);
   font-size: 14px;
   cursor: pointer;
   outline: none;
diff --git a/src/renderer/components/lyric/MusicFull.vue b/src/renderer/components/lyric/MusicFull.vue
index 7893b91..2e2f08e 100644
--- a/src/renderer/components/lyric/MusicFull.vue
+++ b/src/renderer/components/lyric/MusicFull.vue
@@ -31,7 +31,7 @@
         class="control-right absolute top-8 right-8 z-[9999]"
         :class="{ 'pure-mode': config.pureModeEnabled }"
       >
-        <n-popover trigger="click" placement="bottom">
+        <n-popover trigger="click" placement="bottom" raw>
           <template #trigger>
             <div class="control-btn">
               <i class="ri-settings-3-line"></i>
@@ -110,7 +110,7 @@
             @mouseleave="mouseLeaveLayout"
           >
             <!-- 歌曲信息 -->
-            <div ref="lrcContainer" class="music-lrc-container">
+            <div class="music-lrc-container">
               <div
                 v-if="config.hideCover"
                 class="music-info-header"
@@ -212,7 +212,6 @@ const { t } = useI18n();
 // 定义 refs
 const lrcSider = ref<any>(null);
 const isMouse = ref(false);
-const lrcContainer = ref<HTMLElement | null>(null);
 const currentBackground = ref('');
 const animationFrame = ref<number | null>(null);
 const isDark = ref(false);
@@ -670,6 +669,14 @@ watch(
   }
 );
 
+// 监听字体粗细变化
+watch(
+  () => config.value.fontWeight,
+  (newWeight) => {
+    document.documentElement.style.setProperty('--lyric-font-weight', newWeight.toString());
+  }
+);
+
 // 监听主题变化
 watch(
   () => config.value.theme,
@@ -889,6 +896,7 @@ defineExpose({
     .music-lrc-text {
       @apply text-2xl cursor-pointer font-bold px-4 py-3;
       font-family: var(--current-font-family);
+      font-weight: var(--lyric-font-weight, bold) !important;
       transition: all 0.3s ease;
       background-color: transparent;
       font-size: var(--lyric-font-size, 22px) !important;
@@ -1071,10 +1079,4 @@ defineExpose({
     pointer-events: auto !important;
   }
 }
-
-/* 移除 Popover padding */
-:deep(.n-popover) {
-  padding: 0 !important;
-  background-color: transparent !important;
-}
 </style>
diff --git a/src/renderer/components/settings/MusicSourceSettings.vue b/src/renderer/components/settings/MusicSourceSettings.vue
index 3791c01..9a05d2d 100644
--- a/src/renderer/components/settings/MusicSourceSettings.vue
+++ b/src/renderer/components/settings/MusicSourceSettings.vue
@@ -730,8 +730,8 @@ watch(
 
 // 监听落雪音源列表变化
 watch(
-  () => [lxMusicApis.value.length, activeLxApiId.value],
-  ([apiCount, activeId]: [number, string | null]) => {
+  [() => lxMusicApis.value.length, () => activeLxApiId.value],
+  ([apiCount, activeId]) => {
     // 如果没有音源或没有激活的音源，自动从已选音源中移除 lxMusic
     if (apiCount === 0 || !activeId) {
       const index = selectedSources.value.indexOf('lxMusic');
diff --git a/src/renderer/types/lyric.ts b/src/renderer/types/lyric.ts
index 1d3a4bc..e793a21 100644
--- a/src/renderer/types/lyric.ts
+++ b/src/renderer/types/lyric.ts
@@ -3,6 +3,7 @@ export interface LyricConfig {
   centerLyrics: boolean;
   fontSize: number;
   letterSpacing: number;
+  fontWeight: number;
   lineHeight: number;
   showTranslation: boolean;
   theme: 'default' | 'light' | 'dark';
@@ -35,6 +36,7 @@ export const DEFAULT_LYRIC_CONFIG: LyricConfig = {
   centerLyrics: false,
   fontSize: 22,
   letterSpacing: 0,
+  fontWeight: 500,
   lineHeight: 2,
   showTranslation: true,
   theme: 'default',