diff --git a/.editorconfig b/.editorconfig
index 3dce414..7d97d2b 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -6,4 +6,7 @@ indent_style = space
 indent_size = 2
 end_of_line = lf
 insert_final_newline = true
-trim_trailing_whitespace = true
\ No newline at end of file
+trim_trailing_whitespace = true
+
+[*.py]
+indent_size = 4
diff --git a/python-subprocess/main-gummy.py b/python-subprocess/main-gummy.py
index a169a34..5b3903e 100644
--- a/python-subprocess/main-gummy.py
+++ b/python-subprocess/main-gummy.py
@@ -12,7 +12,7 @@ import sys
 import argparse
 
 def convert_audio_to_text(s_lang, t_lang, audio_type):
-    sys.stdout.reconfigure(line_buffering=True)
+    sys.stdout.reconfigure(line_buffering=True) # type: ignore
     stream = AudioStream(audio_type)
     stream.openStream()
 
@@ -45,4 +45,3 @@ if __name__ == "__main__":
         args.target_language,
         0 if args.audio_type == '0' else 1
     )
-    
\ No newline at end of file
diff --git a/src/main/types/index.ts b/src/main/types/index.ts
index 0a2af4c..571145d 100644
--- a/src/main/types/index.ts
+++ b/src/main/types/index.ts
@@ -15,6 +15,7 @@ export interface Controls {
 }
 
 export interface Styles {
+  lineBreak: number,
   fontFamily: string,
   fontSize: number,
   fontColor: string,
diff --git a/src/main/utils/AllConfig.ts b/src/main/utils/AllConfig.ts
index 23e8382..5decb3e 100644
--- a/src/main/utils/AllConfig.ts
+++ b/src/main/utils/AllConfig.ts
@@ -7,6 +7,7 @@ import * as path from 'path'
 import * as fs from 'fs'
 
 const defaultStyles: Styles = {
+  lineBreak: 1,
   fontFamily: 'sans-serif',
   fontSize: 24,
   fontColor: '#000000',
diff --git a/src/renderer/src/App.vue b/src/renderer/src/App.vue
index 5f42c6d..3189e9e 100644
--- a/src/renderer/src/App.vue
+++ b/src/renderer/src/App.vue
@@ -4,17 +4,13 @@
 
 <script setup lang="ts">
 import { onMounted } from 'vue'
-import { useRouter } from 'vue-router'
 import { FullConfig } from './types'
 import { useCaptionLogStore } from './stores/captionLog'
 import { useCaptionStyleStore } from './stores/captionStyle'
 import { useEngineControlStore } from './stores/engineControl'
 import { useGeneralSettingStore } from './stores/generalSetting'
 
-const router = useRouter()
-
 onMounted(() => {
-  console.log('Current route:', router.currentRoute.value.fullPath)
   window.electron.ipcRenderer.invoke('both.window.mounted').then((data: FullConfig) => {
     useGeneralSettingStore().uiLanguage = data.uiLanguage
     useGeneralSettingStore().uiTheme = data.uiTheme
diff --git a/src/renderer/src/assets/input.css b/src/renderer/src/assets/input.css
index fd95848..0a90e98 100644
--- a/src/renderer/src/assets/input.css
+++ b/src/renderer/src/assets/input.css
@@ -23,5 +23,5 @@
   width: 80px;
   text-align: right;
   font-size: 12px;
-  color: #666
+  color: var(--tag-color)
 }
diff --git a/src/renderer/src/assets/main.css b/src/renderer/src/assets/main.css
index 408d97b..209687f 100644
--- a/src/renderer/src/assets/main.css
+++ b/src/renderer/src/assets/main.css
@@ -1,5 +1,7 @@
 :root {
   --control-background: #fff;
+  --tag-color: rgba(0, 0, 0, 0.45);
+  --icon-color: rgba(0, 0, 0, 0.88);
 }
 
 body {
diff --git a/src/renderer/src/components/CaptionStyle.vue b/src/renderer/src/components/CaptionStyle.vue
index 3ee3069..d2c7611 100644
--- a/src/renderer/src/components/CaptionStyle.vue
+++ b/src/renderer/src/components/CaptionStyle.vue
@@ -5,6 +5,16 @@
       <a @click="backStyle">{{ $t('style.cancelChange') }}</a> |
       <a @click="resetStyle">{{ $t('style.resetStyle') }}</a>
     </template>
+
+    <div class="input-item">
+      <span class="input-label">{{ $t('style.longCaption') }}</span>
+      <a-select
+        class="input-area"
+        v-model:value="currentLineBreak"
+        :options="captionStyle.iBreakOptions"
+      ></a-select>
+    </div>
+
     <div class="input-item">
       <span class="input-label">{{ $t('style.fontFamily') }}</span>
       <a-input
@@ -105,21 +115,26 @@
         backgroundColor: addOpicityToColor(currentBackground, currentOpacity)
       }"
     >
-      <p class="preview-caption"
+      <p :class="[captionStyle.lineBreak?'':'left-ellipsis']"
         :style="{
           fontFamily: currentFontFamily,
           fontSize: currentFontSize + 'px',
           color: currentFontColor
-        }">
-        {{ $t('example.original') }}
+      }">
+        <span v-if="captionData.length">{{ captionData[captionData.length-1].text }}</span>
+        <span v-else>{{ $t('example.original') }}</span>
       </p>
-      <p class="preview-translation" v-if="currentTransDisplay"
+      <p :class="[captionStyle.lineBreak?'':'left-ellipsis']"
+        v-if="currentTransDisplay"
         :style="{
           fontFamily: currentTransFontFamily,
           fontSize: currentTransFontSize + 'px',
           color: currentTransFontColor
         }"
-      >{{ $t('example.translation') }}</p>
+      >
+        <span v-if="captionData.length">{{ captionData[captionData.length-1].translation }}</span>
+        <span v-else>{{ $t('example.translation') }}</span>
+      </p>
     </div>
   </Teleport>
 
@@ -131,12 +146,17 @@ import { useCaptionStyleStore } from '@renderer/stores/captionStyle'
 import { storeToRefs } from 'pinia'
 import { notification } from 'ant-design-vue'
 import { useI18n } from 'vue-i18n'
+import { useCaptionLogStore } from '@renderer/stores/captionLog';
+
+const captionLog = useCaptionLogStore();
+const { captionData } = storeToRefs(captionLog);
 
 const { t } = useI18n()
 
 const captionStyle = useCaptionStyleStore()
 const { changeSignal } = storeToRefs(captionStyle)
 
+const currentLineBreak = ref<number>(0)
 const currentFontFamily = ref<string>('sans-serif')
 const currentFontSize = ref<number>(24)
 const currentFontColor = ref<string>('#000000')
@@ -161,6 +181,7 @@ function useSameStyle(){
 }
 
 function applyStyle(){
+  captionStyle.lineBreak = currentLineBreak.value;
   captionStyle.fontFamily = currentFontFamily.value;
   captionStyle.fontSize = currentFontSize.value;
   captionStyle.fontColor = currentFontColor.value;
@@ -175,12 +196,13 @@ function applyStyle(){
   captionStyle.sendStylesChange();
 
     notification.open({
-    message: t('noti.engineChange'),
-    description: t('noti.changeInfo')
+    message: t('noti.styleChange'),
+    description: t('noti.styleInfo')
   });
 }
 
 function backStyle(){
+  currentLineBreak.value = captionStyle.lineBreak;
   currentFontFamily.value = captionStyle.fontFamily;
   currentFontSize.value = captionStyle.fontSize;
   currentFontColor.value = captionStyle.fontColor;
@@ -221,7 +243,20 @@ watch(changeSignal, (val) => {
 }
 
 .preview-container p {
+  text-align: center;
   margin: 0;
   line-height: 1.5em;
 }
+
+.left-ellipsis {
+  white-space: nowrap;
+  overflow: hidden;
+  direction: rtl;
+  text-align: left;
+}
+
+.left-ellipsis > span {
+  direction: ltr;
+  display: inline-block;
+}
 </style>
diff --git a/src/renderer/src/components/EngineStatus.vue b/src/renderer/src/components/EngineStatus.vue
index d837f85..4a8644c 100644
--- a/src/renderer/src/components/EngineStatus.vue
+++ b/src/renderer/src/components/EngineStatus.vue
@@ -107,7 +107,7 @@ function stopEngine() {
 
 <style scoped>
 .about-tag {
-  color: rgba(0,0,0,0.45);
+  color: var(--tag-color);
   margin-bottom: 16px;
 }
 
@@ -115,7 +115,7 @@ function stopEngine() {
   display: inline-block;
   font-size: 24px;
   cursor: pointer;
-  color: #1f2328;
+  color: var(--icon-color);
 }
 
 .about-modal-content {
diff --git a/src/renderer/src/i18n/config/linebreak.ts b/src/renderer/src/i18n/config/linebreak.ts
new file mode 100644
index 0000000..3b1660d
--- /dev/null
+++ b/src/renderer/src/i18n/config/linebreak.ts
@@ -0,0 +1,32 @@
+export const breakOptions = {
+  zh: [
+    {
+      value: 1,
+      label: '换行（可能造成字幕窗口高度增加）'
+    },
+    {
+      value: 0,
+      label: '不换行（省略掉超出字幕窗口宽度的内容）'
+    }
+  ],
+  en: [
+    {
+      value: 1,
+      label: 'Wrap (may increase caption window height)'
+    },
+    {
+      value: 0,
+      label: 'Do not wrap (truncate content that exceeds caption window width)'
+    }
+  ],
+  ja: [
+    {
+      value: 1,
+      label: '改行する（字幕ウィンドウの高さが増える可能性があります）'
+    },
+    {
+      value: 0,
+      label: '改行しない（字幕ウィンドウの幅を超える内容は省略します）'
+    }
+  ]
+}
diff --git a/src/renderer/src/i18n/index.ts b/src/renderer/src/i18n/index.ts
index fb90bf8..60bc6c2 100644
--- a/src/renderer/src/i18n/index.ts
+++ b/src/renderer/src/i18n/index.ts
@@ -17,3 +17,4 @@ export const i18n = createI18n({
 export * from './config/engine'
 export * from './config/audio'
 export * from './config/theme'
+export * from './config/linebreak'
diff --git a/src/renderer/src/i18n/lang/en.ts b/src/renderer/src/i18n/lang/en.ts
index 7998f7a..093f84c 100644
--- a/src/renderer/src/i18n/lang/en.ts
+++ b/src/renderer/src/i18n/lang/en.ts
@@ -20,14 +20,16 @@ export default {
     "stoppedInfo": "The caption engine has stopped. You can click the 'Start Caption Engine' button to restart it.",
     "error": "An error occurred",
     "engineChange": "Cpation Engine Configuration Changed",
-    "changeInfo": "If the caption engine is already running, you need to restart it for the changes to take effect."
+    "changeInfo": "If the caption engine is already running, you need to restart it for the changes to take effect.",
+    "styleChange": "Caption Style Changed",
+    "styleInfo": "Caption style changes have been saved and applied."
   },
   general: {
     "title": "General Settings",
     "uiLanguage": "Language",
     "barWidth": "Width",
     "note": "General Settings take effect immediately. Please note that changes to the Caption Engine Settings and Caption Style Settings will only take effect after clicking Apply.",
-    "theme": "theme",
+    "theme": "Theme",
     "light": "light",
     "dark": "dark",
     "system": "system"
@@ -57,6 +59,7 @@ export default {
     "applyStyle": "Apply",
     "cancelChange": "Cancel",
     "resetStyle": "Reset",
+    "longCaption": "LongCaption",
     "fontFamily": "Font Family",
     "fontColor": "Font Color",
     "fontSize": "Font Size",
diff --git a/src/renderer/src/i18n/lang/ja.ts b/src/renderer/src/i18n/lang/ja.ts
index 0bbf407..df9c97a 100644
--- a/src/renderer/src/i18n/lang/ja.ts
+++ b/src/renderer/src/i18n/lang/ja.ts
@@ -20,7 +20,9 @@ export default {
     "stoppedInfo": "字幕エンジンが停止しました。再起動するには「字幕エンジンを開始」ボタンをクリックしてください。",
     "error": "エラーが発生しました",
     "engineChange": "字幕エンジンの設定が変更されました",
-    "changeInfo": "字幕エンジンがすでに起動している場合、変更を有効にするには再起動が必要です。"
+    "changeInfo": "字幕エンジンがすでに起動している場合、変更を有効にするには再起動が必要です。",
+    "styleChange": "字幕のスタイルが変更されました",
+    "styleInfo": "字幕のスタイル変更が保存され、適用されました"
   },
   general: {
     "title": "一般設定",
@@ -57,6 +59,7 @@ export default {
     "applyStyle": "適用",
     "cancelChange": "キャンセル",
     "resetStyle": "リセット",
+    "longCaption": "長い字幕",
     "fontFamily": "フォント",
     "fontColor": "カラー",
     "fontSize": "サイズ",
diff --git a/src/renderer/src/i18n/lang/zh.ts b/src/renderer/src/i18n/lang/zh.ts
index 4595485..2498bc5 100644
--- a/src/renderer/src/i18n/lang/zh.ts
+++ b/src/renderer/src/i18n/lang/zh.ts
@@ -1,6 +1,6 @@
 export default {
   example: {
-    "original": "This is a preview of caption styles.",
+    "original": "This is a preview of caption styles. ",
     "translation": "（翻译）这是字幕样式预览。"
   },
   noti: {
@@ -21,8 +21,8 @@ export default {
     "error": "发生错误",
     "engineChange": "字幕引擎配置已更改",
     "changeInfo": "如果字幕引擎已经启动，需要重启字幕引擎修改才会生效",
-    "styleChange": "字幕样式修改已更改",
-    "styleInfo": "字幕样式修改已经生效"
+    "styleChange": "字幕样式已修改",
+    "styleInfo": "字幕样式修改已经保存并生效"
   },
   general: {
     "title": "通用设置",
@@ -59,6 +59,7 @@ export default {
     "applyStyle": "应用样式",
     "cancelChange": "取消更改",
     "resetStyle": "恢复默认",
+    "longCaption": "长字幕",
     "fontFamily": "字体族",
     "fontColor": "字体颜色",
     "fontSize": "字体大小",
diff --git a/src/renderer/src/stores/captionStyle.ts b/src/renderer/src/stores/captionStyle.ts
index 64ae5e3..7972f41 100644
--- a/src/renderer/src/stores/captionStyle.ts
+++ b/src/renderer/src/stores/captionStyle.ts
@@ -1,8 +1,10 @@
 import { ref, computed } from 'vue'
 import { defineStore } from 'pinia'
 import { Styles } from '@renderer/types'
+import { breakOptions } from '@renderer/i18n'
 
 export const useCaptionStyleStore = defineStore('captionStyle', () => {
+  const lineBreak = ref<number>(1)
   const fontFamily = ref<string>('sans-serif')
   const fontSize = ref<number>(24)
   const fontColor = ref<string>('#000000')
@@ -14,6 +16,7 @@ export const useCaptionStyleStore = defineStore('captionStyle', () => {
   const transFontSize = ref<number>(24)
   const transFontColor = ref<string>('#000000')
 
+  const iBreakOptions = ref(breakOptions['zh'])
   const changeSignal = ref<boolean>(false)
 
   function addOpicityToColor(color: string, opicity: number) {
@@ -28,6 +31,7 @@ export const useCaptionStyleStore = defineStore('captionStyle', () => {
 
   function sendStylesChange() {
     const styles: Styles = {
+      lineBreak: lineBreak.value,
       fontFamily: fontFamily.value,
       fontSize: fontSize.value,
       fontColor: fontColor.value,
@@ -47,6 +51,7 @@ export const useCaptionStyleStore = defineStore('captionStyle', () => {
   }
 
   function setStyles(args: Styles){
+    lineBreak.value = args.lineBreak
     fontFamily.value = args.fontFamily
     fontSize.value = args.fontSize
     fontColor.value = args.fontColor
@@ -65,6 +70,7 @@ export const useCaptionStyleStore = defineStore('captionStyle', () => {
   })
 
   return {
+    lineBreak,          // 换行方式
     fontFamily,         // 字体族
     fontSize,           // 字体大小
     fontColor,          // 字体颜色
@@ -79,6 +85,7 @@ export const useCaptionStyleStore = defineStore('captionStyle', () => {
     setStyles,          // 设置样式
     sendStylesChange,   // 发送样式改变
     sendStylesReset,    // 恢复默认样式
+    iBreakOptions,      // 换行选项
     changeSignal        // 样式改变信号
   }
 })
diff --git a/src/renderer/src/stores/generalSetting.ts b/src/renderer/src/stores/generalSetting.ts
index 510f35f..0eeef4a 100644
--- a/src/renderer/src/stores/generalSetting.ts
+++ b/src/renderer/src/stores/generalSetting.ts
@@ -3,8 +3,9 @@ import { defineStore } from 'pinia'
 import { i18n } from '../i18n'
 import type { UILanguage, UITheme } from '../types'
 
-import { engines, audioTypes, antDesignTheme  } from '../i18n'
+import { engines, audioTypes, antDesignTheme, breakOptions  } from '../i18n'
 import { useEngineControlStore } from './engineControl'
+import { useCaptionStyleStore } from './captionStyle'
 
 export const useGeneralSettingStore = defineStore('generalSetting', () => {
   const uiLanguage = ref<UILanguage>('zh')
@@ -17,6 +18,7 @@ export const useGeneralSettingStore = defineStore('generalSetting', () => {
     i18n.global.locale.value = newValue
     useEngineControlStore().captionEngine = engines[newValue]
     useEngineControlStore().audioType = audioTypes[newValue]
+    useCaptionStyleStore().iBreakOptions = breakOptions[newValue]
     window.electron.ipcRenderer.send('control.uiLanguage.change', newValue)
   })
 
@@ -49,12 +51,16 @@ export const useGeneralSettingStore = defineStore('generalSetting', () => {
     antdTheme.value = antDesignTheme.light
     const root = document.documentElement
     root.style.setProperty('--control-background', '#fff')
+    root.style.setProperty('--tag-color', 'rgba(0, 0, 0, 0.45)')
+    root.style.setProperty('--icon-color', 'rgba(0, 0, 0, 0.88)')
   }
 
   function setDarkTheme(){
     antdTheme.value = antDesignTheme.dark
     const root = document.documentElement
     root.style.setProperty('--control-background', '#000')
+    root.style.setProperty('--tag-color', 'rgba(255, 255, 255, 0.45)')
+    root.style.setProperty('--icon-color', 'rgba(255, 255, 255, 0.85)')
   }
 
   return {
diff --git a/src/renderer/src/types/index.ts b/src/renderer/src/types/index.ts
index 0a2af4c..571145d 100644
--- a/src/renderer/src/types/index.ts
+++ b/src/renderer/src/types/index.ts
@@ -15,6 +15,7 @@ export interface Controls {
 }
 
 export interface Styles {
+  lineBreak: number,
   fontFamily: string,
   fontSize: number,
   fontColor: string,
diff --git a/src/renderer/src/views/CaptionPage.vue b/src/renderer/src/views/CaptionPage.vue
index e4f24a9..555e92f 100644
--- a/src/renderer/src/views/CaptionPage.vue
+++ b/src/renderer/src/views/CaptionPage.vue
@@ -20,7 +20,7 @@
       </div>
     </div>
     <div class="caption-container">
-      <p class="preview-caption" :style="{
+      <p :class="[captionStyle.lineBreak?'':'left-ellipsis']" :style="{
         fontFamily: captionStyle.fontFamily,
         fontSize: captionStyle.fontSize + 'px',
         color: captionStyle.fontColor
@@ -28,7 +28,9 @@
         <span v-if="captionData.length">{{ captionData[captionData.length-1].text }}</span>
         <span v-else>{{ $t('example.original') }}</span>
       </p>
-      <p class="preview-translation" v-if="captionStyle.transDisplay" :style="{
+      <p :class="[captionStyle.lineBreak?'':'left-ellipsis']"
+        v-if="captionStyle.transDisplay"
+        :style="{
         fontFamily: captionStyle.transFontFamily,
         fontSize: captionStyle.transFontSize + 'px',
         color: captionStyle.transFontColor
@@ -121,4 +123,16 @@ function closeCaptionWindow() {
   line-height: 1.5em;
   padding: 0 10px 10px 10px;
 }
+
+.left-ellipsis {
+  white-space: nowrap;
+  overflow: hidden;
+  direction: rtl;
+  text-align: left;
+}
+
+.left-ellipsis > span {
+  direction: ltr;
+  display: inline-block;
+}
 </style>
diff --git a/src/renderer/src/views/ControlPage.vue b/src/renderer/src/views/ControlPage.vue
index 698eb87..fb99113 100644
--- a/src/renderer/src/views/ControlPage.vue
+++ b/src/renderer/src/views/ControlPage.vue
@@ -39,7 +39,7 @@ const { leftBarWidth, antdTheme } = storeToRefs(generalSettingStore)
 
 .caption-control {
   height: 100vh;
-  border-right: 1px solid #7774;
+  border-right: 1px solid var(--tag-color);
   padding: 20px;
   overflow-y: auto;
 }