diff --git a/engine/audio2text/sosv.py b/engine/audio2text/sosv.py
index 28e38e3..666b0b1 100644
--- a/engine/audio2text/sosv.py
+++ b/engine/audio2text/sosv.py
@@ -63,7 +63,7 @@ class SosvRecognizer:
         vad_config.silero_vad.threshold = 0.5
         vad_config.silero_vad.min_silence_duration = 0.1
         vad_config.silero_vad.min_speech_duration = 0.25
-        vad_config.silero_vad.max_speech_duration = 8
+        vad_config.silero_vad.max_speech_duration = 5
         vad_config.sample_rate = 16000
         self.window_size = vad_config.silero_vad.window_size
         self.vad = sherpa_onnx.VoiceActivityDetector(vad_config, buffer_size_in_seconds=100)
diff --git a/engine/main.py b/engine/main.py
index a99ca44..fba4845 100644
--- a/engine/main.py
+++ b/engine/main.py
@@ -17,8 +17,11 @@ def audio_recording(stream: AudioStream, resample: bool, record = False, path =
     wf = None
     full_name = ''
     if record:
-        if path != '' and path[-1] != '/':
-            path += '/'
+        if path != '':
+            if path.startswith('"') and path.endswith('"'):
+                path = path[1:-1]
+            if path[-1] != '/':
+                path += '/'
         cur_dt = datetime.datetime.now()
         name = cur_dt.strftime("audio-%Y-%m-%dT%H-%M-%S")
         full_name = f'{path}{name}.wav'
diff --git a/src/main/types/index.ts b/src/main/types/index.ts
index d80f142..4fe5db2 100644
--- a/src/main/types/index.ts
+++ b/src/main/types/index.ts
@@ -23,6 +23,7 @@ export interface Controls {
 }
 
 export interface Styles {
+  lineNumber: number,
   lineBreak: number,
   fontFamily: string,
   fontSize: number,
diff --git a/src/main/utils/AllConfig.ts b/src/main/utils/AllConfig.ts
index 9e6109a..5a7ea8c 100644
--- a/src/main/utils/AllConfig.ts
+++ b/src/main/utils/AllConfig.ts
@@ -19,6 +19,7 @@ function getDesktopPath() {
 }
 
 const defaultStyles: Styles = {
+  lineNumber: 1,
   lineBreak: 1,
   fontFamily: 'sans-serif',
   fontSize: 24,
diff --git a/src/main/utils/CaptionEngine.ts b/src/main/utils/CaptionEngine.ts
index 1b876ff..c87e383 100644
--- a/src/main/utils/CaptionEngine.ts
+++ b/src/main/utils/CaptionEngine.ts
@@ -66,7 +66,7 @@ export class CaptionEngine {
       this.command.push('-a', allConfig.controls.audio ? '1' : '0')
       if(allConfig.controls.recording) {
         this.command.push('-r', '1')
-        this.command.push('-rp', allConfig.controls.recordingPath)
+        this.command.push('-rp', `"${allConfig.controls.recordingPath}"`)
       }
       this.port = Math.floor(Math.random() * (65535 - 1024 + 1)) + 1024
       this.command.push('-p', this.port.toString())
diff --git a/src/renderer/src/components/CaptionStyle.vue b/src/renderer/src/components/CaptionStyle.vue
index c3498c7..4a2211d 100644
--- a/src/renderer/src/components/CaptionStyle.vue
+++ b/src/renderer/src/components/CaptionStyle.vue
@@ -6,6 +6,16 @@
       <a @click="resetStyle">{{ $t('style.resetStyle') }}</a>
     </template>
 
+      <div class="input-item">
+        <span class="input-label">{{ '字幕行数' }}</span>
+        <a-radio-group v-model:value="currentLineNumber">
+          <a-radio-button :value="1">1</a-radio-button>
+          <a-radio-button :value="2">2</a-radio-button>
+          <a-radio-button :value="3">3</a-radio-button>
+          <a-radio-button :value="4">4</a-radio-button>
+        </a-radio-group>
+      </div>
+
     <div class="input-item">
       <span class="input-label">{{ $t('style.longCaption') }}</span>
       <a-select
@@ -178,28 +188,57 @@
         textShadow: currentTextShadow ? `${currentOffsetX}px ${currentOffsetY}px ${currentBlur}px ${currentTextShadowColor}` : 'none'
       }"
     >
-      <p :class="[currentLineBreak?'':'left-ellipsis']"
-        :style="{
-          fontFamily: currentFontFamily,
-          fontSize: currentFontSize + 'px',
-          color: currentFontColor,
-          fontWeight: currentFontWeight * 100
-      }">
-        <span v-if="captionData.length">{{ captionData[captionData.length-1].text }}</span>
-        <span v-else>{{ $t('example.original') }}</span>
-      </p>
-      <p :class="[currentLineBreak?'':'left-ellipsis']"
-        v-if="currentTransDisplay"
-        :style="{
-          fontFamily: currentTransFontFamily,
-          fontSize: currentTransFontSize + 'px',
-          color: currentTransFontColor,
-          fontWeight: currentTransFontWeight * 100
-        }"
-      >
-        <span v-if="captionData.length">{{ captionData[captionData.length-1].translation }}</span>
-        <span v-else>{{ $t('example.translation') }}</span>
-      </p>
+      <template v-if="captionData.length">
+        <template
+          v-for="val in revArr[Math.min(currentLineNumber, captionData.length)]"
+          :key="captionData[captionData.length - val].time_s"
+        >
+          <p :class="[currentLineBreak?'':'left-ellipsis']"
+            :style="{
+              fontFamily: currentFontFamily,
+              fontSize: currentFontSize + 'px',
+              color: currentFontColor,
+              fontWeight: currentFontWeight * 100
+          }">
+            <span>{{ captionData[captionData.length - val].text }}</span>
+          </p>
+          <p :class="[currentLineBreak?'':'left-ellipsis']"
+            v-if="currentTransDisplay && captionData[captionData.length - val].translation"
+            :style="{
+              fontFamily: currentTransFontFamily,
+              fontSize: currentTransFontSize + 'px',
+              color: currentTransFontColor,
+              fontWeight: currentTransFontWeight * 100
+            }"
+          >
+            <span>{{ captionData[captionData.length - val].translation }}</span>
+          </p>
+        </template>
+      </template>
+      <template v-else>
+        <template v-for="val in currentLineNumber" :key="val">
+          <p :class="[currentLineBreak?'':'left-ellipsis']"
+            :style="{
+              fontFamily: currentFontFamily,
+              fontSize: currentFontSize + 'px',
+              color: currentFontColor,
+              fontWeight: currentFontWeight * 100
+          }">
+            <span>{{ $t('example.original') }}</span>
+          </p>
+          <p :class="[currentLineBreak?'':'left-ellipsis']"
+            v-if="currentTransDisplay"
+            :style="{
+              fontFamily: currentTransFontFamily,
+              fontSize: currentTransFontSize + 'px',
+              color: currentTransFontColor,
+              fontWeight: currentTransFontWeight * 100
+            }"
+          >
+            <span>{{ $t('example.translation') }}</span>
+          </p>
+        </template>
+      </template>
     </div>
   </Teleport>
 
@@ -212,6 +251,14 @@ import { storeToRefs } from 'pinia'
 import { notification } from 'ant-design-vue'
 import { useI18n } from 'vue-i18n'
 import { useCaptionLogStore } from '@renderer/stores/captionLog';
+
+const revArr = {
+  1: [1],
+  2: [2, 1],
+  3: [3, 2, 1],
+  4: [4, 3, 2, 1],
+}
+
 const captionLog = useCaptionLogStore();
 const { captionData } = storeToRefs(captionLog);
 
@@ -220,6 +267,7 @@ const { t } = useI18n()
 const captionStyle = useCaptionStyleStore()
 const { changeSignal } = storeToRefs(captionStyle)
 
+const currentLineNumber = ref<number>(1)
 const currentLineBreak = ref<number>(0)
 const currentFontFamily = ref<string>('sans-serif')
 const currentFontSize = ref<number>(24)
@@ -253,6 +301,7 @@ function useSameStyle(){
 }
 
 function applyStyle(){
+  captionStyle.lineNumber = currentLineNumber.value;
   captionStyle.lineBreak = currentLineBreak.value;
   captionStyle.fontFamily = currentFontFamily.value;
   captionStyle.fontSize = currentFontSize.value;
@@ -282,6 +331,7 @@ function applyStyle(){
 }
 
 function backStyle(){
+  currentLineNumber.value = captionStyle.lineNumber;
   currentLineBreak.value = captionStyle.lineBreak;
   currentFontFamily.value = captionStyle.fontFamily;
   currentFontSize.value = captionStyle.fontSize;
diff --git a/src/renderer/src/stores/captionStyle.ts b/src/renderer/src/stores/captionStyle.ts
index ece760c..5cc3959 100644
--- a/src/renderer/src/stores/captionStyle.ts
+++ b/src/renderer/src/stores/captionStyle.ts
@@ -4,6 +4,7 @@ import { Styles } from '@renderer/types'
 import { breakOptions } from '@renderer/i18n'
 
 export const useCaptionStyleStore = defineStore('captionStyle', () => {
+  const lineNumber = ref<number>(1)
   const lineBreak = ref<number>(1)
   const fontFamily = ref<string>('sans-serif')
   const fontSize = ref<number>(24)
@@ -38,6 +39,7 @@ export const useCaptionStyleStore = defineStore('captionStyle', () => {
 
   function sendStylesChange() {
     const styles: Styles = {
+      lineNumber: lineNumber.value,
       lineBreak: lineBreak.value,
       fontFamily: fontFamily.value,
       fontSize: fontSize.value,
@@ -65,6 +67,7 @@ export const useCaptionStyleStore = defineStore('captionStyle', () => {
   }
 
   function setStyles(args: Styles){
+    lineNumber.value = args.lineNumber
     lineBreak.value = args.lineBreak
     fontFamily.value = args.fontFamily
     fontSize.value = args.fontSize
@@ -91,6 +94,7 @@ export const useCaptionStyleStore = defineStore('captionStyle', () => {
   })
 
   return {
+    lineNumber,         // 显示字幕行数 
     lineBreak,          // 换行方式
     fontFamily,         // 字体族
     fontSize,           // 字体大小
diff --git a/src/renderer/src/types/index.ts b/src/renderer/src/types/index.ts
index d80f142..4fe5db2 100644
--- a/src/renderer/src/types/index.ts
+++ b/src/renderer/src/types/index.ts
@@ -23,6 +23,7 @@ export interface Controls {
 }
 
 export interface Styles {
+  lineNumber: number,
   lineBreak: number,
   fontFamily: string,
   fontSize: number,
diff --git a/src/renderer/src/views/CaptionPage.vue b/src/renderer/src/views/CaptionPage.vue
index 69da4ae..b2b3b66 100644
--- a/src/renderer/src/views/CaptionPage.vue
+++ b/src/renderer/src/views/CaptionPage.vue
@@ -12,26 +12,53 @@
         textShadow: captionStyle.textShadow ? `${captionStyle.offsetX}px ${captionStyle.offsetY}px ${captionStyle.blur}px ${captionStyle.textShadowColor}` : 'none'
       }"
     >
-      <p :class="[captionStyle.lineBreak?'':'left-ellipsis']" :style="{
-        fontFamily: captionStyle.fontFamily,
-        fontSize: captionStyle.fontSize + 'px',
-        color: captionStyle.fontColor,
-        fontWeight: captionStyle.fontWeight * 100
-      }">
-        <span v-if="captionData.length">{{ captionData[captionData.length-1].text }}</span>
-        <span v-else>{{ $t('example.original') }}</span>
-      </p>
-      <p :class="[captionStyle.lineBreak?'':'left-ellipsis']"
-        v-if="captionStyle.transDisplay"
-        :style="{
-        fontFamily: captionStyle.transFontFamily,
-        fontSize: captionStyle.transFontSize + 'px',
-        color: captionStyle.transFontColor,
-        fontWeight: captionStyle.transFontWeight * 100
-      }">
-        <span v-if="captionData.length">{{ captionData[captionData.length-1].translation }}</span>
-        <span v-else>{{ $t('example.translation') }}</span>
-      </p>
+      <template v-if="captionData.length">
+        <template
+          v-for="val in revArr[Math.min(captionStyle.lineNumber, captionData.length)]"
+          :key="captionData[captionData.length - val].time_s"
+        >
+          <p :class="[captionStyle.lineBreak?'':'left-ellipsis']" :style="{
+            fontFamily: captionStyle.fontFamily,
+            fontSize: captionStyle.fontSize + 'px',
+            color: captionStyle.fontColor,
+            fontWeight: captionStyle.fontWeight * 100
+          }">
+            <span>{{ captionData[captionData.length - val].text }}</span>
+          </p>
+          <p :class="[captionStyle.lineBreak?'':'left-ellipsis']"
+            v-if="captionStyle.transDisplay && captionData[captionData.length - val].translation"
+            :style="{
+            fontFamily: captionStyle.transFontFamily,
+            fontSize: captionStyle.transFontSize + 'px',
+            color: captionStyle.transFontColor,
+            fontWeight: captionStyle.transFontWeight * 100
+          }">
+            <span>{{ captionData[captionData.length - val].translation }}</span>
+          </p>
+        </template>
+      </template>
+      <template v-else>
+        <template v-for="val in captionStyle.lineNumber" :key="val">
+          <p :class="[captionStyle.lineBreak?'':'left-ellipsis']" :style="{
+            fontFamily: captionStyle.fontFamily,
+            fontSize: captionStyle.fontSize + 'px',
+            color: captionStyle.fontColor,
+            fontWeight: captionStyle.fontWeight * 100
+          }">
+            <span>{{ $t('example.original') }}</span>
+          </p>
+          <p :class="[captionStyle.lineBreak?'':'left-ellipsis']"
+            v-if="captionStyle.transDisplay"
+            :style="{
+            fontFamily: captionStyle.transFontFamily,
+            fontSize: captionStyle.transFontSize + 'px',
+            color: captionStyle.transFontColor,
+            fontWeight: captionStyle.transFontWeight * 100
+          }">
+            <span>{{ $t('example.translation') }}</span>
+          </p>
+        </template>
+      </template>
     </div>
 
     <div class="title-bar" :style="{color: captionStyle.fontColor}">
@@ -56,6 +83,14 @@ import { ref, onMounted } from 'vue';
 import { useCaptionStyleStore } from '@renderer/stores/captionStyle';
 import { useCaptionLogStore } from '@renderer/stores/captionLog';
 import { storeToRefs } from 'pinia';
+
+const revArr = {
+  1: [1],
+  2: [2, 1],
+  3: [3, 2, 1],
+  4: [4, 3, 2, 1],
+}
+
 const captionStyle = useCaptionStyleStore();
 const captionLog = useCaptionLogStore();
 const { captionData } = storeToRefs(captionLog);