diff --git a/src/config/i18n.js b/src/config/i18n.js
index 334a23f..3601899 100644
--- a/src/config/i18n.js
+++ b/src/config/i18n.js
@@ -1864,6 +1864,16 @@ export const I18N = {
     en: `Style Code`,
     zh_TW: `樣式程式碼`,
   },
+  pre_trans_seconds: {
+    zh: `提前翻译时长 (10-36000s)`,
+    en: `Pre translation seconds (10-36000s)`,
+    zh_TW: `提前翻译时长 (10-36000s)`,
+  },
+  throttle_trans_interval: {
+    zh: `节流翻译间隔 (1-3600s)`,
+    en: `Throttling translation interval (1-3600s)`,
+    zh_TW: `节流翻译间隔 (1-3600s)`,
+  },
 };
 
 export const newI18n = (lang) => (key) => I18N[key]?.[lang] || "";
diff --git a/src/config/setting.js b/src/config/setting.js
index 682a7ef..9c26b43 100644
--- a/src/config/setting.js
+++ b/src/config/setting.js
@@ -112,6 +112,8 @@ export const DEFAULT_SUBTITLE_SETTING = {
   apiSlug: OPT_TRANS_MICROSOFT,
   segSlug: "-", // AI智能断句
   chunkLength: 1000, // AI处理切割长度
+  preTrans: 90, // 提前翻译时长
+  throttleTrans: 30, // 节流翻译间隔
   // fromLang: "en",
   toLang: "zh-CN",
   isBilingual: true, // 是否双语显示
diff --git a/src/subtitle/BilingualSubtitleManager.js b/src/subtitle/BilingualSubtitleManager.js
index a89ff24..2f9eb04 100644
--- a/src/subtitle/BilingualSubtitleManager.js
+++ b/src/subtitle/BilingualSubtitleManager.js
@@ -12,8 +12,8 @@ export class BilingualSubtitleManager {
   #captionWindowEl = null;
   #paperEl = null;
   #currentSubtitleIndex = -1;
-  #preTranslateSeconds = 90;
-  #throttleSeconds = 30;
+  // #preTranslateSeconds = 90;
+  // #throttleSeconds = 30;
   #setting = {};
   #isAdPlaying = false;
   #throttledTriggerTranslations;
@@ -34,7 +34,7 @@ export class BilingualSubtitleManager {
 
     this.#throttledTriggerTranslations = throttle(
       this.#triggerTranslations.bind(this),
-      this.#throttleSeconds * 1000
+      (setting.throttleTrans ?? 30) * 1000
     );
   }
 
@@ -294,7 +294,8 @@ export class BilingualSubtitleManager {
    * @param {number} currentTimeMs
    */
   #triggerTranslations(currentTimeMs) {
-    const lookAheadMs = this.#preTranslateSeconds * 1000;
+    const { preTrans = 90 } = this.#setting;
+    const lookAheadMs = preTrans * 1000;
 
     for (const sub of this.#formattedSubtitles) {
       const isCurrent = sub.start <= currentTimeMs && sub.end >= currentTimeMs;
diff --git a/src/views/Options/Subtitle.js b/src/views/Options/Subtitle.js
index bcf00b6..bbb33fa 100644
--- a/src/views/Options/Subtitle.js
+++ b/src/views/Options/Subtitle.js
@@ -30,6 +30,8 @@ export default function SubtitleSetting() {
     apiSlug,
     segSlug,
     chunkLength,
+    preTrans = 90,
+    throttleTrans = 30,
     toLang,
     isBilingual,
     skipAd = false,
@@ -114,6 +116,32 @@ export default function SubtitleSetting() {
                 max={20000}
               />
             </Grid>
+            <Grid item xs={12} sm={12} md={6} lg={3}>
+              <ValidationInput
+                fullWidth
+                size="small"
+                label={i18n("pre_trans_seconds")}
+                type="number"
+                name="preTrans"
+                value={preTrans}
+                onChange={handleChange}
+                min={10}
+                max={36000}
+              />
+            </Grid>
+            <Grid item xs={12} sm={12} md={6} lg={3}>
+              <ValidationInput
+                fullWidth
+                size="small"
+                label={i18n("throttle_trans_interval")}
+                type="number"
+                name="throttleTrans"
+                value={throttleTrans}
+                onChange={handleChange}
+                min={1}
+                max={3600}
+              />
+            </Grid>
             <Grid item xs={12} sm={12} md={6} lg={3}>
               <TextField
                 fullWidth