diff --git a/components/pages/work-flow/media-viewer.tsx b/components/pages/work-flow/media-viewer.tsx
index 6c7f6c9..3263086 100644
--- a/components/pages/work-flow/media-viewer.tsx
+++ b/components/pages/work-flow/media-viewer.tsx
@@ -1,8 +1,8 @@
 'use client';
 
-import React, { useRef, useEffect } from 'react';
+import React, { useRef, useEffect, useState } from 'react';
 import { motion, AnimatePresence } from 'framer-motion';
-import { Edit3, Play, Pause } from 'lucide-react';
+import { Edit3, Play, Pause, Volume2, VolumeX } from 'lucide-react';
 import { ProgressiveReveal, presets } from '@/components/ui/progressive-reveal';
 import { GlassIconButton } from '@/components/ui/glass-icon-button';
 
@@ -40,10 +40,45 @@ export function MediaViewer({
   final
 }: MediaViewerProps) {
   const mainVideoRef = useRef<HTMLVideoElement>(null);
+  const finalVideoRef = useRef<HTMLVideoElement>(null);
+  
+  // 音量控制状态
+  const [isMuted, setIsMuted] = useState(false);
+  const [volume, setVolume] = useState(0.8);
+
+  // 音量控制函数
+  const toggleMute = () => {
+    setIsMuted(!isMuted);
+    if (mainVideoRef.current) {
+      mainVideoRef.current.muted = !isMuted;
+    }
+    if (finalVideoRef.current) {
+      finalVideoRef.current.muted = !isMuted;
+    }
+  };
+
+  const handleVolumeChange = (newVolume: number) => {
+    setVolume(newVolume);
+    if (mainVideoRef.current) {
+      mainVideoRef.current.volume = newVolume;
+    }
+    if (finalVideoRef.current) {
+      finalVideoRef.current.volume = newVolume;
+    }
+  };
+
+  // 应用音量设置到视频元素
+  const applyVolumeSettings = (videoElement: HTMLVideoElement) => {
+    if (videoElement) {
+      videoElement.volume = volume;
+      videoElement.muted = isMuted;
+    }
+  };
 
   // 视频播放控制
   useEffect(() => {
     if (mainVideoRef.current) {
+      applyVolumeSettings(mainVideoRef.current);
       if (isVideoPlaying) {
         mainVideoRef.current.play().catch(error => {
           console.log('视频播放失败:', error);
@@ -57,6 +92,7 @@ export function MediaViewer({
   // 当切换视频时重置视频播放
   useEffect(() => {
     if (mainVideoRef.current) {
+      applyVolumeSettings(mainVideoRef.current);
       mainVideoRef.current.currentTime = 0;
       if (isVideoPlaying) {
         mainVideoRef.current.play().catch(error => {
@@ -66,6 +102,56 @@ export function MediaViewer({
     }
   }, [currentSketchIndex]);
 
+  // 音量设置变化时应用到所有视频
+  useEffect(() => {
+    if (mainVideoRef.current) {
+      applyVolumeSettings(mainVideoRef.current);
+    }
+    if (finalVideoRef.current) {
+      applyVolumeSettings(finalVideoRef.current);
+    }
+  }, [volume, isMuted]);
+
+  // 渲染音量控制组件
+  const renderVolumeControls = () => (
+    <div className="flex items-center gap-2">
+      {/* 静音按钮 */}
+      <GlassIconButton
+        icon={isMuted ? VolumeX : Volume2}
+        tooltip={isMuted ? "取消静音" : "静音"}
+        onClick={toggleMute}
+        size="sm"
+      />
+      
+      {/* 音量滑块 - 一直显示 */}
+      <div className="flex items-center gap-2">
+        <div className="relative">
+          <input
+            type="range"
+            min="0"
+            max="1"
+            step="0.1"
+            value={volume}
+            onChange={(e) => handleVolumeChange(parseFloat(e.target.value))}
+            className="w-16 h-1 bg-white/20 rounded-lg appearance-none cursor-pointer
+              [&::-webkit-slider-thumb]:appearance-none [&::-webkit-slider-thumb]:w-3 [&::-webkit-slider-thumb]:h-3 
+              [&::-webkit-slider-thumb]:rounded-full [&::-webkit-slider-thumb]:bg-white
+              [&::-webkit-slider-thumb]:cursor-pointer [&::-webkit-slider-thumb]:shadow-lg
+              [&::-moz-range-thumb]:w-3 [&::-moz-range-thumb]:h-3 [&::-moz-range-thumb]:rounded-full 
+              [&::-moz-range-thumb]:bg-white [&::-moz-range-thumb]:cursor-pointer 
+              [&::-moz-range-thumb]:border-none [&::-moz-range-thumb]:shadow-lg"
+            style={{
+              background: `linear-gradient(to right, white 0%, white ${volume * 100}%, rgba(255,255,255,0.2) ${volume * 100}%, rgba(255,255,255,0.2) 100%)`
+            }}
+          />
+        </div>
+        <span className="text-xs text-white/70 w-8 text-center">
+          {Math.round(volume * 100)}%
+        </span>
+      </div>
+    </div>
+  );
+
   // 渲染最终成片
   const renderFinalVideo = () => {
     // 使用真实的final数据，如果没有则使用默认值
@@ -108,12 +194,14 @@ export function MediaViewer({
             className="relative z-10"
           >
             <video
+              ref={finalVideoRef}
               className="w-full h-full object-cover rounded-lg"
               src={finalVideo.url}
               poster={taskSketch[currentSketchIndex]?.url}
               autoPlay
               loop
               playsInline
+              onLoadedData={() => applyVolumeSettings(finalVideoRef.current!)}
             />
           </motion.div>
 
@@ -162,6 +250,16 @@ export function MediaViewer({
             </div>
           </motion.div>
 
+          {/* 底部音量控制 */}
+          <motion.div
+            className="absolute bottom-4 left-4 z-10 flex items-center gap-3"
+            initial={{ opacity: 0, scale: 0.8 }}
+            animate={{ opacity: 1, scale: 1 }}
+            transition={{ delay: 1, duration: 0.6 }}
+          >
+            {renderVolumeControls()}
+          </motion.div>
+
           {/* 完成标记 */}
           <motion.div
             className="absolute top-4 right-4 px-3 py-1.5 rounded-full bg-emerald-500/20 backdrop-blur-sm
@@ -253,6 +351,7 @@ export function MediaViewer({
                     autoPlay={isVideoPlaying}
                     loop={true}
                     playsInline
+                    onLoadedData={() => applyVolumeSettings(mainVideoRef.current!)}
                     onEnded={() => {
                       if (isVideoPlaying) {
                         // 自动切换到下一个视频的逻辑在父组件处理
@@ -292,6 +391,7 @@ export function MediaViewer({
               autoPlay={isVideoPlaying}
               loop={true}
               playsInline
+              onLoadedData={() => applyVolumeSettings(mainVideoRef.current!)}
               onEnded={() => {
                 if (isVideoPlaying) {
                   // 自动切换到下一个视频的逻辑在父组件处理
@@ -320,15 +420,16 @@ export function MediaViewer({
           )}
         </AnimatePresence>
 
-        {/* 底部播放按钮 */}
+        {/* 底部控制区域 */}
         <AnimatePresence>
           <motion.div
-            className="absolute bottom-4 left-4 z-[11]"
+            className="absolute bottom-4 left-4 z-[11] flex items-center gap-3"
             initial={{ opacity: 0, scale: 0.8 }}
             animate={{ opacity: 1, scale: 1 }}
             exit={{ opacity: 0, scale: 0.8 }}
             transition={{ duration: 0.2 }}
           >
+            {/* 播放按钮 */}
             <motion.div
               whileHover={{ scale: 1.1 }}
               whileTap={{ scale: 0.9 }}
@@ -356,6 +457,9 @@ export function MediaViewer({
                 size="sm"
               />
             </motion.div>
+            
+            {/* 音量控制 */}
+            {renderVolumeControls()}
           </motion.div>
         </AnimatePresence>
       </div>