diff --git a/server.js b/server.js
index 12bb6ba..a8ad4f2 100644
--- a/server.js
+++ b/server.js
@@ -997,8 +997,20 @@ const startHlsTranscode = async (bucket, key, seg, requestedEncoder, requestedDe
     ffmpegCommand.outputOptions(hlsOptions).output(m3u8Path);
     ffmpegCommand.on('error', (err) => {
         console.error(`[HLS] FFmpeg Error for ${progressKey}:`, err.message);
+        const broadcastRoomId = `${baseProgressKey}${subtitleSuffix}`;
+        const broadcastKey = subtitleIndex && subtitleIndex !== '-1' ? `${key}-sub${subtitleIndex}` : key;
+        const failedState = {
+            status: 'failed',
+            percent: 0,
+            details: `FFmpeg Error: ${err.message}`,
+            mp4Url: null
+        };
+        progressMap[broadcastRoomId] = failedState;
+        broadcastWs(broadcastRoomId, { type: 'progress', key: broadcastKey, progress: failedState });
+        hlsProcesses.delete(progressKey);
     });
 
+
     ffmpegCommand.on('progress', (progress) => {
         const timemarkSeconds = parseTimemarkToSeconds(progress.timemark || '0');
         const absoluteSeconds = startTime + (isFinite(timemarkSeconds) ? timemarkSeconds : 0);
@@ -1024,10 +1036,13 @@ const startHlsTranscode = async (bucket, key, seg, requestedEncoder, requestedDe
         };
         const broadcastRoomId = `${baseProgressKey}${subtitleSuffix}`;
         const broadcastKey = subtitleIndex && subtitleIndex !== '-1' ? `${key}-sub${subtitleIndex}` : key;
+        
+        progressMap[broadcastRoomId] = progressState;
         broadcastWs(broadcastRoomId, { type: 'progress', key: broadcastKey, progress: progressState });
 
 
 
+
         if (!isPersistent) {
             console.log(`[FFmpeg] ${progressKey} | ${progress.timemark} | ${sanitizeNumber(progress.currentFps) ?? '-'}fps | ${sanitizeNumber(progress.currentKbps) ?? '-'}kbps | ${percent}%`);
         }
@@ -1037,14 +1052,18 @@ const startHlsTranscode = async (bucket, key, seg, requestedEncoder, requestedDe
         console.log(`[FFmpeg] ${progressKey} HLS transcode completed.`);
         const broadcastRoomId = `${baseProgressKey}${subtitleSuffix}`;
         const broadcastKey = subtitleIndex && subtitleIndex !== '-1' ? `${key}-sub${subtitleIndex}` : key;
+        
+        const finishedState = { 
+            status: 'finished', 
+            percent: 100, 
+            details: isPersistent ? '预切片完成' : '处理完成' 
+        };
+        progressMap[broadcastRoomId] = finishedState;
+        
         broadcastWs(broadcastRoomId, { 
             type: 'progress', 
             key: broadcastKey, 
-            progress: { 
-                status: 'finished', 
-                percent: 100, 
-                details: isPersistent ? '预切片完成' : '处理完成' 
-            } 
+            progress: finishedState
         });
         hlsProcesses.delete(progressKey);
     });