比较完美了

youtube_sub.js

@@ -386,13 +386,17 @@ GM_addStyle(`
                         .map(event => ({
                             startTime: event.tStartMs / 1000,
                             endTime: (event.tStartMs + event.dDurationMs) / 1000,
-                            words: event.segs.map(seg => ({
-                                text: seg.utf8,
-                                startTime: seg.tOffsetMs ? (event.tStartMs + seg.tOffsetMs) / 1000 : event.tStartMs / 1000,
-                                endTime: (seg.tOffsetMs ? event.tStartMs + seg.tOffsetMs + (seg.dDurationMs || 0) : event.tStartMs + event.dDurationMs) / 1000
-                            }))
+                            // Filter out empty segments
+                            words: event.segs
+                                .filter(seg => seg.utf8 && seg.utf8.trim())
+                                .map(seg => ({
+                                    text: seg.utf8,
+                                    startTime: seg.tOffsetMs ? (event.tStartMs + seg.tOffsetMs) / 1000 : event.tStartMs / 1000,
+                                    endTime: (seg.tOffsetMs ? event.tStartMs + seg.tOffsetMs + (seg.dDurationMs || 0) : event.tStartMs + event.dDurationMs) / 1000
+                                }))
                         }))
-                        .filter(sub => sub.words.length);
+                        // Filter out subtitles with no words
+                        .filter(sub => sub.words && sub.words.length > 0);
 
                     debug.log(`Loaded ${subtitles.length} subtitles`);
                     return subtitles;
@@ -549,35 +553,40 @@ GM_addStyle(`
             this.container.classList.toggle('collapsed', this.isCollapsed);
         }
 
-        // Update displaySingleLanguage
+        // Update displaySingleLanguage method
         displaySingleLanguage(container, subtitles) {
             subtitles.forEach((sub, index) => {
-                const line = document.createElement('div');
-                line.className = 'subtitle-line';
-
-                sub.words.forEach((word, i) => {
-                    const wordSpan = document.createElement('span');
-                    wordSpan.className = 'subtitle-word';
-                    wordSpan.textContent = word.text.trim();
-                    wordSpan.dataset.start = word.startTime;
-                    wordSpan.dataset.end = word.endTime;
-                    line.appendChild(wordSpan);
-
-                    // Add space between words
-                    if (i < sub.words.length - 1) {
-                        line.appendChild(document.createTextNode(' '));
-                    }
-                });
-
-                const timestamp = document.createElement('span');
-                timestamp.className = 'timestamp';
-                timestamp.textContent = this.formatTime(sub.startTime);
-
-                line.appendChild(timestamp);
-                line.dataset.time = sub.startTime;
-                line.dataset.index = index;
+                // Only create lines with actual content
+                if (sub.words && sub.words.length > 0) {
+                    const line = document.createElement('div');
+                    line.className = 'subtitle-line';
+
+                    sub.words.forEach((word, i) => {
+                        if (word.text && word.text.trim()) {
+                            const wordSpan = document.createElement('span');
+                            wordSpan.className = 'subtitle-word';
+                            wordSpan.textContent = word.text.trim();
+                            wordSpan.dataset.start = word.startTime;
+                            wordSpan.dataset.end = word.endTime;
+                            line.appendChild(wordSpan);
+
+                            if (i < sub.words.length - 1) {
+                                line.appendChild(document.createTextNode(' '));
+                            }
+                        }
+                    });
 
-                container.appendChild(line);
+                    // Only add lines with content
+                    if (line.textContent.trim()) {
+                        const timestamp = document.createElement('span');
+                        timestamp.className = 'timestamp';
+                        timestamp.textContent = this.formatTime(sub.startTime);
+                        line.appendChild(timestamp);
+                        line.dataset.time = sub.startTime;
+                        line.dataset.index = index;
+                        container.appendChild(line);
+                    }
+                }
             });
         }