diff --git a/services/review.go b/services/review.go
index b2c7cba..86c8815 100644
--- a/services/review.go
+++ b/services/review.go
@@ -134,7 +134,7 @@ func GenerateReview(db *sql.DB, repoPath, base, head string, topN, concurrency i
 			sem <- struct{}{}        // acquire slot
 			defer func() { <-sem }() // release slot
 
-			// Send file_start (order doesn't matter, frontend tracks by filename)
+			// Send file_start after acquiring semaphore — this means the file is actually being reviewed now
 			if safeCallback != nil {
 				safeCallback("file_start", map[string]interface{}{
 					"file":  f.Filename,
diff --git a/templates/pages/review.html b/templates/pages/review.html
index 977b76c..231447e 100644
--- a/templates/pages/review.html
+++ b/templates/pages/review.html
@@ -368,9 +368,6 @@
                 },
                 file_start(data) {
                     currentFile = data.file || '';
-                    completedFiles++;
-                    const pct = totalFiles > 0 ? Math.round((completedFiles / totalFiles) * 80 + 10) : 50;
-                    document.getElementById('progress-bar').style.width = pct + '%';
                     document.getElementById('progress-text').textContent = `正在审查: ${currentFile} (${completedFiles}/${totalFiles})`;
 
                     // Initialize file review entry
@@ -389,7 +386,10 @@
                     appendSuggestionCard(data);
                 },
                 file_end(data) {
-                    // File done
+                    completedFiles++;
+                    const pct = totalFiles > 0 ? Math.round((completedFiles / totalFiles) * 80 + 10) : 50;
+                    document.getElementById('progress-bar').style.width = pct + '%';
+                    document.getElementById('progress-text').textContent = `已完成 ${completedFiles}/${totalFiles} 个文件`;
                 },
                 file_summary(data) {
                     if (data.file && fileReviews[data.file]) {