Update app.py

app.py

@@ -72,21 +72,26 @@ def text_to_video(text, voice, rate, pitch, video_width, video_height, bg_color,
 
         # 使用 wand 生成视频片段
         with Drawing() as draw:
-            draw.font = font_path
-            draw.font_size = text_size
-            draw.fill_color = Color(text_color)
-            draw.text_alignment = 'center'
-            draw.text_interline_spacing = 10
-            with Image(width=video_width, height=video_height, background=Color(bg_color)) as img:
-                lines = page.split("\n")
-                for j, line in enumerate(lines):
-                    draw.text(int(video_width / 2), (j + 1) * (text_size + 10), line)
-                img.draw(draw)
-                img.format = 'png'
-                img_path = os.path.join(tempfile.gettempdir(), f"page_{i}.png")
-                img.save(filename=img_path)
-                text_clip = ImageClip(img_path).set_duration(audio_clip.duration).set_audio(audio_clip)
-                video_clips.append(text_clip)
+    draw.font = font_path
+    draw.font_size = text_size
+    draw.fill_color = Color(text_color)
+    draw.text_alignment = 'center'
+    draw.text_interline_spacing = 10
+    
+    with Image(width=video_width, height=video_height, background=Color(bg_color)) as img:
+        lines = page.split("\n")
+        for j, line in enumerate(lines):
+            draw.text(int(video_width / 2), (j + 1) * (text_size + 10), line)
+        
+        # Apply the drawing to the image
+        draw(img)
+        
+        img.format = 'png'
+        img_path = os.path.join(tempfile.gettempdir(), f"page_{i}.png")
+        img.save(filename=img_path)
+
+        text_clip = ImageClip(img_path).set_duration(audio_clip.duration).set_audio(audio_clip)
+        video_clips.append(text_clip)
 
     # 合并所有视频片段
     final_video = concatenate_videoclips(video_clips)