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@@ -4,10 +4,16 @@ WORKDIR /app
 
 # 安装FFmpeg
 RUN apt-get update && \
-    apt-get install -y ffmpeg fonts-liberation && \
+    apt-get install -y ffmpeg \
+    fonts-noto-cjk \
+    fonts-noto-color-emoji \
+    fontconfig && \
     apt-get clean && \
     rm -rf /var/lib/apt/lists/*
 
+# 刷新字体缓存
+RUN fc-cache -fv
+
 # 安装Python依赖
 COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt

app.py

@@ -317,6 +317,7 @@ def create_video(project_dir, image_paths, caption_subtitle_file, speech_subtitl
         combined_filter = (
             f"subtitles={process_sub_path(caption_subtitle_file)}:"
             "force_style='"
+            "FontName=Noto Sans CJK SC,"
             "Fontsize={},"
             "Alignment=2,"
             "MarginV={},"
@@ -326,6 +327,7 @@ def create_video(project_dir, image_paths, caption_subtitle_file, speech_subtitl
             ),
             f"subtitles={process_sub_path(speech_subtitle_file)}:"
             "force_style='"
+            "FontName=Noto Sans CJK SC,"
             "Fontsize={},"
             "Alignment=8,"
             "MarginV={},"