diff --git a/DEVELOPER.md b/DEVELOPER.md
index c798d0c7..32b667e7 100644
--- a/DEVELOPER.md
+++ b/DEVELOPER.md
@@ -1039,6 +1039,7 @@ The following are the update records for the SRS Stack server.
     * Refine local variable name conf to config. v5.12.1
     * Add forced exit on timeout for program termination. v5.12.1
     * Transcript: Support convert live speech to text by whisper. [v5.12.2](https://github.com/ossrs/srs-stack/releases/tag/v5.12.2)
+    * Transcript: Update base image for FFmpeg subtitles. v5.12.3
 * v5.11
     * VLive: Decrease the latency for virtual live. v5.11.1
     * Live: Refine multiple language. v5.11.2
diff --git a/focal/Dockerfile b/focal/Dockerfile
index 5dfd4630..0f2daa0b 100644
--- a/focal/Dockerfile
+++ b/focal/Dockerfile
@@ -20,6 +20,7 @@ RUN apt-get update -y && apt-get install -y upx
 
 COPY --from=lego /lego /usr/local/bin/
 COPY --from=build /usr/local/bin/ffmpeg /usr/local/bin/ffprobe /usr/local/bin/
+COPY --from=build /usr/local/share/fonts/ /usr/local/share/fonts/
 COPY --from=redis /usr/local/bin/redis-cli /usr/local/bin/redis-server /usr/local/bin/
 
 RUN echo "Before UPX for $TARGETARCH" && \