[BUG] Cannot convert Chinese when EPUB to PDF

[Hanzo-Huang]

Is there an existing issue for this?

• [X] I have searched the existing issues

Current Behavior

ebook-convert book.epub book.pdf

Expected Behavior

No response

Steps To Reproduce

Chinese books convert to PDF from EPUB. CLI convert.

Environment

- OS:Ubuntu 22.04
- How docker service was installed: 1panel

CPU architecture

x86-64

Docker creation

networks:
    1panel-network:
        external: true
services:
    calibre-web:
        container_name: ${CONTAINER_NAME}
        deploy:
            resources:
                limits:
                    cpus: ${CPUS}
                    memory: ${MEMORY_LIMIT}
        environment:
            - PUID=1000
            - PGID=1000
            - TZ=${TIME_ZONE}
            - DOCKER_MODS=linuxserver/mods:universal-calibre
            - OAUTHLIB_RELAX_TOKEN_SCOPE=1
        image: linuxserver/calibre-web:0.6.21-ls241
        labels:
            createdBy: Apps
        networks:
            - 1panel-network
        ports:
            - ${HOST_IP}:${PANEL_APP_PORT_HTTP}:8083
        restart: always
        volumes:
            - ./data/config:/config
            - ./data/books:/books

Container logs

No error log.