Redmine

docker image:redmine 5.0.6 3a089d3c65bc 4 weeks ago 665MB

Detailed deployment information：
version: '3'
services:
redmine:
image: redmine:5.0.6
restart: always
ports:
- "80:3000"
volumes:
- /opt/redmine/data:/usr/src/redmine/files
environment:
- REDMINE_DB_MYSQL=db
- REDMINE_DB_PASSWORD=password
- REDMINE_SECRET_KEY_BASE=supersecretkey

db:
    image: mysql:5.7
    restart: always
    environment:
      - MYSQL_ROOT_PASSWORD=password
      - MYSQL_DATABASE=redmine
    volumes:
    - /opt/redmine/db:/var/lib/mysql

Who can tell me why I cannot input any Chinese on the deployed page?