diff --git a/docker/docker-compose.dev.yml b/docker/docker-compose.dev.yml
index 14177fd..0d1d041 100644
--- a/docker/docker-compose.dev.yml
+++ b/docker/docker-compose.dev.yml
@@ -34,6 +34,9 @@ services:
       context: ./crawler
       dockerfile: Dockerfile
     restart: unless-stopped
+    # The test MySQL account is granted for 127.0.0.1; keep crawler and
+    # kb-worker on host networking so both use the same test database.
+    network_mode: host
     env_file:
       - ./.env.docker
     environment:
@@ -41,13 +44,13 @@ services:
       DQD_CONFIG_PATH: /app/config/settings.yaml
       DQD_TASKS_FILE: /app/config/crawler_tasks.yaml
       DQD_LOCK_DIR: /app/data/locks
+      DQD_DB_HOST: 127.0.0.1
+      DQD_REDIS_HOST: 127.0.0.1
     volumes:
       - ./crawler/logs:/app/logs
       - ./crawler/data:/app/data
     extra_hosts:
       - "host.docker.internal:host-gateway"
-    networks:
-      - sport-era-dev
 
   nginx:
     image: registry.cn-guangzhou.aliyuncs.com/likeadmin/nginx:1.23.1