diff --git a/docker-compose.dev.yml b/docker-compose.dev.yml
index d8c7d61..15f0228 100644
--- a/docker-compose.dev.yml
+++ b/docker-compose.dev.yml
@@ -83,6 +83,8 @@ services:
       DB_NAME: flower
       DB_USER: postgres
       DB_PASSWORD: postgres
+      CACHE_HOST: redis
+      CACHE_PORT: "6379"
     depends_on:
       - pgbouncer
       - redis
diff --git a/docker-compose.prod.yml b/docker-compose.prod.yml
index 22d38e5..9f5a8b7 100644
--- a/docker-compose.prod.yml
+++ b/docker-compose.prod.yml
@@ -70,6 +70,8 @@ services:
       DB_PASSWORD: "${DB_PASSWORD:-postgres}"
       CELERY_BROKER_URL: "${CELERY_BROKER_URL:-amqp://guest:guest@rabbitmq:5672//}"
       CELERY_RESULT_BACKEND: "${CELERY_RESULT_BACKEND:-redis://redis:6379/0}"
+      CACHE_HOST: ${CACHE_HOST:-redis}
+      CACHE_PORT: "${CACHE_PORT:-6379}"
     depends_on:
       - pgbouncer
       - redis
diff --git a/flower/settings.py b/flower/settings.py
index 5d39da4..8704ff5 100644
--- a/flower/settings.py
+++ b/flower/settings.py
@@ -204,7 +204,8 @@ DATABASES = {
 # Cache configuration
 # https://docs.djangoproject.com/en/5.2/topics/cache/
 # Django 5.x 内置 Redis 缓存后端，使用 redis 包（已安装）
-# 容器内默认使用 redis://redis:6379/0，本地开发可使用 redis://localhost:6379/0
+# Redis 连接配置：优先使用 CACHE_URL，否则从 CACHE_HOST/CACHE_PORT/CACHE_DB 构建
+# 默认 localhost:6379（适合宿主机运行），Docker Compose 可通过环境变量指定 CACHE_HOST=redis
 
 # 检测是否在测试环境中
 import sys
@@ -220,13 +221,18 @@ if TESTING:
     }
 else:
     # 生产/开发环境使用 Redis
+    # 优先使用 CACHE_URL（完整 URL），否则从 host/port/db 构建
+    cache_url = env('CACHE_URL', default=None)
+    if cache_url is None:
+        cache_host = env('CACHE_HOST', default='localhost')
+        cache_port = env.int('CACHE_PORT', default=6379)
+        cache_db = env.int('CACHE_DB', default=0)
+        cache_url = f'redis://{cache_host}:{cache_port}/{cache_db}'
+    
     CACHES = {
         'default': {
             'BACKEND': 'django.core.cache.backends.redis.RedisCache',
-            'LOCATION': env(
-                'CACHE_URL',
-                default='redis://redis:6379/0',  # 容器内默认地址
-            ),
+            'LOCATION': cache_url,
             'OPTIONS': {
                 # Redis 连接选项
                 'socket_connect_timeout': 5,  # 连接超时（秒）