diff --git a/cmdb-api/settings.example.py b/cmdb-api/settings.example.py
index 49e58d4..d80531d 100644
--- a/cmdb-api/settings.example.py
+++ b/cmdb-api/settings.example.py
@@ -39,9 +39,9 @@ SQLALCHEMY_ENGINE_OPTIONS = {
 
 # # cache
 CACHE_TYPE = 'redis'
-CACHE_REDIS_HOST = '127.0.0.1'
-CACHE_REDIS_PORT = 6379
-CACHE_REDIS_PASSWORD = ''
+CACHE_REDIS_HOST = env.str('CACHE_REDIS_HOST', default='redis')
+CACHE_REDIS_PORT = env.str('CACHE_REDIS_PORT', default='6379')
+CACHE_REDIS_PASSWORD = env.str('CACHE_REDIS_PASSWORD', default='')
 CACHE_KEY_PREFIX = 'CMDB::'
 CACHE_DEFAULT_TIMEOUT = 3000