diff --git a/Scrapy-Redis-Zhihu/scrapy_redis/defaults.py b/Scrapy-Redis-Zhihu/scrapy_redis/defaults.py
new file mode 100644
index 0000000..408a383
--- /dev/null
+++ b/Scrapy-Redis-Zhihu/scrapy_redis/defaults.py
@@ -0,0 +1,25 @@
+import redis
+
+
+# For standalone use.
+DUPEFILTER_KEY = 'dupefilter:%(timestamp)s'
+
+PIPELINE_KEY = '%(spider)s:items'
+
+REDIS_CLS = redis.StrictRedis
+REDIS_ENCODING = 'utf-8'
+# Sane connection defaults.
+REDIS_PARAMS = {
+    'socket_timeout': 30,
+    'socket_connect_timeout': 30,
+    'retry_on_timeout': True,
+    'encoding': REDIS_ENCODING,
+}
+
+SCHEDULER_QUEUE_KEY = '%(spider)s:requests'
+SCHEDULER_QUEUE_CLASS = 'scrapy_redis.queue.PriorityQueue'
+SCHEDULER_DUPEFILTER_KEY = '%(spider)s:dupefilter'
+SCHEDULER_DUPEFILTER_CLASS = 'scrapy_redis.dupefilter.RFPDupeFilter'
+
+START_URLS_KEY = '%(name)s:start_urls'
+START_URLS_AS_SET = False