diff --git a/Scrapy-Redis-Zhihu/scrapy_redis/utils.py b/Scrapy-Redis-Zhihu/scrapy_redis/utils.py
new file mode 100644
index 0000000..b1a4681
--- /dev/null
+++ b/Scrapy-Redis-Zhihu/scrapy_redis/utils.py
@@ -0,0 +1,8 @@
+import six
+
+
+def bytes_to_str(s, encoding='utf-8'):
+    """Returns a str if a bytes object is given."""
+    if six.PY3 and isinstance(s, bytes):
+        return s.decode(encoding)
+    return s