diff --git a/framework/NPin.Framework.Caching.FreeRedis/NPinDistributedCacheKeyNormalizer.cs b/framework/NPin.Framework.Caching.FreeRedis/NPinDistributedCacheKeyNormalizer.cs
new file mode 100644
index 0000000..dece29f
--- /dev/null
+++ b/framework/NPin.Framework.Caching.FreeRedis/NPinDistributedCacheKeyNormalizer.cs
@@ -0,0 +1,6 @@
+namespace NPin.Framework.Caching.FreeRedis;
+
+public class NPinDistributedCacheKeyNormalizer
+{
+    
+}
\ No newline at end of file