diff --git a/sharding-core/src/main/java/io/shardingsphere/core/keygen/DefaultKeyGenerator.java b/sharding-core/src/main/java/io/shardingsphere/core/keygen/DefaultKeyGenerator.java
index 71f1b8009eca7be36ddfe7fc2b42f13df254a7ba..4090a5ca4341233e5a92d076ae5f21f9f6d5c72c 100644
--- a/sharding-core/src/main/java/io/shardingsphere/core/keygen/DefaultKeyGenerator.java
+++ b/sharding-core/src/main/java/io/shardingsphere/core/keygen/DefaultKeyGenerator.java
@@ -70,7 +70,7 @@ public final class DefaultKeyGenerator implements KeyGenerator {
     @Setter
     private static TimeService timeService = new TimeService();
     
-    private ShardingProperties props;
+    private ShardingProperties props = new ShardingProperties(new Properties());
     
     static {
         Calendar calendar = Calendar.getInstance();