diff --git a/hetu-datacenter/src/main/java/io/hetu/core/plugin/datacenter/DataCenterConfig.java b/hetu-datacenter/src/main/java/io/hetu/core/plugin/datacenter/DataCenterConfig.java
index 175271ecf..2930527ff 100644
--- a/hetu-datacenter/src/main/java/io/hetu/core/plugin/datacenter/DataCenterConfig.java
+++ b/hetu-datacenter/src/main/java/io/hetu/core/plugin/datacenter/DataCenterConfig.java
@@ -117,12 +117,26 @@ public class DataCenterConfig
 
     private int maxIdleConnections = DEFAULT_MAX_IDLE_CONNECTIONS;
 
+    private String updateThreshold = "1m";
+
     @NotNull
     public URI getConnectionUrl()
     {
         return connectionUrl;
     }
 
+    public String getUpdateThreshold()
+    {
+        return updateThreshold;
+    }
+
+    @Config("hetu.dc.catalog.update.threshold")
+    public DataCenterConfig setUpdateThreshold(String updateThreshold)
+    {
+        this.updateThreshold = updateThreshold;
+        return this;
+    }
+
     /**
      * Set connection url, it is remote data center url.
      *