diff --git a/wu-lazy-cloud-heartbeat-client/src/main/java/org/framework/lazy/cloud/network/heartbeat/client/infrastructure/entity/LazyNettyServerPropertiesDO.java b/wu-lazy-cloud-heartbeat-client/src/main/java/org/framework/lazy/cloud/network/heartbeat/client/infrastructure/entity/LazyNettyServerPropertiesDO.java
index 49aa81a9..0004fd51 100644
--- a/wu-lazy-cloud-heartbeat-client/src/main/java/org/framework/lazy/cloud/network/heartbeat/client/infrastructure/entity/LazyNettyServerPropertiesDO.java
+++ b/wu-lazy-cloud-heartbeat-client/src/main/java/org/framework/lazy/cloud/network/heartbeat/client/infrastructure/entity/LazyNettyServerPropertiesDO.java
@@ -30,7 +30,7 @@ public class LazyNettyServerPropertiesDO {
      * 命名空间
      */
     @Schema(description ="命名空间",name ="namespace",example = "")
-    @LazyTableFieldUnique(name="namespace",comment="命名空间",columnType="varchar(25)",defaultValue = "DEFAULT")
+    @LazyTableFieldUnique(name="namespace",comment="命名空间",columnType="varchar(25)",notNull = true)
     private String namespace;
 
     /**