diff --git a/client/src/main/java/com/alibaba/nacos/client/address/ServerListProvider.java b/client/src/main/java/com/alibaba/nacos/client/address/ServerListProvider.java
index 0217b233b12..1e362926287 100644
--- a/client/src/main/java/com/alibaba/nacos/client/address/ServerListProvider.java
+++ b/client/src/main/java/com/alibaba/nacos/client/address/ServerListProvider.java
@@ -82,14 +82,6 @@ default String getContextPath() {
      */
     boolean match(final NacosClientProperties properties);
     
-    /**
-     * check the server list is fixed or not.
-     * @return true if the server list is fixed
-     */
-    default boolean isFixed() {
-        return false;
-    }
-    
     /**
      * Get address source.
      * @return address source
@@ -98,4 +90,12 @@ default String getAddressSource() {
         return "";
     }
     
+    /**
+     * check the server list is fixed or not.
+     * @return true if the server list is fixed
+     */
+    default boolean isFixed() {
+        return false;
+    }
+    
 }