diff --git a/dubbo-registry/dubbo-registry-nacos/src/main/java/com/alibaba/dubbo/registry/nacos/NacosRegistry.java b/dubbo-registry/dubbo-registry-nacos/src/main/java/com/alibaba/dubbo/registry/nacos/NacosRegistry.java
index 20ce09acbec..06fced89256 100644
--- a/dubbo-registry/dubbo-registry-nacos/src/main/java/com/alibaba/dubbo/registry/nacos/NacosRegistry.java
+++ b/dubbo-registry/dubbo-registry-nacos/src/main/java/com/alibaba/dubbo/registry/nacos/NacosRegistry.java
@@ -433,6 +433,7 @@ private Instance createInstance(URL url) {
         Instance instance = new Instance();
         instance.setIp(ip);
         instance.setPort(port);
+        instance.setWeight(newURL.getParameter(Constants.WEIGHT_KEY, Constants.DEFAULT_WEIGHT));
         instance.setMetadata(new HashMap<String, String>(newURL.getParameters()));
         return instance;
     }
diff --git a/dubbo-registry/dubbo-registry-nacos/src/main/java/com/alibaba/dubbo/registry/nacos/NacosRegistryFactory.java b/dubbo-registry/dubbo-registry-nacos/src/main/java/com/alibaba/dubbo/registry/nacos/NacosRegistryFactory.java
index 56de76076d4..6bc26cf1a16 100644
--- a/dubbo-registry/dubbo-registry-nacos/src/main/java/com/alibaba/dubbo/registry/nacos/NacosRegistryFactory.java
+++ b/dubbo-registry/dubbo-registry-nacos/src/main/java/com/alibaba/dubbo/registry/nacos/NacosRegistryFactory.java
@@ -93,7 +93,6 @@ private void setProperties(URL url, Properties properties) {
         putPropertyIfAbsent(url, properties, NAMESPACE);
         putPropertyIfAbsent(url, properties, NACOS_NAMING_LOG_NAME);
         putPropertyIfAbsent(url, properties, ENDPOINT);
-        putPropertyIfAbsent(url, properties, NAMESPACE);
         putPropertyIfAbsent(url, properties, ACCESS_KEY);
         putPropertyIfAbsent(url, properties, SECRET_KEY);
         putPropertyIfAbsent(url, properties, CLUSTER_NAME);