diff --git a/client/src/main/java/org/apache/rocketmq/client/ClientConfig.java b/client/src/main/java/org/apache/rocketmq/client/ClientConfig.java
index 3ab214b8db6437f21ab13b0fb615bbaec89409e7..beeeb2f5e5352d1db89b19c540c410c587951b6c 100644
--- a/client/src/main/java/org/apache/rocketmq/client/ClientConfig.java
+++ b/client/src/main/java/org/apache/rocketmq/client/ClientConfig.java
@@ -178,7 +178,7 @@ public class ClientConfig {
     }
 
     public String getNamesrvAddr() {
-        if (StringUtils.isNotEmpty(namesrvAddr) && NameServerAddressUtils.validateInstanceEndpoint(namesrvAddr.trim())) {
+        if (StringUtils.isNotEmpty(namesrvAddr) && NameServerAddressUtils.NAMESRV_ENDPOINT_PATTERN.matcher(namesrvAddr.trim()).matches()) {
             return NameServerAddressUtils.getNameSrvAddrFromNamesrvEndpoint(namesrvAddr);
         }
         return namesrvAddr;
diff --git a/common/src/main/java/org/apache/rocketmq/common/utils/NameServerAddressUtils.java b/common/src/main/java/org/apache/rocketmq/common/utils/NameServerAddressUtils.java
index 85dc95feb4c796374db0d1628c798fe7f4febc29..68f883935ae060f98f42344eef1f516b5c037c92 100644
--- a/common/src/main/java/org/apache/rocketmq/common/utils/NameServerAddressUtils.java
+++ b/common/src/main/java/org/apache/rocketmq/common/utils/NameServerAddressUtils.java
@@ -20,6 +20,7 @@ public class NameServerAddressUtils {
     public static final String INSTANCE_PREFIX = "MQ_INST_";
     public static final String INSTANCE_REGEX = INSTANCE_PREFIX + "\\w+_\\w+";
     public static final String ENDPOINT_PREFIX = "(\\w+://|)";
+    public static final Pattern NAMESRV_ENDPOINT_PATTERN = Pattern.compile("^http://.*");
     public static final Pattern INST_ENDPOINT_PATTERN = Pattern.compile("^" + ENDPOINT_PREFIX + INSTANCE_REGEX + "\\..*");
 
     public static String getNameServerAddresses() {