diff --git a/fe/fe-core/src/main/java/org/apache/doris/external/elasticsearch/EsRestClient.java b/fe/fe-core/src/main/java/org/apache/doris/external/elasticsearch/EsRestClient.java
index 91d3fe8954..bc752179b0 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/external/elasticsearch/EsRestClient.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/external/elasticsearch/EsRestClient.java
@@ -56,14 +56,15 @@ import javax.net.ssl.X509TrustManager;
 public class EsRestClient {
 
     private static final Logger LOG = LogManager.getLogger(EsRestClient.class);
-    private static OkHttpClient networkClient = new OkHttpClient.Builder().readTimeout(10, TimeUnit.SECONDS).build();
+    private static final OkHttpClient networkClient = new OkHttpClient
+            .Builder().readTimeout(10, TimeUnit.SECONDS).build();
 
     private static OkHttpClient sslNetworkClient;
-    private Request.Builder builder;
-    private String[] nodes;
+    private final Request.Builder builder;
+    private final String[] nodes;
     private String currentNode;
     private int currentNodeIndex = 0;
-    private boolean httpSslEnable;
+    private final boolean httpSslEnable;
 
     /**
      * For EsTable.
@@ -129,9 +130,7 @@ public class EsRestClient {
      **/
     public boolean existIndex(OkHttpClient httpClient, String indexName) {
         String path = indexName + "/_mapping";
-        Response response;
-        try {
-            response = executeResponse(httpClient, path);
+        try (Response response = executeResponse(httpClient, path)) {
             if (response.isSuccessful()) {
                 return true;
             }
@@ -228,7 +227,10 @@ public class EsRestClient {
         if (!(currentNode.startsWith("http://") || currentNode.startsWith("https://"))) {
             currentNode = "http://" + currentNode;
         }
-        Request request = builder.get().url(currentNode + "/" + path).build();
+        if (!currentNode.endsWith("/")) {
+            currentNode = currentNode + "/";
+        }
+        Request request = builder.get().url(currentNode + path).build();
         if (LOG.isInfoEnabled()) {
             LOG.info("es rest client request URL: {}", currentNode + "/" + path);
         }
diff --git a/regression-test/pipeline/external/conf/regression-conf.groovy b/regression-test/pipeline/external/conf/regression-conf.groovy
index f24d9baddc..d114ed598f 100644
--- a/regression-test/pipeline/external/conf/regression-conf.groovy
+++ b/regression-test/pipeline/external/conf/regression-conf.groovy
@@ -88,7 +88,7 @@ enableHiveTest=true
 hms_port=7141
 
 enableEsTest=true
-es_6_port=19200
+es_6_port="19200/"
 es_7_port=29200
 es_8_port=39200