diff --git a/service-pulsar-query/src/main/java/com/lanyuanxiaoyao/service/pulsar/PulsarQueryApplication.java b/service-pulsar-query/src/main/java/com/lanyuanxiaoyao/service/pulsar/PulsarQueryApplication.java
index 0b88e2c..e7730b8 100644
--- a/service-pulsar-query/src/main/java/com/lanyuanxiaoyao/service/pulsar/PulsarQueryApplication.java
+++ b/service-pulsar-query/src/main/java/com/lanyuanxiaoyao/service/pulsar/PulsarQueryApplication.java
@@ -20,6 +20,8 @@ import org.apache.pulsar.common.policies.data.*;
 import org.eclipse.collections.api.factory.Lists;
 import org.eclipse.collections.api.list.ImmutableList;
 import org.eclipse.collections.api.list.MutableList;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.autoconfigure.gson.GsonAutoConfiguration;
@@ -51,6 +53,8 @@ import org.springframework.web.bind.annotation.RestController;
 @RestController
 @RequestMapping("pulsar")
 public class PulsarQueryApplication {
+    private static final Logger logger = LoggerFactory.getLogger(PulsarQueryApplication.class);
+
     public static void main(String[] args) {
         SpringApplication.run(PulsarQueryApplication.class, args);
     }
@@ -276,8 +280,11 @@ public class PulsarQueryApplication {
     @Cacheable(value = "exists-topic", sync = true)
     @GetMapping("exists_topic")
     public Boolean existsTopic(@RequestParam("url") String url, @RequestParam("topic") String topic) throws PulsarClientException, PulsarAdminException {
+        String name = name(url);
+        logger.info("Detected name: {}", name);
+        PulsarInfo info = getInfo(name);
         try (PulsarAdmin admin = PulsarAdmin.builder()
-                .serviceHttpUrl(url)
+                .serviceHttpUrl(adminUrl(info))
                 .build()) {
             List<String> tenants = admin.tenants().getTenants();
             for (String tenant : tenants) {