diff --git a/openGauss-datakit/visualtool-api/src/main/java/org/opengauss/admin/web/controller/ops/HostController.java b/openGauss-datakit/visualtool-api/src/main/java/org/opengauss/admin/web/controller/ops/HostController.java
index d7a907a415b1eb1ed4e3e64b10b1baeec06d61dd..1ccba7cdce848e54163aed7d6d36f0e1193e4713 100644
--- a/openGauss-datakit/visualtool-api/src/main/java/org/opengauss/admin/web/controller/ops/HostController.java
+++ b/openGauss-datakit/visualtool-api/src/main/java/org/opengauss/admin/web/controller/ops/HostController.java
@@ -175,8 +175,8 @@ public class HostController extends BaseController {
     @GetMapping("/ping/{hostId}")
     public AjaxResult ping(@PathVariable String hostId,
         @RequestParam(value = "rootPassword", required = false) String rootPassword) {
-        boolean ping = hostService.ping(hostId, rootPassword);
-        return ping ? AjaxResult.success() : AjaxResult.error("Connectivity test failed");
+        hostService.ping(hostId, rootPassword);
+        return AjaxResult.success();
     }
 
     @DeleteMapping("/{hostId}")
diff --git a/openGauss-datakit/visualtool-service/src/main/java/org/opengauss/admin/system/service/ops/impl/HostServiceImpl.java b/openGauss-datakit/visualtool-service/src/main/java/org/opengauss/admin/system/service/ops/impl/HostServiceImpl.java
index d065b57dea804dbfd7a93e30b6c70ec8dd2f790d..dff272802c32dc0e893c54f05f75fe6d03e83319 100644
--- a/openGauss-datakit/visualtool-service/src/main/java/org/opengauss/admin/system/service/ops/impl/HostServiceImpl.java
+++ b/openGauss-datakit/visualtool-service/src/main/java/org/opengauss/admin/system/service/ops/impl/HostServiceImpl.java
@@ -438,6 +438,9 @@ public class HostServiceImpl extends ServiceImpl<OpsHostMapper, OpsHostEntity> i
         OpsHostUserEntity userEntity = opsHostUserEntities.stream().findAny().get();
         SshLogin pingLogin = new SshLogin(hostEntity.getPublicIp(), hostEntity.getPort(), userEntity.getUsername(),
             encryptionUtils.decrypt(userEntity.getPassword()));
+        if (!jschExecutorService.checkOsUserExist(pingLogin)) {
+            throw new OpsException("check os user:" + userEntity.getUsername() + " is not exist.");
+        }
         return jschExecutorService.checkOsUserExist(pingLogin);
     }