fix

Author: wangmingliang-ms

PluginsAndFeatures/azure-toolkit-for-intellij/azure-intellij-plugin-springcloud/src/main/java/com/microsoft/azure/toolkit/intellij/springcloud/deplolyment/SpringCloudDeploymentConfigurationState.java

@@ -40,8 +40,6 @@
 
 import java.util.HashMap;
 import java.util.Map;
-import java.util.Optional;
-import java.util.concurrent.Callable;
 
 public class SpringCloudDeploymentConfigurationState implements RunProfileState {
     private static final int GET_URL_TIMEOUT = 60;
@@ -68,18 +66,18 @@ public SpringCloudDeploymentConfigurationState(Project project, SpringCloudDeplo
         final ConsoleMessager messager = new ConsoleMessager(processHandler);
         final ConsoleView consoleView = TextConsoleBuilderFactory.getInstance().createBuilder(this.project).getConsole();
         consoleView.attachToProcess(processHandler);
-        final Callable<Object> execute = () -> {
+        final Runnable execute = () -> {
             try {
-                return this.execute(messager);
+                this.execute(messager);
+                messager.success("Deploy succeed!");
             } catch (final Exception e) {
                 messager.error(e);
             }
-            return Optional.empty();
         };
-        final Disposable subscribe = Mono.fromCallable(execute)
+        final Disposable subscribe = Mono.fromRunnable(execute)
             .doOnTerminate(processHandler::notifyComplete)
             .subscribeOn(Schedulers.boundedElastic())
-            .subscribe((res) -> messager.success("Deploy succeed!"), messager::error);
+            .subscribe();
         processHandler.addProcessListener(new ProcessAdapter() {
             @Override
             public void processTerminated(@NotNull ProcessEvent event) {