fix:add log and adjust details

hippo4j-spring-boot/hippo4j-spring-boot-starter/src/main/java/cn/hippo4j/springboot/starter/config/DynamicThreadPoolAutoConfiguration.java

@@ -63,7 +63,6 @@ import cn.hippo4j.springboot.starter.support.DynamicThreadPoolConfigService;
 import cn.hippo4j.springboot.starter.support.DynamicThreadPoolPostProcessor;
 import cn.hippo4j.springboot.starter.support.ThreadPoolPluginRegisterPostProcessor;
 import lombok.AllArgsConstructor;
-import org.checkerframework.checker.units.qual.C;
 import org.springframework.beans.factory.ObjectProvider;
 import org.springframework.boot.autoconfigure.ImportAutoConfiguration;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
@@ -250,7 +249,7 @@ public class DynamicThreadPoolAutoConfiguration {
     }
 
     @Bean
-    public ClientShutdown clientShutdown() {
+    public ClientShutdown hippo4jClientShutdown() {
         return new ClientShutdown();
     }
 }

hippo4j-spring-boot/hippo4j-spring-boot-starter/src/main/java/cn/hippo4j/springboot/starter/core/ClientShutdown.java

@@ -21,6 +21,9 @@ import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
 import lombok.Getter;
 
+/**
+ * Client Shutdown
+ */
 public class ClientShutdown {
 
     @Getter

hippo4j-spring-boot/hippo4j-spring-boot-starter/src/main/java/cn/hippo4j/springboot/starter/core/DiscoveryClient.java

@@ -115,8 +115,7 @@ public class DiscoveryClient implements DisposableBean {
     }
 
     private void prepareDestroy() throws InterruptedException {
-        // close scheduled
-        this.scheduler.shutdown();
+        this.scheduler.shutdownNow();
         // try to make sure the ClientWorker is closed first
         ApplicationContextHolder.getBean(ClientShutdown.class).prepareDestroy();
     }

hippo4j-spring-boot/hippo4j-spring-boot-starter/src/main/java/cn/hippo4j/springboot/starter/remote/ServerHttpAgent.java

@@ -32,10 +32,12 @@ import java.util.Map;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.ScheduledThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
+import lombok.extern.slf4j.Slf4j;
 
 /**
  * Server http agent.
  */
+@Slf4j
 public class ServerHttpAgent implements HttpAgent {
 
     private final BootstrapProperties dynamicThreadPoolProperties;
@@ -114,7 +116,7 @@ public class ServerHttpAgent implements HttpAgent {
         isHealthStatus();
         injectSecurityInfo(paramValues);
         if (isPrepareClose()) {
-            return null;
+            return new Result();
         }
         return HttpUtil.post(buildUrl(path), headers, paramValues, readTimeoutMs, Result.class);
     }
@@ -141,6 +143,7 @@ public class ServerHttpAgent implements HttpAgent {
         }
         if (clientShutdown.isPrepareClose()) {
             clientShutdown.countDown();
+            log.info("client prepare shutdown");
             return true;
         }
         return false;