diff --git a/hippo4j-example/hippo4j-example-core/src/main/java/cn/hippo4j/example/core/config/ThreadPoolConfig.java b/hippo4j-example/hippo4j-example-core/src/main/java/cn/hippo4j/example/core/config/ThreadPoolConfig.java
index 5be38c3b..f16fbbda 100644
--- a/hippo4j-example/hippo4j-example-core/src/main/java/cn/hippo4j/example/core/config/ThreadPoolConfig.java
+++ b/hippo4j-example/hippo4j-example-core/src/main/java/cn/hippo4j/example/core/config/ThreadPoolConfig.java
@@ -53,7 +53,6 @@ public class ThreadPoolConfig {
                 .awaitTerminationMillis(5000L)
                 .taskDecorator(new TaskTraceBuilderHandler())
                 .build();
-
         return customExecutor;
     }
 
@@ -69,12 +68,10 @@ public class ThreadPoolConfig {
                 .waitForTasksToCompleteOnShutdown(true)
                 .awaitTerminationMillis(5000L)
                 /**
-                 * 测试线程任务装饰器.
-                 * 如果需要查看详情, 跳转 {@link TaskDecoratorTest}
+                 * 上下文传递，测试用例：{@link TaskDecoratorTest}
                  */
                 .taskDecorator(new TaskDecoratorTest.ContextCopyingDecorator())
                 .build();
-
         return produceExecutor;
     }
 
diff --git a/hippo4j-example/hippo4j-example-core/src/main/java/cn/hippo4j/example/core/handler/ErrorLogRejectedExecutionHandler.java b/hippo4j-example/hippo4j-example-core/src/main/java/cn/hippo4j/example/core/handler/ErrorLogRejectedExecutionHandler.java
index 3b31204d..67a63b5f 100644
--- a/hippo4j-example/hippo4j-example-core/src/main/java/cn/hippo4j/example/core/handler/ErrorLogRejectedExecutionHandler.java
+++ b/hippo4j-example/hippo4j-example-core/src/main/java/cn/hippo4j/example/core/handler/ErrorLogRejectedExecutionHandler.java
@@ -49,7 +49,5 @@ public class ErrorLogRejectedExecutionHandler implements CustomRejectedExecution
             Logger logger = LoggerFactory.getLogger(this.getClass());
             logger.error("线程池抛出拒绝策略.");
         }
-
     }
-
 }
diff --git a/hippo4j-example/hippo4j-example-core/src/main/java/cn/hippo4j/example/core/handler/TaskTraceBuilderHandler.java b/hippo4j-example/hippo4j-example-core/src/main/java/cn/hippo4j/example/core/handler/TaskTraceBuilderHandler.java
index 21b7ac15..e6f89c15 100644
--- a/hippo4j-example/hippo4j-example-core/src/main/java/cn/hippo4j/example/core/handler/TaskTraceBuilderHandler.java
+++ b/hippo4j-example/hippo4j-example-core/src/main/java/cn/hippo4j/example/core/handler/TaskTraceBuilderHandler.java
@@ -34,7 +34,6 @@ public final class TaskTraceBuilderHandler implements TaskDecorator {
     @Override
     public Runnable decorate(Runnable runnable) {
         String executeTimeoutTrace = MDC.get(EXECUTE_TIMEOUT_TRACE);
-
         Runnable taskRun = () -> {
             if (StringUtil.isNotBlank(executeTimeoutTrace)) {
                 MDC.put(EXECUTE_TIMEOUT_TRACE, executeTimeoutTrace);
@@ -42,8 +41,6 @@ public final class TaskTraceBuilderHandler implements TaskDecorator {
             runnable.run();
             // 此处不用进行清理操作, 统一在线程任务执行后清理
         };
-
         return taskRun;
     }
-
 }
diff --git a/hippo4j-example/hippo4j-example-core/src/main/java/cn/hippo4j/example/core/inittest/AlarmSendMessageTest.java b/hippo4j-example/hippo4j-example-core/src/main/java/cn/hippo4j/example/core/inittest/AlarmSendMessageTest.java
index c01f4098..394b37cc 100644
--- a/hippo4j-example/hippo4j-example-core/src/main/java/cn/hippo4j/example/core/inittest/AlarmSendMessageTest.java
+++ b/hippo4j-example/hippo4j-example-core/src/main/java/cn/hippo4j/example/core/inittest/AlarmSendMessageTest.java
@@ -56,5 +56,4 @@ public class AlarmSendMessageTest {
             }
         }, 3, 1, TimeUnit.SECONDS);
     }
-
 }
diff --git a/hippo4j-example/hippo4j-example-core/src/main/java/cn/hippo4j/example/core/inittest/RunStateHandlerTest.java b/hippo4j-example/hippo4j-example-core/src/main/java/cn/hippo4j/example/core/inittest/RunStateHandlerTest.java
index 14132171..5a0789e5 100644
--- a/hippo4j-example/hippo4j-example-core/src/main/java/cn/hippo4j/example/core/inittest/RunStateHandlerTest.java
+++ b/hippo4j-example/hippo4j-example-core/src/main/java/cn/hippo4j/example/core/inittest/RunStateHandlerTest.java
@@ -69,7 +69,6 @@ public class RunStateHandlerTest {
 
         // 启动动态线程池模拟运行任务
         runTask(messageConsumeDynamicThreadPool);
-
         // 启动动态线程池模拟运行任务
         runTask(messageProduceDynamicThreadPool);
     }
@@ -102,11 +101,8 @@ public class RunStateHandlerTest {
                 } catch (Exception ex) {
                     // ignore
                 }
-
                 ThreadUtil.sleep(500);
             }
-
         });
     }
-
 }
diff --git a/hippo4j-example/hippo4j-example-core/src/main/java/cn/hippo4j/example/core/inittest/TaskDecoratorTest.java b/hippo4j-example/hippo4j-example-core/src/main/java/cn/hippo4j/example/core/inittest/TaskDecoratorTest.java
index c8f3a820..05739ab9 100644
--- a/hippo4j-example/hippo4j-example-core/src/main/java/cn/hippo4j/example/core/inittest/TaskDecoratorTest.java
+++ b/hippo4j-example/hippo4j-example-core/src/main/java/cn/hippo4j/example/core/inittest/TaskDecoratorTest.java
@@ -74,7 +74,6 @@ public class TaskDecoratorTest {
                 log.info("通过 taskDecorator MDC 传递上下文 :: {}", MDC.get(PLACEHOLDER));
             });
         });
-
     }
 
     public static class ContextCopyingDecorator implements TaskDecorator {
@@ -93,5 +92,4 @@ public class TaskDecoratorTest {
             };
         }
     }
-
 }