diff --git a/event-support-lib/src/main/java/cn/axzo/foundation/event/support/DiffablePayload.java b/event-support-lib/src/main/java/cn/axzo/foundation/event/support/DiffablePayload.java
index 17924ba..ccdb777 100644
--- a/event-support-lib/src/main/java/cn/axzo/foundation/event/support/DiffablePayload.java
+++ b/event-support-lib/src/main/java/cn/axzo/foundation/event/support/DiffablePayload.java
@@ -1,6 +1,6 @@
 package cn.axzo.foundation.event.support;
 
-import cn.axzo.foundation.event.utils.PayloadUtils;
+import cn.axzo.foundation.event.support.utils.PayloadUtils;
 import com.google.common.collect.ImmutableSet;
 import lombok.*;
 
diff --git a/event-support-lib/src/main/java/cn/axzo/foundation/event/support/Event.java b/event-support-lib/src/main/java/cn/axzo/foundation/event/support/Event.java
index 56750c6..e80c687 100644
--- a/event-support-lib/src/main/java/cn/axzo/foundation/event/support/Event.java
+++ b/event-support-lib/src/main/java/cn/axzo/foundation/event/support/Event.java
@@ -40,7 +40,7 @@ public class Event implements Serializable {
      */
     private String eventId;
 
-    private String eventVersion;
+    private String version;
 
     private String eventModule;
 
diff --git a/event-support-lib/src/main/java/cn/axzo/foundation/event/support/EventHandlerContext.java b/event-support-lib/src/main/java/cn/axzo/foundation/event/support/EventHandlerContext.java
new file mode 100644
index 0000000..587bb89
--- /dev/null
+++ b/event-support-lib/src/main/java/cn/axzo/foundation/event/support/EventHandlerContext.java
@@ -0,0 +1,32 @@
+package cn.axzo.foundation.event.support;
+
+import com.google.common.base.Preconditions;
+import com.google.common.base.Strings;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+import java.util.Optional;
+
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class EventHandlerContext {
+    Event.EventCode eventCode;
+    /** handler的唯一索引, 重试时需要 */
+    String handlerKey;
+    /** 用于打印日志 */
+    String name;
+    EventHandler eventHandler;
+
+    public String getName() {
+        return Optional.ofNullable(Strings.emptyToNull(name)).orElse(eventHandler.getClass().getSimpleName());
+    }
+
+    public void check() {
+        Preconditions.checkNotNull(eventCode);
+        Preconditions.checkNotNull(eventHandler);
+    }
+}
diff --git a/event-support-lib/src/main/java/cn/axzo/foundation/event/support/EventHeaders.java b/event-support-lib/src/main/java/cn/axzo/foundation/event/support/EventHeaders.java
new file mode 100644
index 0000000..ddf6338
--- /dev/null
+++ b/event-support-lib/src/main/java/cn/axzo/foundation/event/support/EventHeaders.java
@@ -0,0 +1,19 @@
+package cn.axzo.foundation.event.support;
+
+import cn.axzo.foundation.util.TraceUtils;
+
+public class EventHeaders {
+    /** eventCode */
+    public static final String EVENT_CODE = "eventCode";
+
+    /** 指定消费者的handlerKey. 多个逗号分割, eg: CreateUserHandler,UpdateUserHandler */
+    public static final String TRIGGER_HANDLER_KEYS = "triggerHandlerKeys";
+
+    /** 重试次数, 数字 */
+    public static final String RETRY_COUNT = "retryCount";
+
+    public static final String TRACE_ID = TraceUtils.TRACE_ID;
+
+    public static final String DISABLE_LOG_HEADER = "disableLog";
+
+}
diff --git a/event-support-lib/src/main/java/cn/axzo/foundation/event/support/consumer/BatchEventConsumer.java b/event-support-lib/src/main/java/cn/axzo/foundation/event/support/consumer/BatchEventConsumer.java
index e2601dc..a4fe3b5 100644
--- a/event-support-lib/src/main/java/cn/axzo/foundation/event/support/consumer/BatchEventConsumer.java
+++ b/event-support-lib/src/main/java/cn/axzo/foundation/event/support/consumer/BatchEventConsumer.java
@@ -2,6 +2,7 @@ package cn.axzo.foundation.event.support.consumer;
 
 import cn.axzo.foundation.event.support.Event;
 import cn.axzo.foundation.event.support.EventHandler;
+import cn.axzo.foundation.event.support.EventHandlerContext;
 import cn.axzo.foundation.exception.BusinessException;
 import cn.axzo.foundation.result.ResultCode;
 import cn.axzo.foundation.util.FastjsonUtils;
@@ -32,15 +33,15 @@ public class BatchEventConsumer implements EventConsumer {
     }
 
     @Override
-    public EventHandlerRepository registerHandler(Event.EventCode eventCode, EventHandler eventHandler, String name) {
-        handlers.put(eventHandler, eventCode);
+    public Boolean registerHandler(EventHandlerContext context) {
+        handlers.put(context.getEventHandler(), context.getEventCode());
         return null;
     }
 
     @Override
-    public EventHandlerRepository registerHandlers(List<Event.EventCode> list, EventHandler eventHandler, String name) {
+    public Boolean registerHandlers(List<Event.EventCode> list, EventHandler eventHandler, String name) {
         handlers.putAll(eventHandler, list);
-        return null;
+        return true;
     }
 
     @Override
diff --git a/event-support-lib/src/main/java/cn/axzo/foundation/event/support/consumer/DefaultEventConsumer.java b/event-support-lib/src/main/java/cn/axzo/foundation/event/support/consumer/DefaultEventConsumer.java
index c264419..874d7de 100644
--- a/event-support-lib/src/main/java/cn/axzo/foundation/event/support/consumer/DefaultEventConsumer.java
+++ b/event-support-lib/src/main/java/cn/axzo/foundation/event/support/consumer/DefaultEventConsumer.java
@@ -1,15 +1,16 @@
 package cn.axzo.foundation.event.support.consumer;
 
 import cn.axzo.foundation.event.support.Event;
-import cn.axzo.foundation.event.support.EventHandler;
+import cn.axzo.foundation.event.support.EventHandlerContext;
 import cn.axzo.foundation.util.FastjsonUtils;
 import com.alibaba.fastjson.JSONObject;
 import com.google.common.base.Throwables;
+import lombok.Builder;
 import lombok.extern.slf4j.Slf4j;
 
 import java.util.List;
 import java.util.Map;
-import java.util.concurrent.TimeUnit;
+import java.util.Optional;
 import java.util.function.Consumer;
 import java.util.stream.Collectors;
 
@@ -32,18 +33,21 @@ import java.util.stream.Collectors;
  */
 @Slf4j
 public class DefaultEventConsumer implements EventConsumer {
-
     private final EventHandlerRepository handlerRepository;
-
-    private final String appName;
     private final Consumer<EventWrapper> consumeCallback;
 
-    public DefaultEventConsumer(String appName, EventHandlerRepository handlerRepository, Consumer<EventWrapper> consumeCallback) {
-        this.handlerRepository = handlerRepository;
-        this.appName = appName;
+    @Builder
+    public DefaultEventConsumer(EventHandlerRepository handlerRepository, Consumer<EventWrapper> consumeCallback) {
+        this.handlerRepository = Optional.ofNullable(handlerRepository).orElseGet(() -> EventHandlerRepository.builder()
+                .build());
         this.consumeCallback = consumeCallback;
     }
 
+    @Override
+    public Boolean registerHandler(EventHandlerContext context) {
+        return handlerRepository.registerHandler(context);
+    }
+
     @Override
     public boolean onEvent(String message, Context context) {
         Event event;
@@ -71,7 +75,7 @@ public class DefaultEventConsumer implements EventConsumer {
                     context.getSummary(), message, e);
             return false;
         }
-        Boolean handled = false;
+        Boolean handled;
         try {
             handled = handlerRepository.process(event, context);
         } catch (Exception ex) {
@@ -85,7 +89,6 @@ public class DefaultEventConsumer implements EventConsumer {
                     .event(event)
                     .consumer(this)
                     .isHandled(handled)
-                    .ext(context.getExt())
                     .context(context)
                     .build());
         }
@@ -95,7 +98,7 @@ public class DefaultEventConsumer implements EventConsumer {
     @Override
     public boolean onEvents(List<BatchEvent> events) {
         // 默认开启日志，如需关闭日志，在调用onEvent的时候，设置logEnable为false
-        log.info("====MQ CONSUMER BATCH===={}, events={}", appName, FastjsonUtils.toJsonPettyLogString(events));
+        log.info("====MQ CONSUMER BATCH====, events={}", FastjsonUtils.toJsonPettyLogString(events));
         Map<Event.EventCode, List<Event>> eventGroup = events.stream().filter(e -> handlerRepository.canHandle(e.getContext().getEventCode()))
                 .map(BatchEvent::toEvent).collect(Collectors.groupingBy(Event::getEventCode));
         if (eventGroup.isEmpty()) {
@@ -105,20 +108,9 @@ public class DefaultEventConsumer implements EventConsumer {
             handlerRepository.batch(entry.getValue(),
                     Context.builder()
                             .eventCode(entry.getKey())
-                            .maxAllowElapsedMillis(TimeUnit.MINUTES.toMillis(1L))
                             .build());
         }
 
         return true;
     }
-
-    @Override
-    public EventHandlerRepository registerHandler(Event.EventCode eventCode, EventHandler eventHandler, String name) {
-        return handlerRepository.registerHandler(eventCode, eventHandler, name);
-    }
-
-    @Override
-    public EventHandlerRepository registerHandlers(List<Event.EventCode> eventCodes, EventHandler eventHandler, String name) {
-        return handlerRepository.registerHandlers(eventCodes, eventHandler, name);
-    }
 }
diff --git a/event-support-lib/src/main/java/cn/axzo/foundation/event/support/consumer/EventConsumer.java b/event-support-lib/src/main/java/cn/axzo/foundation/event/support/consumer/EventConsumer.java
index fd5c8c4..a4c6d4d 100644
--- a/event-support-lib/src/main/java/cn/axzo/foundation/event/support/consumer/EventConsumer.java
+++ b/event-support-lib/src/main/java/cn/axzo/foundation/event/support/consumer/EventConsumer.java
@@ -2,25 +2,38 @@ package cn.axzo.foundation.event.support.consumer;
 
 import cn.axzo.foundation.event.support.Event;
 import cn.axzo.foundation.event.support.EventHandler;
-import cn.axzo.foundation.event.support.producer.EventProducer;
+import cn.axzo.foundation.event.support.EventHandlerContext;
+import cn.axzo.foundation.event.support.EventHeaders;
 import cn.axzo.foundation.util.TraceUtils;
 import cn.axzo.foundation.util.UUIDBuilder;
 import com.alibaba.fastjson.JSONObject;
 import com.google.common.base.Charsets;
-import com.google.common.base.Predicate;
+import com.google.common.base.Splitter;
 import com.google.common.base.Strings;
 import com.google.common.base.Supplier;
-import lombok.*;
-import org.apache.commons.lang3.BooleanUtils;
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.Sets;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
 import org.springframework.util.CollectionUtils;
 
-import java.util.Collections;
 import java.util.List;
 import java.util.Map;
 import java.util.Optional;
+import java.util.Set;
 
 public interface EventConsumer {
 
+    /**
+     * 注册EventHandler
+     *
+     * @return EventHandlerRepository
+     */
+    Boolean registerHandler(EventHandlerContext context);
+
     /**
      * 注册EventHandler
      *
@@ -29,10 +42,12 @@ public interface EventConsumer {
      * @param name         handler别名
      * @return EventHandlerRepository
      */
-    EventHandlerRepository registerHandler(Event.EventCode eventCode, EventHandler eventHandler, String name);
-
-    default EventHandlerRepository registerHandler(Event.EventCode eventCode, EventHandler eventHandler) {
-        return registerHandler(eventCode, eventHandler, null);
+    default Boolean registerHandler(Event.EventCode eventCode, EventHandler eventHandler, String name) {
+        return registerHandler(EventHandlerContext.builder()
+                .eventCode(eventCode)
+                .eventHandler(eventHandler)
+                .name(name)
+                .build());
     }
 
     /**
@@ -43,10 +58,9 @@ public interface EventConsumer {
      * @param name         handler别名
      * @return EventHandlerRepository
      */
-    EventHandlerRepository registerHandlers(List<Event.EventCode> eventCodes, EventHandler eventHandler, String name);
-
-    default EventHandlerRepository registerHandlers(List<Event.EventCode> eventCodes, EventHandler eventHandler) {
-        return registerHandlers(eventCodes, eventHandler, null);
+    default Boolean registerHandlers(List<Event.EventCode> eventCodes, EventHandler eventHandler, String name) {
+        eventCodes.forEach(e -> registerHandler(e, eventHandler, name));
+        return true;
     }
 
     /**
@@ -77,7 +91,6 @@ public interface EventConsumer {
         private Event event;
         private EventConsumer consumer;
         private boolean isHandled;
-        private Map<String, Object> ext;
         private Context context;
     }
 
@@ -88,39 +101,30 @@ public interface EventConsumer {
         private Event.EventCode eventCode;
         private String traceId;
         private String msgId;
-        /**
-         * 只elapse 超过多少毫秒才进行日志记录。默认 3ms
-         */
-        private Long logElapsedThreshold;
+        private String topic;
 
         private Map<String, byte[]> headers;
-        private Map<String, Object> ext;
-        private Long maxAllowElapsedMillis;
-        @Getter(AccessLevel.NONE)
-        private Boolean logEnabled;
-        @Getter(AccessLevel.NONE)
-        private transient Predicate<Event> logFilter;
+
         /**
          * 返回消息消费者offset与全部消息offset之间的差.
          */
         private transient Supplier<Long> lagSupplier;
 
         @Builder
-        public Context(Event.EventCode eventCode, String msgId, Long logElapsedThreshold, Map<String, byte[]> headers, Map<String, Object> ext,
-                       Long maxAllowElapsedMillis, Boolean logEnabled, Predicate<Event> logFilter, Supplier<Long> lagSupplier) {
-            this.eventCode = eventCode;
+        public Context(Event.EventCode eventCode, String msgId, Map<String, byte[]> headers,
+                       Supplier<Long> lagSupplier, String topic) {
+            this.headers = Optional.ofNullable(headers).orElse(ImmutableMap.of());
 
-            this.logElapsedThreshold = Optional.ofNullable(logElapsedThreshold).orElse(3L);
-            this.headers = headers;
-            this.ext = ext;
+            this.eventCode = Optional.ofNullable(eventCode).orElseGet(() -> getHeaders().containsKey(EventHeaders.EVENT_CODE)
+                    ? Event.EventCode.from(new String(getHeaders().get(EventHeaders.EVENT_CODE), Charsets.UTF_8))
+                    : null);
+            this.topic = Strings.nullToEmpty(topic);
             this.msgId = Strings.nullToEmpty(msgId);
 
-            this.maxAllowElapsedMillis = Optional.ofNullable(maxAllowElapsedMillis).orElse(10_000L);
-            this.logEnabled = logEnabled;
-            this.logFilter = logFilter;
+
             this.lagSupplier = lagSupplier;
-            if (!CollectionUtils.isEmpty(headers) && headers.containsKey(TraceUtils.TRACE_ID)) {
-                this.traceId = new String(headers.get(TraceUtils.TRACE_ID), Charsets.UTF_8);
+            if (!CollectionUtils.isEmpty(headers) && headers.containsKey(EventHeaders.TRACE_ID)) {
+                this.traceId = new String(headers.get(EventHeaders.TRACE_ID), Charsets.UTF_8);
             }
             if (Strings.isNullOrEmpty(this.traceId)) {
                 this.traceId = UUIDBuilder.generateShortUuid();
@@ -128,37 +132,12 @@ public interface EventConsumer {
             TraceUtils.putTraceId(this.traceId);
         }
 
-        public Event.EventCode getEventCode() {
-            if (eventCode == null) {
-                eventCode = headers.containsKey("eventCode")
-                        ? Event.EventCode.from(new String(headers.get("eventCode"), Charsets.UTF_8))
-                        : null;
+        public Set<String> getTriggerHandlerKeys() {
+            if (getHeaders().containsKey(EventHeaders.TRIGGER_HANDLER_KEYS)) {
+                return Sets.newHashSet(Splitter.on(",").trimResults().omitEmptyStrings()
+                        .splitToList(new String(getHeaders().get(EventHeaders.TRIGGER_HANDLER_KEYS), Charsets.UTF_8)));
             }
-            return eventCode;
-        }
-
-        public String getTraceId() {
-            if (Strings.isNullOrEmpty(traceId)) {
-                // 兼容老的实现
-                traceId = UUIDBuilder.generateShortUuid();
-                TraceUtils.putTraceId(traceId);
-            }
-            return traceId;
-        }
-
-        public boolean getLogEnabled(Event event) {
-            // consumer显式声明了日志开关，则直接使用
-            if (logEnabled != null) {
-                return logEnabled && (logFilter == null || logFilter.apply(event));
-            }
-
-            // consumer未显式声明日志开关时，根据event的header中的disableLog=true来决定是否关闭日志。
-            boolean disableLog = BooleanUtils.toBoolean(new String(Optional.ofNullable(headers).orElse(Collections.emptyMap())
-                    .getOrDefault(EventProducer.Context.DISABLE_LOG_HEADER, "".getBytes())));
-            if (disableLog) {
-                return false;
-            }
-            return logFilter == null || logFilter.apply(event);
+            return ImmutableSet.of();
         }
 
         public String getSummary() {
diff --git a/event-support-lib/src/main/java/cn/axzo/foundation/event/support/consumer/EventExceptionContext.java b/event-support-lib/src/main/java/cn/axzo/foundation/event/support/consumer/EventExceptionContext.java
new file mode 100644
index 0000000..12d0d10
--- /dev/null
+++ b/event-support-lib/src/main/java/cn/axzo/foundation/event/support/consumer/EventExceptionContext.java
@@ -0,0 +1,33 @@
+package cn.axzo.foundation.event.support.consumer;
+
+import cn.axzo.foundation.event.support.Event;
+import cn.axzo.foundation.event.support.EventHandlerContext;
+import cn.axzo.foundation.exception.BusinessException;
+import cn.axzo.foundation.result.ResultCode;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+
+@Slf4j
+@Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
+public class EventExceptionContext {
+    Throwable exception;
+    String msg;
+    Event event;
+    EventConsumer.Context consumerContext;
+    EventHandlerContext handlerContext;
+
+    public void doPrint() {
+        if (BusinessException.class.isAssignableFrom(exception.getClass()) &&
+                !ResultCode.PROCESS_TIMEOUT.getCode().equals(((BusinessException) exception).getErrorCode())) {
+            log.warn("MQ, handle warning {}", msg, exception);
+        } else {
+            log.error("MQ, handle error {}", msg, exception);
+        }
+    }
+}
diff --git a/event-support-lib/src/main/java/cn/axzo/foundation/event/support/consumer/EventHandlerRepository.java b/event-support-lib/src/main/java/cn/axzo/foundation/event/support/consumer/EventHandlerRepository.java
index a8bb1eb..ccfd88b 100644
--- a/event-support-lib/src/main/java/cn/axzo/foundation/event/support/consumer/EventHandlerRepository.java
+++ b/event-support-lib/src/main/java/cn/axzo/foundation/event/support/consumer/EventHandlerRepository.java
@@ -1,35 +1,26 @@
 package cn.axzo.foundation.event.support.consumer;
 
-import cn.axzo.foundation.event.support.DiffablePayload;
-import cn.axzo.foundation.event.support.Event;
-import cn.axzo.foundation.event.support.EventHandler;
-import cn.axzo.foundation.event.support.PayloadDifferentiator;
+import cn.axzo.foundation.event.support.*;
 import cn.axzo.foundation.exception.BusinessException;
-import cn.axzo.foundation.result.ResultCode;
 import cn.axzo.foundation.util.FastjsonUtils;
 import com.alibaba.fastjson.JSON;
 import com.alibaba.fastjson.JSONObject;
 import com.alibaba.fastjson.TypeReference;
-import com.google.common.base.Charsets;
-import com.google.common.base.Preconditions;
-import com.google.common.base.Stopwatch;
-import com.google.common.base.Strings;
+import com.google.common.base.*;
 import com.google.common.collect.ArrayListMultimap;
 import com.google.common.collect.ListMultimap;
 import com.google.common.collect.Maps;
 import lombok.Builder;
-import lombok.Data;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.util.AntPathMatcher;
 import org.springframework.util.CollectionUtils;
 
-import java.util.List;
-import java.util.Map;
 import java.util.Objects;
 import java.util.Optional;
+import java.util.*;
 import java.util.concurrent.TimeUnit;
-import java.util.function.BiConsumer;
+import java.util.function.Consumer;
 import java.util.stream.Collectors;
 
 /**
@@ -37,41 +28,53 @@ import java.util.stream.Collectors;
  * 可以在多个地方使用.
  */
 @Slf4j
-public class EventHandlerRepository  {
-    final protected ListMultimap<Event.EventCode, EventHandlerHolder> handlers = ArrayListMultimap.create();
-    private final BiConsumer<Exception, String> exceptionHandler;
-
+public class EventHandlerRepository {
+    final protected ListMultimap<Event.EventCode, EventHandlerContext> handlers = ArrayListMultimap.create();
+    private final Consumer<EventExceptionContext> exceptionHandler;
     private AntPathMatcher antPathMatcher;
 
-    public EventHandlerRepository(BiConsumer<Exception, String> exceptionHandler) {
-        this(exceptionHandler, false);
-    }
+    /**
+     * 只elapse 超过多少毫秒才进行日志记录。默认 3ms
+     */
+    private final Long logElapsedThreshold;
+    private final Long maxAllowElapsedMillis;
+    private final Boolean logEnabled;
+    private final Predicate<Event> logFilter;
 
-    public EventHandlerRepository(BiConsumer<Exception, String> exceptionHandler, boolean supportPattern) {
-        this.exceptionHandler = exceptionHandler;
 
+    @Builder
+    public EventHandlerRepository(Consumer<EventExceptionContext> exceptionHandler,
+                                  boolean supportPattern,
+                                  Boolean logEnabled,
+                                  Predicate<Event> logFilter,
+                                  Long logElapsedThreshold,
+                                  Long maxAllowElapsedMillis) {
+        this.exceptionHandler = Optional.ofNullable(exceptionHandler).orElse(EventExceptionContext::doPrint);
+
+        this.logEnabled = Optional.ofNullable(logEnabled).orElse(Boolean.TRUE);
+        this.logFilter = logFilter;
+        this.logElapsedThreshold = Optional.ofNullable(logElapsedThreshold).orElse(3L);
+        this.maxAllowElapsedMillis = Optional.ofNullable(maxAllowElapsedMillis).orElse(10_000L);
         if (supportPattern) {
             antPathMatcher = new AntPathMatcher(Event.EventCode.SEPARATOR);
             antPathMatcher.setCachePatterns(true);
         }
     }
 
-    public EventHandlerRepository() {
-        this(null);
-    }
+    public Boolean registerHandler(EventHandlerContext handlerHolder) {
+        handlerHolder.check();
 
-    public EventHandlerRepository registerHandler(Event.EventCode eventCode, EventHandler eventHandler, String name) {
-        Objects.requireNonNull(eventCode);
-        Objects.requireNonNull(eventHandler);
+        //如果传入了key则检查部重复
+        if (StringUtils.isNoneBlank(handlerHolder.getHandlerKey())) {
+            Set<String> existsHandlerKeys = handlers.values().stream()
+                    .map(e -> e.getHandlerKey())
+                    .filter(StringUtils::isNoneBlank)
+                    .collect(Collectors.toSet());
+            Preconditions.checkArgument(!existsHandlerKeys.contains(handlerHolder.getHandlerKey()));
+        }
 
-        handlers.put(eventCode, EventHandlerHolder.builder().name(name).eventHandler(eventHandler).build());
-        return this;
-    }
-
-    public EventHandlerRepository registerHandlers(List<Event.EventCode> eventCodes, EventHandler eventHandler, String name) {
-        Objects.requireNonNull(eventHandler);
-        eventCodes.forEach(e -> handlers.put(e, EventHandlerHolder.builder().name(name).eventHandler(eventHandler).build()));
-        return this;
+        handlers.put(handlerHolder.getEventCode(), handlerHolder);
+        return true;
     }
 
     public boolean canHandle(Event.EventCode eventCode) {
@@ -92,9 +95,8 @@ public class EventHandlerRepository  {
     public boolean process(Event event, EventConsumer.Context context) {
         Stopwatch stopwatch = Stopwatch.createUnstarted();
         Event.EventCode eventCode = event.getEventCode();
-        List<EventHandlerHolder> eventHandlers = getEventHandlers(eventCode);
-        Map<String, Long> handleCosts = Maps.newHashMap();
 
+        Map<String, Long> handleCosts = Maps.newHashMap();
         PayloadDifferentiator differentiator = null;
         if (!CollectionUtils.isEmpty(context.getHeaders())
                 && context.getHeaders().containsKey(DiffablePayload.DIFF_META_HEADER)) {
@@ -122,6 +124,7 @@ public class EventHandlerRepository  {
 
         String eventLogText = event.toPrettyJsonString();
 
+        List<EventHandlerContext> eventHandlers = getEventHandlers(eventCode, context);
         eventHandlers.forEach(handler -> {
             try {
                 stopwatch.start();
@@ -129,29 +132,29 @@ public class EventHandlerRepository  {
 
                 long elapsed = stopwatch.elapsed(TimeUnit.MILLISECONDS);
                 // 为了避免太多日志输出，只有处理时间超过
-                if (elapsed > context.getLogElapsedThreshold()) {
+                if (elapsed > logElapsedThreshold) {
                     handleCosts.put(handler.getName(), elapsed);
                 }
 
-                if (elapsed > context.getMaxAllowElapsedMillis()) {
+                if (elapsed > maxAllowElapsedMillis) {
                     String msg = String.format("[%s] take too long %d millis for %s to handle %s\nevent=%s",
                             context.getTraceId(), elapsed, handler.getName(), payloadDiffLog, eventLogText);
-                    handleException(new BusinessException(ResultCode.PROCESS_TIMEOUT), msg);
+                    log.warn(msg);
                 }
-            } catch (BusinessException ex) {
-                log.warn("==MQ CONSUMER {}==, handle biz failed, handler = {}, {}\nevent = {}",
-                        context.getSummary(), handler.getName(), payloadDiffLog, eventLogText, ex);
-                handleException(ex, event.toPrettyJsonString());
             } catch (Exception ex) {
-                log.error("==MQ CONSUMER {}==, handle failed, handler = {}, {}\nevent = {}",
-                        context.getSummary(), handler.getName(), payloadDiffLog, eventLogText, ex);
-                handleException(ex, event.toPrettyJsonString());
+                handleException(EventExceptionContext.builder()
+                        .event(event)
+                        .handlerContext(handler)
+                        .msg(event.toPrettyJsonString())
+                        .exception(ex)
+                        .consumerContext(context)
+                        .build());
             } finally {
                 // stopwatch必须reset()，否则下一次stopwatch.start()会报错
                 stopwatch.reset();
             }
         });
-        if (context.getLogEnabled(event)) {
+        if (getLogEnabled(event, context)) {
             log.info("==MQ CONSUMER {}==, timeCosts = {}, {}\n{}",
                     context.getSummary(), JSON.toJSONString(handleCosts), payloadDiffLog, eventLogText);
         }
@@ -167,7 +170,7 @@ public class EventHandlerRepository  {
      */
     public boolean batch(List<Event> events, EventConsumer.Context context) {
         Stopwatch stopwatch = Stopwatch.createUnstarted();
-        List<EventHandlerHolder> eventHandlers = getEventHandlers(context.getEventCode());
+        List<EventHandlerContext> eventHandlers = getEventHandlers(context.getEventCode(), context);
         eventHandlers.stream().forEach(handler -> {
             try {
                 stopwatch.start();
@@ -178,19 +181,17 @@ public class EventHandlerRepository  {
                 long elapsed = stopwatch.elapsed(TimeUnit.MILLISECONDS);
                 log.info("====MQ CONSUMER BATCH====, handled by {}, cost {} millis", clazzName, elapsed);
 
-                if (elapsed > context.getMaxAllowElapsedMillis()) {
+                if (elapsed > maxAllowElapsedMillis) {
                     String msg = String.format("take too long %d millis for %s to handle %s",
                             elapsed, clazzName, events);
-                    handleException(new BusinessException(ResultCode.PROCESS_TIMEOUT), msg);
+                    log.warn(msg);
                 }
             } catch (BusinessException ex) {
                 String payloads = FastjsonUtils.toJsonPettyLogString(events);
                 log.warn("====MQ CONSUMER BATCH====, handle event warning, event = {}", payloads, ex);
-                handleException(ex, payloads);
             } catch (Exception ex) {
                 String payloads = FastjsonUtils.toJsonPettyLogString(events);
                 log.error("====MQ CONSUMER BATCH====, handle event error, event = {}", payloads, ex);
-                handleException(ex, payloads);
             } finally {
                 // stopwatch必须reset()，否则下一次stopwatch.start()会报错
                 stopwatch.reset();
@@ -206,37 +207,44 @@ public class EventHandlerRepository  {
         return canHandle(event.getEventCode());
     }
 
-    private void handleException(Exception ex, String msg) {
+    private void handleException(EventExceptionContext context) {
         if (exceptionHandler != null) {
-            exceptionHandler.accept(ex, msg);
+            exceptionHandler.accept(context);
         }
     }
 
-    private List<EventHandlerHolder> getEventHandlers(Event.EventCode eventCode) {
+    private List<EventHandlerContext> getEventHandlers(Event.EventCode eventCode, EventConsumer.Context context) {
+        List<EventHandlerContext> eventHandlerHolders;
         if (!isSupportPattern()) {
-            return handlers.get(eventCode);
+            eventHandlerHolders = handlers.get(eventCode);
+        } else {
+            eventHandlerHolders = handlers.keySet().stream()
+                    .filter(key -> antPathMatcher.match(key.toString(), eventCode.toString()))
+                    .flatMap(key -> handlers.get(key).stream())
+                    .collect(Collectors.toList());
         }
-
-        // 支持pattern的时候，返回所有匹配的Handlers
-        return handlers.keySet().stream()
-                .filter(key -> antPathMatcher.match(key.toString(), eventCode.toString()))
-                .flatMap(key -> handlers.get(key).stream())
+        return eventHandlerHolders.stream()
+                .filter(p -> {
+                    if (CollectionUtils.isEmpty(context.getTriggerHandlerKeys()) || Strings.isNullOrEmpty(p.getHandlerKey())) {
+                        return true;
+                    }
+                    return context.getTriggerHandlerKeys().contains(p.getHandlerKey());
+                })
                 .collect(Collectors.toList());
     }
 
+    public boolean getLogEnabled(Event event, EventConsumer.Context context) {
+        if (handlers.containsKey(EventHeaders.DISABLE_LOG_HEADER)) {
+            return false;
+        }
+        // consumer显式声明了日志开关，则直接使用
+        if (logEnabled != null) {
+            return logEnabled && (logFilter == null || logFilter.apply(event));
+        }
+        return logFilter == null || logFilter.apply(event);
+    }
+
     private boolean isSupportPattern() {
         return antPathMatcher != null;
     }
-
-    @Data
-    private static class EventHandlerHolder {
-        String name;
-        EventHandler eventHandler;
-
-        @Builder
-        public EventHandlerHolder(String name, EventHandler eventHandler) {
-            this.name = Optional.ofNullable(Strings.emptyToNull(name)).orElse(eventHandler.getClass().getSimpleName());
-            this.eventHandler = eventHandler;
-        }
-    }
 }
diff --git a/event-support-lib/src/main/java/cn/axzo/foundation/event/support/consumer/RetryableEventConsumer.java b/event-support-lib/src/main/java/cn/axzo/foundation/event/support/consumer/RetryableEventConsumer.java
new file mode 100644
index 0000000..c82d9e5
--- /dev/null
+++ b/event-support-lib/src/main/java/cn/axzo/foundation/event/support/consumer/RetryableEventConsumer.java
@@ -0,0 +1,176 @@
+package cn.axzo.foundation.event.support.consumer;
+
+import cn.axzo.foundation.event.support.Event;
+import cn.axzo.foundation.event.support.EventHandler;
+import cn.axzo.foundation.event.support.EventHandlerContext;
+import cn.axzo.foundation.event.support.EventHeaders;
+import cn.axzo.foundation.exception.BusinessException;
+import com.google.common.base.Charsets;
+import com.google.common.base.Preconditions;
+import com.google.common.base.Strings;
+import com.google.common.collect.ImmutableSet;
+import com.google.common.collect.Maps;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import org.apache.commons.lang3.StringUtils;
+
+import java.time.Instant;
+import java.time.LocalDateTime;
+import java.time.ZoneId;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
+import java.util.concurrent.TimeUnit;
+import java.util.function.Consumer;
+
+
+public class RetryableEventConsumer {
+    EventConsumer eventConsumer;
+    Map<String, RetryEvent> retryContexts = Maps.newConcurrentMap();
+
+    private static final Set<Class<? extends Throwable>> DEFAULT_EXCLUDE_EXCEPTIONS = ImmutableSet.of(BusinessException.class);
+    private static final BackoffPolicy DEFAULT_BACKOFFPOLICY = ExponentialBackOffPolicy.builder().build();
+
+    @Builder
+    public RetryableEventConsumer(Consumer<RetryContext> consumer) {
+        this.eventConsumer = DefaultEventConsumer.builder()
+                .handlerRepository(EventHandlerRepository.builder()
+                        .exceptionHandler(context -> {
+                            context.doPrint();
+                            if (Strings.isNullOrEmpty(context.getHandlerContext().getHandlerKey())) {
+                                return;
+                            }
+                            RetryEvent retryEvent = retryContexts.get(context.getHandlerContext().getHandlerKey());
+                            Set<Class<? extends Throwable>> excludeExceptions = retryEvent.getExcludeExceptions();
+                            if (excludeExceptions.stream().anyMatch(e -> e.isAssignableFrom(context.getException().getClass()))) {
+                                return;
+                            }
+                            Integer currentRetryCount = getRetryCount(context.getConsumerContext());
+
+                            Optional<Long> nextRetryMillis = retryEvent.getBackoffPolicy().getNextRetryMillis(currentRetryCount);
+                            if (!nextRetryMillis.isPresent()) {
+                                return;
+                            }
+                            LocalDateTime nextTriggerTime = Instant.ofEpochMilli(nextRetryMillis.get()).atZone(ZoneId.systemDefault()).toLocalDateTime();
+                            consumer.accept(RetryContext.builder()
+                                    .event(context.getEvent())
+                                    .retryKey(context.getHandlerContext().getHandlerKey())
+                                    .nextTriggerTime(nextTriggerTime)
+                                    .currentRetryCount(currentRetryCount)
+                                    .build());
+                        })
+                        .build())
+                .build();
+    }
+
+    public Boolean registerHandler(RetryEvent retryEvent) {
+        retryContexts.put(retryEvent.getRetryKey(), retryEvent);
+        return eventConsumer.registerHandler(EventHandlerContext.builder()
+                .eventCode(retryEvent.getEventCode())
+                .eventHandler(retryEvent.getEventHandler())
+                .name(retryEvent.getName())
+                .handlerKey(retryEvent.getRetryKey())
+                .build());
+    }
+
+    private Integer getRetryCount(EventConsumer.Context context) {
+        if (context.getHeaders().containsKey(EventHeaders.TRIGGER_HANDLER_KEYS)) {
+            return Integer.parseInt(new String(context.getHeaders().get(EventHeaders.TRIGGER_HANDLER_KEYS), Charsets.UTF_8));
+        }
+        //默认从0开始
+        return 0;
+    }
+
+    @Data
+    @Builder
+    @NoArgsConstructor
+    @AllArgsConstructor
+    public static class RetryContext {
+        Event event;
+        String retryKey;
+        /** 下一次触发的时间 */
+        LocalDateTime nextTriggerTime;
+        /** 下一次延迟的毫秒数 */
+        Long nextDelayMillis;
+        /** 当前重试次数 */
+        Integer currentRetryCount;
+
+        public Integer getNextRetryCount() {
+            return currentRetryCount + 1;
+        }
+    }
+
+    @Data
+    public static class RetryEvent {
+        String retryKey;
+        String name;
+        Event.EventCode eventCode;
+        EventHandler eventHandler;
+        Set<Class<? extends Throwable>> excludeExceptions;
+        BackoffPolicy backoffPolicy;
+
+        @Builder
+        public RetryEvent(String retryKey, String name, Event.EventCode eventCode, EventHandler eventHandler, Set<Class<? extends Throwable>> excludeExceptions, BackoffPolicy backoffPolicy) {
+            Preconditions.checkArgument(StringUtils.isNotBlank(retryKey));
+            Preconditions.checkNotNull(eventCode);
+            Preconditions.checkNotNull(eventHandler);
+
+            this.retryKey = retryKey;
+            this.name = name;
+            this.eventCode = eventCode;
+            this.eventHandler = eventHandler;
+            this.excludeExceptions = Optional.ofNullable(excludeExceptions).orElse(DEFAULT_EXCLUDE_EXCEPTIONS);
+            this.backoffPolicy = Optional.ofNullable(backoffPolicy).orElse(DEFAULT_BACKOFFPOLICY);
+        }
+    }
+
+    interface BackoffPolicy {
+        Optional<Long> getNextRetryMillis(int retryCount);
+    }
+
+    /**
+     * delay task执行的重试策略. 每次都按照上次重试的时间间隔指数增长.
+     * 比如第一次1分钟, 第二次2分钟, 第三次4分钟, 第四次8分钟.
+     * 参考Spring retry的定义
+     * https://github.com/spring-projects/spring-retry/tree/master/src/main/java/org/springframework/retry/backoff
+     */
+
+    @NoArgsConstructor
+    @Data
+    @Builder
+    static class ExponentialBackOffPolicy implements BackoffPolicy {
+        /**
+         * 指数时间. 建议2
+         */
+        private Double multiplier;
+        /**
+         * 重试的间隔. 后续会按照这个间隔* multiplier的指数计算间隔时间
+         */
+        private Long intervalMillis;
+        private Long maxIntervalMillis;
+
+        @Builder
+        public ExponentialBackOffPolicy(Double multiplier, Long intervalMillis, Long maxIntervalMillis) {
+            this.multiplier = Optional.ofNullable(multiplier).orElse(2D);
+            this.intervalMillis = Optional.ofNullable(intervalMillis).orElse(TimeUnit.MINUTES.toMillis(1));
+            this.maxIntervalMillis = Optional.ofNullable(maxIntervalMillis).orElse(TimeUnit.DAYS.toMillis(2));
+
+            Preconditions.checkArgument(this.multiplier >= 1);
+            Preconditions.checkArgument(this.intervalMillis >= TimeUnit.SECONDS.toMillis(10)
+                    && this.intervalMillis <= TimeUnit.DAYS.toMillis(1));
+            Preconditions.checkArgument(this.maxIntervalMillis >= TimeUnit.MINUTES.toMillis(10)
+                    && this.maxIntervalMillis <= TimeUnit.DAYS.toMillis(10));
+        }
+
+
+        public Optional<Long> getNextRetryMillis(int retryCount) {
+            Long interval = (long) (intervalMillis * Math.pow(multiplier, retryCount));
+            if (interval > maxIntervalMillis) {
+                return Optional.empty();
+            }
+            return Optional.of(interval);
+        }
+    }
+}
diff --git a/event-support-lib/src/main/java/cn/axzo/foundation/event/support/consumer/RocketRetryableEventConsumer.java b/event-support-lib/src/main/java/cn/axzo/foundation/event/support/consumer/RocketRetryableEventConsumer.java
new file mode 100644
index 0000000..1aa3404
--- /dev/null
+++ b/event-support-lib/src/main/java/cn/axzo/foundation/event/support/consumer/RocketRetryableEventConsumer.java
@@ -0,0 +1,60 @@
+package cn.axzo.foundation.event.support.consumer;
+
+import cn.axzo.foundation.event.support.EventHeaders;
+import cn.axzo.foundation.event.support.producer.EventProducer;
+import cn.axzo.foundation.event.support.producer.RocketMQEventProducer;
+import com.google.common.base.Preconditions;
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.ImmutableRangeMap;
+import com.google.common.collect.Range;
+import com.google.common.collect.RangeMap;
+
+import java.util.concurrent.TimeUnit;
+
+
+public class RocketRetryableEventConsumer extends RetryableEventConsumer {
+
+    /**
+     * rocketMq延迟级别
+     * key = 延迟级别,
+     * https://rocketmq.apache.org/zh/docs/4.x/producer/04message3
+     */
+    private static final RangeMap<Long, Integer> LEVEL_MAP = ImmutableRangeMap.<Long, Integer>builder()
+            .put(Range.openClosed(0L, TimeUnit.SECONDS.toMillis(1)), 1)
+            .put(Range.openClosed(TimeUnit.SECONDS.toMillis(1), TimeUnit.SECONDS.toMillis(5)), 2)
+            .put(Range.openClosed(TimeUnit.SECONDS.toMillis(5), TimeUnit.SECONDS.toMillis(10)), 3)
+            .put(Range.openClosed(TimeUnit.SECONDS.toMillis(10), TimeUnit.SECONDS.toMillis(30)), 4)
+            .put(Range.openClosed(TimeUnit.SECONDS.toMillis(30), TimeUnit.MINUTES.toMillis(1)), 5)
+            .put(Range.openClosed(TimeUnit.MINUTES.toMillis(1), TimeUnit.MINUTES.toMillis(2)), 6)
+            .put(Range.openClosed(TimeUnit.MINUTES.toMillis(2), TimeUnit.MINUTES.toMillis(3)), 7)
+            .put(Range.openClosed(TimeUnit.MINUTES.toMillis(3), TimeUnit.MINUTES.toMillis(4)), 8)
+            .put(Range.openClosed(TimeUnit.MINUTES.toMillis(4), TimeUnit.MINUTES.toMillis(5)), 9)
+            .put(Range.openClosed(TimeUnit.MINUTES.toMillis(5), TimeUnit.MINUTES.toMillis(6)), 10)
+            .put(Range.openClosed(TimeUnit.MINUTES.toMillis(6), TimeUnit.MINUTES.toMillis(7)), 11)
+            .put(Range.openClosed(TimeUnit.MINUTES.toMillis(7), TimeUnit.MINUTES.toMillis(8)), 12)
+            .put(Range.openClosed(TimeUnit.MINUTES.toMillis(8), TimeUnit.MINUTES.toMillis(9)), 13)
+            .put(Range.openClosed(TimeUnit.MINUTES.toMillis(9), TimeUnit.MINUTES.toMillis(10)), 14)
+            .put(Range.openClosed(TimeUnit.MINUTES.toMillis(10), TimeUnit.MINUTES.toMillis(20)), 15)
+            .put(Range.openClosed(TimeUnit.MINUTES.toMillis(20), TimeUnit.MINUTES.toMillis(30)), 16)
+            .put(Range.openClosed(TimeUnit.MINUTES.toMillis(30), TimeUnit.MINUTES.toMillis(60)), 17)
+            .put(Range.openClosed(TimeUnit.MINUTES.toMillis(60), Long.MAX_VALUE), 18)
+            .build();
+
+    public RocketRetryableEventConsumer(EventProducer eventProducer, String retryTopic) {
+        super(retryContext -> {
+            /** 将延迟毫秒转换为rocketMq的延迟级别 */
+            Integer delayLevel = LEVEL_MAP.get(retryContext.getNextDelayMillis());
+
+            eventProducer.send(retryContext.getEvent(), EventProducer.Context.builder()
+                    .headers(ImmutableMap.of(EventHeaders.TRIGGER_HANDLER_KEYS, retryContext.getRetryKey(),
+                            EventHeaders.RETRY_COUNT, retryContext.getNextRetryCount() + ""))
+                    .meta(RocketMQEventProducer.RocketMQMessageMeta.builder()
+                            .delayLevel(delayLevel)
+                            .topic(retryTopic)
+                            .build())
+                    .build());
+        });
+        Preconditions.checkNotNull(retryTopic);
+        Preconditions.checkNotNull(eventProducer);
+    }
+}
diff --git a/event-support-lib/src/main/java/cn/axzo/foundation/event/support/producer/EventProducer.java b/event-support-lib/src/main/java/cn/axzo/foundation/event/support/producer/EventProducer.java
index fff41be..1f93d58 100644
--- a/event-support-lib/src/main/java/cn/axzo/foundation/event/support/producer/EventProducer.java
+++ b/event-support-lib/src/main/java/cn/axzo/foundation/event/support/producer/EventProducer.java
@@ -1,6 +1,8 @@
 package cn.axzo.foundation.event.support.producer;
 
 import cn.axzo.foundation.event.support.Event;
+import cn.axzo.foundation.event.support.EventHeaders;
+import cn.axzo.foundation.event.support.consumer.DefaultEventConsumer;
 import com.google.common.base.Strings;
 import com.google.common.collect.Maps;
 import com.google.common.io.BaseEncoding;
@@ -47,19 +49,12 @@ public interface EventProducer<Meta> {
         /**
          * header中传递该值，建议调用方关闭当前事件的log打印，一般是数量较多的事件
          */
-        public static final String DISABLE_LOG_HEADER = "disableLog";
 
         /**
          * 存储发送消息需要的一些元数据, 例如rabbitMq的exchange, routingKey等
          */
         private Meta meta;
 
-        /**
-         * 指定的schemahash. 如果context指定了schemahash, 就不会再计算每个event的schemaHash.
-         * 解决计算schemahash需要消耗资源问题.
-         */
-        String schemaHash;
-
         /**
          * 发送消息需要附加的请求头
          */
@@ -108,12 +103,12 @@ public interface EventProducer<Meta> {
             if (this.headers == null) {
                 this.headers = Maps.newHashMap();
             }
-            this.headers.put(DISABLE_LOG_HEADER, Boolean.TRUE.toString());
+            this.headers.put(EventHeaders.DISABLE_LOG_HEADER, Boolean.TRUE.toString());
             return (Context<Meta>) this;
         }
 
         public Boolean logEnabled() {
-            return headers == null || headers.isEmpty() || !BooleanUtils.toBoolean(headers.getOrDefault(DISABLE_LOG_HEADER, ""));
+            return headers == null || headers.isEmpty() || !BooleanUtils.toBoolean(headers.getOrDefault(EventHeaders.DISABLE_LOG_HEADER, ""));
         }
     }
 
diff --git a/event-support-lib/src/main/java/cn/axzo/foundation/event/support/producer/KafkaEventProducer.java b/event-support-lib/src/main/java/cn/axzo/foundation/event/support/producer/KafkaEventProducer.java
index eb6695e..1c9063e 100644
--- a/event-support-lib/src/main/java/cn/axzo/foundation/event/support/producer/KafkaEventProducer.java
+++ b/event-support-lib/src/main/java/cn/axzo/foundation/event/support/producer/KafkaEventProducer.java
@@ -1,6 +1,7 @@
 package cn.axzo.foundation.event.support.producer;
 
 import cn.axzo.foundation.event.support.Event;
+import cn.axzo.foundation.event.support.EventHeaders;
 import cn.axzo.foundation.util.UUIDBuilder;
 import com.google.common.base.Charsets;
 import com.google.common.base.Strings;
@@ -79,7 +80,7 @@ public class KafkaEventProducer extends AbstractEventProducer {
                         .forEach(entry -> producerRecord.headers().add(entry.getKey(), entry.getValue().getBytes(Charsets.UTF_8)));
             }
             // 将eventCode放入header，以便快速过滤自己不关注的信息
-            producerRecord.headers().add("eventCode", event.getEventCode().toString().getBytes());
+            producerRecord.headers().add(EventHeaders.EVENT_CODE, event.getEventCode().toString().getBytes());
 
             //没有添加自定义的header. 后续有要求再添加
 
diff --git a/event-support-lib/src/main/java/cn/axzo/foundation/event/support/producer/LocalEventProducer.java b/event-support-lib/src/main/java/cn/axzo/foundation/event/support/producer/LocalEventProducer.java
index 2892cec..c38b266 100644
--- a/event-support-lib/src/main/java/cn/axzo/foundation/event/support/producer/LocalEventProducer.java
+++ b/event-support-lib/src/main/java/cn/axzo/foundation/event/support/producer/LocalEventProducer.java
@@ -1,11 +1,11 @@
 package cn.axzo.foundation.event.support.producer;
 
 import cn.axzo.foundation.event.support.Event;
+import cn.axzo.foundation.event.support.EventHeaders;
 import cn.axzo.foundation.event.support.consumer.EventConsumer;
 import cn.axzo.foundation.util.UUIDBuilder;
 import com.google.common.base.Charsets;
 import com.google.common.base.Strings;
-import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.Maps;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -67,10 +67,11 @@ public class LocalEventProducer extends AbstractEventProducer {
                         .forEach(entry -> headers.put(entry.getKey(), entry.getValue().getBytes(Charsets.UTF_8)));
             }
             // 将eventCode放入header，以便快速过滤自己不关注的信息
-            headers.put("eventCode", event.getEventCode().toString().getBytes());
+            headers.put(EventHeaders.EVENT_CODE, event.getEventCode().toString().getBytes());
 
             Runnable sender = () -> eventConsumer.onEvent(event.toJsonString(), EventConsumer.Context.builder()
-                    .eventCode(event.getEventCode()).headers(headers).ext(ImmutableMap.of()).build());
+                            .topic("local")
+                    .eventCode(event.getEventCode()).headers(headers).build());
             //提交到executor, 并延迟50ms. 模拟线上produce 到 sender的时间
             executor.schedule(sender, 50, TimeUnit.MILLISECONDS);
         };
diff --git a/event-support-lib/src/main/java/cn/axzo/foundation/event/support/producer/RocketMQEventProducer.java b/event-support-lib/src/main/java/cn/axzo/foundation/event/support/producer/RocketMQEventProducer.java
index 43bb4a4..aa9074d 100644
--- a/event-support-lib/src/main/java/cn/axzo/foundation/event/support/producer/RocketMQEventProducer.java
+++ b/event-support-lib/src/main/java/cn/axzo/foundation/event/support/producer/RocketMQEventProducer.java
@@ -1,6 +1,7 @@
 package cn.axzo.foundation.event.support.producer;
 
 import cn.axzo.foundation.event.support.Event;
+import cn.axzo.foundation.event.support.EventHeaders;
 import cn.axzo.foundation.util.UUIDBuilder;
 import com.alibaba.fastjson.JSON;
 import com.alibaba.fastjson.JSONObject;
@@ -18,7 +19,6 @@ import org.apache.rocketmq.client.producer.SendCallback;
 import org.apache.rocketmq.client.producer.SendResult;
 import org.apache.rocketmq.common.message.MessageConst;
 import org.apache.rocketmq.spring.core.RocketMQTemplate;
-import org.springframework.core.task.TaskExecutor;
 import org.springframework.messaging.MessageHeaders;
 import org.springframework.messaging.support.MessageBuilder;
 import org.springframework.util.MimeTypeUtils;
@@ -40,7 +40,6 @@ public class RocketMQEventProducer extends AbstractEventProducer {
                                  String defaultModule,
                                  String appName,
                                  Context<RocketMQMessageMeta> defaultContext,
-                                 @Deprecated TaskExecutor taskExecutor,
                                  BiConsumer<Event, Context<RocketMQMessageMeta>> sendCallback) {
         super(defaultContext);
         this.defaultModule = defaultModule;
@@ -80,7 +79,7 @@ public class RocketMQEventProducer extends AbstractEventProducer {
             }
             // 将eventCode放入header，以便快速过滤自己不关注的信息
             Event.EventCode eventCode = event.getEventCode();
-            messageBuilder.setHeaderIfAbsent("eventCode", eventCode.toString());
+            messageBuilder.setHeaderIfAbsent(EventHeaders.EVENT_CODE, eventCode.toString());
 
             final String eventLogText = context.logEnabled() ? event.toPrettyJsonString() : "";
             // 使用lamda构造diff, 解决在rocketMQTemplate.asyncSendOrderly中访问的编译问题.
@@ -123,10 +122,10 @@ public class RocketMQEventProducer extends AbstractEventProducer {
 
             if (context.getSyncSending()) {
                 // 同步发送
-                doSyncSend(destination, messageBuilder, shardingKey, callback);
+                doSyncSend(destination, messageBuilder, shardingKey, callback, context.getMeta().getDelayLevel());
             } else {
                 // 异步发送
-                doAsyncSend(destination, messageBuilder, shardingKey, callback);
+                doAsyncSend(destination, messageBuilder, shardingKey, callback, context.getMeta().getDelayLevel());
             }
         };
     }
@@ -161,21 +160,27 @@ public class RocketMQEventProducer extends AbstractEventProducer {
                 }
             };
 
+            Integer delayLevel = context.getMeta().getDelayLevel();
             if (context.getSyncSending()) {
                 // 同步发送
-                doSyncSend(destination, messageBuilder, shardingKey, callback);
+                doSyncSend(destination, messageBuilder, shardingKey, callback, delayLevel);
             } else {
                 // 异步发送
-                doAsyncSend(destination, messageBuilder, shardingKey, callback);
+                doAsyncSend(destination, messageBuilder, shardingKey, callback, delayLevel);
             }
         };
     }
 
     private void doSyncSend(String destination, MessageBuilder<?> messageBuilder,
-                            String shardingKey, SendCallback callback) {
+                            String shardingKey, SendCallback callback, Integer delayLevel) {
         try {
-            // 同步发送超时时间支持在properties中设置
-            SendResult sendResult = rocketMQTemplate.syncSendOrderly(destination, messageBuilder.build(), shardingKey);
+            SendResult sendResult;
+            if (delayLevel != null) {
+                sendResult = rocketMQTemplate.syncSend(destination, messageBuilder.build(), 10000L, delayLevel);
+            } else {
+                // 同步发送超时时间支持在properties中设置
+                sendResult = rocketMQTemplate.syncSendOrderly(destination, messageBuilder.build(), shardingKey);
+            }
             callback.onSuccess(sendResult);
         } catch (Throwable e) {
             callback.onException(e);
@@ -185,9 +190,13 @@ public class RocketMQEventProducer extends AbstractEventProducer {
     }
 
     private void doAsyncSend(String destination, MessageBuilder<?> messageBuilder,
-                             String shardingKey, SendCallback callback) {
-        // 异步发送
-        rocketMQTemplate.asyncSendOrderly(destination, messageBuilder.build(), shardingKey, callback);
+                             String shardingKey, SendCallback callback, Integer delayLevel) {
+        if (delayLevel != null) {
+            rocketMQTemplate.asyncSend(destination, messageBuilder.build(), callback, 10000L, delayLevel);
+        } else {
+            // 异步发送
+            rocketMQTemplate.asyncSendOrderly(destination, messageBuilder.build(), shardingKey, callback);
+        }
     }
 
     /**
@@ -230,13 +239,17 @@ public class RocketMQEventProducer extends AbstractEventProducer {
          */
         private String destination;
 
+        /** 延迟级别 */
+        private Integer delayLevel;
+
         @Builder
-        public RocketMQMessageMeta(String topic, String tag, String shardingKey, String destination) {
+        public RocketMQMessageMeta(String topic, String tag, String shardingKey, String destination, Integer delayLevel) {
             Preconditions.checkArgument(!Strings.isNullOrEmpty(topic), "topic不能为空");
             this.topic = topic;
             this.tag = tag;
             this.shardingKey = shardingKey;
             this.destination = destination;
+            this.delayLevel = delayLevel;
         }
 
         private String buildDestination(String eventName) {
diff --git a/event-support-lib/src/main/java/cn/axzo/foundation/event/utils/PayloadUtils.java b/event-support-lib/src/main/java/cn/axzo/foundation/event/support/utils/PayloadUtils.java
similarity index 98%
rename from event-support-lib/src/main/java/cn/axzo/foundation/event/utils/PayloadUtils.java
rename to event-support-lib/src/main/java/cn/axzo/foundation/event/support/utils/PayloadUtils.java
index 75768db..dce4259 100644
--- a/event-support-lib/src/main/java/cn/axzo/foundation/event/utils/PayloadUtils.java
+++ b/event-support-lib/src/main/java/cn/axzo/foundation/event/support/utils/PayloadUtils.java
@@ -1,4 +1,4 @@
-package cn.axzo.foundation.event.utils;
+package cn.axzo.foundation.event.support.utils;
 
 import cn.axzo.foundation.event.support.PayloadDifferentiator;
 import cn.axzo.foundation.util.FastjsonUtils;