event标识以topic中的为准

src/main/java/org/jetlinks/protocol/official/TopicMessageCodec.java

@@ -24,7 +24,24 @@ public enum TopicMessageCodec {
     //上报属性数据
     reportProperty("/*/properties/report", ReportPropertyMessage.class),
     //事件上报
-    event("/*/event/*", EventMessage.class),
+    event("/*/event/*", EventMessage.class) {
+        @Override
+        Publisher<DeviceMessage> doDecode(ObjectMapper mapper, String[] topic, byte[] payload) {
+            String event = topic[topic.length - 1];
+
+            return Mono.from(super.doDecode(mapper, topic, payload))
+                       .cast(EventMessage.class)
+                       .doOnNext(e -> e.setEvent(event))
+                       .cast(DeviceMessage.class);
+        }
+
+        @Override
+        void refactorTopic(String[] topics, DeviceMessage message) {
+            super.refactorTopic(topics, message);
+            EventMessage event = ((EventMessage) message);
+            topics[topics.length - 1] = String.valueOf(event.getEvent());
+        }
+    },
     //读取属性
     readProperty("/*/properties/read", ReadPropertyMessage.class),
     //读取属性回复

src/test/java/org/jetlinks/protocol/official/TopicMessageCodecTest.java

@@ -2,6 +2,8 @@ package org.jetlinks.protocol.official;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
 import org.jetlinks.core.message.ChildDeviceMessage;
+import org.jetlinks.core.message.DeviceMessage;
+import org.jetlinks.core.message.event.EventMessage;
 import org.jetlinks.core.message.property.ReportPropertyMessage;
 import org.junit.Test;
 import reactor.test.StepVerifier;
@@ -41,4 +43,21 @@ public class TopicMessageCodecTest {
         testChild(ObjectMappers.JSON_MAPPER);
         testChild(ObjectMappers.CBOR_MAPPER);
     }
+
+    @Test
+    public void testEvent() {
+        EventMessage eventMessage = new EventMessage();
+        eventMessage.setEvent("test");
+        eventMessage.setDeviceId("test-device");
+        eventMessage.setData("123");
+
+        TopicPayload payload = TopicMessageCodec.encode(ObjectMappers.JSON_MAPPER, eventMessage);
+        assertEquals(payload.getTopic(), "/test-device/event/test");
+
+
+        DeviceMessage msg = TopicMessageCodec
+                .decode(ObjectMappers.JSON_MAPPER, payload.getTopic(), payload.getPayload())
+                .blockLast();
+        assertEquals(msg.toJson(),eventMessage.toJson());
+    }
 }