更新！

src/main/java/com/github/microservice/models/gateDoor/OnLineModel.java

@@ -16,7 +16,7 @@ import lombok.NoArgsConstructor;
 public class OnLineModel extends IotBaseResult {
 
     @Schema(description = "消息ID")
-    private Long messageId = 0L;
+    private String messageId = "";
 
     @Schema(description = "消息类型")
     private String operator = "Online-Ack";