update

mec-im/src/main/java/com/ym/pojo/CustomMessage.java

@@ -47,8 +47,7 @@ public class CustomMessage extends BaseMessage {
 
     @Override
     public String toString() {
-        return "CustomMessage{" +
-                "enable=" + enable +
+        return "{enable=" + enable +
                 ", customType=" + customType +
                 ", rate=" + rate +
                 ", userId=" + userId +