还原，提交错分支了

mec-im/src/main/java/com/ym/mec/im/BaseMessage.java

@@ -2,6 +2,9 @@ package com.ym.mec.im;
 
 import com.alibaba.fastjson.JSONObject;
 
+/**
+ * Created by weiqinxiao on 2019/3/1.
+ */
 public abstract class BaseMessage {
 
     public abstract String getObjectName();

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

@@ -132,22 +132,4 @@ public class MusicScoreMessage {
     public void setUrl(String url) {
         this.url = url;
     }
-
-    @Override
-    public String toString() {
-        return "MusicScoreMessage{" +
-                "id=" + id +
-                ", examSongId=" + examSongId +
-                ", subjectId=" + subjectId +
-                ", subjectName='" + subjectName + '\'' +
-                ", mp3Url='" + mp3Url + '\'' +
-                ", speed=" + speed +
-                ", xmlUrl='" + xmlUrl + '\'' +
-                ", examSongName='" + examSongName + '\'' +
-                ", categoriesName='" + categoriesName + '\'' +
-                ", categoriesId=" + categoriesId +
-                ", type='" + type + '\'' +
-                ", url='" + url + '\'' +
-                '}';
-    }
 }