修改Bug 隐患治理消息通知中存在null 的问题

amos-boot-module/amos-boot-module-biz/amos-boot-module-supervision-biz/src/main/java/com/yeejoin/amos/supervision/core/async/AsyncTask.java

@@ -191,6 +191,7 @@ public class AsyncTask {
 		if (pointName != null) {
 			body += "关联检查点：" + pointName + TAB;
 		}
+		body = body.replaceAll(null, "").replaceAll("null", "");
 		saveAndSendMsg(orgCode, informerList, msgTypeEnum.getTitle(), body, msgTypeEnum.getMsgType(), latentDangerId, state,"");
 	}