--update query();

src/main/java/com/ekexiu/portal/service/LeaveWordService.java

		if(!leaveWords.isEmpty()){
			for (LeaveWord leaveWord : leaveWords) {
				EditProfessor professor = this.professorDao.queryBaseInfo(con, leaveWord.getSender());
				professor.setHasHeadImage(this.imageService.hasProfessorImage(leaveWord.getSender()));
				if(professor != null){
					professor.setHasHeadImage(this.imageService.hasProfessorImage(leaveWord.getSender()));
				}
				leaveWord.setProfessor(professor);
			}
		}