szx-1241 增加日志

servers/boe-server-all/src/main/java/com/xboe/module/course/dao/CourseTeacherDao.java

@@ -1,19 +1,27 @@
 package com.xboe.module.course.dao;
 
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Repository;
 
 import com.xboe.core.orm.BaseDao;
 import com.xboe.module.course.entity.CourseTeacher;
 
+import java.util.Collections;
 import java.util.List;
 
+@Slf4j
 @Repository
 public class CourseTeacherDao extends BaseDao<CourseTeacher> {
 	
 	//List<CourseTeacher>
 
     public List<CourseTeacher> findByCourseId(String courseId) {
+        try {
             return sqlFindList("SELECT * FROM boe_course_teacher WHERE course_id = ?1", courseId);
+        } catch (Exception e) {
+            log.warn("查询课程教师列表失败", e);
+            return Collections.emptyList();
+        }
     }
 
 }