提交教师的修改，增加日志打印

servers/boe-server-all/src/main/java/com/xboe/module/teacher/api/TeacherApi.java

@@ -288,7 +288,8 @@ public class TeacherApi extends ApiBaseController {
         try {
             service.updateTeacher(teacher);
         } catch (Exception e) {
-            return error(e.getMessage());
+        	log.error("修改教师数据错误",e);
+            return error("保存失败",e.getMessage());
         }
         return success(teacher);
     }

servers/boe-server-all/src/main/java/com/xboe/module/teacher/service/impl/TeacherServiceImpl.java

@@ -217,6 +217,7 @@ public class TeacherServiceImpl implements ITeacherService {
     }
 
     @Override
+    @Transactional
     public void delete(String id) {
         dao.deleteById(id);
     }