fix

cooleshow-user/user-teacher/src/main/java/com/yonge/cooleshow/teacher/controller/TeacherController.java

@@ -153,7 +153,7 @@ public class TeacherController extends BaseController {
             return failed("用户信息获取失败");
         }
         if (subjectId == null) {
-            return failed("声部id不能为空");
+            return succeed();
         }
         Teacher teacher = new Teacher();
         teacher.setUserId(sysUser.getId());