diff --git a/app/src/main/java/cc/niushuai/dididone/biz/dao/RecordDao.java b/app/src/main/java/cc/niushuai/dididone/biz/dao/RecordDao.java
index fa5fb75..7dd23c0 100644
--- a/app/src/main/java/cc/niushuai/dididone/biz/dao/RecordDao.java
+++ b/app/src/main/java/cc/niushuai/dididone/biz/dao/RecordDao.java
@@ -49,4 +49,7 @@ public interface RecordDao {
     Flowable<List<Record>> queryByCheckDate(long startDate, long endDate);
     @Query("select * from t_record where deleted = 0 and project_id = :projectId and check_date >= :startDate and check_date <= :endDate order by check_date desc")
     Flowable<List<Record>> queryByProjectAndDate(Long projectId, long startDate, long endDate);
+
+    @Query("update t_record set deleted = 1 where project_id = :projectId")
+    void deleteByProjectId(Long projectId);
 }
diff --git a/app/src/main/java/cc/niushuai/dididone/ui/calendar/CalendarFragment.java b/app/src/main/java/cc/niushuai/dididone/ui/calendar/CalendarFragment.java
index 1d6158c..2e5ebce 100644
--- a/app/src/main/java/cc/niushuai/dididone/ui/calendar/CalendarFragment.java
+++ b/app/src/main/java/cc/niushuai/dididone/ui/calendar/CalendarFragment.java
@@ -121,6 +121,9 @@ public class CalendarFragment extends BaseFragment {
                             .map(Record::getCheckDate)
                             .map(item -> DateUtil.date(item).toDateStr())
                             .collect(Collectors.toList());
+                    if (binding == null) {
+                        return;
+                    }
 
                     InnerPainter painter = (InnerPainter) binding.miui10Calendar.getCalendarPainter();
                     painter.setPointList(checkDateList);
diff --git a/app/src/main/java/cc/niushuai/dididone/ui/setting/project/ProjectFragment.java b/app/src/main/java/cc/niushuai/dididone/ui/setting/project/ProjectFragment.java
index 31c5ba1..becca67 100644
--- a/app/src/main/java/cc/niushuai/dididone/ui/setting/project/ProjectFragment.java
+++ b/app/src/main/java/cc/niushuai/dididone/ui/setting/project/ProjectFragment.java
@@ -135,6 +135,11 @@ public class ProjectFragment extends Fragment implements InitAndSetListener {
                         .setTitle(StrUtil.format("确定要删除 [{}]", item.getProjectName()))
                         .setIcon(new IconicsDrawable(getContext()).icon(Ionicons.Icon.ion_android_warning).color(Color.RED))
                         .setPositiveButton("确定", (dialog, which) -> {
+
+
+                            // 是否级联删除打卡项
+                            confirmDeleteProjectRecord(item);
+                            XLog.d("删除 {} 打卡项", item.getProjectName());
                             // 删除
                             deleteProject(item);
                             // 更新视图
@@ -147,6 +152,21 @@ public class ProjectFragment extends Fragment implements InitAndSetListener {
 
                 return true;
             }
+
+            private void confirmDeleteProjectRecord( ProjectIcon item) {
+                // 再次弹出是否级联删除选项
+                AlertDialog projectItemAlertDialog = new AlertDialog.Builder(getContext())
+                        .setTitle(StrUtil.format("是否要删除 [{}] 已打卡记录?", item.getProjectName()))
+                        .setIcon(new IconicsDrawable(getContext()).icon(Ionicons.Icon.ion_android_warning).color(Color.RED))
+                        .setPositiveButton("确定", (dialog, which) -> {
+
+                            XLog.d("删除 {} 已打卡记录", item.getProjectName());
+                            DBManager.INSTANCE.recordDao().deleteByProjectId(item.getId());
+                        })
+                        .setNegativeButton("取消", ((dialog, which) -> dialog.dismiss()))
+                        .create();
+                projectItemAlertDialog.show();
+            }
         });
     }