diff --git a/link_homework/internal/logic/homework/homework.go b/link_homework/internal/logic/homework/homework.go
index 9c4fda1..5b5801e 100644
--- a/link_homework/internal/logic/homework/homework.go
+++ b/link_homework/internal/logic/homework/homework.go
@@ -40,6 +40,7 @@ func (s *sHomework) GetHomeworkList(ctx context.Context, pageNo int, pageSize in
 }
 
 func (s *sHomework) AddHomework(ctx context.Context, req *homework.AddHomeworkReq) (err error) {
+	// 判断作业是否已结束
 	status := 0
 	if req.StartDate.Before(gtime.Now()) {
 		if req.EndDate.Before(gtime.Now()) {
@@ -49,7 +50,7 @@ func (s *sHomework) AddHomework(ctx context.Context, req *homework.AddHomeworkRe
 		}
 	}
 	var Id int64
-	if req.ArticleId == 0 {
+	if req.ArticleId == 0 { // 关联文章
 		Id, err = dao.ActivityInteractiveGroup.Ctx(ctx).Data(do.ActivityInteractiveGroup{
 			Name:      req.Name,
 			Status:    status,
@@ -58,7 +59,7 @@ func (s *sHomework) AddHomework(ctx context.Context, req *homework.AddHomeworkRe
 			StartDate: req.StartDate,
 			EndDate:   req.EndDate,
 		}).InsertAndGetId()
-	} else if req.LiveId == 0 {
+	} else if req.LiveId == 0 { // 关联直播
 		Id, err = dao.ActivityInteractiveGroup.Ctx(ctx).Data(do.ActivityInteractiveGroup{
 			Name:      req.Name,
 			Status:    status,
@@ -70,6 +71,7 @@ func (s *sHomework) AddHomework(ctx context.Context, req *homework.AddHomeworkRe
 	} else {
 		return fmt.Errorf("不能同时关联文章和直播！")
 	}
+	// 添加所有题目
 	for _, v := range req.Questions {
 		_, err = dao.ActivityInteractiveForm.Ctx(ctx).Data(do.ActivityInteractiveForm{
 			Name:        req.Name,
@@ -84,15 +86,18 @@ func (s *sHomework) AddHomework(ctx context.Context, req *homework.AddHomeworkRe
 }
 
 func (s *sHomework) EditHomework(ctx context.Context, req *homework.EditHomeworkReq) (err error) {
+	// 判断作业是否已结束
 	var nowhomework *entity.ActivityInteractiveGroup
 	err = dao.ActivityInteractiveGroup.Ctx(ctx).WherePri(req.Id).Scan(&nowhomework)
 	if nowhomework.EndDate.Before(gtime.Now()) {
 		return fmt.Errorf("作业已结束，无法修改！")
 	} else {
+		// 判断作业是否已开始
 		flag := true
 		if nowhomework.StartDate.Before(gtime.Now()) {
 			flag = false
 		}
+		// 判断提交修改表单状态
 		status := 0
 		if req.StartDate.Before(gtime.Now()) {
 			if req.EndDate.Before(gtime.Now()) {
@@ -101,6 +106,7 @@ func (s *sHomework) EditHomework(ctx context.Context, req *homework.EditHomework
 				status = 1
 			}
 		}
+		// 判断是否关联文章或直播
 		if req.ArticleId == 0 {
 			_, err = g.Model("activity_interactive_group").Data(g.Map{
 				"name":       req.Name,
@@ -124,7 +130,7 @@ func (s *sHomework) EditHomework(ctx context.Context, req *homework.EditHomework
 		} else {
 			return fmt.Errorf("不能同时关联文章和直播！")
 		}
-		if flag {
+		if flag { // 未开始
 			_, err = dao.ActivityInteractiveForm.Ctx(ctx).Where("group_id", req.Id).Delete()
 			for _, v := range req.Questions {
 				_, err = dao.ActivityInteractiveForm.Ctx(ctx).Data(do.ActivityInteractiveForm{
@@ -136,7 +142,7 @@ func (s *sHomework) EditHomework(ctx context.Context, req *homework.EditHomework
 					GroupId:     req.Id,
 				}).Insert()
 			}
-		} else {
+		} else { // 已开始
 			for _, v := range req.Questions {
 				_, err = dao.ActivityInteractiveForm.Ctx(ctx).Data(do.ActivityInteractiveForm{
 					Name:        req.Name,