diff --git a/backend/app/services/content_test.go b/backend/app/services/content_test.go
index eccd99d..e34235b 100644
--- a/backend/app/services/content_test.go
+++ b/backend/app/services/content_test.go
@@ -265,6 +265,25 @@ func (s *ContentTestSuite) Test_Interact() {
 			So(err, ShouldBeNil)
 			So(len(favs), ShouldEqual, 0)
 		})
+
+		Convey("should reject interactions for unpublished content", func() {
+			other := &models.User{Username: "user_act2", Phone: "13900000099"}
+			models.UserQuery.WithContext(ctx).Create(other)
+
+			draft := &models.Content{
+				TenantID: 1,
+				UserID:   u.ID,
+				Title:    "Draft Content",
+				Status:   consts.ContentStatusDraft,
+			}
+			models.ContentQuery.WithContext(ctx).Create(draft)
+
+			err := Content.AddLike(ctx, tenantID, other.ID, draft.ID)
+			So(err, ShouldNotBeNil)
+
+			err = Content.AddFavorite(ctx, tenantID, other.ID, draft.ID)
+			So(err, ShouldNotBeNil)
+		})
 	})
 }