diff --git a/tests/sidebar/ut_bookmarkwidget.cpp b/tests/sidebar/ut_bookmarkwidget.cpp
index aca38fc5..219c72a5 100644
--- a/tests/sidebar/ut_bookmarkwidget.cpp
+++ b/tests/sidebar/ut_bookmarkwidget.cpp
@@ -56,13 +56,13 @@ TEST_F(TestBookMarkWidget, testprevPage)
     EXPECT_TRUE(m_tester->m_sheet != nullptr);
 }
 
-TEST_F(TestBookMarkWidget, testpageUp)
+TEST_F(TestBookMarkWidget, testnextPage)
 {
-    m_tester->pageUp();
+    m_tester->nextPage();
     EXPECT_TRUE(m_tester->m_sheet != nullptr);
 }
 
-TEST_F(TestBookMarkWidget, testnextPage)
+TEST_F(TestBookMarkWidget, testpageUp)
 {
     m_tester->pageUp();
     EXPECT_TRUE(m_tester->m_sheet != nullptr);
diff --git a/tests/sidebar/ut_notesdelegate.cpp b/tests/sidebar/ut_notesdelegate.cpp
index 90436c67..329efead 100644
--- a/tests/sidebar/ut_notesdelegate.cpp
+++ b/tests/sidebar/ut_notesdelegate.cpp
@@ -59,3 +59,12 @@ TEST_F(UT_NotesDelegate, UT_NotesDelegate_paint)
     EXPECT_TRUE(m_tester->m_parent == m_pView);
     delete painter;
 }
+
+TEST_F(UT_NotesDelegate, UT_NotesDelegate_sizeHint)
+{
+    m_pView->getImageModel()->insertPageIndex(1);
+    QStyleOptionViewItem option;
+    QModelIndex index = m_pView->getImageModel()->index(0, 0);
+    QSize size = m_tester->sizeHint(option, index);
+    EXPECT_FALSE(size.isEmpty());
+}
diff --git a/tests/sidebar/ut_noteswidget.cpp b/tests/sidebar/ut_noteswidget.cpp
index a1d3a798..e62907fc 100644
--- a/tests/sidebar/ut_noteswidget.cpp
+++ b/tests/sidebar/ut_noteswidget.cpp
@@ -54,7 +54,7 @@ TEST_F(UT_NotesWidget, initTest)
 
 TEST_F(UT_NotesWidget, UT_NotesWidget_prevPage)
 {
-    m_tester->pageUp();
+    m_tester->prevPage();
     EXPECT_TRUE(m_tester->m_sheet != nullptr);
 }
 
@@ -64,12 +64,24 @@ TEST_F(UT_NotesWidget, UT_NotesWidget_nextPage)
     EXPECT_TRUE(m_tester->m_sheet != nullptr);
 }
 
+TEST_F(UT_NotesWidget, UT_NotesWidget_deleteNoteItem_nullptr)
+{
+    m_tester->deleteNoteItem(nullptr);
+    EXPECT_TRUE(m_tester->m_sheet != nullptr);
+}
+
 TEST_F(UT_NotesWidget, UT_NotesWidget_pageDown)
 {
     m_tester->pageDown();
     EXPECT_TRUE(m_tester->m_sheet != nullptr);
 }
 
+TEST_F(UT_NotesWidget, UT_NotesWidget_pageUp)
+{
+    m_tester->pageUp();
+    EXPECT_TRUE(m_tester->m_sheet != nullptr);
+}
+
 TEST_F(UT_NotesWidget, UT_NotesWidget_deleteItemByKey)
 {
     m_tester->deleteItemByKey();
diff --git a/tests/sidebar/ut_searchresdelegate.cpp b/tests/sidebar/ut_searchresdelegate.cpp
index 73b62cc2..45b5142c 100644
--- a/tests/sidebar/ut_searchresdelegate.cpp
+++ b/tests/sidebar/ut_searchresdelegate.cpp
@@ -59,3 +59,12 @@ TEST_F(UT_SearchResDelegate, UT_SearchResDelegate_paint)
     EXPECT_TRUE(m_tester->m_parent == m_pView);
     delete painter;
 }
+
+TEST_F(UT_SearchResDelegate, UT_SearchResDelegate_sizeHint)
+{
+    m_pView->getImageModel()->insertPageIndex(1);
+    QStyleOptionViewItem option;
+    QModelIndex index = m_pView->getImageModel()->index(0, 0);
+    QSize size = m_tester->sizeHint(option, index);
+    EXPECT_FALSE(size.isEmpty());
+}
diff --git a/tests/sidebar/ut_thumbnaildelegate.cpp b/tests/sidebar/ut_thumbnaildelegate.cpp
index 7bf29149..b0f3be0d 100644
--- a/tests/sidebar/ut_thumbnaildelegate.cpp
+++ b/tests/sidebar/ut_thumbnaildelegate.cpp
@@ -75,3 +75,12 @@ TEST_F(UT_ThumbnailDelegate, UT_ThumbnailDelegate_drawBookMarkNotVisible)
     SUCCEED();
     delete painter;
 }
+
+TEST_F(UT_ThumbnailDelegate, UT_ThumbnailDelegate_sizeHint)
+{
+    m_pView->getImageModel()->insertPageIndex(1);
+    QStyleOptionViewItem option;
+    QModelIndex index = m_pView->getImageModel()->index(0, 0);
+    QSize size = m_tester->sizeHint(option, index);
+    EXPECT_FALSE(size.isEmpty());
+}