diff --git a/Bin/net40/SunnyUI.dll b/Bin/net40/SunnyUI.dll
index 0d582f9d..05a3163b 100644
Binary files a/Bin/net40/SunnyUI.dll and b/Bin/net40/SunnyUI.dll differ
diff --git a/Bin/net5.0-windows/SunnyUI.dll b/Bin/net5.0-windows/SunnyUI.dll
index cddb1a77..93a39975 100644
Binary files a/Bin/net5.0-windows/SunnyUI.dll and b/Bin/net5.0-windows/SunnyUI.dll differ
diff --git a/Bin/netcoreapp3.1/SunnyUI.dll b/Bin/netcoreapp3.1/SunnyUI.dll
index 68a1277a..9679db37 100644
Binary files a/Bin/netcoreapp3.1/SunnyUI.dll and b/Bin/netcoreapp3.1/SunnyUI.dll differ
diff --git a/SunnyUI/Controls/UIDataGridView.cs b/SunnyUI/Controls/UIDataGridView.cs
index d558b7c4..683122b3 100644
--- a/SunnyUI/Controls/UIDataGridView.cs
+++ b/SunnyUI/Controls/UIDataGridView.cs
@@ -22,6 +22,7 @@
  * 2020-07-18: V2.2.6 重绘水平滚动条
  * 2020-08-22: V2.2.7 更新了水平和垂直滚动条的显示，优化滚动效果。
  * 2020-08-28: V2.2.7 调整水平滚动条
+ * 2021-03-25: V3.0.2 修改垂直滚动条和原版一致，并增加翻页方式滚动。
 ******************************************************************************/
 
 using System;
diff --git a/SunnyUI/Controls/UINavBar.cs b/SunnyUI/Controls/UINavBar.cs
index dd93619d..9b07c41d 100644
--- a/SunnyUI/Controls/UINavBar.cs
+++ b/SunnyUI/Controls/UINavBar.cs
@@ -18,6 +18,7 @@
  *
  * 2020-01-01: V2.2.0 增加文件说明
  * 2020-08-28: V2.2.7 增加节点的Image绘制
+ * 2021-03-20: V3.0.2 增加可设置背景图片
 ******************************************************************************/
 
 using System;
diff --git a/SunnyUI/Controls/UINavMenu.cs b/SunnyUI/Controls/UINavMenu.cs
index df68b57b..4941a8dd 100644
--- a/SunnyUI/Controls/UINavMenu.cs
+++ b/SunnyUI/Controls/UINavMenu.cs
@@ -18,6 +18,7 @@
  *
  * 2020-01-01: V2.2.0 增加文件说明
  * 2020-07-01: V2.2.6 解决引发事件所有结点重绘导致闪烁；解决滚轮失效问题。
+ * 2020-03-12: V3.0.2 增加设置二级菜单底色
 ******************************************************************************/
 
 using System;
diff --git a/SunnyUI/Controls/UIPagination.cs b/SunnyUI/Controls/UIPagination.cs
index 775fd0dd..11f204a7 100644
--- a/SunnyUI/Controls/UIPagination.cs
+++ b/SunnyUI/Controls/UIPagination.cs
@@ -17,6 +17,7 @@
  * 创建日期: 2020-07-26
  *
  * 2020-07-15: V2.2.6 新增分页控件
+ * 2021-03-27: V3.0.2 修正因两次查询数量相等而引起的不刷新
 ******************************************************************************/
 
 using System;
@@ -138,12 +139,9 @@ namespace Sunny.UI
             get => totalCount;
             set
             {
-                if (totalCount != value)
-                {
-                    totalCount = Math.Max(0, value);
-                    SetShowButtons();
-                    DataBind();
-                }
+                totalCount = Math.Max(0, value);
+                SetShowButtons();
+                DataBind();
             }
         }
 
@@ -203,13 +201,10 @@ namespace Sunny.UI
             get => activePage;
             set
             {
-                //if (activePage != value)
-                {
-                    activePage = Math.Max(1, value);
-                    edtPage.IntValue = activePage;
-                    SetShowButtons();
-                    DataBind();
-                }
+                activePage = Math.Max(1, value);
+                edtPage.IntValue = activePage;
+                SetShowButtons();
+                DataBind();
             }
         }