diff --git a/Bin/net40/SunnyUI.Demo.exe b/Bin/net40/SunnyUI.Demo.exe
index f597bc82..8bc89917 100644
Binary files a/Bin/net40/SunnyUI.Demo.exe and b/Bin/net40/SunnyUI.Demo.exe differ
diff --git a/Bin/net40/SunnyUI.dll b/Bin/net40/SunnyUI.dll
index f04027e7..6be2885d 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 fe4b0ed5..65710a12 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 255d8c54..539fea5f 100644
Binary files a/Bin/netcoreapp3.1/SunnyUI.dll and b/Bin/netcoreapp3.1/SunnyUI.dll differ
diff --git a/SunnyUI.Demo/Forms/FEditor.cs b/SunnyUI.Demo/Forms/FEditor.cs
index 5d537a74..d686f2a7 100644
--- a/SunnyUI.Demo/Forms/FEditor.cs
+++ b/SunnyUI.Demo/Forms/FEditor.cs
@@ -57,7 +57,7 @@ namespace Sunny.UI.Demo.Forms
             UIEditOption option = new UIEditOption();
             option.AutoLabelWidth = true;
             option.Text = "增加";
-            option.AddText("Name", "姓名", "", true);
+            option.AddText("Name", "姓名", null, true);
             option.AddInteger("Age", "年龄", 16);
             option.AddDate("Birthday", "生日", DateTime.Now);
             option.AddCombobox("Sex", "性别", sex, 1, true, true);
diff --git a/SunnyUI/Forms/UIEditForm.cs b/SunnyUI/Forms/UIEditForm.cs
index 83d1de10..8507973e 100644
--- a/SunnyUI/Forms/UIEditForm.cs
+++ b/SunnyUI/Forms/UIEditForm.cs
@@ -86,7 +86,7 @@ namespace Sunny.UI
                     edit.Left = option.LabelWidth;
                     edit.Width = option.ValueWidth;
                     edit.Top = top;
-                    edit.Text = info.Value.ToString();
+                    edit.Text = info.Value?.ToString();
                     edit.Parent = this;
                     edit.Name = "Edit_" + info.DataPropertyName;
                     edit.EnterAsTab = true;
@@ -100,7 +100,7 @@ namespace Sunny.UI
                     edit.Left = option.LabelWidth;
                     edit.Width = option.ValueWidth;
                     edit.Top = top;
-                    edit.Text = info.Value.ToString();
+                    edit.Text = info.Value?.ToString();
                     edit.Parent = this;
                     edit.PasswordChar = '*';
                     edit.Name = "Edit_" + info.DataPropertyName;