diff --git a/src/BootstrapBlazor/Components/Filters/FilterLogicItem.razor.cs b/src/BootstrapBlazor/Components/Filters/FilterLogicItem.razor.cs
index 99a09b57e..7b6c9fb51 100644
--- a/src/BootstrapBlazor/Components/Filters/FilterLogicItem.razor.cs
+++ b/src/BootstrapBlazor/Components/Filters/FilterLogicItem.razor.cs
@@ -53,9 +53,9 @@ public partial class FilterLogicItem
         base.OnInitialized();
 
         Items = new List<SelectedItem>()
-            {
-                new SelectedItem("And",Localizer["And"]?.Value ?? "And"),
-                new SelectedItem("Or",Localizer["Or"]?.Value ?? "Or")
-            };
+        {
+            new SelectedItem("And",Localizer["And"].Value),
+            new SelectedItem("Or",Localizer["Or"].Value)
+        };
     }
 }
diff --git a/src/BootstrapBlazor/Components/Filters/LookupFilter.razor.cs b/src/BootstrapBlazor/Components/Filters/LookupFilter.razor.cs
index 952a22ba3..387dfc25f 100644
--- a/src/BootstrapBlazor/Components/Filters/LookupFilter.razor.cs
+++ b/src/BootstrapBlazor/Components/Filters/LookupFilter.razor.cs
@@ -16,15 +16,12 @@ public partial class LookupFilter
 
     private List<SelectedItem> Items { get; } = new List<SelectedItem>();
 
-    /// <summary>
-    /// 内部使用
-    /// </summary>
-    [NotNull]
-    private Type? EnumType { get; set; }
-
     /// <summary>
     /// 获得/设置 相关枚举类型
     /// </summary>
+#if NET6_0_OR_GREATER
+    [EditorRequired]
+#endif
     [Parameter]
     [NotNull]
 
@@ -33,6 +30,9 @@ public partial class LookupFilter
     /// <summary>
     /// 获得/设置 相关枚举类型
     /// </summary>
+#if NET6_0_OR_GREATER
+    [EditorRequired]
+#endif
     [Parameter]
     [NotNull]
     public Type? Type { get; set; }
@@ -48,11 +48,15 @@ public partial class LookupFilter
     {
         base.OnInitialized();
 
+        if (Lookup == null) throw new InvalidOperationException("the Parameter Lookup must be set.");
+
+        if (Type == null) throw new InvalidOperationException("the Parameter Type must be set.");
+
         if (TableFilter != null)
         {
             TableFilter.ShowMoreButton = false;
         }
-        Items.Add(new SelectedItem("", Localizer["EnumFilter.AllText"]?.Value ?? "All"));
+        Items.Add(new SelectedItem("", Localizer["EnumFilter.AllText"].Value));
         Items.AddRange(Lookup);
     }
 
diff --git a/src/BootstrapBlazor/Components/Filters/SearchFilterAction.cs b/src/BootstrapBlazor/Components/Filters/SearchFilterAction.cs
index de7769672..86e767f65 100644
--- a/src/BootstrapBlazor/Components/Filters/SearchFilterAction.cs
+++ b/src/BootstrapBlazor/Components/Filters/SearchFilterAction.cs
@@ -42,12 +42,12 @@ public class SearchFilterAction : IFilterAction
     /// </summary>
     /// <returns></returns>
     public virtual IEnumerable<FilterKeyValueAction> GetFilterConditions() => new List<FilterKeyValueAction>()
+    {
+        new()
         {
-            new()
-            {
-                FieldKey = Name,
-                FieldValue = Value,
-                FilterAction = Action,
-            }
-        };
+            FieldKey = Name,
+            FieldValue = Value,
+            FilterAction = Action,
+        }
+    };
 }
diff --git a/test/UnitTest/Components/TableLookupFilterTest.cs b/test/UnitTest/Components/TableLookupFilterTest.cs
new file mode 100644
index 000000000..5f6cc41af
--- /dev/null
+++ b/test/UnitTest/Components/TableLookupFilterTest.cs
@@ -0,0 +1,97 @@
+// Copyright (c) Argo Zhang (argo@163.com). All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+// Website: https://www.blazor.zone or https://argozhang.github.io/
+
+using BootstrapBlazor.Shared;
+using UnitTest.Extensions;
+
+namespace UnitTest.Components;
+
+public class TableLookupFilterTest : BootstrapBlazorTestBase
+{
+    [Fact]
+    public void Reset_Ok()
+    {
+        var cut = Context.RenderComponent<LookupFilter>(pb =>
+        {
+            pb.Add(a => a.Type, typeof(string));
+            pb.Add(a => a.Lookup, new List<SelectedItem>()
+            {
+                new SelectedItem("true", "True"),
+                new SelectedItem("false", "False")
+            });
+        });
+
+        var filter = cut.Instance;
+        cut.InvokeAsync(() => filter.Reset());
+    }
+
+    [Fact]
+    public void GetFilterConditions_Ok()
+    {
+        var cut = Context.RenderComponent<LookupFilter>(pb =>
+        {
+            pb.Add(a => a.Type, typeof(string));
+            pb.Add(a => a.Lookup, new List<SelectedItem>()
+            {
+                new SelectedItem("true", "True"),
+                new SelectedItem("false", "False")
+            });
+        });
+
+        var filter = cut.Instance;
+        IEnumerable<FilterKeyValueAction>? condtions = null;
+        cut.InvokeAsync(() => condtions = filter.GetFilterConditions());
+        Assert.Empty(condtions);
+
+        // Set Value
+        var items = cut.FindAll(".dropdown-item");
+        cut.InvokeAsync(() => items[1].Click());
+        cut.InvokeAsync(() => condtions = filter.GetFilterConditions());
+        Assert.Single(condtions);
+    }
+
+    [Fact]
+    public void InvalidOperationException_Exception()
+    {
+        Assert.ThrowsAny<InvalidOperationException>(() => Context.RenderComponent<LookupFilter>());
+        Assert.ThrowsAny<InvalidOperationException>(() => Context.RenderComponent<LookupFilter>(pb =>
+        {
+            pb.Add(a => a.Lookup, new List<SelectedItem>());
+        }));
+    }
+
+    [Fact]
+    public void IsHeaderRow_OnFilterValueChanged()
+    {
+        var cut = Context.RenderComponent<BootstrapBlazorRoot>(pb =>
+        {
+            pb.AddChildContent<Table<Foo>>(pb =>
+            {
+                pb.Add(a => a.Items, new List<Foo>() { new Foo() });
+                pb.Add(a => a.RenderMode, TableRenderMode.Table);
+                pb.Add(a => a.ShowFilterHeader, true);
+                pb.Add(a => a.TableColumns, new RenderFragment<Foo>(foo => builder =>
+                {
+                    var index = 0;
+                    builder.OpenComponent<TableColumn<Foo, bool>>(index++);
+                    builder.AddAttribute(index++, nameof(TableColumn<Foo, bool>.Field), foo.Complete);
+                    builder.AddAttribute(index++, nameof(TableColumn<Foo, bool>.FieldExpression), foo.GenerateValueExpression(nameof(foo.Complete), typeof(bool)));
+                    builder.AddAttribute(index++, nameof(TableColumn<Foo, bool>.Filterable), true);
+                    builder.AddAttribute(index++, nameof(TableColumn<Foo, bool>.Lookup), new List<SelectedItem>()
+                    {
+                        new SelectedItem("true", "True"),
+                        new SelectedItem("false", "False")
+                    });
+                    builder.CloseComponent();
+                }));
+            });
+        });
+
+        var items = cut.FindAll(".dropdown-item");
+        IEnumerable<FilterKeyValueAction>? condtions = null;
+        cut.InvokeAsync(() => items[1].Click());
+        cut.InvokeAsync(() => condtions = cut.FindComponent<LookupFilter>().Instance.GetFilterConditions());
+        Assert.Single(condtions);
+    }
+}
diff --git a/test/UnitTest/Components/TableStringFilterTest.cs b/test/UnitTest/Components/TableStringFilterTest.cs
index 5b1a04175..edd7c5009 100644
--- a/test/UnitTest/Components/TableStringFilterTest.cs
+++ b/test/UnitTest/Components/TableStringFilterTest.cs
@@ -34,6 +34,12 @@ public class TableStringFilterTest : BootstrapBlazorTestBase
 
         conditions = cut.Instance.GetFilterConditions();
         Assert.Equal(2, conditions.Count());
+
+        // 测试 FilterLogicItem LogicChanged 代码覆盖率
+        var logicItem = cut.FindComponent<FilterLogicItem>();
+        var item = logicItem.FindAll(".dropdown-item")[0];
+        cut.InvokeAsync(() => item.Click());
+        Assert.Equal(FilterLogic.And, logicItem.Instance.Logic);
     }
 
     [Fact]
@@ -66,4 +72,17 @@ public class TableStringFilterTest : BootstrapBlazorTestBase
         cut.InvokeAsync(() => condtions = cut.FindComponent<StringFilter>().Instance.GetFilterConditions());
         Assert.Single(condtions);
     }
+
+    [Fact]
+    public void SearchFilterAction_Ok()
+    {
+        var searchFilterAction = new SearchFilterAction("Test-Search", "1", FilterAction.NotEqual);
+
+        var condtion = searchFilterAction.GetFilterConditions();
+        Assert.Single(condtion);
+        Assert.Equal("Test-Search", condtion.First().FieldKey);
+        Assert.Equal("1", condtion.First().FieldValue);
+        Assert.Equal(FilterAction.NotEqual, condtion.First().FilterAction);
+        Assert.Equal(FilterLogic.And, condtion.First().FilterLogic);
+    }
 }