diff --git a/src/BootstrapBlazor/Components/Step/Step.razor.cs b/src/BootstrapBlazor/Components/Step/Step.razor.cs
index 3b8ffa00455..f2e804b278e 100644
--- a/src/BootstrapBlazor/Components/Step/Step.razor.cs
+++ b/src/BootstrapBlazor/Components/Step/Step.razor.cs
@@ -53,6 +53,11 @@ public partial class Step
 
     private int _currentStepIndex;
 
+    /// <summary>
+    /// 获得当前步骤索引（只读）
+    /// </summary>
+    public int CurrentStepIndex => _currentStepIndex;
+
     /// <summary>
     /// 获得 组件样式字符串
     /// </summary>
diff --git a/test/UnitTest/Components/StepTest.cs b/test/UnitTest/Components/StepTest.cs
index 027f6e7504d..24ecdad977d 100644
--- a/test/UnitTest/Components/StepTest.cs
+++ b/test/UnitTest/Components/StepTest.cs
@@ -37,6 +37,8 @@ public void Step_Items()
 
         body = cut.FindAll(".step-body-item");
         Assert.Empty(body);
+
+        Assert.Equal(0, cut.Instance.CurrentStepIndex);
     }
 
     [Fact]