diff --git a/Assets/Scripts/CXX/StepState/1002/StepState_1002.cs b/Assets/Scripts/CXX/StepState/1002/StepState_1002.cs
index 63cef6d..63a4ee2 100644
--- a/Assets/Scripts/CXX/StepState/1002/StepState_1002.cs
+++ b/Assets/Scripts/CXX/StepState/1002/StepState_1002.cs
@@ -31,6 +31,10 @@ public class StepState_1002 : StepState
         steps.Add(3018, E_SceneType.Site);
     }
 
+    /// <summary>
+    /// 从场景第一步会依次往下执行，直到指定步骤
+    /// </summary>
+    /// <param name="num"></param>
     public override void SetStepState(int num)
     {
         Debug.Log("切换步骤"+num);