diff --git a/src/CAD/IFox.CAD.Shared/Runtime/Env.cs b/src/CAD/IFox.CAD.Shared/Runtime/Env.cs
index 3a351ab949b4159c83e41001cd77379e5b8f7934..13a2b4d4bae288a677af6978784b738b877aec03 100644
--- a/src/CAD/IFox.CAD.Shared/Runtime/Env.cs
+++ b/src/CAD/IFox.CAD.Shared/Runtime/Env.cs
@@ -90,7 +90,10 @@ public static bool CmdEcho
         get => Convert.ToInt16(Acap.GetSystemVariable("cmdecho")) == 1;
         set => Acap.SetSystemVariable("cmdecho", Convert.ToInt16(value));
     }
-
+    /// <summary>
+    /// 获取Cad当前是否有活动命令
+    /// </summary>
+    public static bool CmdActive => Convert.ToBoolean(Acap.GetSystemVariable("CMDACTIVE"));
     /// <summary>
     /// 控制在光标是否为正交模式， <see langword="true"/> 为打开正交， <see langword="false"/> 为关闭正交
     /// </summary>