diff --git a/Elight.Utility/Extensions/StringExtension.cs b/Elight.Utility/Extensions/StringExtension.cs
index cf9d417..0d4e96d 100644
--- a/Elight.Utility/Extensions/StringExtension.cs
+++ b/Elight.Utility/Extensions/StringExtension.cs
@@ -18,6 +18,15 @@ namespace Elight.Utility.Extensions
     /// CreatedTimed:2022-05-13 06:00 PM
     public static class StringExtension
     {
+        public static bool GetGenderByIdCard(string idCard)
+        {
+            if (string.IsNullOrWhiteSpace(idCard))
+            {
+                return false;
+            }
+            return Convert.ToBoolean(int.Parse(idCard.Substring(16, 1)) % 2);
+        }
+
         /// <summary>
         /// 判断字符串是否为Null、空
         /// </summary>