diff --git a/HybirdFrameworkCore/Utils/ObjUtils.cs b/HybirdFrameworkCore/Utils/ObjUtils.cs
new file mode 100644
index 0000000..fb39f97
--- /dev/null
+++ b/HybirdFrameworkCore/Utils/ObjUtils.cs
@@ -0,0 +1,71 @@
+namespace HybirdFrameworkCore.Utils;
+
+/// <summary>
+/// 
+/// </summary>
+public static class ObjUtils
+{
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="o"></param>
+    /// <returns></returns>
+    public static bool IsNull(object? o)
+    {
+        return o == null;
+    }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="o"></param>
+    /// <returns></returns>
+    public static bool IsNotNull(object? o)
+    {
+        return o != null;
+    }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="list"></param>
+    /// <typeparam name="T"></typeparam>
+    /// <returns></returns>
+    public static bool IsEmpty<T>(List<T>? list)
+    {
+        return list == null || list.Count == 0;
+    }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="list"></param>
+    /// <typeparam name="T"></typeparam>
+    /// <returns></returns>
+    public static bool IsNotEmpty<T>(List<T>? list)
+    {
+        return list is { Count: >= 0 };
+    }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="o"></param>
+    /// <returns></returns>
+    public static bool IsNullOrWhiteSpace(string? o)
+    {
+        return string.IsNullOrWhiteSpace(o);
+    }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="o"></param>
+    /// <returns></returns>
+    public static bool IsNotNullOrWhiteSpace(string? o)
+    {
+        return !string.IsNullOrWhiteSpace(o);
+    }
+
+    public static readonly List<object> EmptyList = new List<object>(0);
+}
\ No newline at end of file