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;
+
+///
+///
+///
+public static class ObjUtils
+{
+ ///
+ ///
+ ///
+ ///
+ ///
+ public static bool IsNull(object? o)
+ {
+ return o == null;
+ }
+
+ ///
+ ///
+ ///
+ ///
+ ///
+ public static bool IsNotNull(object? o)
+ {
+ return o != null;
+ }
+
+ ///
+ ///
+ ///
+ ///
+ ///
+ ///
+ public static bool IsEmpty(List? list)
+ {
+ return list == null || list.Count == 0;
+ }
+
+ ///
+ ///
+ ///
+ ///
+ ///
+ ///
+ public static bool IsNotEmpty(List? list)
+ {
+ return list is { Count: >= 0 };
+ }
+
+ ///
+ ///
+ ///
+ ///
+ ///
+ public static bool IsNullOrWhiteSpace(string? o)
+ {
+ return string.IsNullOrWhiteSpace(o);
+ }
+
+ ///
+ ///
+ ///
+ ///
+ ///
+ public static bool IsNotNullOrWhiteSpace(string? o)
+ {
+ return !string.IsNullOrWhiteSpace(o);
+ }
+
+ public static readonly List