refactor 优化代码

Src/Dlhis.Basic/Organization/Services/Implements/GetHashCodeExtensions.cs

@@ -0,0 +1,11 @@
+namespace Dlhis.Basic.Organization.Services.Implements;
+
+internal static class GetHashCodeExtensions
+{
+    public static int SafeGetHashCode(this object o)
+    {
+        if (o == null) return 0;
+        if(string.IsNullOrEmpty(o.ToString())) return 0;
+        return o.GetHashCode();
+    }
+}