fix 重构数据同步

Src/Dlhis.ScheduledTask/SyncSapInfo/GetHashCodeExtensions.cs

@@ -0,0 +1,15 @@
+namespace Dlhis.ScheduledTask.SyncSapInfo;
+
+internal static class GetHashCodeExtensions
+{
+    public static int SafeGetHashCode(this object o)
+    {
+        if (o == null) return 0;
+        return o.GetHashCode();
+    }
+
+    public static int SafeGetHashCode(this int o)
+    {
+        return o.GetHashCode();
+    }
+}