diff --git a/src/MiniExcel/Utils/CustomPropertyHelper.cs b/src/MiniExcel/Utils/CustomPropertyHelper.cs
index 8945bc3ec8d51c60ff608fc6988160aec078d7aa..1bf6e0b3431b70f737e9e3b32e00eb871563aa83 100644
--- a/src/MiniExcel/Utils/CustomPropertyHelper.cs
+++ b/src/MiniExcel/Utils/CustomPropertyHelper.cs
@@ -135,6 +135,9 @@ internal static List<ExcelColumnInfo> GetExcelCustomPropertyInfos(Type type, str
         internal static string DescriptionAttr(Type type, object source)
         {
             FieldInfo fi = type.GetField(source.ToString());
+            //For some database dirty data, there may be no way to change to the correct enumeration, will return NULL
+            if (fi == null)
+                return source.ToString();
 
             DescriptionAttribute[] attributes = (DescriptionAttribute[])fi.GetCustomAttributes(
                 typeof(DescriptionAttribute), false);