添加项目文件。

CommonDomain/BaseModel/BaseTitleValue.cs

@@ -0,0 +1,16 @@
+using MongoDB.Bson.Serialization.Attributes;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace CommonDomain.BaseModel
+{
+    [BsonIgnoreExtraElements]
+    public class BaseTitleValue
+    {
+        public string Title { get; set; }
+        public string Value { get; set; }
+    }
+}