添加项目文件。

TightWiki.Models/DataModels/ImageCacheItem.cs

@@ -0,0 +1,14 @@
+namespace TightWiki.Models.DataModels
+{
+    public partial class ImageCacheItem
+    {
+        public string ContentType { get; set; } = string.Empty;
+        public byte[] Bytes { get; set; }
+
+        public ImageCacheItem(byte[] bytes, string contentType)
+        {
+            Bytes = bytes;
+            ContentType = contentType;
+        }
+    }
+}