diff --git a/Apewer/Json.cs b/Apewer/Json.cs
index 59299c9..eba285c 100644
--- a/Apewer/Json.cs
+++ b/Apewer/Json.cs
@@ -85,6 +85,7 @@ namespace Apewer
             if (value == null) return new JValue(null, JTokenType.Null);
             if (value is Json json) return json?._jtoken ?? new JValue(null, JTokenType.Null);
             if (value is DateTime dt) return new JValue(SerializeDateTime(dt));
+            if (value is byte[] bytes) return new JValue(SerializeBytes(bytes));
 
             if (value is string) return new JValue(value);
             if (value is bool) return new JValue(value);
@@ -1290,6 +1291,7 @@ namespace Apewer
 
                     if (value == null) { json.AddItem(); }
                     else if (value is DateTime dt) { json.AddItem(SerializeDateTime(dt)); }
+                    else if (value is byte[] bytes) { json.AddItem(SerializeBytes(bytes)); }
                     else if (value is bool) { json.AddItem((bool)value); }
                     else if (value is byte) { json.AddItem((byte)value); }
                     else if (value is sbyte) { json.AddItem((sbyte)value); }
@@ -1401,6 +1403,7 @@ namespace Apewer
 
                         if (value == null) { json.SetProperty(field); }
                         else if (value is DateTime dt) { json.SetProperty(field, SerializeDateTime(dt)); }
+                        else if (value is byte[] bytes) { json.SetProperty(field, SerializeBytes(bytes)); }
                         else if (value is bool) { json.SetProperty(field, (bool)value); }
                         else if (value is byte) { json.SetProperty(field, (byte)value); }
                         else if (value is sbyte) { json.SetProperty(field, (sbyte)value); }
@@ -1959,6 +1962,7 @@ namespace Apewer
                 else if (pt.Equals(typeof(float))) setter.Invoke(entity, new object[] { Float(value) });
                 else if (pt.Equals(typeof(double))) setter.Invoke(entity, new object[] { Double(value) });
                 else if (pt.Equals(typeof(decimal))) setter.Invoke(entity, new object[] { Decimal(value) });
+                else if (pt.Equals(typeof(byte[]))) setter.Invoke(entity, new object[] { DeserializeBytes(value) });
                 else
                 {
                     var serializable = (force || _forceall);
@@ -2539,6 +2543,47 @@ namespace Apewer
 
         #endregion
 
+        #region Byte[]
+
+        static Func<byte[], string> _bytes_serializer = null;
+        static Func<object, byte[]> _bytes_deserializer = null;
+
+        /// <summary>自定义 Byte[] 序列化程序。</summary>
+        public static Func<byte[], string> BytesSerializer { get => _bytes_serializer; set => _bytes_serializer = value; }
+
+        /// <summary>自定义 Byte[] 反序列化程序。</summary>
+        public static Func<object, byte[]> BytesDeserializer { get => _bytes_deserializer; set => _bytes_deserializer = value; }
+
+        /// <summary>序列化 Byte[] 实例。</summary>
+        public static string SerializeBytes(byte[] bytes)
+        {
+            var serializer = _bytes_serializer;
+            if (serializer != null) return serializer.Invoke(bytes);
+
+            if (bytes == null) return null;
+            return Convert.ToBase64String(bytes);
+        }
+
+        /// <summary>反序列化 Byte[] 实例。</summary>
+        public static byte[] DeserializeBytes(object value)
+        {
+            var deserializer = _bytes_deserializer;
+            if (deserializer != null) return deserializer.Invoke(value);
+
+            try
+            {
+                if (value is byte[] bytes) return bytes;
+                if (value is string base64) return Convert.FromBase64String(base64);
+                return null;
+            }
+            catch
+            {
+                return null;
+            }
+        }
+
+        #endregion
+
         #region DateTime
 
         static Func<DateTime, string> _datetime_serializer = null;
@@ -2559,7 +2604,7 @@ namespace Apewer
             return ClockUtility.Lucid(dateTime);
         }
 
-        /// <summary>序列化 DateTime 实例。</summary>
+        /// <summary>反序列化 DateTime 实例。</summary>
         public static DateTime DeserializeDateTime(object value)
         {
             var deserializer = _datetime_deserializer;