diff --git a/Falcon.SugarApi/ISerialize.cs b/Falcon.SugarApi/ISerialize.cs
index 248e52d..c1bb6ca 100644
--- a/Falcon.SugarApi/ISerialize.cs
+++ b/Falcon.SugarApi/ISerialize.cs
@@ -1,4 +1,6 @@
-namespace Falcon.SugarApi
+using System;
+
+namespace Falcon.SugarApi
 {
     /// <summary>
     /// 序列化对象到字符串
@@ -20,5 +22,22 @@
         /// <param name="str">序列化字符串</param>
         /// <returns>对象实例</returns>
         public T? Deserialize<T>(string str) where T : class;
+
+        /// <summary>
+        /// 反序列化json字符串
+        /// </summary>
+        /// <param name="str">json字符串</param>
+        /// <param name="returnType">返回类型</param>
+        /// <returns>json对象</returns>
+        public object? Deserialize(string str, Type returnType);
+
+        /// <summary>
+        /// 序列化json对象
+        /// </summary>
+        /// <param name="obj">json对象</param>
+        /// <param name="inputType">输入类型</param>
+        /// <returns>json字符串</returns>
+        public string Serialize(object obj, Type inputType);
+
     }
 }
diff --git a/Falcon.SugarApi/JsonSerialize/JsonSerialize.cs b/Falcon.SugarApi/JsonSerialize/JsonSerialize.cs
index cc0eff1..71fbb27 100644
--- a/Falcon.SugarApi/JsonSerialize/JsonSerialize.cs
+++ b/Falcon.SugarApi/JsonSerialize/JsonSerialize.cs
@@ -1,4 +1,5 @@
-using System.Text.Json;
+using System;
+using System.Text.Json;
 
 namespace Falcon.SugarApi.JsonSerialize
 {
@@ -23,5 +24,22 @@ namespace Falcon.SugarApi.JsonSerialize
         /// <returns>json字符串</returns>
         public string Serialize<T>(T obj) => JsonSerializer.Serialize(obj);
 
+        /// <summary>
+        /// 反序列化json字符串
+        /// </summary>
+        /// <param name="str">json字符串</param>
+        /// <param name="returnType">返回类型</param>
+        /// <returns>json对象</returns>
+        public object? Deserialize(string str, Type returnType) => JsonSerializer.Deserialize(str, returnType);
+
+        /// <summary>
+        /// 序列化json对象
+        /// </summary>
+        /// <typeparam name="T">对象类型</typeparam>
+        /// <param name="obj">json对象</param>
+        /// <param name="inputType">输入类型</param>
+        /// <returns>json字符串</returns>
+        public string Serialize(object obj, Type inputType) => JsonSerializer.Serialize(obj, inputType);
+
     }
 }
diff --git a/Falcon.SugarApi/XmlSerialize/XmlSerialize.cs b/Falcon.SugarApi/XmlSerialize/XmlSerialize.cs
index 818de9b..2acab0e 100644
--- a/Falcon.SugarApi/XmlSerialize/XmlSerialize.cs
+++ b/Falcon.SugarApi/XmlSerialize/XmlSerialize.cs
@@ -1,4 +1,5 @@
-using System.IO;
+using System;
+using System.IO;
 using System.Text;
 using System.Xml;
 using System.Xml.Serialization;
@@ -47,7 +48,19 @@ namespace Falcon.SugarApi.XmlSerialize
         /// <param name="obj">对象</param>
         /// <returns>序列化字符串</returns>
         public string Serialize<T>(T obj) {
-            var xmlSerializer = new XmlSerializer(typeof(T));
+            return Serialize(obj, typeof(T));
+        }
+
+        /// <inheritdoc/>
+        public object? Deserialize(string str, Type returnType) {
+            var serializer = new XmlSerializer(returnType);
+            using var ms = new MemoryStream(Encoding.UTF8.GetBytes(str));
+            return serializer.Deserialize(ms);
+        }
+
+        /// <inheritdoc/>
+        public string Serialize(object obj, Type inputType) {
+            var xmlSerializer = new XmlSerializer(inputType);
             using var ms = new MemoryStream();
             XmlSerializerNamespaces xmlSerializerNamespaces = new();
             if (this.Settings.Namespaces.Count > 0) {
@@ -60,11 +73,11 @@ namespace Falcon.SugarApi.XmlSerialize
             }
             var settings = new XmlWriterSettings {
                 OmitXmlDeclaration = this.Settings.OmitXmlDeclaration,
-                Encoding =this.Settings.Encoding,
+                Encoding = this.Settings.Encoding,
                 Indent = this.Settings.Indent,
                 IndentChars = this.Settings.IndentChars,
             };
-            using XmlWriter xmlWriter = new MyXmlWriter(XmlWriter.Create(ms, settings),this.Settings);
+            using XmlWriter xmlWriter = new MyXmlWriter(XmlWriter.Create(ms, settings), this.Settings);
             xmlSerializer.Serialize(xmlWriter, obj, xmlSerializerNamespaces);
             ms.Position = 0;
             using var sr = new StreamReader(ms, Encoding.UTF8);