diff --git a/sa-token-core/src/main/java/cn/dev33/satoken/serializer/SaSerializerTemplate.java b/sa-token-core/src/main/java/cn/dev33/satoken/serializer/SaSerializerTemplate.java
index 8eb8ed03..19770ac1 100644
--- a/sa-token-core/src/main/java/cn/dev33/satoken/serializer/SaSerializerTemplate.java
+++ b/sa-token-core/src/main/java/cn/dev33/satoken/serializer/SaSerializerTemplate.java
@@ -39,4 +39,20 @@ public interface SaSerializerTemplate {
 	 */
 	Object stringToObject(String str);
 
+	/**
+	 * 序列化：对象 -> 字节数组
+	 *
+	 * @param obj /
+	 * @return /
+	 */
+	byte[] objectToBytes(Object obj);
+
+	/**
+	 * 反序列化：字节数组 → 对象
+	 *
+	 * @param bytes /
+	 * @return /
+	 */
+	Object bytesToObject(byte[] bytes);
+
 }
diff --git a/sa-token-core/src/main/java/cn/dev33/satoken/serializer/impl/SaSerializerTemplateForJdk.java b/sa-token-core/src/main/java/cn/dev33/satoken/serializer/impl/SaSerializerTemplateForJdk.java
index e2f76210..1149d82d 100644
--- a/sa-token-core/src/main/java/cn/dev33/satoken/serializer/impl/SaSerializerTemplateForJdk.java
+++ b/sa-token-core/src/main/java/cn/dev33/satoken/serializer/impl/SaSerializerTemplateForJdk.java
@@ -30,6 +30,24 @@ public interface SaSerializerTemplateForJdk extends SaSerializerTemplate {
 
 	@Override
 	default String objectToString(Object obj) {
+		byte[] bytes = objectToBytes(obj);
+		if (bytes == null) {
+			return null;
+		}
+		return bytesToString(bytes);
+    }
+
+	@Override
+	default Object stringToObject(String str) {
+		if(str == null) {
+			return null;
+		}
+		byte[] bytes = stringToBytes(str);
+		return bytesToObject(bytes);
+    }
+
+	@Override
+	default byte[] objectToBytes(Object obj) {
 		if (obj == null) {
 			return null;
 		}
@@ -38,28 +56,26 @@ public interface SaSerializerTemplateForJdk extends SaSerializerTemplate {
 			ObjectOutputStream oos = new ObjectOutputStream(baos)
 		) {
 			oos.writeObject(obj);
-			byte[] bytes = baos.toByteArray();
-			return bytesToString(bytes);
+			return baos.toByteArray();
 		} catch (IOException e) {
-            throw new SaTokenException(e);
-        }
-    }
+			throw new SaTokenException(e);
+		}
+	}
 
 	@Override
-	default Object stringToObject(String str) {
-		if(str == null) {
+	default Object bytesToObject(byte[] bytes) {
+		if(bytes == null) {
 			return null;
 		}
-		byte[] data = stringToBytes(str);
 		try (
-			ByteArrayInputStream bais = new ByteArrayInputStream(data);
+			ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
 			ObjectInputStream ois = new ObjectInputStream(bais)
 		) {
 			return ois.readObject();
 		} catch (IOException | ClassNotFoundException e) {
-            throw new SaTokenException(e);
-        }
-    }
+			throw new SaTokenException(e);
+		}
+	}
 
 	/**
 	 * byte[] 转换为 String
diff --git a/sa-token-core/src/main/java/cn/dev33/satoken/serializer/impl/SaSerializerTemplateForJson.java b/sa-token-core/src/main/java/cn/dev33/satoken/serializer/impl/SaSerializerTemplateForJson.java
index 129e1376..b3597f7d 100644
--- a/sa-token-core/src/main/java/cn/dev33/satoken/serializer/impl/SaSerializerTemplateForJson.java
+++ b/sa-token-core/src/main/java/cn/dev33/satoken/serializer/impl/SaSerializerTemplateForJson.java
@@ -16,6 +16,7 @@
 package cn.dev33.satoken.serializer.impl;
 
 import cn.dev33.satoken.SaManager;
+import cn.dev33.satoken.exception.ApiDisabledException;
 import cn.dev33.satoken.serializer.SaSerializerTemplate;
 
 /**
@@ -36,4 +37,14 @@ public class SaSerializerTemplateForJson implements SaSerializerTemplate {
 		return SaManager.getSaJsonTemplate().jsonToObject(str);
 	}
 
+	@Override
+	public byte[] objectToBytes(Object obj) {
+		throw new ApiDisabledException("json 序列化器不支持 Object -> byte[]");
+	}
+
+	@Override
+	public Object bytesToObject(byte[] bytes) {
+		throw new ApiDisabledException("json 序列化器不支持 byte[] -> Object");
+	}
+
 }