diff --git a/src/gaea.app/build.gradle b/src/gaea.app/build.gradle
index 7bd8649..245325f 100644
--- a/src/gaea.app/build.gradle
+++ b/src/gaea.app/build.gradle
@@ -1,7 +1,6 @@
 dependencies {
     compile project(":src:gaea")
     compile("org.springframework.boot:spring-boot-starter-web:$spring_version")
-    compile group: 'com.google.code.gson', name: 'gson', version: '2.8.6'
     compile group: 'net.sf.dozer', name: 'dozer', version: '5.5.1'
 }
 
diff --git a/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/CommandApp.kt b/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/CommandApp.kt
index 4e10d9e..faf9d6b 100644
--- a/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/CommandApp.kt
+++ b/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/CommandApp.kt
@@ -1,8 +1,10 @@
 package com.synebula.gaea.app
 
+import com.synebula.gaea.data.serialization.json.IJsonSerializer
 import com.synebula.gaea.domain.service.ICommand
 import com.synebula.gaea.domain.service.IService
 import com.synebula.gaea.log.ILogger
+import javax.annotation.Resource
 
 /**
  * 指令服务，同时实现ICommandApp
@@ -15,4 +17,6 @@ open class CommandApp<TCommand : ICommand, TKey>(
         override var name: String,
         override var service: IService<TKey>?,
         override var logger: ILogger) : ICommandApp<TCommand, TKey> {
+    @Resource
+    override var jsonSerializer: IJsonSerializer? = null
 }
\ No newline at end of file
diff --git a/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/ICommandApp.kt b/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/ICommandApp.kt
index 91e6c87..69eedfc 100644
--- a/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/ICommandApp.kt
+++ b/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/ICommandApp.kt
@@ -2,24 +2,27 @@ package com.synebula.gaea.app
 
 import com.synebula.gaea.app.component.HttpMessage
 import com.synebula.gaea.data.message.Status
+import com.synebula.gaea.data.serialization.json.IJsonSerializer
 import com.synebula.gaea.domain.service.ICommand
 import com.synebula.gaea.domain.service.IService
 import org.springframework.web.bind.annotation.*
+import javax.annotation.Resource
 
 /**
  * 应用类接口，提供向Command服务的接口
  *
  * @author alex
  * @version 0.1
- * @since 2018 18-2-8
+ * @since 2020-05-15
  */
 interface ICommandApp<TCommand : ICommand, TKey> : IApplication {
+    var jsonSerializer: IJsonSerializer?
 
     var service: IService<TKey>?
 
     @PostMapping
     fun add(@RequestBody command: TCommand): HttpMessage {
-        return this.throwExecute("${this.name}添加失败") {
+        return this.throwExecute("添加${this.name}数据失败 - ${if (jsonSerializer != null) jsonSerializer?.serialize(command) else ""}") {
             if (this.service != null) {
                 val msg = this.service!!.add(command)
                 it.load(msg)
@@ -32,7 +35,7 @@ interface ICommandApp<TCommand : ICommand, TKey> : IApplication {
 
     @DeleteMapping("/{key:.+}")
     fun remove(@PathVariable key: TKey): HttpMessage {
-        return this.throwExecute("${this.name}删除失败") {
+        return this.throwExecute("删除${this.name}失败[Key: $key]") {
             if (this.service != null)
                 it.data = this.service!!.remove(key)
             else {
@@ -44,7 +47,7 @@ interface ICommandApp<TCommand : ICommand, TKey> : IApplication {
 
     @PutMapping("/{key:.+}")
     fun update(@PathVariable key: TKey, @RequestBody command: TCommand): HttpMessage {
-        return this.throwExecute("${this.name}更新失败") {
+        return this.throwExecute("更新${this.name}失败 - ${if (jsonSerializer != null) jsonSerializer?.serialize(command) else ""}") {
             if (this.service != null)
                 this.service!!.update(key, command)
             else {
diff --git a/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/IQueryApp.kt b/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/IQueryApp.kt
index 822cdcc..58d5a14 100644
--- a/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/IQueryApp.kt
+++ b/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/IQueryApp.kt
@@ -10,11 +10,12 @@ import org.springframework.web.bind.annotation.RequestParam
 
 /**
  * 应用类接口，提供实现Query服务的接口
- * 依赖查询接口 @see IQuery
+ * 依赖查询接        return this.safeExecute("获取${this.name}数据失败") {
+口 @see IQuery
  *
  * @author alex
  * @version 0.1
- * @since 2018 18-2-8
+ * @since 2020-05-15
  */
 interface IQueryApp<TView, TKey> : IApplication {
     /**
@@ -24,7 +25,7 @@ interface IQueryApp<TView, TKey> : IApplication {
 
     @GetMapping("/{key:.+}")
     fun get(@PathVariable key: TKey): HttpMessage {
-        return this.safeExecute("${this.name}获取数据失败") {
+        return this.safeExecute("获取${this.name}数据失败") {
             if (this.query != null)
                 it.data = this.query!!.get(key)
             else {
@@ -36,7 +37,7 @@ interface IQueryApp<TView, TKey> : IApplication {
 
     @GetMapping
     fun list(@RequestParam parameters: MutableMap<String, Any>): HttpMessage {
-        return this.safeExecute("${this.name}获取数据失败") {
+        return this.safeExecute("获取${this.name}列表数据失败") {
             if (this.query != null)
                 it.data = this.query!!.list(parameters)
             else {
@@ -48,7 +49,7 @@ interface IQueryApp<TView, TKey> : IApplication {
 
     @GetMapping("/split/{size}/pages/{page}")
     fun paging(@PathVariable page: Int, @PathVariable size: Int, @RequestParam parameters: MutableMap<String, Any>): HttpMessage {
-        return this.safeExecute("${this.name}获取分页数据失败") {
+        return this.safeExecute("获取${this.name}分页数据[条数:$size,页码:$page]失败") {
             if (this.query != null) {
                 val params = PagingParam(page, size)
                 params.parameters = parameters
diff --git a/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/IQueryTypedApp.kt b/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/IQueryTypedApp.kt
index bfbdc0a..1702abc 100644
--- a/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/IQueryTypedApp.kt
+++ b/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/IQueryTypedApp.kt
@@ -15,7 +15,7 @@ import org.springframework.web.bind.annotation.RequestParam
  *
  * @author alex
  * @version 0.1
- * @since 2018 18-2-8
+ * @since 2020-05-15
  */
 interface IQueryTypedApp<TView, TKey> : IApplication {
     /**
@@ -23,11 +23,14 @@ interface IQueryTypedApp<TView, TKey> : IApplication {
      */
     var query: IQueryTyped?
 
+    /**
+     * 查询的View类型
+     */
     var viewClass: Class<TView>
 
     @GetMapping("/{key:.+}")
     fun get(@PathVariable key: TKey): HttpMessage {
-        return this.safeExecute("${this.name}获取数据失败") {
+        return this.safeExecute("获取${this.name}数据失败") {
             if (this.query != null)
                 it.data = this.query!!.get(key, viewClass)
             else {
@@ -39,7 +42,7 @@ interface IQueryTypedApp<TView, TKey> : IApplication {
 
     @GetMapping
     fun list(@RequestParam parameters: MutableMap<String, Any>): HttpMessage {
-        return this.safeExecute("${this.name}获取数据失败") {
+        return this.safeExecute("获取${this.name}列表数据失败") {
             if (this.query != null)
                 it.data = this.query!!.list<TView, TKey>(parameters, viewClass)
             else {
@@ -51,7 +54,7 @@ interface IQueryTypedApp<TView, TKey> : IApplication {
 
     @GetMapping("/split/{size}/pages/{page}")
     fun paging(@PathVariable page: Int, @PathVariable size: Int, @RequestParam parameters: MutableMap<String, Any>): HttpMessage {
-        return this.safeExecute("${this.name}获取分页数据失败") {
+        return this.safeExecute("获取${this.name}分页数据[条数:$size,页码:$page]失败") {
             if (this.query != null) {
                 val params = PagingParam(page, size)
                 params.parameters = parameters
diff --git a/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/UnionApp.kt b/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/UnionApp.kt
index b4fc296..2cd5c2d 100644
--- a/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/UnionApp.kt
+++ b/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/UnionApp.kt
@@ -1,9 +1,11 @@
 package com.synebula.gaea.app
 
+import com.synebula.gaea.data.serialization.json.IJsonSerializer
 import com.synebula.gaea.domain.service.ICommand
 import com.synebula.gaea.domain.service.IService
 import com.synebula.gaea.log.ILogger
 import com.synebula.gaea.query.IQuery
+import javax.annotation.Resource
 
 /**
  * 联合服务，同时实现了ICommandApp和IQueryApp接口
@@ -19,4 +21,7 @@ open class UnionApp<TCommand : ICommand, TView, TKey>(
         override var query: IQuery<TView, TKey>?,
         override var logger: ILogger)
     : ICommandApp<TCommand, TKey>, IQueryApp<TView, TKey> {
+
+    @Resource
+    override var jsonSerializer: IJsonSerializer? = null
 }
\ No newline at end of file
diff --git a/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/UnionTypedApp.kt b/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/UnionTypedApp.kt
index 5dd61a5..984b0fc 100644
--- a/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/UnionTypedApp.kt
+++ b/src/gaea.app/src/main/kotlin/com/synebula/gaea/app/UnionTypedApp.kt
@@ -1,10 +1,12 @@
 package com.synebula.gaea.app
 
+import com.synebula.gaea.data.serialization.json.IJsonSerializer
 import com.synebula.gaea.domain.service.ICommand
 import com.synebula.gaea.domain.service.IService
 import com.synebula.gaea.log.ILogger
 import com.synebula.gaea.query.IQuery
 import com.synebula.gaea.query.IQueryTyped
+import javax.annotation.Resource
 
 /**
  * 联合服务，同时实现了ICommandApp和IQueryApp接口
@@ -21,4 +23,7 @@ open class UnionTypedApp<TCommand : ICommand, TView, TKey>(
         override var query: IQueryTyped?,
         override var logger: ILogger)
     : ICommandApp<TCommand, TKey>, IQueryTypedApp<TView, TKey> {
+
+    @Resource
+    override var jsonSerializer: IJsonSerializer? = null
 }
\ No newline at end of file
diff --git a/src/gaea/src/main/kotlin/com/synebula/gaea/data/IObjectConverter.kt b/src/gaea/src/main/kotlin/com/synebula/gaea/data/IObjectConverter.kt
index a375a88..3deb5f2 100644
--- a/src/gaea/src/main/kotlin/com/synebula/gaea/data/IObjectConverter.kt
+++ b/src/gaea/src/main/kotlin/com/synebula/gaea/data/IObjectConverter.kt
@@ -5,7 +5,7 @@ package com.synebula.gaea.data
  *
  * @author alex
  * @version 0.1
- * @since 2018 18-2-2
+ * @since 2020-05-15
  */
 interface IObjectConverter {
 
diff --git a/src/gaea/src/main/kotlin/com/synebula/gaea/data/code/SnowflakeCode.kt b/src/gaea/src/main/kotlin/com/synebula/gaea/data/code/SnowflakeCode.kt
index cfe85ad..3e1c6f1 100644
--- a/src/gaea/src/main/kotlin/com/synebula/gaea/data/code/SnowflakeCode.kt
+++ b/src/gaea/src/main/kotlin/com/synebula/gaea/data/code/SnowflakeCode.kt
@@ -5,7 +5,7 @@ package com.synebula.gaea.data.code
  *
  * @author alex
  * @version 0.1
- * @since 2018 18-2-1
+ * @since 2020-05-15
  *
  *
  * Twitter_Snowflake<br></br>
diff --git a/src/gaea/src/main/kotlin/com/synebula/gaea/data/serializable/AbstractJsonSerializer.kt b/src/gaea/src/main/kotlin/com/synebula/gaea/data/serializable/AbstractJsonSerializer.kt
deleted file mode 100644
index 2a285b5..0000000
--- a/src/gaea/src/main/kotlin/com/synebula/gaea/data/serializable/AbstractJsonSerializer.kt
+++ /dev/null
@@ -1,19 +0,0 @@
-package com.synebula.gaea.data.serializable
-
-abstract class AbstractJsonSerializer : IJsonSerializable {
-
-    protected lateinit var data: Any
-
-
-    /**
-     * 序列化data数据。
-     * 实现的serialize方法必须序列化data对象。
-     *
-     * @param data 需要序列号的数据。
-     * @return 序列化后的json数据。
-     */
-    fun serialize(data: Any): String {
-        this.data = data
-        return this.serialize()
-    }
-}
diff --git a/src/gaea/src/main/kotlin/com/synebula/gaea/data/serialization/IDeserializer.kt b/src/gaea/src/main/kotlin/com/synebula/gaea/data/serialization/IDeserializer.kt
new file mode 100644
index 0000000..e0d170d
--- /dev/null
+++ b/src/gaea/src/main/kotlin/com/synebula/gaea/data/serialization/IDeserializer.kt
@@ -0,0 +1,17 @@
+package com.synebula.gaea.data.serialization
+
+/**
+ * 序列化器
+ */
+interface IDeserializer {
+
+    /**
+     * 反序列化
+     *
+     * @param <S> 源数据类型
+     * @param <T> 目标数据类型
+     * @param src 源数据
+     * @return 目标数据
+     */
+    fun <S, T> deserialize(src: S): T
+}
\ No newline at end of file
diff --git a/src/gaea/src/main/kotlin/com/synebula/gaea/data/serializable/ISerializable.kt b/src/gaea/src/main/kotlin/com/synebula/gaea/data/serialization/ISerializable.kt
similarity index 67%
rename from src/gaea/src/main/kotlin/com/synebula/gaea/data/serializable/ISerializable.kt
rename to src/gaea/src/main/kotlin/com/synebula/gaea/data/serialization/ISerializable.kt
index a85ccd2..8db1a03 100644
--- a/src/gaea/src/main/kotlin/com/synebula/gaea/data/serializable/ISerializable.kt
+++ b/src/gaea/src/main/kotlin/com/synebula/gaea/data/serialization/ISerializable.kt
@@ -1,7 +1,7 @@
-package com.synebula.gaea.data.serializable
+package com.synebula.gaea.data.serialization
 
 /**
- * 继承该接口的类都可以序列号对象。
+ * 继承该接口的类都可以序列化对象。
  *
  * @author alex
  * @version 0.0.1
diff --git a/src/gaea/src/main/kotlin/com/synebula/gaea/data/serialization/ISerializer.kt b/src/gaea/src/main/kotlin/com/synebula/gaea/data/serialization/ISerializer.kt
new file mode 100644
index 0000000..925c518
--- /dev/null
+++ b/src/gaea/src/main/kotlin/com/synebula/gaea/data/serialization/ISerializer.kt
@@ -0,0 +1,17 @@
+package com.synebula.gaea.data.serialization
+
+/**
+ * 序列化器
+ */
+interface ISerializer {
+
+    /**
+     * 序列化
+     *
+     * @param <S> 源数据类型
+     * @param <T> 目标数据类型
+     * @param src 源数据
+     * @return 目标数据
+     */
+    fun <S, T> serialize(src: S): T
+}
\ No newline at end of file
diff --git a/src/gaea/src/main/kotlin/com/synebula/gaea/data/serialization/json/IJsonDeserializer.kt b/src/gaea/src/main/kotlin/com/synebula/gaea/data/serialization/json/IJsonDeserializer.kt
new file mode 100644
index 0000000..da7c13b
--- /dev/null
+++ b/src/gaea/src/main/kotlin/com/synebula/gaea/data/serialization/json/IJsonDeserializer.kt
@@ -0,0 +1,15 @@
+package com.synebula.gaea.data.serialization.json
+
+/**
+ * 序列化器
+ */
+interface IJsonDeserializer {
+    /**
+     * 反序列化
+     *
+     * @param <T> 目标数据类型
+     * @param src Json字符串数据
+     * @return 目标数据
+     */
+    fun <T> deserialize(src: String): T
+}
\ No newline at end of file
diff --git a/src/gaea/src/main/kotlin/com/synebula/gaea/data/serializable/IJsonSerializable.kt b/src/gaea/src/main/kotlin/com/synebula/gaea/data/serialization/json/IJsonSerializable.kt
similarity index 55%
rename from src/gaea/src/main/kotlin/com/synebula/gaea/data/serializable/IJsonSerializable.kt
rename to src/gaea/src/main/kotlin/com/synebula/gaea/data/serialization/json/IJsonSerializable.kt
index de5afeb..f32aede 100644
--- a/src/gaea/src/main/kotlin/com/synebula/gaea/data/serializable/IJsonSerializable.kt
+++ b/src/gaea/src/main/kotlin/com/synebula/gaea/data/serialization/json/IJsonSerializable.kt
@@ -1,4 +1,6 @@
-package com.synebula.gaea.data.serializable
+package com.synebula.gaea.data.serialization.json
+
+import com.synebula.gaea.data.serialization.ISerializable
 
 /**
  *
diff --git a/src/gaea/src/main/kotlin/com/synebula/gaea/data/serialization/json/IJsonSerializer.kt b/src/gaea/src/main/kotlin/com/synebula/gaea/data/serialization/json/IJsonSerializer.kt
new file mode 100644
index 0000000..e154644
--- /dev/null
+++ b/src/gaea/src/main/kotlin/com/synebula/gaea/data/serialization/json/IJsonSerializer.kt
@@ -0,0 +1,15 @@
+package com.synebula.gaea.data.serialization.json
+
+/**
+ * 序列化器
+ */
+interface IJsonSerializer {
+    /**
+     * 序列化
+     *
+     * @param <S> 源数据类型
+     * @param src 源数据
+     * @return Json字符串
+     */
+    fun <S> serialize(src: S): String
+}
\ No newline at end of file
diff --git a/src/gaea/src/main/kotlin/com/synebula/gaea/domain/service/Command.kt b/src/gaea/src/main/kotlin/com/synebula/gaea/domain/service/Command.kt
index dcc92c1..4d99397 100644
--- a/src/gaea/src/main/kotlin/com/synebula/gaea/domain/service/Command.kt
+++ b/src/gaea/src/main/kotlin/com/synebula/gaea/domain/service/Command.kt
@@ -7,7 +7,7 @@ import java.util.*
  *
  * @author alex
  * @version 0.1
- * @since 2018 18-2-8
+ * @since 2020-05-15
  */
 class Command : ICommand {
     override var timestamp = 0L
diff --git a/src/gaea/src/main/kotlin/com/synebula/gaea/domain/service/ICommand.kt b/src/gaea/src/main/kotlin/com/synebula/gaea/domain/service/ICommand.kt
index b80936e..41e4512 100644
--- a/src/gaea/src/main/kotlin/com/synebula/gaea/domain/service/ICommand.kt
+++ b/src/gaea/src/main/kotlin/com/synebula/gaea/domain/service/ICommand.kt
@@ -5,7 +5,7 @@ package com.synebula.gaea.domain.service
  *
  * @author alex
  * @version 0.1
- * @since 2018 18-2-8
+ * @since 2020-05-15
  */
 interface ICommand {
     /**
diff --git a/src/gaea/src/main/kotlin/com/synebula/gaea/domain/service/IServiceComplex.kt b/src/gaea/src/main/kotlin/com/synebula/gaea/domain/service/IServiceComplex.kt
index 9101014..13a545c 100644
--- a/src/gaea/src/main/kotlin/com/synebula/gaea/domain/service/IServiceComplex.kt
+++ b/src/gaea/src/main/kotlin/com/synebula/gaea/domain/service/IServiceComplex.kt
@@ -7,7 +7,7 @@ import com.synebula.gaea.data.message.Message
  *
  * @author alex
  * @version 0.1
- * @since 2018 18-2-8
+ * @since 2020-05-15
  */
 interface IServiceComplex<TKey, TSecond> {
 
diff --git a/src/gaea/src/main/kotlin/com/synebula/gaea/domain/service/Service.kt b/src/gaea/src/main/kotlin/com/synebula/gaea/domain/service/Service.kt
index b41e75d..e801806 100644
--- a/src/gaea/src/main/kotlin/com/synebula/gaea/domain/service/Service.kt
+++ b/src/gaea/src/main/kotlin/com/synebula/gaea/domain/service/Service.kt
@@ -16,7 +16,7 @@ import com.synebula.gaea.log.ILogger
  * @param logger 日志组件
  * @author alex
  * @version 0.1
- * @since 2018 18-2-8
+ * @since 2020-05-15
  */
 open class Service<TAggregateRoot : IAggregateRoot<TKey>, TKey>(
         protected var rootClass: Class<TAggregateRoot>,
diff --git a/src/gaea/src/main/kotlin/com/synebula/gaea/domain/service/ServiceComplex.kt b/src/gaea/src/main/kotlin/com/synebula/gaea/domain/service/ServiceComplex.kt
index f928302..e907788 100644
--- a/src/gaea/src/main/kotlin/com/synebula/gaea/domain/service/ServiceComplex.kt
+++ b/src/gaea/src/main/kotlin/com/synebula/gaea/domain/service/ServiceComplex.kt
@@ -11,7 +11,7 @@ import com.synebula.gaea.log.ILogger
  *
  * @author alex
  * @version 0.1
- * @since 2018 18-2-8
+ * @since 2020-05-15
  */
 open class ServiceComplex<TAggregateRoot : IComplexAggregateRoot<TKey, TSecond>, TKey, TSecond>
 (var logger: ILogger, protected var repository: IRepositoryComplex<TAggregateRoot, TKey, TSecond>,
diff --git a/src/gaea/src/main/kotlin/com/synebula/gaea/query/OrderType.kt b/src/gaea/src/main/kotlin/com/synebula/gaea/query/OrderType.kt
index 1865296..cf4f6be 100644
--- a/src/gaea/src/main/kotlin/com/synebula/gaea/query/OrderType.kt
+++ b/src/gaea/src/main/kotlin/com/synebula/gaea/query/OrderType.kt
@@ -5,7 +5,7 @@ package com.synebula.gaea.query
  *
  * @author alex
  * @version 0.1
- * @since 2018 18-2-6
+ * @since 2020-05-15
  */
 enum class OrderType {
     /**
diff --git a/src/gaea/src/main/kotlin/com/synebula/gaea/query/PagingParam.kt b/src/gaea/src/main/kotlin/com/synebula/gaea/query/PagingParam.kt
index de61140..234fc91 100644
--- a/src/gaea/src/main/kotlin/com/synebula/gaea/query/PagingParam.kt
+++ b/src/gaea/src/main/kotlin/com/synebula/gaea/query/PagingParam.kt
@@ -5,7 +5,7 @@ package com.synebula.gaea.query
  *
  * @author alex
  * @version 0.1
- * @since 2018 18-2-5
+ * @since 2020-05-15
  */
 data class PagingParam(var page: Int = 1, var size: Int = 10) {