diff --git a/include/eArango.hrl b/include/eArango.hrl
index 9b34742..9a80b10 100644
--- a/include/eArango.hrl
+++ b/include/eArango.hrl
@@ -5,3 +5,7 @@
 -define(AgHead, 4).              %% (not used in VPP)
 -define(AgPatch, 5).
 -define(AgOptions, 6).           %% (not used in VPP)
+
+-define(AgDefQuery, #{}).
+-define(AgDefHeader, #{}).
+-define(AgDefBody, <<>>).
\ No newline at end of file
diff --git a/src/agApi/agAdminMonitor.erl b/src/agApi/agAdminMonitor.erl
index 72f4c2e..5ea269a 100644
--- a/src/agApi/agAdminMonitor.erl
+++ b/src/agApi/agAdminMonitor.erl
@@ -34,12 +34,10 @@
 % 400：如果为up或level指定了无效值，则返回。
 % 500：如果服务器由于内存不足错误而无法生成结果，则返回。
 getAdminLog(PoolNameOrSocket) ->
-   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_admin/log">>, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_admin/log">>).
 
 getAdminLog(PoolNameOrSocket, QueryPars) ->
-   QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
-   Path = <<"/_admin/log", QueryBinary/binary>>,
-   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, Path, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_admin/log">>, QueryPars, ?AgDefHeader, ?AgDefBody).
 
 % 返回当前的日志级别设置
 % GET /_admin/log/level
@@ -48,7 +46,7 @@ getAdminLog(PoolNameOrSocket, QueryPars) ->
 % 200：如果请求有效，则返回
 % 500：如果服务器由于内存不足错误而无法生成结果，则返回。
 getAdminLogLevel(PoolNameOrSocket) ->
-   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_admin/log/level">>, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_admin/log/level">>).
 
 % 修改当前的日志级别设置
 % PUT /_admin/log/level
@@ -109,8 +107,8 @@ getAdminLogLevel(PoolNameOrSocket) ->
 % 405：使用无效的HTTP方法时返回。
 % 500：如果服务器由于内存不足错误而无法生成结果，则返回。
 modifyAdminLogLevel(PoolNameOrSocket, MapData) ->
-   BodyStr = jiffy:encode(MapData),
-   agVstCli:callAgency(PoolNameOrSocket, ?AgPut, <<"/_admin/log/level">>, [], BodyStr).
+   BodyStr = eVPack:encodeBin(MapData),
+   agVstCli:callAgency(PoolNameOrSocket, ?AgPut, <<"/_admin/log/level">>, ?AgDefQuery, ?AgDefHeader, BodyStr).
 
 % 返回统计信息
 % GET /_admin/statistics
@@ -180,7 +178,7 @@ modifyAdminLogLevel(PoolNameOrSocket, MapData) ->
 % 进行中：当前繁忙的工作线程数
 % 排队：排队等待工作线程可用的作业数
 getAdminProps(PoolNameOrSocket) ->
-   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_admin/statistics">>, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_admin/statistics">>).
 
 % 统计数据说明
 % 获取统计信息的描述性信息
@@ -214,7 +212,7 @@ getAdminProps(PoolNameOrSocket) ->
 % code：HTTP状态码
 % 错误：错误，在这种情况下为false
 getAdminStatisticsDesc(PoolNameOrSocket) ->
-   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_admin/statistics-description">>, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_admin/statistics-description">>).
 
 % TLS 永久链接
 % 返回TLS数据的摘要
@@ -233,7 +231,7 @@ getAdminStatisticsDesc(PoolNameOrSocket) ->
 % 返回码
 % 200：如果一切正常，此API将返回HTTP 200
 getAdminTLS(PoolNameOrSocket) ->
-   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_admin/server/tls">>, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_admin/server/tls">>).
 
 % 触发TLS数据的重新加载并返回摘要永久链接
 % 触发此服务器的TLS数据（服务器密钥，客户端身份验证CA）的重新加载，并以摘要形式返回新数据。
@@ -244,9 +242,9 @@ getAdminTLS(PoolNameOrSocket) ->
 % 200：如果一切正常，此API将返回HTTP 200
 % 403：如果未使用超级用户权限调用此API，它将返回HTTP 403 FORBIDDEN。
 triggerAdminTLS(PoolNameOrSocket) ->
-   agVstCli:callAgency(PoolNameOrSocket, ?AgPost, <<"/_admin/server/tls">>, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgPost, <<"/_admin/server/tls">>).
 
-% 返回当前实例指标
+% 返回当前实例指标 IMY-todo 这个接口返回的数据不是json也不是vpack
 % GET /_admin/metrics
 % 以Prometheus格式返回实例的当前指标。返回的文档收集所有实例指标，这些指标在任何给定时间进行测量，并将其公开以供Prometheus收集。
 % 该文档包含不同的度量标准和度量标准组，具体取决于查询实例的角色。所有导出的指标都使用arangodb_或rocksdb_字符串发布，以将其与其他收集的数据区分开。
@@ -255,7 +253,7 @@ triggerAdminTLS(PoolNameOrSocket) ->
 % 200：指标已成功返回。
 % 404：可以使用--server.export-metrics-api false 服务器中的设置禁用指标API 。在这种情况下，调用结果表明找不到该API。
 getAdminMetrics(PoolNameOrSocket) ->
-   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_admin/metrics">>, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_admin/metrics">>).
 
 
 % 集群
@@ -267,7 +265,7 @@ getAdminMetrics(PoolNameOrSocket) ->
 % 返回码
 % 200：如果一切正常，此API将返回HTTP 200
 getAdminServerMode(PoolNameOrSocket) ->
-   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_admin/server/mode">>, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_admin/server/mode">>).
 
 % 返回集群永久链接中服务器的ID
 % 了解服务器的内部ID
@@ -277,7 +275,7 @@ getAdminServerMode(PoolNameOrSocket) ->
 % 200：当服务器以群集模式运行时返回。
 % 500：当服务器未在群集模式下运行时返回。
 getAdminServerId(PoolNameOrSocket) ->
-   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_admin/server/id">>, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_admin/server/id">>).
 
 % 返回集群中服务器的角色
 % GET /_admin/server/role
@@ -294,7 +292,7 @@ getAdminServerId(PoolNameOrSocket) ->
 % errorNum：服务器错误号
 % 作用：之一[ SINGLE，协调员，PRIMARY，SECONDARY，AGENT，UNDEFINED ]
 getAdminServerRole(PoolNameOrSocket) ->
-   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_admin/server/role">>, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_admin/server/role">>).
 
 
 % 返回服务器是否可用
@@ -305,7 +303,7 @@ getAdminServerRole(PoolNameOrSocket) ->
 % 200：如果服务器已启动并且正在运行并且可用于任意操作，并且未设置为只读模式，并且在活动故障转移设置的情况下当前不是关注者，则此API将返回HTTP 200。
 % 503：如果服务器在启动或关闭过程中，设置为只读模式或当前在活动故障转移设置中为关注者，则将返回HTTP 503。
 getAdminServerAvailability(PoolNameOrSocket) ->
-   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_admin/server/availability">>, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_admin/server/availability">>).
 
 % DBserver 永久链接的查询统计信息
 % 允许查询集群中数据库服务器的统计信息
@@ -318,7 +316,7 @@ getAdminServerAvailability(PoolNameOrSocket) ->
 % 403：
 getAdminClusterProps(PoolNameOrSocket, DBserver) ->
    Path = <<"/_admin/clusterStatistics?DBserver=", (agMiscUtils:toBinary(DBserver))/binary>>,
-   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, Path, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, Path).
 
 % 查询集群的运行状况以监视Permalink
 % 返回由监督（机构）评估的集群的运行状况
@@ -349,7 +347,7 @@ getAdminClusterProps(PoolNameOrSocket, DBserver) ->
 % 返回码
 % 200：
 getAdminClusterHealth(PoolNameOrSocket) ->
-   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_admin/cluster/health">>, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_admin/cluster/health">>).
 
 % 重新加载路由表。
 % POST /_admin/routing/reload
@@ -357,4 +355,4 @@ getAdminClusterHealth(PoolNameOrSocket) ->
 % 返回码
 % 200：路由信息重新加载成功
 reloadAdminRouting(PoolNameOrSocket) ->
-   agVstCli:callAgency(PoolNameOrSocket, ?AgPost, <<"/_admin/routing/reload">>, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgPost, <<"/_admin/routing/reload">>).
diff --git a/src/agApi/agAnalyzers.erl b/src/agApi/agAnalyzers.erl
index 4f5b1d8..8ac0b3d 100644
--- a/src/agApi/agAnalyzers.erl
+++ b/src/agApi/agAnalyzers.erl
@@ -25,8 +25,8 @@
 %    400：缺少一个或多个必需参数，或者一个或多个参数无效。
 %    403：用户无权使用此配置创建和分析器。
 newAnalyzer(PoolNameOrSocket, MapData) ->
-   BodyStr = jiffy:encode(MapData),
-   agVstCli:callAgency(PoolNameOrSocket, ?AgPost, <<"/_api/analyzer">>, [], BodyStr).
+   BodyStr = eVPack:encodeBin(MapData),
+   agVstCli:callAgency(PoolNameOrSocket, ?AgPost, <<"/_api/analyzer">>, ?AgDefQuery, ?AgDefHeader, BodyStr).
 
 % 返回分析器定义
 % GET /_api/analyzer/{analyzer-name}
@@ -42,7 +42,7 @@ newAnalyzer(PoolNameOrSocket, MapData) ->
 %   404：不存在这种分析器配置。
 getAnalyzer(PoolNameOrSocket, AnalyzerName) ->
    Path = <<"/_api/analyzer/", AnalyzerName/binary>>,
-   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, Path, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, Path).
 
 % 返回可用的分析器定义列表
 % GET /_api/analyzer
@@ -54,7 +54,7 @@ getAnalyzer(PoolNameOrSocket, AnalyzerName) ->
 % 返回码
 % 200：分析器定义已成功检索。
 getAnalyzerList(PoolNameOrSocket) ->
-   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_api/analyzer">>, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_api/analyzer">>).
 
 % 删除分析仪配置
 % DELETE /_api/analyzer/{analyzer-name}
@@ -74,9 +74,8 @@ getAnalyzerList(PoolNameOrSocket) ->
 %    409：指定的分析器配置仍在使用中，并且省略了强制或 指定了错误。。
 delAnalyzer(PoolNameOrSocket, AnalyzerName) ->
    Path = <<"/_api/analyzer/", AnalyzerName/binary>>,
-   agVstCli:callAgency(PoolNameOrSocket, ?AgDelete, Path, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgDelete, Path).
 
 delAnalyzer(PoolNameOrSocket, AnalyzerName, QueryPars) ->
-   QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
-   Path = <<"/_api/analyzer/", AnalyzerName/binary, QueryBinary/binary>>,
-   agVstCli:callAgency(PoolNameOrSocket, ?AgDelete, Path, [], undefined).
+   Path = <<"/_api/analyzer/", AnalyzerName/binary>>,
+   agVstCli:callAgency(PoolNameOrSocket, ?AgDelete, Path, QueryPars, ?AgDefHeader, ?AgDefBody).
diff --git a/src/agApi/agAqls.erl b/src/agApi/agAqls.erl
index 8562691..f069b4d 100644
--- a/src/agApi/agAqls.erl
+++ b/src/agApi/agAqls.erl
@@ -85,8 +85,8 @@
 % 404：如果查询中访问了不存在的集合，服务器将以HTTP 404进行响应。
 % 405：如果使用了不受支持的HTTP方法，则服务器将以HTTP 405进行响应。
 newCursor(PoolNameOrSocket, MapData) ->
-   BodyStr = jiffy:encode(MapData),
-   agVstCli:callAgency(PoolNameOrSocket, ?AgPost, <<"/_api/cursor">>, [], BodyStr).
+   BodyStr = eVPack:encodeBin(MapData),
+   agVstCli:callAgency(PoolNameOrSocket, ?AgPost, <<"/_api/cursor">>, ?AgDefQuery, ?AgDefHeader, BodyStr).
 
 
 % 从现有游标返回下一个结果
@@ -105,7 +105,7 @@ newCursor(PoolNameOrSocket, MapData) ->
 % 404：如果找不到具有指定标识符的游标，则服务器将使用HTTP 404进行响应。
 nextCursor(PoolNameOrSocket, CursorId) ->
    Path = <<"/_api/cursor/", (agMiscUtils:toBinary(CursorId))/binary>>,
-   agVstCli:callAgency(PoolNameOrSocket, ?AgPut, Path, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgPut, Path).
 
 % 删除光标永
 % DELETE /_api/cursor/{cursor-identifier}
@@ -119,7 +119,7 @@ nextCursor(PoolNameOrSocket, CursorId) ->
 %    404：如果服务器不知道游标，则返回404。如果在销毁游标后使用了游标，也将返回该值。
 delCursor(PoolNameOrSocket, CursorId) ->
    Path = <<"/_api/cursor/", (agMiscUtils:toBinary(CursorId))/binary>>,
-   agVstCli:callAgency(PoolNameOrSocket, ?AgDelete, Path, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgDelete, Path).
 
 % AQL查询的HTTP接口
 %
@@ -154,8 +154,8 @@ delCursor(PoolNameOrSocket, CursorId) ->
 %    400：如果请求格式错误或查询包含解析错误，服务器将以HTTP 400响应。响应的正文将包含嵌入在JSON对象中的错误详细信息。如果查询引用任何变量，则忽略绑定变量也会导致HTTP 400错误。
 %    404：如果查询中访问了不存在的集合，服务器将以HTTP 404进行响应。
 explainQuery(PoolNameOrSocket, MapData) ->
-   BodyStr = jiffy:encode(MapData),
-   agVstCli:callAgency(PoolNameOrSocket, ?AgPost, <<"/_api/explain">>, [], BodyStr).
+   BodyStr = eVPack:encodeBin(MapData),
+   agVstCli:callAgency(PoolNameOrSocket, ?AgPost, <<"/_api/explain">>, ?AgDefQuery, ?AgDefHeader, BodyStr).
 
 % 解析一个AQL查询并返回有关它的信息
 % POST /_api/query
@@ -166,8 +166,8 @@ explainQuery(PoolNameOrSocket, MapData) ->
 %    200：如果查询有效，服务器将使用HTTP 200进行响应，并在响应的bindVars属性中返回在查询中找到的绑定参数的名称（如果有）。它还将在collections属性中返回查询中使用的collections的数组。如果查询可以成功解析，则返回的JSON 的ast属性将包含查询的抽象语法树表示形式。ast的格式在将来的ArangoDB版本中可能会发生变化，但是可以用来检查ArangoDB如何解释给定查询。请注意，将在不对其应用任何优化的情况下返回抽象语法树。
 %    400：如果请求格式错误或查询包含解析错误，服务器将以HTTP 400响应。响应的正文将包含嵌入在JSON对象中的错误详细信息。
 parseQuery(PoolNameOrSocket, MapData) ->
-   BodyStr = jiffy:encode(MapData),
-   agVstCli:callAgency(PoolNameOrSocket, ?AgPost, <<"/_api/query">>, [], BodyStr).
+   BodyStr = eVPack:encodeBin(MapData),
+   agVstCli:callAgency(PoolNameOrSocket, ?AgPost, <<"/_api/query">>, ?AgDefQuery, ?AgDefHeader, BodyStr).
 
 % 查询跟踪固定链接
 % ArangoDB具有HTTP接口，用于检索当前正在执行的AQL查询列表和慢速AQL查询列表。为了有意义地使用这些API，需要在执行HTTP请求的数据库中启用查询跟踪。
@@ -185,7 +185,7 @@ parseQuery(PoolNameOrSocket, MapData) ->
 % 200：如果成功检索到属性，则返回。
 % 400：如果请求格式错误，服务器将以HTTP 400进行响应，
 getQueryProps(PoolNameOrSocket) ->
-   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_api/query/properties">>, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_api/query/properties">>).
 
 % 更改AQL查询跟踪的配置
 % PUT /_api/query/properties
@@ -202,8 +202,8 @@ getQueryProps(PoolNameOrSocket) ->
 %     200：如果属性更改成功，则返回。
 %     400：如果请求格式错误，服务器将以HTTP 400进行响应，
 changeQueryProps(PoolNameOrSocket, MapData) ->
-   BodyStr = jiffy:encode(MapData),
-   agVstCli:callAgency(PoolNameOrSocket, ?AgPut, <<"/_api/query/properties">>, [], BodyStr).
+   BodyStr = eVPack:encodeBin(MapData),
+   agVstCli:callAgency(PoolNameOrSocket, ?AgPut, <<"/_api/query/properties">>, ?AgDefQuery, ?AgDefHeader, BodyStr).
 
 % 返回当前正在运行的AQL查询的列表
 % GET /_api/query/current
@@ -219,7 +219,7 @@ changeQueryProps(PoolNameOrSocket, MapData) ->
 %    200：可以成功检索查询列表时返回。
 %    400：如果请求格式错误，服务器将以HTTP 400进行响应，
 currentQuery(PoolNameOrSocket) ->
-   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_api/query/current">>, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_api/query/current">>).
 
 
 % 返回运行缓慢的AQL查询的列表
@@ -237,7 +237,7 @@ currentQuery(PoolNameOrSocket) ->
 %     200：可以成功检索查询列表时返回。
 %     400：如果请求格式错误，服务器将以HTTP 400进行响应，
 getSlowQuery(PoolNameOrSocket) ->
-   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_api/query/slow">>, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_api/query/slow">>).
 
 % 清除慢速AQL查询列表
 % DELETE /_api/query/slow
@@ -246,7 +246,7 @@ getSlowQuery(PoolNameOrSocket) ->
 % 200：成功清除查询列表后，服务器将以HTTP 200响应。
 % 400：如果请求格式错误，服务器将使用HTTP 400进行响应。
 delSlowQuery(PoolNameOrSocket) ->
-   agVstCli:callAgency(PoolNameOrSocket, ?AgDelete, <<"/_api/query/slow">>, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgDelete, <<"/_api/query/slow">>).
 
 
 % 杀死查询永久链接
@@ -263,7 +263,7 @@ delSlowQuery(PoolNameOrSocket) ->
 %     404：当找不到指定ID的查询时，服务器将以HTTP 404响应。
 killQuery(PoolNameOrSocket, QueryId) ->
    Path = <<"/_api/query/", (agMiscUtils:toBinary(QueryId))/binary>>,
-   agVstCli:callAgency(PoolNameOrSocket, ?AgDelete, Path, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgDelete, Path).
 
 % AQL查询结果缓存的HTTP接口
 % 本节介绍用于控制AQL查询结果缓存的API方法。
@@ -284,7 +284,7 @@ killQuery(PoolNameOrSocket, QueryId) ->
 %    200：可以成功检索结果列表时返回。
 %    400：如果请求格式错误，服务器将以HTTP 400进行响应，
 getQueryCaches(PoolNameOrSocket) ->
-   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_api/query-cache/entries">>, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_api/query-cache/entries">>).
 
 % 清除AQL查询结果缓存中的所有结果
 % DELETE /_api/query-cache
@@ -293,7 +293,7 @@ getQueryCaches(PoolNameOrSocket) ->
 %    200：成功清除缓存后，服务器将以HTTP 200响应。
 %    400：如果请求格式错误，服务器将使用HTTP 400进行响应。
 clearQueryCaches(PoolNameOrSocket) ->
-   agVstCli:callAgency(PoolNameOrSocket, ?AgDelete, <<"/_api/query-cache">>, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgDelete, <<"/_api/query-cache">>).
 
 % 返回AQL查询结果缓存的全局配置
 % GET /_api/query-cache/properties
@@ -307,7 +307,7 @@ clearQueryCaches(PoolNameOrSocket) ->
 %    200：如果可以成功检索属性，则返回。
 %    400：如果请求格式错误，服务器将以HTTP 400进行响应，
 getQCacheProps(PoolNameOrSocket) ->
-   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_api/query-cache/properties">>, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_api/query-cache/properties">>).
 
 % 全局调整AQL查询结果缓存属性
 % PUT /_api/query-cache/properties
@@ -323,8 +323,8 @@ getQCacheProps(PoolNameOrSocket) ->
 % 200：如果属性更改成功，则返回。
 % 400：如果请求格式错误，服务器将以HTTP 400进行响应，
 changeQCacheProps(PoolNameOrSocket, MapData) ->
-   BodyStr = jiffy:encode(MapData),
-   agVstCli:callAgency(PoolNameOrSocket, ?AgPut, <<"/_api/query-cache/properties">>, [], BodyStr).
+   BodyStr = eVPack:encodeBin(MapData),
+   agVstCli:callAgency(PoolNameOrSocket, ?AgPut, <<"/_api/query-cache/properties">>, ?AgDefQuery, ?AgDefHeader, BodyStr).
 
 % AQL用户功能管理固定链接
 % 这是用于管理AQL用户功能的ArangoDB HTTP接口的简介。AQL用户功能是一种使用用户定义的JavaScript代码扩展ArangoDB查询语言（AQL）功能的方法。
@@ -353,8 +353,8 @@ changeQCacheProps(PoolNameOrSocket, MapData) ->
 %    errorNum：服务器错误号
 %    errorMessage：描述性错误消息
 newUserFun(PoolNameOrSocket, MapData) ->
-   BodyStr = jiffy:encode(MapData),
-   agVstCli:callAgency(PoolNameOrSocket, ?AgPost, <<"/_api/aqlfunction">>, [], BodyStr).
+   BodyStr = eVPack:encodeBin(MapData),
+   agVstCli:callAgency(PoolNameOrSocket, ?AgPost, <<"/_api/aqlfunction">>, ?AgDefQuery, ?AgDefHeader, BodyStr).
 
 % 删除现有的AQL用户功能
 % DELETE /_api/aqlfunction/{name}
@@ -381,12 +381,11 @@ newUserFun(PoolNameOrSocket, MapData) ->
 %     errorMessage：描述性错误消息
 delUserFun(PoolNameOrSocket, UserFunName) ->
    Path = <<"/_api/aqlfunction/", (agMiscUtils:toBinary(UserFunName))/binary>>,
-   agVstCli:callAgency(PoolNameOrSocket, ?AgDelete, Path, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgDelete, Path).
 
 delUserFun(PoolNameOrSocket, UserFunName, QueryPars) ->
-   QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
-   Path = <<"/_api/aqlfunction/", (agMiscUtils:toBinary(UserFunName))/binary, QueryBinary/binary>>,
-   agVstCli:callAgency(PoolNameOrSocket, ?AgDelete, Path, [], undefined).
+   Path = <<"/_api/aqlfunction/", (agMiscUtils:toBinary(UserFunName))/binary>>,
+   agVstCli:callAgency(PoolNameOrSocket, ?AgDelete, Path, QueryPars, ?AgDefHeader, ?AgDefBody).
 
 % 返回注册的AQL用户功能
 % GET /_api/aqlfunction
@@ -407,12 +406,10 @@ delUserFun(PoolNameOrSocket, UserFunName, QueryPars) ->
 %     errorNum：服务器错误号
 %     errorMessage：描述性错误消息
 getUserFuns(PoolNameOrSocket) ->
-   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_api/aqlfunction">>, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_api/aqlfunction">>).
 
 getUserFuns(PoolNameOrSocket, QueryPars) ->
-   QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
-   Path = <<"/_api/aqlfunction", QueryBinary/binary>>,
-   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, Path, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, <<"/_api/aqlfunction">>, QueryPars, ?AgDefHeader, ?AgDefBody).
 
 
 
diff --git a/src/agApi/agAsyncResultHandling.erl b/src/agApi/agAsyncResultHandling.erl
index 27c19cd..a69e014 100644
--- a/src/agApi/agAsyncResultHandling.erl
+++ b/src/agApi/agAsyncResultHandling.erl
@@ -68,7 +68,7 @@
 %    404：如果找不到或已经从作业结果列表中删除或提取了作业，则返回404。在这种情况下，不会返回x-arango-async-id HTTP标头。
 getAsyncJobRet(PoolNameOrSocket, JodId) ->
    Path = <<"/_api/job/", (agMiscUtils:toBinary(JodId))/binary>>,
-   agVstCli:callAgency(PoolNameOrSocket, ?AgPut, Path, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgPut, Path).
 
 
 % 取消异步作业
@@ -82,7 +82,7 @@ getAsyncJobRet(PoolNameOrSocket, JodId) ->
 % 404：如果找不到或已经从作业结果列表中删除或提取了作业，则返回404。在这种情况下，不会返回x-arango-async-id HTTP标头。
 cancelAsyncJob(PoolNameOrSocket, JodId) ->
    Path = <<"/_api/job/", (agMiscUtils:toBinary(JodId))/binary, "/cancel">>,
-   agVstCli:callAgency(PoolNameOrSocket, ?AgPut, Path, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgPut, Path).
 
 % 删除异步作业结果
 % DELETE /_api/job/{type}#by-type
@@ -100,12 +100,11 @@ cancelAsyncJob(PoolNameOrSocket, JodId) ->
 %     404：如果type为job-id，但未找到具有指定id的异步作业，则返回404。
 delAsyncJobRet(PoolNameOrSocket, TypeOrJodId) ->
    Path = <<"/_api/job/", (agMiscUtils:toBinary(TypeOrJodId))/binary>>,
-   agVstCli:callAgency(PoolNameOrSocket, ?AgDelete, Path, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgDelete, Path).
 
 delAsyncJobRet(PoolNameOrSocket, TypeOrJodId, QueryPars) ->
-   QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
-   Path = <<"/_api/job/", (agMiscUtils:toBinary(TypeOrJodId))/binary, QueryBinary/binary>>,
-   agVstCli:callAgency(PoolNameOrSocket, ?AgDelete, Path, [], undefined).
+   Path = <<"/_api/job/", (agMiscUtils:toBinary(TypeOrJodId))/binary>>,
+   agVstCli:callAgency(PoolNameOrSocket, ?AgDelete, Path, QueryPars, ?AgDefHeader, ?AgDefBody).
 
 % 返回特定作业的状态
 % GET /_api/job/{job-id}
@@ -118,7 +117,7 @@ delAsyncJobRet(PoolNameOrSocket, TypeOrJodId, QueryPars) ->
 %     404：如果找不到或已经从作业结果列表中删除或提取了作业，则返回404。
 getAsyncJobStatus(PoolNameOrSocket, JodId) ->
    Path = <<"/_api/job/", (agMiscUtils:toBinary(JodId))/binary>>,
-   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, Path, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, Path).
 
 % 返回具有特定状态的工作结果ID
 % GET /_api/job/{type}#by-type
@@ -132,9 +131,9 @@ getAsyncJobStatus(PoolNameOrSocket, JodId) ->
 %     400：如果未指定type或值无效，则返回。
 getAsyncJobList(PoolNameOrSocket, Type) ->
    Path = <<"/_api/job/", (agMiscUtils:toBinary(Type))/binary>>,
-   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, Path, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, Path).
 
 getAsyncJobList(PoolNameOrSocket, Type, Count) ->
    Path = <<"/_api/job/", (agMiscUtils:toBinary(Type))/binary, "?count=", (agMiscUtils:toBinary(Count))/binary>>,
-   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, Path, [], undefined).
+   agVstCli:callAgency(PoolNameOrSocket, ?AgGet, Path).
 
diff --git a/src/agApi/agBulkImportExport.erl b/src/agApi/agBulkImportExport.erl
index 7a3aa5a..eb8a061 100644
--- a/src/agApi/agBulkImportExport.erl
+++ b/src/agApi/agBulkImportExport.erl
@@ -57,9 +57,9 @@
 %    500：如果服务器无法为没有用户定义密钥的文档自动生成文档密钥（密钥错误），则返回500。
 docImport(PoolNameOrSocket, ListOfList, QueryPars) ->
    QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
-   Path = <<"/_api/import", QueryBinary/binary>>,
-   BodyStr = <<<<(jiffy:encode(OneList))/binary, "\n">> || OneList <- ListOfList>>,
-   agVstCli:callAgency(PoolNameOrSocket, ?AgPost, Path, [], BodyStr).
+   Path = <<"/_api/import">>,
+   BodyStr = <<<<(eVPack:encodeBin(OneList))/binary, "\n">> || OneList <- ListOfList>>,
+   agVstCli:callAgency(PoolNameOrSocket, ?AgPost, Path, QueryPars, ?AgDefHeader, BodyStr).
 
 % 从JSON导入文档
 % POST /_api/import#json
@@ -101,9 +101,9 @@ docImport(PoolNameOrSocket, ListOfList, QueryPars) ->
 jsonImport(PoolNameOrSocket, MapDataList, QueryPars) ->
    case lists:keyfind(type, 1, QueryPars) of
       {type, list} ->
-         BodyStr = jiffy:encode(MapDataList);
+         BodyStr = eVPack:encodeBin(MapDataList);
       {type, documents} ->
-         BodyStr = <<<<(jiffy:encode(OneList))/binary, "\n">> || OneList <- MapDataList>>;
+         BodyStr = <<<<(eVPack:encodeBin(OneList))/binary, "\n">> || OneList <- MapDataList>>;
       _ ->
          BodyStr = MapDataList
    end,
@@ -229,5 +229,5 @@ jsonImport(PoolNameOrSocket, MapDataList, QueryPars) ->
 %    501：如果在群集协调器上调用此API，则服务器将使用HTTP 501进行响应。
 docExport(PoolNameOrSocket, CollName, MapData) ->
    Path = <<"/_api/export?collection=", CollName/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPost, Path, [], BodyStr).
\ No newline at end of file
diff --git a/src/agApi/agCollections.erl b/src/agApi/agCollections.erl
index b4d03c0..d6054d6 100644
--- a/src/agApi/agCollections.erl
+++ b/src/agApi/agCollections.erl
@@ -92,13 +92,13 @@
 %   HTTP 200
 
 newColl(PoolNameOrSocket, MapData) ->
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPost, <<"/_api/collection">>, [], BodyStr).
 
 newColl(PoolNameOrSocket, MapData, QueryPars) ->
    QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
    Path = <<"/_api/collection", QueryBinary/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPost, Path, [], BodyStr).
 
 % 删除收藏
@@ -231,7 +231,7 @@ collFigures(PoolNameOrSocket, CollName) ->
 % eg: MapData = #{'_key' => testkey, value => 23}
 collResponsibleShard(PoolNameOrSocket, CollName, MapData) ->
    Path = <<"/_api/collection/", CollName/binary, "/responsibleShard">>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgGet, Path, [], BodyStr).
 
 % 返回集合的分片ID
@@ -351,7 +351,7 @@ loadColl(PoolNameOrSocket, CollName) ->
    agVstCli:callAgency(PoolNameOrSocket, ?AgPut, Path, [], undefined).
 
 loadColl(PoolNameOrSocket, CollName, MapData) ->
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPut, <<"/_api/collection/", CollName/binary, "/load">>, [], BodyStr).
 
 % 卸载集合
@@ -421,7 +421,7 @@ collLoadIndexesIntoMemory(PoolNameOrSocket, CollName) ->
 % 404：如果集合名称未知，则 返回HTTP 404。
 collChangeProps(PoolNameOrSocket, CollName, MapData) ->
    Path = <<"/_api/collection/", CollName/binary, "/properties">>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPut, Path, [], BodyStr).
 
 % 重命名集合
@@ -446,7 +446,7 @@ collChangeProps(PoolNameOrSocket, CollName, MapData) ->
 % 404：如果集合名称未知，则 返回HTTP 404。
 renameColl(PoolNameOrSocket, OldName, NewName) ->
    Path = <<"/_api/collection/", OldName/binary, "/rename">>,
-   NameStr = jiffy:encode(NewName),
+   NameStr = eVPack:encodeBin(NewName),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPut, Path, [], <<"{\"name\":", NameStr/binary, "}">>).
 
 % 旋转收藏夹的日记
diff --git a/src/agApi/agDbMgr.erl b/src/agApi/agDbMgr.erl
index 90c3e41..664338e 100644
--- a/src/agApi/agDbMgr.erl
+++ b/src/agApi/agDbMgr.erl
@@ -79,7 +79,7 @@ allDbs(PoolNameOrSocket) ->
 % 403：如果请求未在_system数据库中执行，则返回。
 % 409：如果具有指定名称的数据库已经存在，则返回。
 newDb(PoolNameOrSocket, MapData) ->
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPost, <<"/_api/database">>, [], BodyStr, true).
 
 % 删除现有数据库
diff --git a/src/agApi/agDocuments.erl b/src/agApi/agDocuments.erl
index 9e4411a..58de825 100644
--- a/src/agApi/agDocuments.erl
+++ b/src/agApi/agDocuments.erl
@@ -168,13 +168,13 @@ getDocHead(PoolNameOrSocket, CollName, Key, Headers) ->
 % 409：如果在索引属性中具有相同限定词的文档与现有文档发生冲突并因此违反了该唯一约束，则在单个文档的情况下返回409。在这种情况下，响应主体包含一个错误文档。
 newDoc(PoolNameOrSocket, CollName, MapData) ->
    Path = <<"/_api/document/", CollName/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPost, Path, [], BodyStr).
 
 newDoc(PoolNameOrSocket, CollName, MapData, QueryPars) ->
    QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
    Path = <<"/_api/document/", CollName/binary, QueryBinary/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPost, Path, [], BodyStr).
 
 % 替换文档
@@ -212,19 +212,19 @@ newDoc(PoolNameOrSocket, CollName, MapData, QueryPars) ->
 % 412：如果违反了前提条件，则返回。该响应还将在_rev 属性中包含找到的文档的当前修订。此外，将返回属性_id和_key。
 replaceDoc(PoolNameOrSocket, CollName, Key, MapData) ->
    Path = <<"/_api/document/", CollName/binary, "/", (agMiscUtils:toBinary(Key))/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPut, Path, [], BodyStr).
 
 replaceDoc(PoolNameOrSocket, CollName, Key, MapData, QueryPars) ->
    QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
    Path = <<"/_api/document/", CollName/binary, "/", (agMiscUtils:toBinary(Key))/binary, QueryBinary/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPut, Path, [], BodyStr).
 
 replaceDoc(PoolNameOrSocket, CollName, Key, MapData, QueryPars, Headers) ->
    QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
    Path = <<"/_api/document/", CollName/binary, "/", (agMiscUtils:toBinary(Key))/binary, QueryBinary/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPut, Path, Headers, BodyStr).
 
 % 更新文档
@@ -265,19 +265,19 @@ replaceDoc(PoolNameOrSocket, CollName, Key, MapData, QueryPars, Headers) ->
 % 412：如果违反了前提条件，则返回。该响应还将在_rev 属性中包含找到的文档的当前修订。此外，将返回属性_id和_key。
 updateDoc(PoolNameOrSocket, CollName, Key, MapData) ->
    Path = <<"/_api/document/", CollName/binary, "/", (agMiscUtils:toBinary(Key))/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPatch, Path, [], BodyStr).
 
 updateDoc(PoolNameOrSocket, CollName, Key, MapData, QueryPars) ->
    QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
    Path = <<"/_api/document/", CollName/binary, "/", (agMiscUtils:toBinary(Key))/binary, QueryBinary/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPatch, Path, [], BodyStr).
 
 updateDoc(PoolNameOrSocket, CollName, Key, MapData, QueryPars, Headers) ->
    QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
    Path = <<"/_api/document/", CollName/binary, "/", (agMiscUtils:toBinary(Key))/binary, QueryBinary/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPatch, Path, Headers, BodyStr).
 
 % 删除文档
@@ -337,7 +337,7 @@ delDoc(PoolNameOrSocket, CollName, Key, QueryPars, Headers) ->
 getDocs(PoolNameOrSocket, CollName, KeyOrMapDataList) ->
    QueryBinary = agMiscUtils:spellQueryPars([{onlyget, true}]),
    Path = <<"/_api/document/", CollName/binary, QueryBinary/binary>>,
-   BodyStr = jiffy:encode(KeyOrMapDataList),
+   BodyStr = eVPack:encodeBin(KeyOrMapDataList),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPut, Path, [], BodyStr).
 
 getDocs(PoolNameOrSocket, CollName, KeyOrMapDataList, QueryPars) ->
@@ -350,7 +350,7 @@ getDocs(PoolNameOrSocket, CollName, KeyOrMapDataList, QueryPars) ->
       end,
    QueryBinary = agMiscUtils:spellQueryPars(LastQueryPars),
    Path = <<"/_api/document/", CollName/binary, QueryBinary/binary>>,
-   BodyStr = jiffy:encode(KeyOrMapDataList),
+   BodyStr = eVPack:encodeBin(KeyOrMapDataList),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPut, Path, [], BodyStr).
 
 % 创建多个文档
@@ -385,13 +385,13 @@ getDocs(PoolNameOrSocket, CollName, KeyOrMapDataList, QueryPars) ->
 % 按照MapDataList的顺序返回执行结果 正确或者错误
 newDocs(PoolNameOrSocket, CollName, MapDataList) ->
    Path = <<"/_api/document/", CollName/binary>>,
-   BodyStr = jiffy:encode(MapDataList),
+   BodyStr = eVPack:encodeBin(MapDataList),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPost, Path, [], BodyStr).
 
 newDocs(PoolNameOrSocket, CollName, MapDataList, QueryPars) ->
    QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
    Path = <<"/_api/document/", CollName/binary, QueryBinary/binary>>,
-   BodyStr = jiffy:encode(MapDataList),
+   BodyStr = eVPack:encodeBin(MapDataList),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPost, Path, [], BodyStr).
 
 % 替换多个文件
@@ -421,13 +421,13 @@ newDocs(PoolNameOrSocket, CollName, MapDataList, QueryPars) ->
 % 404：如果找不到集合，则返回。
 replaceDocs(PoolNameOrSocket, CollName, MapDataList) ->
    Path = <<"/_api/document/", CollName/binary>>,
-   BodyStr = jiffy:encode(MapDataList),
+   BodyStr = eVPack:encodeBin(MapDataList),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPut, Path, [], BodyStr).
 
 replaceDocs(PoolNameOrSocket, CollName, MapDataList, QueryPars) ->
    QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
    Path = <<"/_api/document/", CollName/binary, QueryBinary/binary>>,
-   BodyStr = jiffy:encode(MapDataList),
+   BodyStr = eVPack:encodeBin(MapDataList),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPut, Path, [], BodyStr).
 
 % 更新多个文件
@@ -460,13 +460,13 @@ replaceDocs(PoolNameOrSocket, CollName, MapDataList, QueryPars) ->
 % 404：如果找不到集合，则返回。
 updateDocs(PoolNameOrSocket, CollName, MapDataList) ->
    Path = <<"/_api/document/", CollName/binary>>,
-   BodyStr = jiffy:encode(MapDataList),
+   BodyStr = eVPack:encodeBin(MapDataList),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPatch, Path, [], BodyStr).
 
 updateDocs(PoolNameOrSocket, CollName, MapDataList, QueryPars) ->
    QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
    Path = <<"/_api/document/", CollName/binary, QueryBinary/binary>>,
-   BodyStr = jiffy:encode(MapDataList),
+   BodyStr = eVPack:encodeBin(MapDataList),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPatch, Path, [], BodyStr).
 
 % 删除多个文件
@@ -490,11 +490,11 @@ updateDocs(PoolNameOrSocket, CollName, MapDataList, QueryPars) ->
 % 404：如果找不到集合，则返回。在这种情况下，响应主体包含一个错误文档。
 delDocs(PoolNameOrSocket, CollName, KeyOrMapDataList) ->
    Path = <<"/_api/document/", CollName/binary, "/">>,
-   BodyStr = jiffy:encode(KeyOrMapDataList),
+   BodyStr = eVPack:encodeBin(KeyOrMapDataList),
    agVstCli:callAgency(PoolNameOrSocket, ?AgDelete, Path, [], BodyStr).
 
 delDocs(PoolNameOrSocket, CollName, KeyOrMapDataList, QueryPars) ->
    QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
    Path = <<"/_api/document/", CollName/binary, QueryBinary/binary>>,
-   BodyStr = jiffy:encode(KeyOrMapDataList),
+   BodyStr = eVPack:encodeBin(KeyOrMapDataList),
    agVstCli:callAgency(PoolNameOrSocket, ?AgDelete, Path, [], BodyStr).
diff --git a/src/agApi/agFoxxServices.erl b/src/agApi/agFoxxServices.erl
index dfde519..527cc71 100644
--- a/src/agApi/agFoxxServices.erl
+++ b/src/agApi/agFoxxServices.erl
@@ -85,7 +85,7 @@ getFoxxService(PoolNameOrSocket, Mount) ->
 installFoxx(PoolNameOrSocket, MapData, QueryPars) ->
    QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
    Path = <<"/_api/foxx", QueryBinary/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPost, Path, [], BodyStr).
 
 % 卸载服务
@@ -130,7 +130,7 @@ uninstallFoxx(PoolNameOrSocket, QueryPars) ->
 replaceFoxx(PoolNameOrSocket, MapData, QueryPars) ->
    QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
    Path = <<"/_api/foxx/service", QueryBinary/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPut, Path, [], BodyStr).
 
 % 升级服务
@@ -161,7 +161,7 @@ replaceFoxx(PoolNameOrSocket, MapData, QueryPars) ->
 upgradeFoxx(PoolNameOrSocket, MapData, QueryPars) ->
    QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
    Path = <<"/_api/foxx/service", QueryBinary/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPatch, Path, [], BodyStr).
 
 % Foxx服务配置/依赖关系
@@ -193,7 +193,7 @@ getFoxxConfig(PoolNameOrSocket, QueryPars) ->
 updateFoxxConfig(PoolNameOrSocket, MapData, QueryPars) ->
    QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
    Path = <<"/_api/foxx/configuration", QueryBinary/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPatch, Path, [], BodyStr).
 
 % 替换配置选项
@@ -209,7 +209,7 @@ updateFoxxConfig(PoolNameOrSocket, MapData, QueryPars) ->
 replaceFoxxConfig(PoolNameOrSocket, MapData, QueryPars) ->
    QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
    Path = <<"/_api/foxx/configuration", QueryBinary/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPut, Path, [], BodyStr).
 
 % 获取依赖项选项
@@ -239,7 +239,7 @@ getFoxxDependencies(PoolNameOrSocket, QueryPars) ->
 updateFoxxDependencies(PoolNameOrSocket, MapData, QueryPars) ->
    QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
    Path = <<"/_api/foxx/dependencies", QueryBinary/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPatch, Path, [], BodyStr).
 
 % 替换依赖项选项
@@ -255,7 +255,7 @@ updateFoxxDependencies(PoolNameOrSocket, MapData, QueryPars) ->
 replaceFoxxDependencies(PoolNameOrSocket, MapData, QueryPars) ->
    QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
    Path = <<"/_api/foxx/dependencies", QueryBinary/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPut, Path, [], BodyStr).
 
 % Foxx服务杂项
@@ -288,7 +288,7 @@ getFoxxScripts(PoolNameOrSocket, QueryPars) ->
 runFoxxScripts(PoolNameOrSocket, ScriptName, MapData, QueryPars) ->
    QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
    Path = <<"/_api/foxx/scripts/", ScriptName/binary, QueryBinary/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPost, Path, [], BodyStr).
 
 % 运行服务测试
diff --git a/src/agApi/agGeneralGraphs.erl b/src/agApi/agGeneralGraphs.erl
index 597b384..83ca62b 100644
--- a/src/agApi/agGeneralGraphs.erl
+++ b/src/agApi/agGeneralGraphs.erl
@@ -77,13 +77,13 @@ graphList(PoolNameOrSocket) ->
 % errorNum：发生错误的ArangoDB错误号。
 % errorMessage：为此错误创建的消息。
 newGraph(PoolNameOrSocket, MapData) ->
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPost, <<"/_api/gharial">>, [], BodyStr).
 
 newGraph(PoolNameOrSocket, MapData, QueryPars) ->
    QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
    Path = <<"/_api/gharial", QueryBinary/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPost, Path, [], BodyStr).
 
 % 获取图表
@@ -185,7 +185,7 @@ vertexCollList(PoolNameOrSocket, GraphName) ->
 %% MapData = #{"collection" => "otherVertices"}
 addVertexColl(PoolNameOrSocket, GraphName, MapData) ->
    Path = <<"/_api/gharial/", GraphName/binary, "/vertex">>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPost, Path, [], BodyStr).
 
 % 从图形中删除额外顶点集合。
@@ -283,7 +283,7 @@ edgeDefList(PoolNameOrSocket, GraphName) ->
 %    errorMessage：为此错误创建的消息。
 addEdgeDef(PoolNameOrSocket, GraphName, MapData) ->
    Path = <<"/_api/gharial/", GraphName/binary, "/edge">>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPost, Path, [], BodyStr).
 
 % 替换现有的边缘定义
@@ -327,13 +327,13 @@ addEdgeDef(PoolNameOrSocket, GraphName, MapData) ->
 % EdgeDefName 名字 要在定义列表中存在 MapData中的collection 也要存在 只是替换 from to 中的集合
 replaceEdgeDef(PoolNameOrSocket, GraphName, EdgeDefName, MapData) ->
    Path = <<"/_api/gharial/", GraphName/binary, "/edge/", EdgeDefName/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPut, Path, [], BodyStr).
 
 replaceEdgeDef(PoolNameOrSocket, GraphName, EdgeDefName, MapData, QueryPars) ->
    QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
    Path = <<"/_api/gharial/", GraphName/binary, "/edge/", EdgeDefName/binary, QueryBinary/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPut, Path, [], BodyStr).
 
 % 从图形中删除边缘定义
@@ -409,13 +409,13 @@ delEdgeDef(PoolNameOrSocket, GraphName, EdgeDefName, QueryPars) ->
 %     errorMessage：为此错误创建的消息。
 newVertex(PoolNameOrSocket, GraphName, CollName, MapData) ->
    Path = <<"/_api/gharial/", GraphName/binary, "/vertex/", CollName/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPost, Path, [], BodyStr).
 
 newVertex(PoolNameOrSocket, GraphName, CollName, MapData, QueryPars) ->
    QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
    Path = <<"/_api/gharial/", GraphName/binary, "/vertex/", CollName/binary, QueryBinary/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPost, Path, [], BodyStr).
 
 % 获取现有顶点
@@ -523,19 +523,19 @@ getVertex(PoolNameOrSocket, GraphName, CollName, VertexKey, QueryPars, Headers)
 %     errorMessage：为此错误创建的消息。
 updateVertex(PoolNameOrSocket, GraphName, CollName, VertexKey, MapData) ->
    Path = <<"/_api/gharial/", GraphName/binary, "/vertex/", CollName/binary, "/", (agMiscUtils:toBinary(VertexKey))/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPatch, Path, [], BodyStr).
 
 updateVertex(PoolNameOrSocket, GraphName, CollName, VertexKey, MapData, QueryPars) ->
    QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
    Path = <<"/_api/gharial/", GraphName/binary, "/vertex/", CollName/binary, "/", (agMiscUtils:toBinary(VertexKey))/binary, QueryBinary/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPatch, Path, [], BodyStr).
 
 updateVertex(PoolNameOrSocket, GraphName, CollName, VertexKey, MapData, QueryPars, Headers) ->
    QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
    Path = <<"/_api/gharial/", GraphName/binary, "/vertex/", CollName/binary, "/", (agMiscUtils:toBinary(VertexKey))/binary, QueryBinary/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPatch, Path, Headers, BodyStr).
 
 % 替换现有的顶点
@@ -588,19 +588,19 @@ updateVertex(PoolNameOrSocket, GraphName, CollName, VertexKey, MapData, QueryPar
 %     errorMessage：为此错误创建的消息。
 replaceVertex(PoolNameOrSocket, GraphName, CollName, VertexKey, MapData) ->
    Path = <<"/_api/gharial/", GraphName/binary, "/vertex/", CollName/binary, "/", (agMiscUtils:toBinary(VertexKey))/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPut, Path, [], BodyStr).
 
 replaceVertex(PoolNameOrSocket, GraphName, CollName, VertexKey, MapData, QueryPars) ->
    QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
    Path = <<"/_api/gharial/", GraphName/binary, "/vertex/", CollName/binary, "/", (agMiscUtils:toBinary(VertexKey))/binary, QueryBinary/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPut, Path, [], BodyStr).
 
 replaceVertex(PoolNameOrSocket, GraphName, CollName, VertexKey, MapData, QueryPars, Headers) ->
    QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
    Path = <<"/_api/gharial/", GraphName/binary, "/vertex/", CollName/binary, "/", (agMiscUtils:toBinary(VertexKey))/binary, QueryBinary/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPut, Path, Headers, BodyStr).
 
 % 从图中删除顶点
@@ -704,13 +704,13 @@ delVertex(PoolNameOrSocket, GraphName, CollName, VertexKey, QueryPars, Headers)
 %     errorMessage：为此错误创建的消息。
 newEdge(PoolNameOrSocket, GraphName, CollName, MapData) ->
    Path = <<"/_api/gharial/", GraphName/binary, "/edge/", CollName/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPost, Path, [], BodyStr).
 
 newEdge(PoolNameOrSocket, GraphName, CollName, MapData, QueryPars) ->
    QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
    Path = <<"/_api/gharial/", GraphName/binary, "/edge/", CollName/binary, QueryBinary/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPost, Path, [], BodyStr).
 
 % 获得边
@@ -819,19 +819,19 @@ getEdge(PoolNameOrSocket, GraphName, CollName, EdgeKey, QueryPars, Headers) ->
 %     errorMessage：为此错误创建的消息。
 updateEdge(PoolNameOrSocket, GraphName, CollName, EdgeKey, MapData) ->
    Path = <<"/_api/gharial/", GraphName/binary, "/edge/", CollName/binary, "/", (agMiscUtils:toBinary(EdgeKey))/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPatch, Path, [], BodyStr).
 
 updateEdge(PoolNameOrSocket, GraphName, CollName, EdgeKey, MapData, QueryPars) ->
    QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
    Path = <<"/_api/gharial/", GraphName/binary, "/edge/", CollName/binary, "/", (agMiscUtils:toBinary(EdgeKey))/binary, QueryBinary/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPatch, Path, [], BodyStr).
 
 updateEdge(PoolNameOrSocket, GraphName, CollName, EdgeKey, MapData, Headers, QueryPars) ->
    QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
    Path = <<"/_api/gharial/", GraphName/binary, "/edge/", CollName/binary, "/", (agMiscUtils:toBinary(EdgeKey))/binary, QueryBinary/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPatch, Path, Headers, BodyStr).
 
 
@@ -887,19 +887,19 @@ updateEdge(PoolNameOrSocket, GraphName, CollName, EdgeKey, MapData, Headers, Que
 %     errorMessage：为此错误创建的消息。
 replaceEdge(PoolNameOrSocket, GraphName, CollName, EdgeKey, MapData) ->
    Path = <<"/_api/gharial/", GraphName/binary, "/edge/", CollName/binary, "/", (agMiscUtils:toBinary(EdgeKey))/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPut, Path, [], BodyStr).
 
 replaceEdge(PoolNameOrSocket, GraphName, CollName, EdgeKey, MapData, QueryPars) ->
    QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
    Path = <<"/_api/gharial/", GraphName/binary, "/edge/", CollName/binary, "/", (agMiscUtils:toBinary(EdgeKey))/binary, QueryBinary/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPut, Path, [], BodyStr).
 
 replaceEdge(PoolNameOrSocket, GraphName, CollName, EdgeKey, MapData, QueryPars, Headers) ->
    QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
    Path = <<"/_api/gharial/", GraphName/binary, "/edge/", CollName/binary, "/", (agMiscUtils:toBinary(EdgeKey))/binary, QueryBinary/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPut, Path, Headers, BodyStr).
 
 % 从图形中删除边
diff --git a/src/agApi/agHotBackup.erl b/src/agApi/agHotBackup.erl
index 3e10860..82c7519 100644
--- a/src/agApi/agHotBackup.erl
+++ b/src/agApi/agHotBackup.erl
@@ -30,7 +30,7 @@
 %    400：如果使用错误的参数或除之外的任何HTTP方法调用了create命令POST，则返回HTTP 400。具体细节在返回的错误文档中有详细说明。
 %    408：如果操作无法在超时时间内获得全局事务锁定，则返回HTTP 408。
 newBackup(PoolNameOrSocket, MapData) ->
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPost, <<"/_admin/backup/create">>, [], BodyStr).
 
 % 从本地备份还原
@@ -42,7 +42,7 @@ newBackup(PoolNameOrSocket, MapData) ->
 %    200：如果可以恢复备份，则返回。请注意，单个服务器和群集之间不可避免存在差异。在单个服务器中，请求成功返回，但是还原仅在之后执行。在集群中，仅在成功完成还原操作后才返回请求。群集行为显然是所需的行为，但是在单个实例中，无法在重新启动期间保持连接打开。
 %    400：如果使用错误的参数或除以外的任何HTTP方法调用了restore命令POST，则返回HTTP 400。具体细节在返回的错误文档中有详细说明。
 restoreBackup(PoolNameOrSocket, MapData) ->
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPost, <<"/_admin/backup/restore">>, [], BodyStr).
 
 % 删除特定的本地备份
@@ -55,7 +55,7 @@ restoreBackup(PoolNameOrSocket, MapData) ->
 %    400：如果使用错误的参数或除以外的任何HTTP方法调用delete命令POST，则返回HTTP 400。
 %    404：如果id找不到与该标识符相对应的备份。
 delBackup(PoolNameOrSocket, MapData) ->
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPost, <<"/_admin/backup/delete">>, [], BodyStr).
 
 % 列出所有本地备份
@@ -93,7 +93,7 @@ getBackupList(PoolNameOrSocket) ->
 %    401：如果对转储存储库的身份验证失败，则返回HTTP 400。
 %    404：如果id 找不到对应于标识符的备份，或者没有已知的上载操作uploadId。
 uploadBackup(PoolNameOrSocket, MapData) ->
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPost, <<"/_admin/backup/upload">>, [], BodyStr).
 
 % 下载特定的本地备份
@@ -112,5 +112,5 @@ uploadBackup(PoolNameOrSocket, MapData) ->
 %    401：如果对转储存储库的身份验证失败，则返回HTTP 401。
 %    404：如果id 找不到与该标识符相对应的备份，或者如果没有已知的与的下载操作downloadId。
 downloadBackup(PoolNameOrSocket, MapData) ->
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPost, <<"/_admin/backup/download">>, [], BodyStr).
diff --git a/src/agApi/agIndexes.erl b/src/agApi/agIndexes.erl
index 67e1363..91e2925 100644
--- a/src/agApi/agIndexes.erl
+++ b/src/agApi/agIndexes.erl
@@ -87,7 +87,7 @@ getIndexInfo(PoolNameOrSocket, IndexId) ->
 %    404：如果集合未知，则返回HTTP 404。
 newIndex(PoolNameOrSocket, CollName, MapData) ->
    Path = <<"/_api/index?collection=", CollName/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPost, Path, [], BodyStr).
 
 % 删除索引
@@ -139,11 +139,11 @@ newIndexOfHash(PoolNameOrSocket, CollName, MapData) ->
    case MapData of
       #{type := <<"hash">>} ->
          Path = <<"/_api/index?collection=", CollName/binary>>,
-         BodyStr = jiffy:encode(MapData),
+         BodyStr = eVPack:encodeBin(MapData),
          agVstCli:callAgency(PoolNameOrSocket, ?AgPost, Path, [], BodyStr);
       #{<<"type">> := <<"hash">>} ->
          Path = <<"/_api/index?collection=", CollName/binary>>,
-         BodyStr = jiffy:encode(MapData),
+         BodyStr = eVPack:encodeBin(MapData),
          agVstCli:callAgency(PoolNameOrSocket, ?AgPost, Path, [], BodyStr);
       _ ->
          {error, param}
@@ -208,11 +208,11 @@ newIndexOfSkipList(PoolNameOrSocket, CollName, MapData) ->
    case MapData of
       #{type := <<"skiplist">>} ->
          Path = <<"/_api/index?collection=", CollName/binary>>,
-         BodyStr = jiffy:encode(MapData),
+         BodyStr = eVPack:encodeBin(MapData),
          agVstCli:callAgency(PoolNameOrSocket, ?AgPost, Path, [], BodyStr);
       #{<<"type">> := <<"skiplist">>} ->
          Path = <<"/_api/index?collection=", CollName/binary>>,
-         BodyStr = jiffy:encode(MapData),
+         BodyStr = eVPack:encodeBin(MapData),
          agVstCli:callAgency(PoolNameOrSocket, ?AgPost, Path, [], BodyStr);
       _ ->
          {error, param}
@@ -243,11 +243,11 @@ newIndexOfPersistent(PoolNameOrSocket, CollName, MapData) ->
    case MapData of
       #{type := <<"persistent">>} ->
          Path = <<"/_api/index?collection=", CollName/binary>>,
-         BodyStr = jiffy:encode(MapData),
+         BodyStr = eVPack:encodeBin(MapData),
          agVstCli:callAgency(PoolNameOrSocket, ?AgPost, Path, [], BodyStr);
       #{<<"type">> := <<"persistent">>} ->
          Path = <<"/_api/index?collection=", CollName/binary>>,
-         BodyStr = jiffy:encode(MapData),
+         BodyStr = eVPack:encodeBin(MapData),
          agVstCli:callAgency(PoolNameOrSocket, ?AgPost, Path, [], BodyStr);
       _ ->
          {error, param}
@@ -273,11 +273,11 @@ newIndexOfTtl(PoolNameOrSocket, CollName, MapData) ->
    case MapData of
       #{type := <<"ttl">>} ->
          Path = <<"/_api/index?collection=", CollName/binary>>,
-         BodyStr = jiffy:encode(MapData),
+         BodyStr = eVPack:encodeBin(MapData),
          agVstCli:callAgency(PoolNameOrSocket, ?AgPost, Path, [], BodyStr);
       #{<<"type">> := <<"ttl">>} ->
          Path = <<"/_api/index?collection=", CollName/binary>>,
-         BodyStr = jiffy:encode(MapData),
+         BodyStr = eVPack:encodeBin(MapData),
          agVstCli:callAgency(PoolNameOrSocket, ?AgPost, Path, [], BodyStr);
       _ ->
          {error, param}
@@ -305,11 +305,11 @@ newIndexOfGeo(PoolNameOrSocket, CollName, MapData) ->
    case MapData of
       #{type := <<"geo">>} ->
          Path = <<"/_api/index?collection=", CollName/binary>>,
-         BodyStr = jiffy:encode(MapData),
+         BodyStr = eVPack:encodeBin(MapData),
          agVstCli:callAgency(PoolNameOrSocket, ?AgPost, Path, [], BodyStr);
       #{<<"type">> := <<"geo">>} ->
          Path = <<"/_api/index?collection=", CollName/binary>>,
-         BodyStr = jiffy:encode(MapData),
+         BodyStr = eVPack:encodeBin(MapData),
          agVstCli:callAgency(PoolNameOrSocket, ?AgPost, Path, [], BodyStr);
       _ ->
          {error, param}
@@ -377,11 +377,11 @@ newIndexOfFulltext(PoolNameOrSocket, CollName, MapData) ->
    case MapData of
       #{type := <<"fulltext">>} ->
          Path = <<"/_api/index?collection=", CollName/binary>>,
-         BodyStr = jiffy:encode(MapData),
+         BodyStr = eVPack:encodeBin(MapData),
          agVstCli:callAgency(PoolNameOrSocket, ?AgPost, Path, [], BodyStr);
       #{<<"type">> := <<"fulltext">>} ->
          Path = <<"/_api/index?collection=", CollName/binary>>,
-         BodyStr = jiffy:encode(MapData),
+         BodyStr = eVPack:encodeBin(MapData),
          agVstCli:callAgency(PoolNameOrSocket, ?AgPost, Path, [], BodyStr);
       _ ->
          {error, param}
diff --git a/src/agApi/agMiscFuns.erl b/src/agApi/agMiscFuns.erl
index 9138159..f3f247b 100644
--- a/src/agApi/agMiscFuns.erl
+++ b/src/agApi/agMiscFuns.erl
@@ -115,7 +115,7 @@ getWalProps(PoolNameOrSocket) ->
 %    200：操作成功返回。
 %    405：使用无效的HTTP方法时返回。
 setWalProps(PoolNameOrSocket, MapData) ->
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPut, <<"/_admin/wal/properties">>, BodyStr, undefined).
 
 % 返回有关当前正在运行的事务的信息
@@ -171,7 +171,7 @@ curDbTime(PoolNameOrSocket) ->
 %    path：此请求的相对路径
 %    rawRequestBody：已发送字符的数字列表
 echo(PoolNameOrSocket, MapData) ->
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPost, <<"/_admin/echo">>, [], BodyStr).
 
 % 返回数据库的版本。
diff --git a/src/agApi/agReplication.erl b/src/agApi/agReplication.erl
index e4c612e..6d3137b 100644
--- a/src/agApi/agReplication.erl
+++ b/src/agApi/agReplication.erl
@@ -72,7 +72,7 @@ getRepInventory(PoolNameOrSocket, QueryPars) ->
 %    400：如果ttl值无效，或者在Coordinator上未指定DBserver属性或该属性非法，则返回400 。
 %    405：使用无效的HTTP方法时返回。
 newRepBatch(PoolNameOrSocket, MapData) ->
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPost, <<"/_api/replication/batch">>, [], BodyStr).
 
 % 删除现有的转储批次固定链接
@@ -111,7 +111,7 @@ delRepBatch(PoolNameOrSocket, BatchId) ->
 % 为了获得相同的数据状态，复制客户端应按照提供的顺序使用转储结果的各个部分。
 prolongRepBatch(PoolNameOrSocket, BatchId, MapData) ->
    Path = <<"/_api/replication/batch/", (agMiscUtils:toBinary(BatchId))/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPut, Path, [], BodyStr).
 
 % 返回集合的数据
@@ -277,7 +277,7 @@ getRepDoc(PoolNameOrSocket, QueryPars) ->
 %    500：如果同步期间发生错误，则返回。
 %    501：在集群中的协调器上调用此操作时返回。
 startRepSync(PoolNameOrSocket, MapData) ->
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPut, <<"/_api/replication/sync">>, [], BodyStr).
 
 % 返回集合和索引的集群清单
@@ -474,12 +474,12 @@ getRepApplierConfig(PoolNameOrSocket, QueryPars) ->
 % 405：使用无效的HTTP方法时返回。
 % 500：如果组装响应时发生错误，则返回500。
 setRepApplierConfig(PoolNameOrSocket, MapData) ->
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPut, <<"/_api/replication/applier-config">>, [], BodyStr).
 
 setRepApplierConfig(PoolNameOrSocket, MapData, QueryPars) ->
    QueryBinary = agMiscUtils:spellQueryPars(QueryPars),
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPut, <<"/_api/replication/applier-config", QueryBinary/binary>>, [], BodyStr).
 
 % 启动复制应用程序
@@ -631,7 +631,7 @@ getRepApplierState(PoolNameOrSocket, QueryPars) ->
 % 500：如果在同步过程中或开始连续复制时发生错误，则返回。
 % 501：在集群中的协调器上调用此操作时返回。
 changeRepMakeSlave(PoolNameOrSocket, MapData) ->
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPut, <<"/_api/replication/make-slave">>, [], BodyStr).
 
 %其他复制命令
diff --git a/src/agApi/agTasks.erl b/src/agApi/agTasks.erl
index ca59ff1..ece588b 100644
--- a/src/agApi/agTasks.erl
+++ b/src/agApi/agTasks.erl
@@ -54,7 +54,7 @@ getTask(PoolNameOrSocket, TaskId) ->
 %    error：在这种情况下为false
 %    400：如果帖子正文不正确，则返回HTTP 400。
 newTask(PoolNameOrSocket, MapData) ->
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPost, <<"/_api/tasks">>, [], BodyStr).
 
 % 注册具有预定义ID的新任务；与负载均衡器不兼容
@@ -72,7 +72,7 @@ newTask(PoolNameOrSocket, MapData) ->
 %    400：如果任务ID已经存在或其余主体不正确，则返回HTTP 400。
 newTask(PoolNameOrSocket, TaskId, MapData) ->
    Path = <<"/_api/tasks/", (agMiscUtils:toBinary(TaskId))/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPut, Path, [], BodyStr).
 
 % 删除一个当前活动的服务器任务
diff --git a/src/agApi/agTransactions.erl b/src/agApi/agTransactions.erl
index 6fdea32..9322b41 100644
--- a/src/agApi/agTransactions.erl
+++ b/src/agApi/agTransactions.erl
@@ -79,7 +79,7 @@
 %    400：如果事务规范丢失或格式不正确，则服务器将使用HTTP 400进行响应。
 %    404：如果事务规范包含未知集合，则服务器将使用HTTP 404进行响应。
 beginTransaction(PoolNameOrSocket, MapData) ->
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPost, <<"/_api/transaction/begin">>, [], BodyStr).
 
 % 提取服务器端事务的状态
@@ -197,7 +197,7 @@ getTransactionList(PoolNameOrSocket) ->
 %    404：如果事务规范包含未知集合，则服务器将使用HTTP 404进行响应。
 %    500：用户抛出的异常将使服务器以HTTP 500的返回码进行响应
 executeTransaction(PoolNameOrSocket, MapData) ->
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPost, <<"/_api/transaction">>, [], BodyStr).
 
 
diff --git a/src/agApi/agUserMgr.erl b/src/agApi/agUserMgr.erl
index 3804736..bf69221 100644
--- a/src/agApi/agUserMgr.erl
+++ b/src/agApi/agUserMgr.erl
@@ -28,7 +28,7 @@
 %    403：如果您没有访问服务器访问级别，则返回。
 %    409：如果已经存在同名用户，则返回。
 newUser(PoolNameOrSocket, MapData) ->
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPost, <<"/_api/user">>, [], BodyStr).
 
 % 设置数据库访问级别。
@@ -48,7 +48,7 @@ newUser(PoolNameOrSocket, MapData) ->
 %    403：如果您没有访问服务器访问级别，则返回。
 setUserDbAccessLevel(PoolNameOrSocket, UserName, DbName, MapData) ->
    Path = <<"/_api/user/", UserName/binary, "/database/", DbName/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPut, Path, [], BodyStr).
 
 % 设置收集访问级别。
@@ -70,7 +70,7 @@ setUserDbAccessLevel(PoolNameOrSocket, UserName, DbName, MapData) ->
 %    403：如果您没有访问服务器访问级别，则返回。
 setUserCollAccessLevel(PoolNameOrSocket, UserName, DbName, CollName, MapData) ->
    Path = <<"/_api/user/", UserName/binary, "/database/", DbName/binary, "/", CollName/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPut, Path, [], BodyStr).
 
 % 清除数据库访问级别，恢复为默认访问级别
@@ -174,7 +174,7 @@ getUserCollAccessLevel(PoolNameOrSocket, UserName, DbName, CollName) ->
 %    404：指定的用户不存在
 replaceUser(PoolNameOrSocket, UserName, MapData) ->
    Path = <<"/_api/user/", UserName/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPut, Path, [], BodyStr).
 
 % 修改现有用户的属性
@@ -194,7 +194,7 @@ replaceUser(PoolNameOrSocket, UserName, MapData) ->
 %    404：指定的用户不存在
 updateUser(PoolNameOrSocket, UserName, MapData) ->
    Path = <<"/_api/user/", UserName/binary>>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPatch, Path, [], BodyStr).
 
 % 永久删除用户。
diff --git a/src/agApi/agViews.erl b/src/agApi/agViews.erl
index 87c8f95..a5562ae 100644
--- a/src/agApi/agViews.erl
+++ b/src/agApi/agViews.erl
@@ -64,7 +64,7 @@
 %    400：如果name或type属性丢失或无效，则 返回HTTP 400错误。
 %    409：如果已经存在一个名为name的视图，则返回HTTP 409错误。
 newView(PoolNameOrSocket, MapData) ->
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPost, <<"/_api/view">>, [], BodyStr).
 
 % 返回一个视图
@@ -140,7 +140,7 @@ getViewProps(PoolNameOrSocket, ViewName) ->
 %    404：如果视图名称未知，则返回HTTP 404。
 changeViewAllProps(PoolNameOrSocket, ViewName, MapData) ->
    Path = <<"/_api/view/", ViewName/binary, "/properties">>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPut, Path, [], BodyStr).
 
 % 部分更改ArangoSearch视图的属性
@@ -178,7 +178,7 @@ changeViewAllProps(PoolNameOrSocket, ViewName, MapData) ->
 %    404：如果视图名称未知，则返回HTTP 404。
 changeViewPartProps(PoolNameOrSocket, ViewName, MapData) ->
    Path = <<"/_api/view/", ViewName/binary, "/properties">>,
-   BodyStr = jiffy:encode(MapData),
+   BodyStr = eVPack:encodeBin(MapData),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPatch, Path, [], BodyStr).
 
 % 重命名视图
@@ -197,7 +197,7 @@ changeViewPartProps(PoolNameOrSocket, ViewName, MapData) ->
 %     404：如果视图名称未知，则返回HTTP 404。
 renameView(PoolNameOrSocket, ViewName, NewViewName) ->
    Path = <<"/_api/view/", ViewName/binary, "/rename">>,
-   NameStr = jiffy:encode(NewViewName),
+   NameStr = eVPack:encodeBin(NewViewName),
    agVstCli:callAgency(PoolNameOrSocket, ?AgPut, Path, [], <<"{\"name\":", NameStr/binary, "}">>).
 
 % 删除视图
diff --git a/src/agVstCli/agTcpAgencyIns.erl b/src/agVstCli/agTcpAgencyIns.erl
index 00073fd..6bb8d1b 100644
--- a/src/agVstCli/agTcpAgencyIns.erl
+++ b/src/agVstCli/agTcpAgencyIns.erl
@@ -52,9 +52,9 @@ handleMsg(#agReq{method = Method, path = Path, queryPars = QueryPars, headers =
                end
          end
    end;
-handleMsg({tcp, _Socket, Data}, SrvState,
-   #cliState{revStatus = RevStatus, backlogNum = BacklogNum, messageId = MessageId, chunkIdx = ChunkIdx,  chunkSize = ChunkSize, chunkBuffer = ChunkBuffer} = CliState) ->
-   case agVstProto:response(RevStatus, 0, MessageId, ChunkIdx, ChunkSize, ChunkBuffer, Data) of
+handleMsg({tcp, _Socket, DataBuffer}, SrvState,
+   #cliState{revStatus = RevStatus, backlogNum = BacklogNum, messageId = OldMessageId, chunkIdx = OldChunkIdx,  chunkSize = OldChunkSize, chunkBuffer = OldChunkBuffer} = CliState) ->
+   case agVstProto:response(RevStatus, 0, OldMessageId, OldChunkIdx, OldChunkSize, OldChunkBuffer, DataBuffer) of
       {?AgUndef, DoneCnt} ->
          {ok, SrvState, CliState#cliState{revStatus = ?AgUndef, backlogNum = BacklogNum - DoneCnt, chunkBuffer = <<>>}};
       {?AgCBodyStart, DoneCnt, MessageId, ChunkIdx, ChunkSize, ChunkBuffer} ->
diff --git a/src/agVstCli/agVstCli.erl b/src/agVstCli/agVstCli.erl
index 80788bd..152985d 100644
--- a/src/agVstCli/agVstCli.erl
+++ b/src/agVstCli/agVstCli.erl
@@ -7,7 +7,8 @@
 
 -export([
    %% Common Request API
-   callAgency/6
+   callAgency/3
+   , callAgency/6
    , callAgency/7
    , callAgency/8
    , castAgency/6
@@ -33,6 +34,11 @@
    , receiveSslData/2
 ]).
 
+
+-spec callAgency(poolNameOrSocket(), method(), path()) -> term() | {error, term()}.
+callAgency(PoolNameOrSocket, Method, Path) ->
+   callAgency(PoolNameOrSocket, Method, Path, #{}, #{}, <<>>, false, ?AgDefTimeout).
+
 -spec callAgency(poolNameOrSocket(), method(), path(), queryPars(), headers(), body()) -> term() | {error, term()}.
 callAgency(PoolNameOrSocket, Method, Path, QueryPars, Headers, Body) ->
    callAgency(PoolNameOrSocket, Method, Path, QueryPars, Headers, Body, false, ?AgDefTimeout).
@@ -43,7 +49,7 @@ callAgency(PoolNameOrSocket, Method, Path, QueryPars, Headers, Body, IsSystem) -
 
 -spec callAgency(poolNameOrSocket(), method(), path(), queryPars(), headers(), body(), boolean(), timeout()) -> term() | {error, atom()}.
 callAgency(PoolNameOrSocket, Method, Path, QueryPars, Headers, Body, IsSystem, Timeout) ->
-   case castAgency(PoolNameOrSocket, Method, Path, QueryPars, Headers, Body, self(), IsSystem, Timeout) of
+   case castAgency(PoolNameOrSocket, Method, Path, QueryPars, Headers, eVPack:encodeBin(Body), self(), IsSystem, Timeout) of
       {waitRRT, RequestId, MonitorRef} ->
          receiveReqRet(RequestId, MonitorRef);
       {error, _Reason} = Err ->
@@ -123,6 +129,7 @@ receiveReqRet(RequestId, MonitorRef) ->
             {error, Err} ->
                Err;
             _ ->
+               ?AgWarn(tt, "IMY*************~p~n", [Reply]),
                {[1, 2, StatusCode, HeaderMap], BodyMap} = eVPack:decodeAll(Reply),
                {StatusCode, BodyMap, HeaderMap}
          end;