diff --git a/include/agHttpCli.hrl b/include/agHttpCli.hrl
index 203697b..c8a3ec9 100644
--- a/include/agHttpCli.hrl
+++ b/include/agHttpCli.hrl
@@ -17,7 +17,7 @@
 -define(DEFAULT_RECONNECT_MAX, 120000).
 -define(DEFAULT_TIMEOUT, infinity).
 -define(DEFAULT_PID, self()).
--define(DEFAULT_SOCKET_OPTS, [binary, {active, true}, {delay_send, true}, {nodelay, true}, {keepalive, true}, {recbuf, 1048576}, {send_timeout, 5000}, {send_timeout_close, true}]).
+-define(DEFAULT_SOCKET_OPTS, [binary, {active, true}, {nodelay, true}, {delay_send, true}, {keepalive, true}, {recbuf, 2097152}, {send_timeout, 5000}, {send_timeout_close, true}]).
 
 -define(GET_FROM_LIST(Key, List), agMiscUtils:getListValue(Key, List, undefined)).
 -define(GET_FROM_LIST(Key, List, Default), agMiscUtils:getListValue(Key, List, Default)).
diff --git a/src/arangoApi/agAdminMonitor.erl b/src/arangoApi/agAdminMonitor.erl
index 9bf86e9..3d07674 100644
--- a/src/arangoApi/agAdminMonitor.erl
+++ b/src/arangoApi/agAdminMonitor.erl
@@ -1,6 +1,8 @@
 -module(agAdminMonitor).
 -include("erlArango.hrl").
 
+-compile(inline).
+-compile({inline_size, 128}).
 -compile([export_all, nowarn_export_all]).
 
 % doc_address:https://www.arangodb.com/docs/stable/http/administration-and-monitoring.html
diff --git a/src/arangoApi/agAnalyzers.erl b/src/arangoApi/agAnalyzers.erl
index 08c57b6..cf28a6c 100644
--- a/src/arangoApi/agAnalyzers.erl
+++ b/src/arangoApi/agAnalyzers.erl
@@ -1,6 +1,8 @@
 -module(agAnalyzers).
 -include("erlArango.hrl").
 
+-compile(inline).
+-compile({inline_size, 128}).
 -compile([export_all, nowarn_export_all]).
 
 % doc_address:https://www.arangodb.com/docs/stable/http/analyzers.html
diff --git a/src/arangoApi/agAqlMod.erl b/src/arangoApi/agAqlMod.erl
index 4b517dc..404dd9c 100644
--- a/src/arangoApi/agAqlMod.erl
+++ b/src/arangoApi/agAqlMod.erl
@@ -1,6 +1,8 @@
 -module(agAqlMod).
 -include("erlArango.hrl").
 
+-compile(inline).
+-compile({inline_size, 128}).
 -compile([export_all, nowarn_export_all]).
 
 % doc_address:
diff --git a/src/arangoApi/agAsyncResultHandling.erl b/src/arangoApi/agAsyncResultHandling.erl
index a8069f1..8c6dbe7 100644
--- a/src/arangoApi/agAsyncResultHandling.erl
+++ b/src/arangoApi/agAsyncResultHandling.erl
@@ -1,6 +1,8 @@
 -module(agAsyncResultHandling).
 -include("erlArango.hrl").
 
+-compile(inline).
+-compile({inline_size, 128}).
 -compile([export_all, nowarn_export_all]).
 
 % doc_address:https://www.arangodb.com/docs/stable/http/async-results-management.html
diff --git a/src/arangoApi/agBulkImportExport.erl b/src/arangoApi/agBulkImportExport.erl
index c59929d..8dc3311 100644
--- a/src/arangoApi/agBulkImportExport.erl
+++ b/src/arangoApi/agBulkImportExport.erl
@@ -1,6 +1,8 @@
 -module(agBulkImportExport).
 -include("erlArango.hrl").
 
+-compile(inline).
+-compile({inline_size, 128}).
 -compile([export_all, nowarn_export_all]).
 
 % doc_address:https://www.arangodb.com/docs/stable/http/bulk-imports.html
diff --git a/src/arangoApi/agCluster.erl b/src/arangoApi/agCluster.erl
index 1225e92..bdd1966 100644
--- a/src/arangoApi/agCluster.erl
+++ b/src/arangoApi/agCluster.erl
@@ -1,6 +1,8 @@
 -module(agCluster).
 -include("erlArango.hrl").
 
+-compile(inline).
+-compile({inline_size, 128}).
 -compile([export_all, nowarn_export_all]).
 
 %% doc_address:https://www.arangodb.com/docs/stable/http/cluster.html
diff --git a/src/arangoApi/agCollections.erl b/src/arangoApi/agCollections.erl
index 7036d7a..7f8e251 100644
--- a/src/arangoApi/agCollections.erl
+++ b/src/arangoApi/agCollections.erl
@@ -1,6 +1,8 @@
 -module(agCollections).
 -include("erlArango.hrl").
 
+-compile(inline).
+-compile({inline_size, 128}).
 -compile([export_all, nowarn_export_all]).
 
 % doc_address:https://www.arangodb.com/docs/stable/http/collection.html
diff --git a/src/arangoApi/agDbMgr.erl b/src/arangoApi/agDbMgr.erl
index c54a80f..ca03cd1 100644
--- a/src/arangoApi/agDbMgr.erl
+++ b/src/arangoApi/agDbMgr.erl
@@ -1,6 +1,8 @@
 -module(agDbMgr).
 -include("erlArango.hrl").
 
+-compile(inline).
+-compile({inline_size, 128}).
 -compile([export_all, nowarn_export_all]).
 
 %% doc_address:https://www.arangodb.com/docs/stable/http/database-database-management.html
diff --git a/src/arangoApi/agDocuments.erl b/src/arangoApi/agDocuments.erl
index a4515a8..b17b3b9 100644
--- a/src/arangoApi/agDocuments.erl
+++ b/src/arangoApi/agDocuments.erl
@@ -1,6 +1,8 @@
 -module(agDocuments).
 -include("erlArango.hrl").
 
+-compile(inline).
+-compile({inline_size, 128}).
 -compile([export_all, nowarn_export_all]).
 
 %% doc_address:https://www.arangodb.com/docs/stable/http/document.html
diff --git a/src/arangoApi/agEdges.erl b/src/arangoApi/agEdges.erl
index 13a7068..82f4a3b 100644
--- a/src/arangoApi/agEdges.erl
+++ b/src/arangoApi/agEdges.erl
@@ -1,6 +1,8 @@
 -module(agEdges).
 -include("erlArango.hrl").
 
+-compile(inline).
+-compile({inline_size, 128}).
 -compile([export_all, nowarn_export_all]).
 
 %% doc_address:https://www.arangodb.com/docs/stable/http/edge.html
diff --git a/src/arangoApi/agEndPoints.erl b/src/arangoApi/agEndPoints.erl
index f29a663..bb7c619 100644
--- a/src/arangoApi/agEndPoints.erl
+++ b/src/arangoApi/agEndPoints.erl
@@ -1,6 +1,8 @@
 -module(agEndPoints).
 -include("erlArango.hrl").
 
+-compile(inline).
+-compile({inline_size, 128}).
 -compile([export_all, nowarn_export_all]).
 
 % doc_address:https://www.arangodb.com/docs/stable/http/endpoints.html
diff --git a/src/arangoApi/agFoxxServices.erl b/src/arangoApi/agFoxxServices.erl
index 64c98ed..458ddfc 100644
--- a/src/arangoApi/agFoxxServices.erl
+++ b/src/arangoApi/agFoxxServices.erl
@@ -1,6 +1,8 @@
 -module(agFoxxServices).
 -include("erlArango.hrl").
 
+-compile(inline).
+-compile({inline_size, 128}).
 -compile([export_all, nowarn_export_all]).
 
 % doc_address:https://www.arangodb.com/docs/stable/http/foxx.html
diff --git a/src/arangoApi/agGeneralGraphs.erl b/src/arangoApi/agGeneralGraphs.erl
index 77a9dec..d90f83b 100644
--- a/src/arangoApi/agGeneralGraphs.erl
+++ b/src/arangoApi/agGeneralGraphs.erl
@@ -1,6 +1,8 @@
 -module(agGeneralGraphs).
 -include("erlArango.hrl").
 
+-compile(inline).
+-compile({inline_size, 128}).
 -compile([export_all, nowarn_export_all]).
 
 %% doc_address:https://www.arangodb.com/docs/stable/http/gharial.html
diff --git a/src/arangoApi/agHotBackup.erl b/src/arangoApi/agHotBackup.erl
index a2858d6..31b5e71 100644
--- a/src/arangoApi/agHotBackup.erl
+++ b/src/arangoApi/agHotBackup.erl
@@ -1,6 +1,8 @@
 -module(agHotBackup).
 -include("erlArango.hrl").
 
+-compile(inline).
+-compile({inline_size, 128}).
 -compile([export_all, nowarn_export_all]).
 
 % doc_address:https://www.arangodb.com/docs/stable/http/hot-backup.html
diff --git a/src/arangoApi/agIndexes.erl b/src/arangoApi/agIndexes.erl
index 37a3a02..0d84755 100644
--- a/src/arangoApi/agIndexes.erl
+++ b/src/arangoApi/agIndexes.erl
@@ -1,6 +1,8 @@
 -module(agIndexes).
 -include("erlArango.hrl").
 
+-compile(inline).
+-compile({inline_size, 128}).
 -compile([export_all, nowarn_export_all]).
 
 % doc_address:https://www.arangodb.com/docs/stable/http/indexes.html
diff --git a/src/arangoApi/agMiscFun.erl b/src/arangoApi/agMiscFun.erl
index f6fec3f..8750e73 100644
--- a/src/arangoApi/agMiscFun.erl
+++ b/src/arangoApi/agMiscFun.erl
@@ -1,6 +1,8 @@
 -module(agMiscFun).
 -include("erlArango.hrl").
 
+-compile(inline).
+-compile({inline_size, 128}).
 -compile([export_all, nowarn_export_all]).
 
 %% doc_address:https://www.arangodb.com/docs/stable/http/miscellaneous-functions.html
diff --git a/src/arangoApi/agRepairJobs.erl b/src/arangoApi/agRepairJobs.erl
index c5f8e3c..193d3dc 100644
--- a/src/arangoApi/agRepairJobs.erl
+++ b/src/arangoApi/agRepairJobs.erl
@@ -1,6 +1,8 @@
 -module(agRepairJobs).
 -include("erlArango.hrl").
 
+-compile(inline).
+-compile({inline_size, 128}).
 -compile([export_all, nowarn_export_all]).
 
 %% doc_address:https://www.arangodb.com/docs/stable/http/repairs.html
diff --git a/src/arangoApi/agReplication.erl b/src/arangoApi/agReplication.erl
index 18cd18a..269159f 100644
--- a/src/arangoApi/agReplication.erl
+++ b/src/arangoApi/agReplication.erl
@@ -1,6 +1,8 @@
 -module(agReplication).
 -include("erlArango.hrl").
 
+-compile(inline).
+-compile({inline_size, 128}).
 -compile([export_all, nowarn_export_all]).
 
 % doc_address:https://www.arangodb.com/docs/3.6/http/replications.html
diff --git a/src/arangoApi/agSimpleQueries.erl b/src/arangoApi/agSimpleQueries.erl
index 8869b5f..450073f 100644
--- a/src/arangoApi/agSimpleQueries.erl
+++ b/src/arangoApi/agSimpleQueries.erl
@@ -1,6 +1,8 @@
 -module(agSimpleQueries).
 -include("erlArango.hrl").
 
+-compile(inline).
+-compile({inline_size, 128}).
 -compile([export_all, nowarn_export_all]).
 
 % doc_address:https://www.arangodb.com/docs/stable/http/simple-query.html
diff --git a/src/arangoApi/agTasks.erl b/src/arangoApi/agTasks.erl
index 5391c27..bc7cb45 100644
--- a/src/arangoApi/agTasks.erl
+++ b/src/arangoApi/agTasks.erl
@@ -1,6 +1,8 @@
 -module(agTasks).
 -include("erlArango.hrl").
 
+-compile(inline).
+-compile({inline_size, 128}).
 -compile([export_all, nowarn_export_all]).
 
 % doc_address:https://www.arangodb.com/docs/stable/http/traversal.html
diff --git a/src/arangoApi/agTransactions.erl b/src/arangoApi/agTransactions.erl
index b34471a..7e7b130 100644
--- a/src/arangoApi/agTransactions.erl
+++ b/src/arangoApi/agTransactions.erl
@@ -1,6 +1,8 @@
 -module(agTransactions).
 -include("erlArango.hrl").
 
+-compile(inline).
+-compile({inline_size, 128}).
 -compile([export_all, nowarn_export_all]).
 
 % doc_address:https://www.arangodb.com/docs/stable/http/transaction.html
diff --git a/src/arangoApi/agTraversals.erl b/src/arangoApi/agTraversals.erl
index 31ee36c..1e5d0ad 100644
--- a/src/arangoApi/agTraversals.erl
+++ b/src/arangoApi/agTraversals.erl
@@ -1,6 +1,8 @@
 -module(agTraversals).
 -include("erlArango.hrl").
 
+-compile(inline).
+-compile({inline_size, 128}).
 -compile([export_all, nowarn_export_all]).
 
 % doc_address:https://www.arangodb.com/docs/stable/http/traversal.html
diff --git a/src/arangoApi/agUserMgr.erl b/src/arangoApi/agUserMgr.erl
index b44dc17..cffd1d9 100644
--- a/src/arangoApi/agUserMgr.erl
+++ b/src/arangoApi/agUserMgr.erl
@@ -1,6 +1,8 @@
 -module(agUserMgr).
 -include("erlArango.hrl").
 
+-compile(inline).
+-compile({inline_size, 128}).
 -compile([export_all, nowarn_export_all]).
 
 % doc_address:https://www.arangodb.com/docs/stable/http/user-management.html
diff --git a/src/arangoApi/agViews.erl b/src/arangoApi/agViews.erl
index 63e8a8c..b3a852a 100644
--- a/src/arangoApi/agViews.erl
+++ b/src/arangoApi/agViews.erl
@@ -1,6 +1,8 @@
 -module(agViews).
 -include("erlArango.hrl").
 
+-compile(inline).
+-compile({inline_size, 128}).
 -compile([export_all, nowarn_export_all]).
 
 % doc_address:https://www.arangodb.com/docs/stable/http/views.html
diff --git a/src/httpCli/agAgencyPoolMgrIns.erl b/src/httpCli/agAgencyPoolMgrIns.erl
index f361fc7..95efec2 100644
--- a/src/httpCli/agAgencyPoolMgrIns.erl
+++ b/src/httpCli/agAgencyPoolMgrIns.erl
@@ -112,7 +112,7 @@ agencyMod(_) ->
 
 agencySpec(ServerMod, ServerName, Args) ->
    %% TODO 下面spawn_opt 参数需要调优
-   StartFunc = {ServerMod, start_link, [ServerName, Args, [{min_heap_size, 5000}, {min_bin_vheap_size, 100000}, {fullsweep_after, 500}]]},
+   StartFunc = {ServerMod, start_link, [ServerName, Args, [{min_heap_size, 10240}, {min_bin_vheap_size, 524288}, {fullsweep_after, 512}]]},
    {ServerName, StartFunc, transient, infinity, worker, [ServerMod]}.
 
 -spec startChildren(atom(), protocol(), poolSize(), agencyOpts()) -> ok.
diff --git a/src/httpCli/agHttpCli.erl b/src/httpCli/agHttpCli.erl
index f1036cc..aed19cb 100644
--- a/src/httpCli/agHttpCli.erl
+++ b/src/httpCli/agHttpCli.erl
@@ -14,7 +14,7 @@
    , castAgency/6
    , castAgency/7
    , castAgency/8
-   , receiveResponse/2
+   , receiveRequestRet/2
 
    %% 连接池API
    , startPool/2
@@ -41,7 +41,7 @@ callAgency(PoolNameOrSocket, Method, Path, Headers, Body, IsSystem) ->
 callAgency(PoolNameOrSocket, Method, Path, Headers, Body, IsSystem, Timeout) ->
    case castAgency(PoolNameOrSocket, Method, Path, Headers, Body, self(), IsSystem, Timeout) of
       {ok, RequestId, MonitorRef} ->
-         receiveResponse(RequestId, MonitorRef);
+         receiveRequestRet(RequestId, MonitorRef);
       {error, _Reason} = Err ->
          Err;
       Ret ->
@@ -124,14 +124,14 @@ castAgency(PoolNameOrSocket, Method, Path, Headers, Body, Pid, IsSystem, Timeout
          end
    end.
 
--spec receiveResponse(requestId(), reference()) -> term() | {error, term()}.
-receiveResponse(RequestId, MonitorRef) ->
+-spec receiveRequestRet(requestId(), reference()) -> term() | {error, term()}.
+receiveRequestRet(RequestId, MonitorRef) ->
    receive
       #miRequestRet{requestId = RequestId, reply = Reply} ->
          erlang:demonitor(MonitorRef),
          case Reply of
             {ok, Headers, Body} ->
-               {ok, Headers, jiffy:decode(Body, [return_maps])};
+               {ok, Headers, jiffy:decode(Body, [return_maps, copy_strings])};
             _ ->
                Reply
          end;
@@ -145,7 +145,7 @@ receiveTcpData(RecvState, Socket, TimerRef, Rn, RnRn, IsHeadMethod) ->
       {tcp, Socket, Data} ->
          try agHttpProtocol:response(RecvState, Rn, RnRn, Data, IsHeadMethod) of
             {done, #recvState{headers = Headers, body = Body}} ->
-               {ok, Headers, jiffy:decode(Body, [return_maps])};
+               {ok, Headers, jiffy:decode(Body, [return_maps, copy_strings])};
             {ok, NewRecvState} ->
                receiveTcpData(NewRecvState, Socket, TimerRef, Rn, RnRn, IsHeadMethod);
             {error, Reason} ->
@@ -165,10 +165,7 @@ receiveTcpData(RecvState, Socket, TimerRef, Rn, RnRn, IsHeadMethod) ->
          {error, tcp_closed};
       {tcp_error, Socket, Reason} ->
          disConnectDb(Socket),
-         {error, {tcp_error, Reason}};
-      _Msg ->
-         ?WARN(receiveTcpData, "receive unexpect msg: ~p~n", [_Msg]),
-         receiveTcpData(RecvState, Socket, TimerRef, Rn, RnRn, IsHeadMethod)
+         {error, {tcp_error, Reason}}
    end.
 
 -spec receiveSslData(recvState() | undefined, socket(), reference() | undefined, binary:cp(), binary:cp(), boolean()) -> {ok, term(), term()} | {error, term()}.
@@ -177,9 +174,9 @@ receiveSslData(RecvState, Socket, TimerRef, Rn, RnRn, IsHeadMethod) ->
       {ssl, Socket, Data} ->
          try agHttpProtocol:response(RecvState, Rn, RnRn, Data, IsHeadMethod) of
             {done, #recvState{headers = Headers, body = Body}} ->
-               {ok, Headers, jiffy:decode(Body, [return_maps])};
+               {ok, Headers, jiffy:decode(Body, [return_maps, copy_strings])};
             {ok, NewRecvState} ->
-               receiveTcpData(NewRecvState, Socket, TimerRef, Rn, RnRn, IsHeadMethod);
+               receiveSslData(NewRecvState, Socket, TimerRef, Rn, RnRn, IsHeadMethod);
             {error, Reason} ->
                ?WARN(receiveSslData, "handle tcp data error: ~p ~n", [Reason]),
                disConnectDb(Socket),
@@ -197,10 +194,7 @@ receiveSslData(RecvState, Socket, TimerRef, Rn, RnRn, IsHeadMethod) ->
          {error, ssl_closed};
       {ssl_error, Socket, Reason} ->
          disConnectDb(Socket),
-         {error, {ssl_error, Reason}};
-      _Msg ->
-         ?WARN(receiveSslData, "receive unexpect msg: ~p~n", [_Msg]),
-         receiveSslData(RecvState, Socket, TimerRef, Rn, RnRn, IsHeadMethod)
+         {error, {ssl_error, Reason}}
    end.
 
 -spec startPool(poolName(), dbCfgs()) -> ok | {error, pool_name_used}.
diff --git a/src/httpCli/agHttpProtocol.erl b/src/httpCli/agHttpProtocol.erl
index 8977d9b..c0c5f1b 100644
--- a/src/httpCli/agHttpProtocol.erl
+++ b/src/httpCli/agHttpProtocol.erl
@@ -59,7 +59,7 @@ response(undefined, Rn, RnRn, Data, IsHeadMethod) ->
             {chunked, Headers, Body} ->
                case IsHeadMethod orelse StatusCode == 204 orelse StatusCode == 304 orelse (StatusCode < 200 andalso StatusCode >= 100) of
                   true ->
-                     {done, #recvState{stage = done, statusCode = StatusCode, headers = Headers, contentLength = 0, body = Rest}};
+                     {done, #recvState{stage = done, statusCode = StatusCode, headers = Headers, contentLength = 0, body = <<"{}">>}};
                   _ ->
                      RecvState = #recvState{stage = body, contentLength = chunked, statusCode = StatusCode, headers = Headers},
                      response(RecvState, Rn, RnRn, Body, IsHeadMethod)
@@ -75,7 +75,7 @@ response(undefined, Rn, RnRn, Data, IsHeadMethod) ->
                   true ->
                      case IsHeadMethod orelse StatusCode == 204 orelse StatusCode == 304 orelse (StatusCode < 200 andalso StatusCode >= 100) of
                         true ->
-                           {done, #recvState{stage = done, statusCode = StatusCode, headers = Headers, contentLength = ContentLength, body = Body}};
+                           {done, #recvState{stage = done, statusCode = StatusCode, headers = Headers, contentLength = ContentLength, body = <<"{}">>}};
                         _ ->
                            {ok, #recvState{stage = body, statusCode = StatusCode, headers = Headers, contentLength = ContentLength, body = Body}}
                      end
@@ -126,7 +126,7 @@ response(#recvState{stage = header, body = OldBody}, Rn, RnRn, Data, IsHeadMetho
             {chunked, Headers, Rest} ->
                case IsHeadMethod orelse StatusCode == 204 orelse StatusCode == 304 orelse (StatusCode < 200 andalso StatusCode >= 100) of
                   true ->
-                     {done, #recvState{stage = done, statusCode = StatusCode, headers = Headers, contentLength = 0, body = Rest}};
+                     {done, #recvState{stage = done, statusCode = StatusCode, headers = Headers, contentLength = 0, body = <<"{}">>}};
                   _ ->
                      RecvState = #recvState{stage = body, contentLength = chunked, statusCode = StatusCode, headers = Headers},
                      response(RecvState, Rn, RnRn, Rest, IsHeadMethod)
@@ -142,7 +142,7 @@ response(#recvState{stage = header, body = OldBody}, Rn, RnRn, Data, IsHeadMetho
                   true ->
                      case IsHeadMethod orelse StatusCode == 204 orelse StatusCode == 304 orelse (StatusCode < 200 andalso StatusCode >= 100) of
                         true ->
-                           {done, #recvState{stage = done, statusCode = StatusCode, headers = Headers, contentLength = ContentLength, body = Body}};
+                           {done, #recvState{stage = done, statusCode = StatusCode, headers = Headers, contentLength = ContentLength, body = <<"{}">>}};
                         _ ->
                            {ok, #recvState{stage = body, statusCode = StatusCode, headers = Headers, contentLength = ContentLength, body = Body}}
                      end
@@ -167,7 +167,7 @@ splitHeaders(Data, Rn, RnRn) ->
       [Headers, Body] ->
          HeadersList = binary:split(Headers, Rn, [global]),
          ContentLength = contentLength(HeadersList),
-         {ContentLength, HeadersList, Body}
+         {ContentLength, Headers, Body}
    end.
 
 contentLength([]) ->
diff --git a/src/httpCli/agMiscUtils.erl b/src/httpCli/agMiscUtils.erl
index c85594e..70a2863 100644
--- a/src/httpCli/agMiscUtils.erl
+++ b/src/httpCli/agMiscUtils.erl
@@ -13,6 +13,7 @@
    , randomElement/1
    , toBinary/1
    , spellQueryPars/1
+   , getHeaderValue/2
    , lookHeader/2
 ]).
 
@@ -107,9 +108,14 @@ spellQueryPars([{Key, Value} | Tail]) ->
    TailBinary = <<<<"&", (toBinary(OtherKey))/binary, "=", (toBinary(OtherValue))/binary>> || {OtherKey, OtherValue} <- Tail>>,
    <<FirstBinary/binary, TailBinary/binary>>.
 
+-spec getHeaderValue(binary(), binary()) -> binary().
+getHeaderValue(Header, HeaderBin) ->
+   HeadersList = binary:split(HeaderBin, <<"\r\n">>, [global]),
+   lookHeader(Header, HeadersList).
+
 -spec lookHeader(binary, list()) -> binary().
 lookHeader(_Header, []) ->
-   <<>>;
+   undefined;
 lookHeader(Header, [H | T]) ->
    case binary:split(H, <<": ">>) of
       [Header, Value] ->
diff --git a/src/httpCli/agSslAgencyIns.erl b/src/httpCli/agSslAgencyIns.erl
index 26be99e..dd35516 100644
--- a/src/httpCli/agSslAgencyIns.erl
+++ b/src/httpCli/agSslAgencyIns.erl
@@ -188,7 +188,7 @@ overDealQueueRequest(#miRequest{method = Method, path = Path, headers = Headers,
 
 -spec overReceiveSslData(srvState(), cliState()) -> {ok, srvState(), cliState()}.
 overReceiveSslData(#srvState{poolName = PoolName, serverName = ServerName, rn = Rn, rnrn = RnRn, socket = Socket} = SrvState,
-   #cliState{isHeadMethod = IsHeadMethod, backlogNum = BacklogNum, curInfo = CurInfo, requestsOut = RequestsOut, recvState = RecvState} = CliState) ->
+   #cliState{isHeadMethod = IsHeadMethod, backlogNum = BacklogNum, curInfo = CurInfo, requestsIn = RequestsIn, requestsOut = RequestsOut, recvState = RecvState} = CliState) ->
    receive
       {ssl, Socket, Data} ->
          try agHttpProtocol:response(RecvState, Rn, RnRn, Data, IsHeadMethod) of
@@ -245,6 +245,9 @@ overReceiveSslData(#srvState{poolName = PoolName, serverName = ServerName, rn =
       {ssl_error, Socket, Reason} ->
          ssl:close(Socket),
          agAgencyUtils:dealClose(SrvState, CliState, {error, {ssl_error, Reason}});
+      #miRequest{} = MiRequest ->
+         agAgencyUtils:addQueue(RequestsIn, MiRequest),
+         overReceiveSslData(SrvState, CliState#cliState{requestsIn = RequestsIn + 1, backlogNum = BacklogNum + 1});
       _Msg ->
          ?WARN(overReceiveSslData, "receive unexpect msg: ~p~n", [_Msg]),
          overReceiveSslData(SrvState, CliState)
diff --git a/src/httpCli/agTcpAgencyIns.erl b/src/httpCli/agTcpAgencyIns.erl
index e2ce751..64e6de2 100644
--- a/src/httpCli/agTcpAgencyIns.erl
+++ b/src/httpCli/agTcpAgencyIns.erl
@@ -187,7 +187,7 @@ overDealQueueRequest(#miRequest{method = Method, path = Path, headers = Headers,
 
 -spec overReceiveTcpData(srvState(), cliState()) -> {ok, srvState(), cliState()}.
 overReceiveTcpData(#srvState{poolName = PoolName, serverName = ServerName, rn = Rn, rnrn = RnRn, socket = Socket} = SrvState,
-   #cliState{isHeadMethod = IsHeadMethod, backlogNum = BacklogNum, curInfo = CurInfo, requestsOut = RequestsOut, recvState = RecvState} = CliState) ->
+   #cliState{isHeadMethod = IsHeadMethod, backlogNum = BacklogNum, curInfo = CurInfo, requestsIn = RequestsIn, requestsOut = RequestsOut, recvState = RecvState} = CliState) ->
    receive
       {tcp, Socket, Data} ->
          try agHttpProtocol:response(RecvState, Rn, RnRn, Data, IsHeadMethod) of
@@ -244,6 +244,9 @@ overReceiveTcpData(#srvState{poolName = PoolName, serverName = ServerName, rn =
       {tcp_error, Socket, Reason} ->
          gen_tcp:close(Socket),
          agAgencyUtils:dealClose(SrvState, CliState, {error, {tcp_error, Reason}});
+      #miRequest{} = MiRequest ->
+         agAgencyUtils:addQueue(RequestsIn, MiRequest),
+         overReceiveTcpData(SrvState, CliState#cliState{requestsIn = RequestsIn + 1, backlogNum = BacklogNum + 1});
       _Msg ->
          ?WARN(overReceiveTcpData, "receive unexpect msg: ~p~n", [_Msg]),
          overReceiveTcpData(SrvState, CliState)
diff --git a/src/user_default.erl b/src/user_default.erl
index b90c96c..a366c8e 100644
--- a/src/user_default.erl
+++ b/src/user_default.erl
@@ -10,23 +10,21 @@ start() ->
    agHttpCli:startPool(tt, [{poolSize, 10}], []).
 
 tt(C, N) ->
-   application:start(erlArango),
-   agHttpCli:startPool(tt, [{poolSize, 100}], []),
-   Request = {<<"GET">>, <<"/_api/database/current">>, [], []},
-   io:format("IMY**********************  start time ~p~n", [erlang:system_time(millisecond)]),
-   [spawn(test, test, [N, Request]) || _Idx <- lists:seq(1, C)].
+   application:ensure_all_started(erlArango),
+   agHttpCli:startPool(tt, [{poolSize, 16}], []),
+   StartTime = erlang:system_time(millisecond),
+   io:format("IMY**********************  started~n"),
+   [spawn(?MODULE, test, [N, StartTime]) || _Idx <- lists:seq(1, C)].
 %%test(N, Request).
 
 %% /_api/database
 
-test(0, Request) ->
-   R1 = {<<"GET">>, <<"/_api/database">>, [], []},
-   agHttpCli:callAgency(tt, R1, 5000),
-   io:format("IMY**********************  test over ~p~n", [erlang:system_time(millisecond)]);
-test(N, Request) ->
-   erlang:put(cnt, N),
-   agHttpCli:callAgency(tt, Request, 5000),
-   test(N - 1, Request).
+test(0, StartTime) ->
+   agDbMgr:curDbList(tt),
+   io:format("IMY******test over use time ~p~n", [erlang:system_time(millisecond) - StartTime]);
+test(N, StartTime) ->
+   agDbMgr:curDbList(tt),
+   test(N - 1, StartTime).
 
 %% tt(C, N) ->
 %%    application:start(erlArango),
@@ -64,3 +62,96 @@ tcjx(N, Args1) ->
    Args = {[{name, ffd}, {tet, "fdsff"}, {<<"dfdf">>, 131245435346}]},
    jiffy:encode(Args),
    tcjx(N - 1, Args1).
+
+
+
+-define(HeadBin, <<"X-Content-Type-Options: nosniff\r\nEtag: \"_aKwJ_tm--E\"\r\nServer: ArangoDB\r\nConnection: Keep-Alive\r\nContent-Type: application/json; charset=utf-8\r\nContent-Length: 178">>).
+th1(0, Fun, Rn) ->
+   ?MODULE:Fun(?HeadBin, Rn);
+th1(N, Fun, Rn) ->
+   ?MODULE:Fun(?HeadBin, Rn),
+   th1(N - 1, Fun, Rn).
+
+th2(0, Fun, Cl, Rn) ->
+   ?MODULE:Fun(?HeadBin, Cl, Rn);
+th2(N, Fun, Cl, Rn) ->
+   ?MODULE:Fun(?HeadBin, Cl, Rn),
+   th2(N - 1, Fun, Cl, Rn).
+
+head1(Headers, Rn) ->
+   HeadersList = binary:split(Headers, Rn, [global]),
+   contentLength(HeadersList).
+
+head2(Headers, _Rn) ->
+   HeadersList = binary:split(Headers, <<"\r\n">>, [global]),
+   contentLength(HeadersList).
+
+head3(Headers, CL, Rn) ->
+   case binary:split(Headers, CL) of
+      [_, Rest1] ->
+         case binary:split(Rest1, Rn) of
+            [InBin, _Rest2] ->
+               binary_to_integer(InBin);
+            [InBin] ->
+               binary_to_integer(InBin)
+         end;
+      _ ->
+         0
+   end.
+
+%% binary:compile_pattern(<<"\r\n">>)
+%% binary:compile_pattern(<<"Content-Length: ">>)
+
+head4(Headers, _CL, _Rn) ->
+   case binary:split(Headers, <<"Content-Length: ">>) of
+      [_, Rest1] ->
+         case binary:split(Rest1, <<"\r\n">>) of
+            [InBin, _Rest2] ->
+               binary_to_integer(InBin);
+            [InBin] ->
+               binary_to_integer(InBin)
+         end;
+      _ ->
+         0
+   end.
+
+contentLength([]) ->
+   undefined;
+contentLength([<<"Content-Length: ", Rest/binary>> | _T]) ->
+   binary_to_integer(Rest);
+contentLength([<<"content-length: ", Rest/binary>> | _T]) ->
+   binary_to_integer(Rest);
+contentLength([<<"Transfer-Encoding: chunked">> | _T]) ->
+   chunked;
+contentLength([<<"transfer-encoding: chunked">> | _T]) ->
+   chunked;
+contentLength([_ | T]) ->
+   contentLength(T).
+
+
+-define(BodyBin1, <<"{\"_key\":\"01J\",\"_id\":\"airports/01J\",\"_rev\":\"_aKwJ_tm--E\",\"name\":\"Hilliard Airpark\",\"city\":\"Hilliard\",\"state\":\"FL\",\"country\":\"USA\",\"lat\":30.6880125,\"long\":-81.90594389,\"vip\":false}">>).
+-define(BodyBin2, <<"{\"_key\":\"01J\",\"_id\":\"airports/01J\",\"_rev\":\"_aPaBl7O--_\",\"name\":\"Hilliard Airpark\",\"city\":\"Hilliardfdfsdfdsffffffffffffffffffffffffffffffffffffffffffffffffffffffffafdsfasdfdafsdafdsfsdafdsafdsfdsfdsafdsfdsfdsfhghfghfghgfhsdsdfdsfdsfdsffdfddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddggggggggggggggggggggggggggggggggggggggggg\",\"state\":\"FL\",\"country\":\"USAjjkjkjkfgjkgjfkdjgldgjldjglfdjglfjdljljrlejtrltjewltjrelwtjrletjrletrletjlrejtjtrlwjrejwlrjjreljtljelwjrtlwjtreljrlewjrlwjrlwejrlejltkdfsafd\",\"lat\":30.6880125,\"long\":-81.90594389,\"vip\":false}">>).
+
+jd1(0, Fun) ->
+   ?MODULE:Fun(?BodyBin1);
+jd1(N, Fun) ->
+   ?MODULE:Fun(?BodyBin1),
+   jd1(N - 1, Fun).
+
+jd2(0, Fun) ->
+   ?MODULE:Fun(?BodyBin2);
+jd2(N, Fun) ->
+   ?MODULE:Fun(?BodyBin2),
+   jd2(N - 1, Fun).
+
+decode1(Bin) ->
+   jiffy:decode(Bin, [return_maps]).
+
+decode2(Bin) ->
+   jiffy:decode(Bin, [return_maps, copy_strings]).
+
+decode3(Bin) ->
+   jiffy:decode(Bin, [return_maps]).
+
+decode4(Bin) ->
+   jiffy:decode(Bin, [return_maps, copy_strings]).