diff --git a/include/eVPack.hrl b/include/eVPack.hrl
index b984c8c..3a3191d 100644
--- a/include/eVPack.hrl
+++ b/include/eVPack.hrl
@@ -10,7 +10,7 @@
 -define(VpArrNc, 0).          %% 不压缩编码
 -define(VpArrYc, 1).          %% 压缩编码
 
--define(VpObjDef, 0).         %% 默认选项 不排序Obj key  Obj不压缩
+-define(VpObjDef, 0).         %% 默认选项 排序Obj key  Obj不压缩
 -define(VpArrDef, 0).         %% 默认选项 Arr不压缩排序
 
 -define(VpAllOpts(Arr, Obj), Obj bsl 1 bor Arr).      %% 拼装Obj 与 Arr选项
diff --git a/src/deTest.erl b/src/deTest.erl
index d85f195..a453cb4 100644
--- a/src/deTest.erl
+++ b/src/deTest.erl
@@ -143,7 +143,7 @@ do() ->
    Ex8 = eVPack:decode(<<20, 16, 65, 97, 40, 12, 65, 98, 26, 65, 99, 67, 120, 121, 122, 3>>),
    Ex9 = [#{<<"a">> => 12, <<"b">> => true, <<"c">> => <<"xyz">>}, #{<<"a">> => 12, <<"b">> => true, <<"c">> => <<"xyz">>}],
    Ex9 = eVPack:decode(<<19, 35, 20, 16, 65, 97, 40, 12, 65, 98, 26, 65, 99, 67, 120, 121, 122, 3, 20, 16, 65, 97, 40, 12, 65, 98, 26, 65, 99, 67, 120, 121, 122, 3, 2>>),
-   Ex10 = [#{<<"key">> => 42}, <<"fooooobar">>, <<"x">>, <<1, 2, 3, 4, 5, 6, 7, 8>>],
+   Ex10 = [#{<<"key">> => 42}, <<"fooooobar">>, <<"x">>, {?blob, <<1, 2, 3, 4, 5, 6, 7, 8>>}],
    Ex10Bin = <<2, 42, 11, 10, 1, 67, 107, 101, 121, 40, 42, 3, 73, 102, 111, 111, 111, 111, 111,
                98, 97, 114, 191, 1, 0, 0, 0, 0, 0, 0, 0, 120, 192, 8, 1, 2, 3, 4, 5, 6, 7, 8>>,
    Ex10 = eVPack:decode(Ex10Bin),
diff --git a/src/eVPack.erl b/src/eVPack.erl
index ebec423..1b0f128 100644
--- a/src/eVPack.erl
+++ b/src/eVPack.erl
@@ -11,6 +11,8 @@
    decodeAll/1
    , decodeHeader/1
    , decoder/1
+   %% for test
+   , decode/1
 
    %% encode
    , encodeIol/1
@@ -478,6 +480,9 @@ decoder(DataBin) ->
          erlang:throw({error, unexpected_end})
    end.
 
+decode(DataBin) ->
+   element(1, decoder(DataBin)).
+
 decoder(0, RestBin) ->
    erlang:throw({error, {unsupported_type, RestBin}});
 decoder(1, RestBin) ->
diff --git a/src/enTest.erl b/src/enTest.erl
index 1ca030c..fc8045b 100644
--- a/src/enTest.erl
+++ b/src/enTest.erl
@@ -117,8 +117,8 @@ do() ->
    ArrsBin = [[1, 2, 3], [1, 2, 3]],
    ArrLists = eVPack:encodeBin(ArrsBin),
    <<10>> = eVPack:encodeBin(#{}),
-   <<15, 8, 1, 65, 97, 65, 98, 3>> = eVPack:encodeBin(#{<<"a">> => <<"b">>}),
-   <<15, 13, 2, 65, 97, 65, 98, 65, 98, 65, 97, 3, 7>> = eVPack:encodeBin(#{a => <<"b">>, b => <<"a">>}),
+   <<11, 8, 1, 65, 97, 65, 98, 3>> = eVPack:encodeBin(#{<<"a">> => <<"b">>}),
+   <<11, 13, 2, 65, 97, 65, 98, 65, 98, 65, 97, 3, 7>> = eVPack:encodeBin(#{a => <<"b">>, b => <<"a">>}),
    Maps = #{<<"0">> =>
    #{<<"0">> => <<"test">>, <<"1">> => <<"test">>,
       <<"2">> => <<"test">>, <<"3">> => <<"test">>,