diff --git a/app/wizard_demo/pkv/CMakeLists.txt b/app/wizard_demo/pkv/CMakeLists.txt
index 3c16ef279..b544fca1b 100644
--- a/app/wizard_demo/pkv/CMakeLists.txt
+++ b/app/wizard_demo/pkv/CMakeLists.txt
@@ -80,10 +80,16 @@ add_definitions(
     "-Wno-error=deprecated-declarations"
     "-Wno-deprecated-declarations"
     "-fPIC"
-    "-std=c++17"
     "-DHAS_ROCKSDB"
+    "-DHAS_WT"
 )
 
+if (${BUILD_WITH_C11} MATCHES "YES")
+    add_definitions("-std=c++11")
+else()
+    add_definitions("-std=c++17")
+endif()
+
 #find_library(acl_lib acl_all PATHS /usr/lib /usr/local/lib)
 #find_library(fiber_cpp_lib fiber_cpp PATHS /usr/lib /usr/local/lib)
 #find_library(fiber_lib fiber PATHS /usr/lib /usr/local/lib)
@@ -91,25 +97,21 @@ add_definitions(
 set(acl_all ${home_path}/lib_fiber/lib/libfiber_cpp.a ${home_path}/libacl_all.a)
 set(fiber ${home_path}/lib_fiber/lib/libfiber.a)
 
-find_library(rocksdb_lib rocksdb PATHS /usr/lib /usr/local/lib)
-#set(rocksdb /usr/local/lib/librocksdb.a)
-set(rocksdb -lrocksdb)
-
-find_library(jemalloc jemalloc PATHS /usr/lib /usr/local/lib)
-set(jemalloc -ljemalloc)
+find_library(jemalloc NAMES jemalloc PATHS /usr/lib /usr/local/lib)
+find_library(rocksdb NAMES rocksdb PATHS /usr/lib /usr/local/lib)
+find_library(wiredtiger NAMES wiredtiger PATHS /usr/lib /usr/local/lib)
 
 #set(wt -lwiredtiger)
 #set(uring -luring)
 #set(iconv -liconv)
 
 if(CMAKE_SYSTEM_NAME MATCHES "Darwin")
-#    set(lib_all  ${lib_global} ${lib_rpc} ${fiber_cpp_lib} ${acl_lib} ${fiber_lib}
     set(lib_all ${acl_all}
-        ${rocksdb} ${fiber} -liconv -lz -lpthread -ldl)
+        ${rocksdb} ${wiredtiger} ${fiber} -liconv -lz -lpthread -ldl)
 elseif(CMAKE_SYSTEM_NAME MATCHES "Linux")
-#    set(lib_all  ${lib_global} ${lib_rpc} ${fiber_cpp_lib} ${acl_lib} ${fiber_lib}
     set(lib_all ${acl_all}
-        ${rocksdb} ${wt} ${fiber} ${uring} ${iconv} ${jemalloc}  -lz -lpthread -ldl)
+        ${rocksdb} ${wiredtiger} ${fiber} ${uring} ${iconv} ${jemalloc}
+	-lz -lpthread -ldl)
 endif()
 
 set(output_path ${CMAKE_CURRENT_SOURCE_DIR})
diff --git a/app/wizard_demo/pkv/Makefile b/app/wizard_demo/pkv/Makefile
index 22975ed7d..60bb52736 100644
--- a/app/wizard_demo/pkv/Makefile
+++ b/app/wizard_demo/pkv/Makefile
@@ -1,5 +1,14 @@
+
+# make BUILD_WITH_C11=YES; or make
+#
+ifeq ($(BUILD_WITH_C11), YES)
+    BUILD_ARGS = -DBUILD_WITH_C11=YES
+else
+    BUILD_ARGS = -DBUILD_WITH_C11=NO
+endif
+
 all:
-	@(mkdir -p build; cd build; cmake ..; make -j 4)
+	@(mkdir -p build; cd build; cmake ${BUILD_ARGS} ..; make -j 4)
 
 clean cl:
 	@(rm -rf build pkv)
diff --git a/app/wizard_demo/pkv/action/redis_handler.cpp b/app/wizard_demo/pkv/action/redis_handler.cpp
index 052db2183..6778dc1a8 100644
--- a/app/wizard_demo/pkv/action/redis_handler.cpp
+++ b/app/wizard_demo/pkv/action/redis_handler.cpp
@@ -115,19 +115,19 @@ bool redis_handler::set(const redis_object &obj) {
         return false;
     }
 
-#if 0
-    std::string buff;
-    coder_.create_object().set_string(value);
-    coder_.to_string(buff);
-    coder_.clear();
+    if (!var_cfg_disable_serialize) {
+        std::string buff;
+        coder_.create_object().set_string(value);
+        coder_.to_string(buff);
+        coder_.clear();
 
-# if 1
-    if (!db_->set(key, buff.c_str())) {
-        logger_error("db set error, key=%s", key);
-        return false;
+        if (!var_cfg_disable_save) {
+            if (!db_->set(key, buff.c_str())) {
+                logger_error("db set error, key=%s", key);
+                return false;
+            }
+        }
     }
-# endif
-#endif
 
     builder_.create_object().set_status("OK");
     return true;
@@ -244,7 +244,7 @@ bool redis_handler::hset(const redis_object &obj) {
         return false;
     }
 
-    if (!db_->set(key, buff.c_str())) {
+    if (!db_->set(key, buff)) {
         logger_error("set key=%s, value=%s error", key, buff.c_str());
         return false;
     }
diff --git a/app/wizard_demo/pkv/db/db.cpp b/app/wizard_demo/pkv/db/db.cpp
index 726150882..e10242686 100644
--- a/app/wizard_demo/pkv/db/db.cpp
+++ b/app/wizard_demo/pkv/db/db.cpp
@@ -1,5 +1,13 @@
 #include "stdafx.h"
+
+#ifdef HAS_ROCKSDB
 #include "rocksdb/rdb.h"
+#endif
+
+#ifdef HAS_WT
+#include "wt/wdb.h"
+#endif
+
 #include "db.h"
 
 namespace pkv {
@@ -34,4 +42,12 @@ shared_db db::create_rdb() {
 #endif
 }
 
+shared_db db::create_wdb() {
+#ifdef HAS_WT
+    return std::make_shared<wdb>();
+#else
+    return std::make_shared<dummy_db>();
+#endif
+}
+
 } // namespace pkv
diff --git a/app/wizard_demo/pkv/db/db.h b/app/wizard_demo/pkv/db/db.h
index 694f798f1..8ffcbf180 100644
--- a/app/wizard_demo/pkv/db/db.h
+++ b/app/wizard_demo/pkv/db/db.h
@@ -16,6 +16,7 @@ public:
     virtual bool del(const std::string& key) = 0;
 
     static shared_db create_rdb();
+    static shared_db create_wdb();
 };
 
 } // namespace pkv
diff --git a/app/wizard_demo/pkv/db/rocksdb/rdb.cpp b/app/wizard_demo/pkv/db/rocksdb/rdb.cpp
index 5ce878689..cbd30a2e1 100644
--- a/app/wizard_demo/pkv/db/rocksdb/rdb.cpp
+++ b/app/wizard_demo/pkv/db/rocksdb/rdb.cpp
@@ -19,17 +19,24 @@ rdb::~rdb() {
 }
 
 bool rdb::open(const char* path) {
+    path_ = path;
+    path_ += "/rdb";
+
+    if (acl_make_dirs(path_.c_str(), 0755) == -1) {
+        logger_error("create %s error=%s", path_.c_str(), acl::last_serror());
+        return -1;
+    }
+
     Options options;
     options.IncreaseParallelism();
     // options.OptimizeLevelStyleCompaction();
     options.create_if_missing = true;
-    Status s = DB::Open(options, path, &db_);
+    Status s = DB::Open(options, path_.c_str(), &db_);
     if (!s.ok()) {
-        logger_error("open %s db error: %s", path, s.getState());
+        logger_error("open %s db error: %s", path_.c_str(), s.getState());
         return false;
     }
 
-    path_ = path;
     return true;
 }
 
diff --git a/app/wizard_demo/pkv/db/rocksdb/rdb.h b/app/wizard_demo/pkv/db/rocksdb/rdb.h
index f69be4008..3a08c02d8 100644
--- a/app/wizard_demo/pkv/db/rocksdb/rdb.h
+++ b/app/wizard_demo/pkv/db/rocksdb/rdb.h
@@ -5,34 +5,34 @@
 #ifdef HAS_ROCKSDB
 
 namespace rocksdb {
-	class DB;
+    class DB;
 }
 
 namespace pkv {
 
 class rdb : public db {
 public:
-	rdb();
-	~rdb() override;
+    rdb();
+    ~rdb() override;
 
 protected:
-	// @override
-	bool open(const char* path) override;
+    // @override
+    bool open(const char* path) override;
 
-	// @override
-	bool set(const std::string& key, const std::string& value) override;
+    // @override
+    bool set(const std::string& key, const std::string& value) override;
 
-	// @override
-	bool get(const std::string& key, std::string& value) override;
+    // @override
+    bool get(const std::string& key, std::string& value) override;
 
-	// @override
-	bool del(const std::string& key) override;
+    // @override
+    bool del(const std::string& key) override;
 
 private:
-	std::string path_;
-	rocksdb::DB* db_;
+    std::string path_;
+    rocksdb::DB* db_;
 };
 
 } // namespace pkv
 
-#endif // HAS_ROCKSDB
+#endif // HAS_ROCKSDB
\ No newline at end of file
diff --git a/app/wizard_demo/pkv/db/wt/wdb.cpp b/app/wizard_demo/pkv/db/wt/wdb.cpp
new file mode 100644
index 000000000..892a63654
--- /dev/null
+++ b/app/wizard_demo/pkv/db/wt/wdb.cpp
@@ -0,0 +1,99 @@
+//
+// Created by shuxin 　　zheng on 2023/7/27.
+//
+
+#include "stdafx.h"
+
+#ifdef HAS_WT
+
+#include <wiredtiger.h>
+#include "wt_sess.h"
+#include "wdb.h"
+
+namespace pkv {
+
+wdb::wdb(size_t cache_max) : db_(nullptr), cache_max_(cache_max) {}
+
+wdb::~wdb() {
+    if (db_) {
+        db_->close(db_, nullptr);
+    }
+}
+
+bool wdb::open(const char *path) {
+    path_ = path;
+    path_ += "/wdb";
+    if (acl_make_dirs(path_.c_str(), 0755) == -1) {
+        logger_error("create dir=%s error=%s", path_.c_str(), acl::last_serror());
+        return false;
+    }
+
+    int ret = wiredtiger_open(path_.c_str(), nullptr, "create", &db_);
+    if (ret != 0) {
+        logger_error("open %s error=%d", path_.c_str(), ret);
+        return false;
+    }
+
+    return true;
+}
+
+bool wdb::set(const std::string &key, const std::string &value) {
+    auto sess = get_session();
+    if (sess == nullptr) {
+        return false;
+    }
+
+    bool ret = sess->add(key, value);
+    put_session(sess);
+    return ret;
+}
+
+bool wdb::get(const std::string &key, std::string &value) {
+    auto sess = get_session();
+    if (sess == nullptr) {
+        return false;
+    }
+
+    bool ret = sess->get(key, value);
+    put_session(sess);
+    return ret;
+}
+
+bool wdb::del(const std::string &key) {
+    auto sess = get_session();
+    if (sess == nullptr) {
+        return false;
+    }
+
+    bool ret = sess->del(key);
+    put_session(sess);
+    return ret;
+}
+
+wt_sess *wdb::get_session() {
+    if (sessions_.empty()) {
+        auto sess = new wt_sess(*this);
+        if (sess->open()) {
+            return sess;
+        }
+
+        delete sess;
+        return nullptr;
+    }
+
+    auto sess = sessions_.back();
+    sessions_.pop_back();
+    return sess;
+}
+
+void wdb::put_session(wt_sess* sess) {
+    if (sessions_.size() < cache_max_) {
+        sessions_.emplace_back(sess);
+    } else {
+        delete sess;
+    }
+}
+
+} // namespace pkv
+
+#endif // HAS_WT
\ No newline at end of file
diff --git a/app/wizard_demo/pkv/db/wt/wdb.h b/app/wizard_demo/pkv/db/wt/wdb.h
new file mode 100644
index 000000000..aa34dbeb1
--- /dev/null
+++ b/app/wizard_demo/pkv/db/wt/wdb.h
@@ -0,0 +1,53 @@
+//
+// Created by shuxin 　　zheng on 2023/7/27.
+//
+
+#pragma once
+
+#include "db/db.h"
+
+#ifdef HAS_WT
+
+typedef struct __wt_connection WT_CONNECTION;
+
+namespace pkv {
+
+class wt_sess;
+
+class wdb : public db {
+public:
+    explicit wdb(size_t cache_max = 10000);
+    ~wdb() override;
+
+protected:
+    // @override
+    bool open(const char* path) override;
+
+    // @override
+    bool set(const std::string& key, const std::string& value) override;
+
+    // @override
+    bool get(const std::string& key, std::string& value) override;
+
+    // @override
+    bool del(const std::string& key) override;
+
+public:
+    WT_CONNECTION* get_db() const {
+        return db_;
+    }
+
+private:
+    std::string path_;
+    WT_CONNECTION *db_;
+
+    std::vector<wt_sess*> sessions_;
+    size_t cache_max_;
+
+    wt_sess* get_session();
+    void put_session(wt_sess* sess);
+};
+
+} // namespace pkv
+
+#endif // HAS_WT
\ No newline at end of file
diff --git a/app/wizard_demo/pkv/db/wt/wt_sess.cpp b/app/wizard_demo/pkv/db/wt/wt_sess.cpp
new file mode 100644
index 000000000..c09ad443f
--- /dev/null
+++ b/app/wizard_demo/pkv/db/wt/wt_sess.cpp
@@ -0,0 +1,88 @@
+//
+// Created by shuxin 　　zheng on 2023/7/27.
+//
+
+#include "stdafx.h"
+#include "wdb.h"
+#include "wt_sess.h"
+
+namespace pkv {
+
+wt_sess::wt_sess(wdb &db) : db_(db), sess_(nullptr), curs_(nullptr) {}
+
+wt_sess::~wt_sess() = default;
+
+bool wt_sess::open() {
+    int ret = db_.get_db()->open_session(db_.get_db(), nullptr, nullptr, &sess_);
+    if (ret != 0) {
+        logger_error("open session error %d", ret);
+        return false;
+    }
+
+    ret = sess_->create(sess_, "table:access", "key_format=S, value_format=S");
+    if (ret != 0) {
+        logger_error("create session error %d", ret);
+        return false;
+    }
+
+    ret = sess_->open_cursor(sess_, "table:access", nullptr, nullptr, &curs_);
+    if (ret != 0) {
+        logger_error("open cursor error %d", ret);
+        return false;
+    }
+
+    return true;
+}
+
+bool wt_sess::add(const std::string &key, const std::string &value) {
+    assert(curs_);
+    curs_->set_key(curs_, key.c_str());
+    curs_->set_value(curs_, value.c_str());
+    int ret = curs_->insert(curs_);
+    if (ret != 0) {
+        logger_error("insert %s %s error=%d", key.c_str(), value.c_str(), ret);
+        curs_->reset(curs_);
+        return false;
+    }
+    curs_->reset(curs_);
+    return true;
+}
+
+bool wt_sess::get(const std::string &key, std::string &value) {
+    assert(curs_);
+    curs_->set_key(curs_, key.c_str());
+    int ret = curs_->search(curs_);
+    if (ret != 0) {
+        logger("search key=%s error=%d", key.c_str(), ret);
+        curs_->reset(curs_);
+        return false;
+    }
+
+    const char* v;
+    ret = curs_->get_value(curs_, &v);
+    if (ret != 0) {
+        logger_error("get_value key=%s errort=%d", key.c_str(), ret);
+        curs_->reset(curs_);
+        return false;
+    }
+
+    value = v;
+    curs_->reset(curs_);
+    return true;
+}
+
+bool wt_sess::del(const std::string &key) {
+    assert(curs_);
+    curs_->set_key(curs_, key.c_str());
+    int ret = curs_->remove(curs_);
+    if (ret != 0 && ret != WT_NOTFOUND) {
+        logger_error("remove key=%s error=%d", key.c_str(), ret);
+        curs_->reset(curs_);
+        return false;
+    }
+
+    curs_->reset(curs_);
+    return true;
+}
+
+} // namespace pkv
\ No newline at end of file
diff --git a/app/wizard_demo/pkv/db/wt/wt_sess.h b/app/wizard_demo/pkv/db/wt/wt_sess.h
new file mode 100644
index 000000000..193fbfd55
--- /dev/null
+++ b/app/wizard_demo/pkv/db/wt/wt_sess.h
@@ -0,0 +1,33 @@
+//
+// Created by shuxin 　　zheng on 2023/7/27.
+//
+
+#pragma once
+
+#include <wiredtiger.h>
+
+namespace pkv {
+
+class wdb;
+
+class wt_sess {
+public:
+    explicit wt_sess(wdb& db);
+    ~wt_sess();
+
+    bool open();
+
+    bool add(const std::string& key, const std::string& value);
+
+    bool get(const std::string& key, std::string& value);
+
+    bool del(const std::string& key);
+
+private:
+    wdb& db_;
+
+    WT_SESSION *sess_;
+    WT_CURSOR  *curs_;
+};
+
+} // namespace pkv
diff --git a/app/wizard_demo/pkv/master_service.cpp b/app/wizard_demo/pkv/master_service.cpp
index f50f93a7c..cb2ce074f 100644
--- a/app/wizard_demo/pkv/master_service.cpp
+++ b/app/wizard_demo/pkv/master_service.cpp
@@ -4,27 +4,31 @@
 #include "master_service.h"
 
 static char *var_cfg_dbpath;
+static char *var_cfg_dbtype;
 
 acl::master_str_tbl var_conf_str_tab[] = {
-    { "dbpath",		"./dbpath",	&var_cfg_dbpath		},
+    { "dbpath",     "./dbpath",     &var_cfg_dbpath },
+    { "dbtype",     "rdb",          &var_cfg_dbtype },
 
-    { 0, 0, 0 }
+    { 0,    0,  0   }
 };
 
-static int  var_cfg_debug_enable;
+int var_cfg_disable_serialize;
+int var_cfg_disable_save;
 
 acl::master_bool_tbl var_conf_bool_tab[] = {
-    { "debug_enable",	1,		&var_cfg_debug_enable	},
+    { "disable_serialize", 0, &var_cfg_disable_serialize },
+    { "disable_save", 0, &var_cfg_disable_save },
 
-    { 0, 0, 0 }
+    { 0,    0,  0   }
 };
 
 static int  var_cfg_io_timeout;
 static int  var_cfg_buf_size;
 
 acl::master_int_tbl var_conf_int_tab[] = {
-    { "io_timeout",		120,		&var_cfg_io_timeout, 0, 0 },
-    { "buf_size",               8192,           &var_cfg_buf_size,   0, 0 },
+    { "io_timeout",     120,    &var_cfg_io_timeout,    0,  0   },
+    { "buf_size",       8192,   &var_cfg_buf_size,  0,  0 },
 
     { 0, 0 , 0 , 0, 0 }
 };
@@ -88,9 +92,21 @@ void master_service::proc_on_listen(acl::server_socket& ss) {
 
 void master_service::proc_on_init() {
     logger(">>>proc_on_init<<<");
-    db_ = db::create_rdb();
-    if (!db_->open(var_cfg_dbpath)) {
-        logger_error("open db(%s) error %s", var_cfg_dbpath, acl::last_serror());
+    if (strcasecmp(var_cfg_dbtype, "rdb") == 0) {
+        db_ = db::create_rdb();
+        if (!db_->open(var_cfg_dbpath)) {
+            logger_error("open db(%s) error %s", var_cfg_dbpath,
+                         acl::last_serror());
+            exit(1);
+        }
+    } else if (strcasecmp(var_cfg_dbtype, "wdb") == 0) {
+        db_ = db::create_wdb();
+        if (!db_->open(var_cfg_dbpath)) {
+            logger_error("open db(%s) error", var_cfg_dbpath);
+            exit(1);
+        }
+    } else {
+        logger_error("unknown dbtype=%s", var_cfg_dbtype);
         exit(1);
     }
 }
diff --git a/app/wizard_demo/pkv/pkv.cf b/app/wizard_demo/pkv/pkv.cf
index 2eb0d4a1a..39c0317fe 100644
--- a/app/wizard_demo/pkv/pkv.cf
+++ b/app/wizard_demo/pkv/pkv.cf
@@ -9,7 +9,7 @@ service pkv
 #	for master_type = unix
 #	master_service = echo.sock
 #	for master_type = sock
-	master_service = 127.0.0.1|5001
+	master_service = 127.0.0.1|19001
 
 #	�����∞�����筝阪��絅��･���
 #	master_service = aio_echo.sock
@@ -123,26 +123,7 @@ service pkv
 ############################################################################
 #	綺�������綏援�����臀����蕁�
 
-#	mysql �����≦�医��
-#	mysql_dbaddr = /tmp/mysql.sock
-#	mysql_dbaddr = 10.0.250.199:3306
-#	菴��･ mysql ��井��綺����菴��･羆�������紊у��
-#	mysql_dbmax  = 200
-#	ping mysql 菴��･�����顔����狗��, 篁ョ��筝阪��篏�
-#	mysql_dbping = 10
-#	mysql 菴��･腥咲�牙����狗�顔�顔��, 篁ョ��筝阪��篏�
-#	mysql_dbtimeout = 30
-
-#	��井��綺����腱�
-#	mysql_dbname = fiber_db
-#	��井��綺�莅翠��������
-#	mysql_dbuser = fiber_user
-#	��井��綺������決�翠��絲����
-#	mysql_dbpass = 111111
-
-#	������莨���阪��������絖������倶��篆≧��
-#	debug_mem = 1
-#	���������筝�筝�膾睡��筝�菴��･莚�
-#	loop_read = 1
 	buf_size = 8192
+	dbpath = ./data
+	dbtype = wdb
 }
diff --git a/app/wizard_demo/pkv/proto/c++_patch.h b/app/wizard_demo/pkv/proto/c++_patch.h
new file mode 100644
index 000000000..dde852ef2
--- /dev/null
+++ b/app/wizard_demo/pkv/proto/c++_patch.h
@@ -0,0 +1,11 @@
+//
+// Created by shuxin ������zheng on 2023/7/27
+//
+
+#pragma once
+
+#if __cplusplus >=  201703L
+# define NODISCARD    [[nodiscard]]
+#else
+# define NODISCARD
+#endif
diff --git a/app/wizard_demo/pkv/proto/redis_coder.h b/app/wizard_demo/pkv/proto/redis_coder.h
index ed3204c7b..a81fb42bd 100644
--- a/app/wizard_demo/pkv/proto/redis_coder.h
+++ b/app/wizard_demo/pkv/proto/redis_coder.h
@@ -5,29 +5,30 @@
 #pragma once
 
 #include <vector>
+#include "c++_patch.h"
 #include "redis_object.h"
 
 namespace pkv {
 
 class redis_coder {
 public:
-    redis_coder(size_t cache_max = 10000);
+    explicit redis_coder(size_t cache_max = 10000);
     ~redis_coder();
 
     const char* update(const char* data, size_t& len);
 
-    [[nodiscard]] const std::vector<redis_object*>& get_objects() const {
+    NODISCARD const std::vector<redis_object*>& get_objects() const {
         return objs_;
     }
 
-    [[nodiscard]] redis_object* get_curr() const {
+    NODISCARD redis_object* get_curr() const {
         return curr_;
     }
 
     void clear();
 
 public:
-    [[nodiscard]] redis_object& create_object();
+    NODISCARD redis_object& create_object();
 
     bool to_string(std::string& out) const;
 
diff --git a/app/wizard_demo/pkv/proto/redis_object.h b/app/wizard_demo/pkv/proto/redis_object.h
index 41b0ee8c3..e2442f4b9 100644
--- a/app/wizard_demo/pkv/proto/redis_object.h
+++ b/app/wizard_demo/pkv/proto/redis_object.h
@@ -6,16 +6,13 @@
 
 #include <string>
 #include <vector>
+#include "c++_patch.h"
 #include "redis_type.h"
 
 namespace pkv {
 
-class redis_object;
-using shared_redis = std::shared_ptr<redis_object>;
-
 typedef enum {
 	REDIS_OBJ_UNKOWN,
-	REDIS_OBJ_NIL,
 	REDIS_OBJ_ERROR,
 	REDIS_OBJ_STATUS,
 	REDIS_OBJ_INTEGER,
@@ -37,27 +34,27 @@ public:
 public:
     const char* update(const char* data, size_t& len);
 
-    [[nodiscard]] bool finish() const {
+    NODISCARD bool finish() const {
         return status_ == redis_s_finish;
     }
 
-    [[nodiscard]] bool failed() const {
+    NODISCARD bool failed() const {
         return status_ == redis_s_null;
     }
 
-    [[nodiscard]] int get_status() const {
+    NODISCARD int get_status() const {
         return status_;
     }
 
-    [[nodiscard]] redis_obj_t get_type() const {
+    NODISCARD redis_obj_t get_type() const {
         return type_;
     }
 
-    [[nodiscard]] const char* get_cmd() const;
+    NODISCARD const char* get_cmd() const;
 
-    [[nodiscard]] const char* get_str() const;
+    NODISCARD const char* get_str() const;
 
-    [[nodiscard]] const std::vector<redis_object*>& get_objects() const {
+    NODISCARD const std::vector<redis_object*>& get_objects() const {
         return objs_;
     }
 
@@ -85,7 +82,7 @@ private:
     std::vector<redis_object*> objs_;
 
 private:
-    const char* get_line(const char*, size_t&, std::string&, bool&);
+    static const char* get_line(const char*, size_t&, std::string&, bool&);
     const char* get_length(const char*, size_t&, int&, bool&);
     const char* get_data(const char*, size_t&, size_t);
 
diff --git a/app/wizard_demo/pkv/stdafx.h b/app/wizard_demo/pkv/stdafx.h
index fc909499c..4ae84592c 100644
--- a/app/wizard_demo/pkv/stdafx.h
+++ b/app/wizard_demo/pkv/stdafx.h
@@ -60,6 +60,10 @@
 #endif // !_WIN32 && !_WIN64
 
 extern acl::master_str_tbl var_conf_str_tab[];
+
+extern int var_cfg_disable_serialize;
+extern int var_cfg_disable_save;
 extern acl::master_bool_tbl var_conf_bool_tab[];
+
 extern acl::master_int_tbl var_conf_int_tab[];
 extern acl::master_int64_tbl var_conf_int64_tab[];
diff --git a/lib_acl_cpp/samples/benchmark/wiredtiger/Makefile.in b/lib_acl_cpp/samples/benchmark/wiredtiger/Makefile.in
index f6d0243d0..bc713be3b 100644
--- a/lib_acl_cpp/samples/benchmark/wiredtiger/Makefile.in
+++ b/lib_acl_cpp/samples/benchmark/wiredtiger/Makefile.in
@@ -9,7 +9,7 @@ CFLAGS = -c -g -W -Wall -Wcast-qual -Wcast-align \
 ###########################################################
 #Check system:
 #       Linux, SunOS, Solaris, BSD variants, AIX, HP-UX
-SYSLIB = -lpthread -lcrypt
+SYSLIB = -lpthread
 CHECKSYSRES = @echo "Unknow system type!";exit 1
 UNIXNAME = $(shell uname -sm)
 
@@ -67,7 +67,8 @@ CFLAGS += -I. -I../.. -I../../../include -I../../../../lib_acl/include -I../../.
 EXTLIBS =
 CFLAGS += -I/home/zsx/download/db/wiredtiger/github
 #EXTLIBS = -L/home/zsx/download/db/wiredtiger/github/.libs -lwiredtiger -Wl,-rpath=/home/zsx/download/db/wiredtiger/github/.libs
-EXTLIBS = /usr/local/lib/libwiredtiger.a
+#EXTLIBS = /usr/local/lib/libwiredtiger.a
+EXTLIBS = -lwiredtiger
 SYSLIB += -ldl
 LDFLAGS = -L../../../lib -l_acl_cpp -L../../../../lib_protocol/lib -l_protocol -L../../../../lib_acl/lib -l_acl \
 	$(EXTLIBS) $(SYSLIB)
diff --git a/lib_acl_cpp/samples/benchmark/wiredtiger/main.cpp b/lib_acl_cpp/samples/benchmark/wiredtiger/main.cpp
index 63baccb0f..b2968f3c4 100644
--- a/lib_acl_cpp/samples/benchmark/wiredtiger/main.cpp
+++ b/lib_acl_cpp/samples/benchmark/wiredtiger/main.cpp
@@ -50,7 +50,7 @@ public:
 	~wdb_sess(void) {}
 
 	bool open(void) {
-		bool ret = db_.get_conn()->open_session(db_.get_conn(),
+		int ret = db_.get_conn()->open_session(db_.get_conn(),
 				NULL, NULL, &session_);
 		if (ret != 0) {
 			printf("open session failed, ret=%d\r\n", ret);
diff --git a/lib_acl_cpp/samples/redis/redis_pipeline2/redis_pipeline.cpp b/lib_acl_cpp/samples/redis/redis_pipeline2/redis_pipeline.cpp
index 3edafb123..7650521c4 100644
--- a/lib_acl_cpp/samples/redis/redis_pipeline2/redis_pipeline.cpp
+++ b/lib_acl_cpp/samples/redis/redis_pipeline2/redis_pipeline.cpp
@@ -2,20 +2,34 @@
 #include "util.h"
 
 static int __threads_exit = 0;
+static acl::string __cmd("del");
+static acl::atomic_long __count;
 
 class redis_command {
 public:
-	redis_command(acl::redis_client_pipeline& pipeline, const char* key)
-	: key_(key)
+	redis_command(acl::redis_client_pipeline& pipeline)
+	: cmd_(&pipeline)  // Must set pipeline before calling cmd_.get_pipeline_message()
 	, msg_(cmd_.get_pipeline_message())
 	{
 		cmd_.set_pipeline(&pipeline);
-		argc_ = 2;
-		argv_[0] = "del";
-		argv_[1] = key_;
+		msg_.set_option(cmd_.get_dbuf(), 1, NULL);
+
+		long long id = __count.fetch_add(1);
+		acl::string key;
+		key.format("key-%lld", id);
+		argv_[0] = __cmd.c_str();
+		argv_[1] = key;
 		lens_[0] = strlen(argv_[0]);
 		lens_[1] = strlen(argv_[1]);
 
+		if (__cmd == "set") {
+			argc_ = 3;
+			argv_[2] = "value";
+			lens_[2] = strlen(argv_[2]);
+		} else {
+			argc_ = 2;
+		}
+
 		// computer the hash slot for redis cluster node
 		cmd_.hash_slot(argv_[1]);
 
@@ -36,18 +50,18 @@ public:
 	}
 
 private:
-	acl::string key_;
 	acl::redis  cmd_;
 	acl::redis_pipeline_message& msg_;
 	size_t argc_;
-	const char* argv_[2];
-	size_t lens_[2];
+	const char* argv_[4];
+	size_t lens_[4];
 
 };
 
 class test_thread : public acl::thread {
 public:
-	test_thread(acl::locker& locker, acl::redis_client_pipeline& pipeline,
+	test_thread(acl::locker& locker,
+		acl::redis_client_pipeline& pipeline,
 		int once_count, int count)
 	: locker_(locker)
 	, pipeline_(pipeline)
@@ -61,30 +75,31 @@ public:
 protected:
 	// @override
 	void* run(void) {
-		acl::string key;
+		for (size_t i = 0; i < (size_t) count_; i++) {
+			run_once();
+		}
+
+		locker_.lock();
+		__threads_exit++;
+		locker_.unlock();
+		return NULL;
+	}
+
+	void run_once(void) {
 		// parepare for a lot of redis commands in one request
 		std::vector<redis_command*> commands;
 		for (size_t i = 0; i < (size_t) once_count_; i++) {
-			key.format("test-key-%d", (int) i);
-			redis_command* command = new redis_command(pipeline_, key);
+			redis_command* command = new redis_command(pipeline_);
 			commands.push_back(command);
 		}
 
-		for (size_t i = 0; i < (size_t) count_; i++) {
-			request(commands);
-		}
+		request(commands);
 
 		// free all requests commands
 		for (std::vector<redis_command*>::iterator it = commands.begin();
 			    it != commands.end(); ++it) {
 			delete *it;
 		}
-
-		locker_.lock();
-		__threads_exit++;
-		locker_.unlock();
-
-		return NULL;
 	}
 
 private:
@@ -136,7 +151,6 @@ int main(int argc, char* argv[]) {
 	int  ch, count = 10, once_count = 10;
 	int  max_threads = 10;
 	acl::string addr("127.0.0.1:6379"), passwd;
-	acl::string cmd("del");
 
 	while ((ch = getopt(argc, argv, "ha:s:N:n:t:p:")) > 0) {
 		switch (ch) {
@@ -144,7 +158,7 @@ int main(int argc, char* argv[]) {
 			usage(argv[0]);
 			return 0;
 		case 'a':
-			cmd = optarg;
+			__cmd = optarg;
 			break;
 		case 's':
 			addr = optarg;
@@ -214,7 +228,7 @@ int main(int argc, char* argv[]) {
 
 	long long int total = max_threads * once_count * count;
 	double inter = util::stamp_sub(&end, &begin);
-	printf("total %s: %lld, spent: %0.2f ms, speed: %0.2f\r\n", cmd.c_str(),
+	printf("total %s: %lld, spent: %0.2f ms, speed: %0.2f\r\n", __cmd.c_str(),
 		total, inter, (total * 1000) /(inter > 0 ? inter : 1));
 
 	pipeline.stop_thread();
diff --git a/lib_fiber/samples/redis_pipeline/redis_pipeline.cpp b/lib_fiber/samples/redis_pipeline/redis_pipeline.cpp
index 568a9b482..10bba3a4e 100644
--- a/lib_fiber/samples/redis_pipeline/redis_pipeline.cpp
+++ b/lib_fiber/samples/redis_pipeline/redis_pipeline.cpp
@@ -12,7 +12,7 @@ static bool test_del(acl::redis_key& cmd, size_t tid, size_t fid, int i)
 		printf("del key: %s error: %s\r\n",
 			key.c_str(), cmd.result_error());
 		return false;
-	} else if (i < 10) {
+	} else if (i < 1) {
 		printf("del ok, key: %s\r\n", key.c_str());
 	}
 	return true;
@@ -27,7 +27,7 @@ static bool test_expire(acl::redis_key& cmd, size_t tid, size_t fid, int i)
 		printf("expire key: %s error: %s\r\n",
 			key.c_str(), cmd.result_error());
 		return false;
-	} else if (i < 10) {
+	} else if (i < 1) {
 		printf("expire ok, key: %s\r\n", key.c_str());
 	}
 
@@ -44,7 +44,7 @@ static bool test_ttl(acl::redis_key& cmd, size_t tid, size_t fid, int i)
 		printf("get ttl key: %s error: %s\r\n",
 			key.c_str(), cmd.result_error());
 		return false;
-	} else if (i < 10) {
+	} else if (i < 1) {
 		printf("ttl ok, key: %s, ttl: %d\r\n", key.c_str(), ttl);
 	}
 	return true;
@@ -56,11 +56,11 @@ static bool test_exists(acl::redis_key& cmd, size_t tid, size_t fid, int i)
 
 	key.format("%s_%zd_%zd_%d", __keypre.c_str(), tid, fid, i);
 	if (!cmd.exists(key.c_str())) {
-		if (i < 10) {
+		if (i < 1) {
 			printf("no exists key: %s\r\n", key.c_str());
 		}
 	} else {
-		if (i < 10) {
+		if (i < 1) {
 			printf("exists key: %s\r\n", key.c_str());
 		}
 	}
@@ -76,7 +76,7 @@ static bool test_type(acl::redis_key& cmd, size_t tid, size_t fid, int i)
 	if (ret == acl::REDIS_KEY_NONE) {
 		printf("unknown type key: %s\r\n", key.c_str());
 		return false;
-	} else if (i < 10) {
+	} else if (i < 1) {
 		printf("type ok, key: %s, ret: %d\r\n", key.c_str(), ret);
 	}
 	return true;
@@ -92,7 +92,7 @@ static bool test_set(acl::redis_string& cmd, size_t tid, size_t fid, int i)
 
 	bool ret = cmd.set(key.c_str(), value.c_str());
 	return ret;
-	if (i < 10) {
+	if (i < 1) {
 		printf("set key: %s, value: %s %s\r\n", key.c_str(),
 			value.c_str(), ret ? "ok" : "error");
 	}
@@ -107,7 +107,7 @@ static bool test_get(acl::redis_string& cmd, size_t tid, size_t fid, int i)
 	acl::string value;
 
 	bool ret = cmd.get(key.c_str(), value);
-	if (i < 10) {
+	if (i < 1) {
 		printf("get key: %s, value: %s %s, len: %d\r\n",
 			key.c_str(), value.c_str(), ret ? "ok" : "error",
 			(int) value.length());
@@ -152,7 +152,7 @@ static bool test_hmget(acl::redis_hash& cmd, size_t tid, size_t fid, int i)
 		return false;
 	}
 
-	if (i < 10) {
+	if (i < 1) {
 		printf("key=%s:", key.c_str());
 		assert(names.size() == values.size());
 		size_t n = names.size();