diff --git a/lib_fiber/cpp/include/fiber/go_fiber.hpp b/lib_fiber/cpp/include/fiber/go_fiber.hpp
index 3704e445b..822101d69 100644
--- a/lib_fiber/cpp/include/fiber/go_fiber.hpp
+++ b/lib_fiber/cpp/include/fiber/go_fiber.hpp
@@ -12,7 +12,7 @@
 //    201703L (C++17)
 //    202002L (C++20)
 
-#if __cplusplus >= 201103L      // Support c++11 ?
+#if defined(USE_CPP11) || __cplusplus >= 201103L      // Support c++11 ?
 
 struct ACL_FIBER;
 
diff --git a/lib_fiber/samples-c/test/Makefile_cpp.in b/lib_fiber/samples-c/test/Makefile_cpp.in
new file mode 100644
index 000000000..97ec08157
--- /dev/null
+++ b/lib_fiber/samples-c/test/Makefile_cpp.in
@@ -0,0 +1,137 @@
+CC = $(ENV_CC)
+
+CFLAGS = -c -g -W \
+-Wall \
+-Wcast-qual \
+-Wcast-align \
+-Wno-long-long \
+-Wpointer-arith \
+-Werror \
+-Wshadow \
+-D_REENTRANT \
+-D_POSIX_PTHREAD_SEMANTICS
+
+###########################################################
+#Check system:
+#       Linux, SunOS, Solaris, BSD variants, AIX, HP-UX
+SYSLIB = -lpthread -ldl
+CHECKSYSRES = @echo "Unknow system type!";exit 1
+UNIXNAME = $(shell uname -sm)
+
+ifeq ($(CC),)
+        CC = g++
+endif
+
+ifeq ($(findstring clang++, $(CC)), clang++)
+	CFLAGS += -Wno-invalid-source-encoding \
+		  -Wno-invalid-offsetof
+endif
+
+# For FreeBSD
+ifeq ($(findstring FreeBSD, $(UNIXNAME)), FreeBSD)
+	CFLAGS += -DFREEBSD
+	SYSLIB += -lcrypt -rdynamic
+endif
+
+# For Darwin
+ifeq ($(findstring Darwin, $(UNIXNAME)), Darwin)
+#	CC += -arch x86_64 -arch arm64
+	CFLAGS += -DMACOSX -Wno-invalid-source-encoding \
+		  -Wno-invalid-offsetof
+	SYSLIB += -rdynamic
+	UNIXTYPE = MACOSX
+endif
+
+#Path for Linux
+ifeq ($(findstring Linux, $(UNIXNAME)), Linux)
+	CFLAGS += -DLINUX2
+	SYSLIB += -lcrypt -rdynamic
+endif
+
+# For MINGW
+ifeq ($(findstring MINGW, $(UNIXNAME)), MINGW)
+	SYSLIB  = -lpthread-2 -rdynamic
+	CFLAGS += -DLINUX2 -DMINGW
+	UNIXTYPE = LINUX
+endif
+
+#Path for SunOS
+ifeq ($(findstring SunOS, $(UNIXNAME)), SunOS)
+	ifeq ($(findstring 86, $(UNIXNAME)), 86)
+		SYSLIB += -lsocket -lnsl -lrt
+	endif
+	ifeq ($(findstring sun4u, $(UNIXNAME)), sun4u)
+		SYSLIB += -lsocket -lnsl -lrt
+	endif
+	CFLAGS += -DSUNOS5
+	SYSLIB += -lcrypt -rdynamic
+endif
+
+#Path for HP-UX
+ifeq ($(findstring HP-UX, $(UNIXNAME)), HP-UX)
+	PLAT_NAME=hp-ux
+	CFLAGS += -DHP_UX -DHPUX11
+	SYSLIB += -lcrypt -rdynamic
+endif
+
+#Find system type.
+ifneq ($(SYSPATH),)
+	CHECKSYSRES = @echo "System is $(shell uname -sm)"
+endif
+###########################################################
+
+ACL_PATH   = ../../../../lib_acl
+ACL_INC    = $(ACL_PATH)/include
+ACL_LIB    = $(ACL_PATH)/lib
+ACL_CPP_PATH = ../../../../lib_acl_cpp
+ACL_CPP_INC  = $(ACL_CPP_PATH)/include
+ACL_CPP_LIB  = $(ACL_CPP_PATH)/lib
+
+PRO_PATH   = ../../../../lib_protocol
+PRO_INC    = $(PRO_PATH)/include
+PRO_LIB    = $(PRO_PATH)/lib
+
+FIBER_PATH = ../../../../lib_fiber
+FIBER_INC  = $(FIBER_PATH)/c/include
+FIBER_LIB  = $(FIBER_PATH)/lib
+
+EXTLIBS =
+CFLAGS += -I.. -I$(PRO_INC) -I$(ACL_INC) -I$(FIBER_INC) -I$(FIBER_PATH)/cpp/include -I$(ACL_CPP_INC)
+LDFLAGS = -L$(FIBER_LIB) -lfiber_cpp \
+	  -L$(ACL_CPP_LIB) -lacl_cpp \
+	  -L$(PRO_LIB) -l_protocol \
+	  -L$(ACL_LIB) -l_acl \
+	  -L$(FIBER_LIB) -lfiber \
+	  $(EXTLIBS) $(SYSLIB)
+
+###########################################################
+
+OUT_PATH = .
+OBJ_PATH = $(OUT_PATH)
+
+#Project's objs
+SRC = $(wildcard *.cpp)
+OBJ = $(patsubst %.cpp, $(OBJ_PATH)/%.o, $(notdir $(SRC)))
+###########################################################
+
+.PHONY = all clean
+PROG =
+
+COMPILE = $(CC) $(CFLAGS)
+
+#-Wl,-rpath,$(ACL_LIB) -Wl,-rpath,$(PROTO_LIB) -o $(OBJ_PATH)/$(PROG)
+all: RM $(OBJ)
+	$(CC) $(OBJ) $(LDFLAGS) -o $(OBJ_PATH)/$(PROG)
+	@echo ""
+	@echo "All ok! Output:$(PROG)"
+	@echo ""
+$(OBJ_PATH)/%.o: %.cpp
+	$(COMPILE) $< -o $@
+RM:
+	rm -f $(PROG)
+clean cl:
+	rm -f $(PROG)
+	rm -f $(OBJ)
+
+rebuild rb: clean all
+###########################################################
diff --git a/lib_fiber/samples-c/test/fiber1/main.c b/lib_fiber/samples-c/test/fiber1/main.c
index 03f35998f..21f46dfa0 100644
--- a/lib_fiber/samples-c/test/fiber1/main.c
+++ b/lib_fiber/samples-c/test/fiber1/main.c
@@ -24,7 +24,7 @@ static void fiber_main(ACL_FIBER *fiber, void *ctx acl_unused)
 
 int main(void)
 {
-	int   ch, i;
+	int   i;
 
 	/* 创建协程 */
 	for (i = 0; i < __max_fiber; i++)
diff --git a/lib_fiber/samples-c/test/fiber1/makefile b/lib_fiber/samples-c/test/fiber1/makefile
index 0729407e4..abef54044 100644
--- a/lib_fiber/samples-c/test/fiber1/makefile
+++ b/lib_fiber/samples-c/test/fiber1/makefile
@@ -1,7 +1,2 @@
-fiber: main.o
-	gcc -o fiber main.o -L../../../lib -l_fiber -L../../../../lib_acl/lib -l_acl -lpthread -ldl
-main.o: main.c
-	gcc -O3 -c main.c -DLINUX2 -I.. -I../../../c/include -I../../../../lib_acl/include
-
-clean:
-	rm -f fiber main.o
+include ../Makefile.in
+PROG = fiber
diff --git a/lib_fiber/samples-c/test/fiber2/makefile b/lib_fiber/samples-c/test/fiber2/makefile
index d9d85f1ca..c5831c38b 100644
--- a/lib_fiber/samples-c/test/fiber2/makefile
+++ b/lib_fiber/samples-c/test/fiber2/makefile
@@ -1,11 +1,2 @@
-fiber: main.o
-	g++ -o fiber main.o -L../../../lib -l_fiber_cpp -l_fiber \
-		-L../../../../lib_acl_cpp/lib -l_acl_cpp \
-		-L../../../../lib_acl/lib -l_acl \
-		-lpthread -ldl
-main.o: main.cpp
-	g++ -O3 -Wall -c main.cpp -DLINUX2 -I.. -I../../../cpp/include \
-		-I../../../../lib_acl_cpp/include
-
-clean:
-	rm -f fiber main.o
+include ../Makefile_cpp.in
+PROG = fiber
diff --git a/lib_fiber/samples-c/test/fiber3/main.cpp b/lib_fiber/samples-c/test/fiber3/main.cpp
index 701a9d256..93ca6af7b 100644
--- a/lib_fiber/samples-c/test/fiber3/main.cpp
+++ b/lib_fiber/samples-c/test/fiber3/main.cpp
@@ -2,6 +2,7 @@
 #include <iostream>
 #include "acl_cpp/lib_acl.hpp"
 #include "fiber/lib_fiber.hpp"
+#include "fiber/go_fiber.hpp"
 
 static void fiber_main(int max_loop)
 {
diff --git a/lib_fiber/samples-c/test/fiber3/makefile b/lib_fiber/samples-c/test/fiber3/makefile
index 248d6c421..d1fe16358 100644
--- a/lib_fiber/samples-c/test/fiber3/makefile
+++ b/lib_fiber/samples-c/test/fiber3/makefile
@@ -1,11 +1,3 @@
-fiber: main.o
-	g++ -o fiber main.o -L../../../lib -l_fiber_cpp -l_fiber \
-		-L../../../../lib_acl_cpp/lib -l_acl_cpp \
-		-L../../../../lib_acl/lib -l_acl \
-		-lpthread -ldl
-main.o: main.cpp
-	g++ -std=c++11 -O3 -Wall -c main.cpp -DLINUX2 -I.. -I../../../cpp/include \
-		-I../../../../lib_acl_cpp/include
-
-clean:
-	rm -f fiber main.o
+include ../Makefile_cpp.in
+CFLAGS += -std=c++11
+PROG = fiber
diff --git a/lib_fiber/samples-c/test/fiber4/makefile b/lib_fiber/samples-c/test/fiber4/makefile
index d9d85f1ca..c5831c38b 100644
--- a/lib_fiber/samples-c/test/fiber4/makefile
+++ b/lib_fiber/samples-c/test/fiber4/makefile
@@ -1,11 +1,2 @@
-fiber: main.o
-	g++ -o fiber main.o -L../../../lib -l_fiber_cpp -l_fiber \
-		-L../../../../lib_acl_cpp/lib -l_acl_cpp \
-		-L../../../../lib_acl/lib -l_acl \
-		-lpthread -ldl
-main.o: main.cpp
-	g++ -O3 -Wall -c main.cpp -DLINUX2 -I.. -I../../../cpp/include \
-		-I../../../../lib_acl_cpp/include
-
-clean:
-	rm -f fiber main.o
+include ../Makefile_cpp.in
+PROG = fiber
diff --git a/lib_fiber/samples-c/test/fiber5/Makefile b/lib_fiber/samples-c/test/fiber5/Makefile
new file mode 100644
index 000000000..abef54044
--- /dev/null
+++ b/lib_fiber/samples-c/test/fiber5/Makefile
@@ -0,0 +1,2 @@
+include ../Makefile.in
+PROG = fiber
diff --git a/lib_fiber/samples-c/test/fiber5/main.c b/lib_fiber/samples-c/test/fiber5/main.c
new file mode 100644
index 000000000..9e562fd0e
--- /dev/null
+++ b/lib_fiber/samples-c/test/fiber5/main.c
@@ -0,0 +1,23 @@
+#include "lib_acl.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include "fiber/lib_fiber.h"
+
+/* 协程处理入口函数 */
+static void fiber_main(ACL_FIBER *fiber acl_unused, void *ctx acl_unused)
+{
+	printf("---fiber is running---\r\n");
+	acl_fiber_delay(2000);
+	printf("---fiber is exiting---\r\n");
+}
+
+int main(void)
+{
+	acl_fiber_schedule_init(1);
+
+	printf("---begin create one fiber----\r\n");
+	acl_fiber_create(fiber_main, NULL, 64000);
+
+	printf("---- all fibers exit ----\r\n");
+	return 0;
+}
diff --git a/lib_fiber/samples-c/test/fiber5/valgrind.sh b/lib_fiber/samples-c/test/fiber5/valgrind.sh
new file mode 100644
index 000000000..696368204
--- /dev/null
+++ b/lib_fiber/samples-c/test/fiber5/valgrind.sh
@@ -0,0 +1,4 @@
+#!/bin/sh
+
+#valgrind --tool=memcheck --leak-check=yes --leak-check=full --show-reachable=yes --max-stackframe=3426305034400000 -v ./fiber -n 10 -m 20
+valgrind --tool=memcheck --leak-check=yes --leak-check=full --show-reachable=yes -v ./fiber -n 1 -m 2
diff --git a/lib_fiber/samples-gui/QtFiber/inputdialog.cpp b/lib_fiber/samples-gui/QtFiber/inputdialog.cpp
new file mode 100644
index 000000000..5dc057129
--- /dev/null
+++ b/lib_fiber/samples-gui/QtFiber/inputdialog.cpp
@@ -0,0 +1,24 @@
+#include "inputdialog.h"
+
+InputDialog::InputDialog(QWidget *parent) : QDialog(parent)
+{
+    setWindowTitle("input: ");
+    setGeometry(200, 200, 300, 200);
+
+    QVBoxLayout *layout = new QVBoxLayout(this);
+
+    lineEdit = new QLineEdit(this);
+    lineEdit->setPlaceholderText("输入内容...");
+    layout->addWidget(lineEdit);
+
+    button = new QPushButton("确定", this);
+    layout->addWidget(button);
+
+    connect(button, &QPushButton::clicked, this, &InputDialog::onAccept);
+}
+
+void InputDialog::onAccept()
+{
+    emit dialogAccepted(lineEdit->text());
+    accept();
+}
diff --git a/lib_fiber/samples-gui/QtFiber/inputdialog.h b/lib_fiber/samples-gui/QtFiber/inputdialog.h
new file mode 100644
index 000000000..37582911c
--- /dev/null
+++ b/lib_fiber/samples-gui/QtFiber/inputdialog.h
@@ -0,0 +1,27 @@
+#ifndef INPUTDIALOG_H
+#define INPUTDIALOG_H
+
+#include <QDialog>
+#include <QLineEdit>
+#include <QPushButton>
+#include <QVBoxLayout>
+
+class InputDialog : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit InputDialog(QWidget *parent = nullptr);
+
+signals:
+    void dialogAccepted(const QString &text);
+
+private slots:
+    void onAccept();
+
+private:
+    QLineEdit *lineEdit;
+    QPushButton *button;
+};
+
+#endif // INPUTDIALOG_H
diff --git a/lib_fiber/samples-gui/QtFiber/main.cpp b/lib_fiber/samples-gui/QtFiber/main.cpp
index 7a22c4c7d..93eee36a1 100644
--- a/lib_fiber/samples-gui/QtFiber/main.cpp
+++ b/lib_fiber/samples-gui/QtFiber/main.cpp
@@ -4,23 +4,26 @@
 #include <QApplication>
 #include <QTimer>
 
-class fiber_dummy : public acl::fiber {
+class fiber_backend : public acl::fiber {
 public:
-    fiber_dummy() {}
+    fiber_backend() {}
 
 protected:
     void run() override {
-        qDebug() << "fiber_dummy started!";
+        qDebug() << "fiber_backend started!";
+        while (true) {
+            acl::fiber::delay(1000);
+        }
         delete this;
     }
 
-    ~fiber_dummy() = default;
+    ~fiber_backend() = default;
 };
 
 static void startupCallback()
 {
     acl::fiber::init(acl::FIBER_EVENT_T_WMSG, true);
-    acl::fiber* fb = new fiber_dummy;
+    acl::fiber* fb = new fiber_backend;
     fb->start();
 }
 
diff --git a/lib_fiber/samples-gui/QtFiber/mainwindow.cpp b/lib_fiber/samples-gui/QtFiber/mainwindow.cpp
index 5a8affd99..905fe55e6 100644
--- a/lib_fiber/samples-gui/QtFiber/mainwindow.cpp
+++ b/lib_fiber/samples-gui/QtFiber/mainwindow.cpp
@@ -6,6 +6,7 @@
 #include "mainwindow.h"
 #include "./ui_mainwindow.h"
 #include "childwindows.h"
+#include "inputdialog.h"
 #include "fiber_server.h"
 #include "fiber_client.h"
 
@@ -21,20 +22,31 @@ MainWindow::MainWindow(QWidget *parent)
     connect(button_, &QPushButton::clicked, this, &MainWindow::onButtonClicked);
 
     start_server_ = new QPushButton("Start fiber server", this);
-    start_server_->setGeometry(QRect(QPoint(100, 200), QSize(300, 50)));
+    start_server_->setGeometry(QRect(QPoint(100, 150), QSize(300, 50)));
     connect(start_server_, &QPushButton::clicked, this, &MainWindow::onStartServer);
 
     start_client_ = new QPushButton("Start fiber client", this);
-    start_client_->setGeometry(QRect(QPoint(100, 300), QSize(300, 50)));
+    start_client_->setGeometry(QRect(QPoint(100, 200), QSize(300, 50)));
     connect(start_client_, &QPushButton::clicked, this, &MainWindow::onStartClient);
 
+    url_get_ = new QPushButton("Http download", this);
+    url_get_->setGeometry(QRect(QPoint(100, 250), QSize(300, 50)));
+    connect(url_get_, &QPushButton::clicked, this, &MainWindow::onUrlGet);
+
     stop_fiber_ = new QPushButton("Stop fiber schedule", this);
-    stop_fiber_->setGeometry(QRect(QPoint(100, 400), QSize(300, 50)));
+    stop_fiber_->setGeometry(QRect(QPoint(100, 300), QSize(300, 50)));
     connect(stop_fiber_, &QPushButton::clicked, this, &MainWindow::onStopSchedule);
 
     open_child_ = new QPushButton("Open Child Window", this);
-    open_child_->setGeometry(QRect(QPoint(100, 500), QSize(300, 50)));
+    open_child_->setGeometry(QRect(QPoint(100, 350), QSize(300, 50)));
     connect(open_child_, &QPushButton::clicked, this, &MainWindow::onOpenChildWindow);
+
+    input_button_= new QPushButton("Open dialog", this);
+    input_button_->setGeometry(100, 400, 300,50);
+    connect(input_button_, &QPushButton::clicked, this, &MainWindow::onInputClicked);
+
+    input_display_ = new QLabel("输入内容: ", this);
+    input_display_->setGeometry(100, 450, 200, 50);
 }
 
 MainWindow::~MainWindow()
@@ -60,9 +72,9 @@ void MainWindow::onStartServer()
     }
 
     server_ = new fiber_server("127.0.0.1", 9001, this);
-    qDebug() << "Start one fiber";
+    qDebug() << "Start fiber server";
     server_->start();
-    qDebug() << "Fiber started\r\n";
+    qDebug() << "Fiber server started";
 }
 
 void MainWindow::onStartClient()
@@ -73,6 +85,42 @@ void MainWindow::onStartClient()
     qDebug() << "Fiber client started!";
 }
 
+void MainWindow::onUrlGet()
+{
+    go[this] {
+        const char *addr = "www.baidu.com:80";
+        const char *host = "www.baidu.com";
+        acl::http_request req(addr);
+        req.request_header()
+                .set_url("/")
+                .set_host(host);
+        if (!req.request(nullptr, 0)) {
+            qDebug() << "Send http request to " << addr << " error: " << acl::last_serror();
+            return;
+        }
+
+        acl::string buf;
+        if (req.get_body(buf)) {
+            this->onDownloadFinish(true, req);
+        } else {
+            this->onDownloadFinish(false, req);
+        }
+    };
+}
+
+void MainWindow::onDownloadFinish(bool ok, const acl::http_request& req)
+{
+    if (ok) {
+        acl::http_client *client = req.get_client();
+        acl::string buf;
+        client->sprint_header(buf);
+        qDebug() << "Got response body ok!";
+        qDebug() << buf.c_str();
+    } else {
+        qDebug() << "Got response body error!";
+    }
+}
+
 void MainWindow::onStopSchedule()
 {
     if (server_) {
@@ -109,6 +157,23 @@ void MainWindow::onOpenChildWindow()
     qDebug() << "Second window isActiveWindow:" << child_window_->isActiveWindow();
 }
 
+void MainWindow::onInputClicked()
+{
+    InputDialog dialog(this);
+    QRect mainWindowGeometry = this->frameGeometry();
+    QPoint mainWindowPos = this->pos();
+    int x = mainWindowPos.x() + (mainWindowGeometry.width() - dialog.width()) / 2;
+    int y = mainWindowPos.y() + (mainWindowGeometry.height() - dialog.height()) / 2;
+    dialog.move(x, y);
+    connect(&dialog, &InputDialog::dialogAccepted, this, &MainWindow::onDialogAccepted);
+    dialog.exec();
+}
+
+void MainWindow::onDialogAccepted(const QString &text)
+{
+    input_display_->setText("输入内容: " + text);
+}
+
 void MainWindow::keyPressEvent(QKeyEvent *event)
 {
     if (event->modifiers() == Qt::ControlModifier) {
diff --git a/lib_fiber/samples-gui/QtFiber/mainwindow.h b/lib_fiber/samples-gui/QtFiber/mainwindow.h
index 568790a83..af9f4b500 100644
--- a/lib_fiber/samples-gui/QtFiber/mainwindow.h
+++ b/lib_fiber/samples-gui/QtFiber/mainwindow.h
@@ -5,6 +5,11 @@
 #include <QKeyEvent>
 #include <QPushButton>
 #include <QProcess.h>
+#include <QLabel>
+
+namespace acl {
+    class http_request;
+}
 
 class fiber_server;
 
@@ -30,10 +35,17 @@ protected:
     void onStartClient();
     void onStopSchedule();
     void onOpenChildWindow();
+    void onInputClicked();
+    void onUrlGet();
+
+    void onDialogAccepted(const QString &text);
 
 public:
     void onAboutToQuit();
 
+private:
+    void onDownloadFinish(bool ok, const acl::http_request& req);
+
 private:
     Ui::MainWindow *ui_;
     QPushButton    *button_;
@@ -41,6 +53,10 @@ private:
     QPushButton    *start_client_;
     QPushButton    *stop_fiber_;
     QPushButton    *open_child_;
+    QPushButton    *url_get_;
+    std::string     url_;
+    QPushButton    *input_button_;
+    QLabel         *input_display_;
 
     fiber_server   *server_ = nullptr;
     QProcess       *process_;
diff --git a/lib_fiber/samples-gui/QtFiber/stdafx.h b/lib_fiber/samples-gui/QtFiber/stdafx.h
index e5b94d3e1..ee639c3cf 100644
--- a/lib_fiber/samples-gui/QtFiber/stdafx.h
+++ b/lib_fiber/samples-gui/QtFiber/stdafx.h
@@ -5,7 +5,9 @@
 #include "acl_cpp/lib_acl.hpp"
 #include "fiber/libfiber.h"
 #include "fiber/libfiber.hpp"
-#include "fiber/fiber_tbox.hpp"
+
+#define  USE_CPP11
+#include "fiber/go_fiber.hpp"
 #include "patch.h"
 
 #include <string>