diff --git a/QQtExample.pro b/QQtExample.pro
index 88bf4bf9..3dd0a4cf 100644
--- a/QQtExample.pro
+++ b/QQtExample.pro
@@ -109,7 +109,8 @@ greaterThan(QT_VERSION, 4.6.0):SUBDIRS += test/voicetest
 mac:lessThan(QT_MAJOR_VERSION , 5):SUBDIRS -= test/voicetest
 
 #网络创建工具
-#SUBDIRS += demo/QQtClientCreator
+#
+SUBDIRS += demo/QQtClientCreator
 #SUBDIRS += demo/QQtServerCreator
 #这边是个组合项，客户端和服务器一起的。必看
 #SUBDIRS += examples/qqtclientexample
diff --git a/multi-link/add_base_manager.pri b/multi-link/add_base_manager.pri
index 18740747..06a47722 100644
--- a/multi-link/add_base_manager.pri
+++ b/multi-link/add_base_manager.pri
@@ -73,7 +73,9 @@ defineTest(add_dependent_library) {
 ##need QSYS
 #################################################################
 #这个编译，build pane比较简洁
-CONFIG += silent
+#CONFIG += silent
+#CONFIG += debug_and_release
+#CONFIG += build_all
 
 contains(TEMPLATE, app) {
     #add base manager对App的处理很少，App通过函数基本上能解决所有的事情
@@ -104,7 +106,7 @@ contains(TEMPLATE, app) {
             CONFIG += dll
             DEFINES += LIB_LIBRARY
             #mingw编译为静态有原因：动态库可以编译成功，但是无法链接成功。
-            #message(Build $${TARGET} LIB_LIBRARY is defined. build)
+            message(Build $${TARGET} LIB_LIBRARY is defined. build)
         } else {
             #create dynamic lib (important, only occured at builder pro)
             CONFIG += dll
diff --git a/multi-link/add_sdk.pri b/multi-link/add_sdk.pri
index e65b880a..a4ea1108 100644
--- a/multi-link/add_sdk.pri
+++ b/multi-link/add_sdk.pri
@@ -206,7 +206,7 @@ defineReplace(get_add_sdk_work_flow){
         command += $$get_add_mac_sdk_fix_building_framework() $$CMD_SEP
         #command += echo $$libname fix framework success. $$CMD_SEP
     }
-    command += $$RM_DIR $${LIB_SDK_PWD} $$CMD_SEP
+    #command += $$RM_DIR $${LIB_SDK_PWD} $$CMD_SEP
     command += $$MK_DIR $${LIB_SDK_PWD} $$CMD_SEP
     command += $$CD $${LIB_SDK_PWD} $$CMD_SEP
     command += $$get_add_sdk_dir_struct() $$CMD_SEP
@@ -437,3 +437,59 @@ defineTest(add_sdk_to_Qt){
     message(QQt sdk install here:$${LIB_SDK_PWD})
     return (1)
 }
+
+defineTest(del_sdk){
+    #isEmpty(1):error(del_sdk(libname, libsrcdir, libdstdir) need at last one argument)
+
+    contains(QSYS_PRIVATE, macOS) {
+        #equals(APP_MAJOR_VERSION, 0):message(add_sdk(libname, libsrcdir, libdstdir) macos app major version is "0," have you setted it?)
+    }
+
+    libname = $$1
+    isEmpty(1):libname = $$TARGET
+    libname_lower = $$lower($${libname})
+    #LIB std dir is not same to app std dir
+    LIB_STD_DIR = $${libname}/$${QSYS_STD_DIR}
+
+    #create platform sdk need this
+    #源代码目录
+    LIB_SRC_PWD=$$2
+    isEmpty(2):LIB_SRC_PWD=$${PWD}
+
+    #编译目标位置
+    LIB_DST_DIR=$$DESTDIR
+    !isEmpty(3):LIB_DST_DIR = $$3
+
+    #need use qqt subdir proj
+    LIB_BUILD_PWD=$${APP_BUILD_ROOT}/$${LIB_STD_DIR}
+    !isEmpty(LIB_DST_DIR):LIB_BUILD_PWD=$${LIB_BUILD_PWD}/$${LIB_DST_DIR}
+
+    #sdk path
+    LIB_SDK_PWD = $${LIB_SDK_ROOT}/$${LIB_STD_DIR}
+    #message(QQt sdk install here:$${LIB_SDK_PWD})
+
+    #这里不仅仅目标为windows的时候，才会转换，
+    #开发Host为Windows的时候，都要转换。
+    #contains(QSYS_PRIVATE, Win32|Windows||Win64) {
+    equals(QMAKE_HOST.os, Windows) {
+        APP_BUILD_ROOT~=s,/,\\,g
+        LIB_SDK_ROOT~=s,/,\\,g
+        APP_DEPLOY_ROOT~=s,/,\\,g
+
+        QSYS_STD_DIR~=s,/,\\,g
+        LIB_STD_DIR~=s,/,\\,g
+        LIB_DST_DIR~=s,/,\\,g
+        LIB_BUILD_PWD~=s,/,\\,g
+        LIB_SDK_PWD~=s,/,\\,g
+    }
+
+    command += $$RM_DIR $${LIB_SDK_PWD}
+    #message($$command)
+
+    !isEmpty(QMAKE_POST_LINK):QMAKE_POST_LINK += $$CMD_SEP
+    QMAKE_POST_LINK += $$command
+
+    export(QMAKE_POST_LINK)
+
+    return (1)
+}
diff --git a/test/QQtQwtTest/mainwindow.cpp b/test/QQtQwtTest/mainwindow.cpp
index 19c44e6a..a8eee975 100644
--- a/test/QQtQwtTest/mainwindow.cpp
+++ b/test/QQtQwtTest/mainwindow.cpp
@@ -1,8 +1,5 @@
 #include "mainwindow.h"
 #include "ui_mainwindow.h"
-
-
-
 #include <qqttcpclient.h>
 
 MainWindow::MainWindow ( QWidget* parent ) :
@@ -10,20 +7,15 @@ MainWindow::MainWindow ( QWidget* parent ) :
     ui ( new Ui::MainWindow )
 {
     ui->setupUi ( this );
-    return;
-    //setupRealtimeDataDemo ( ui->qwtPlot );
     QQtTcpClient t;
+    setupRealtimeDataDemo ( ui->qwtPlot );
 }
 
-
-
 MainWindow::~MainWindow()
 {
     delete ui;
 }
 
-
-
 void MainWindow::setupRealtimeDataDemo ( QwtPlot* qwtplot )
 {
 
@@ -111,8 +103,8 @@ void MainWindow::updatedataSlot()
     }
 
     curve->setSamples ( xdata, ydata );
-    //curve->attach ( ui->qwtPlot );
-    //ui->qwtPlot->replot();
+    curve->attach ( ui->qwtPlot );
+    ui->qwtPlot->replot();
 
     static double lastFpsKey;
     static int frameCount;
diff --git a/test/QQtQwtTest/mainwindow.ui b/test/QQtQwtTest/mainwindow.ui
index 221b2912..496b0bd6 100644
--- a/test/QQtQwtTest/mainwindow.ui
+++ b/test/QQtQwtTest/mainwindow.ui
@@ -14,16 +14,11 @@
    <string>MainWindow</string>
   </property>
   <widget class="QWidget" name="centralWidget">
-   <widget class="QwtPlot" name="qwtPlot" native="true">
-    <property name="geometry">
-     <rect>
-      <x>40</x>
-      <y>30</y>
-      <width>311</width>
-      <height>201</height>
-     </rect>
-    </property>
-   </widget>
+   <layout class="QHBoxLayout" name="horizontalLayout">
+    <item>
+     <widget class="QwtPlot" name="qwtPlot" native="true"/>
+    </item>
+   </layout>
   </widget>
   <widget class="QMenuBar" name="menuBar">
    <property name="geometry">
diff --git a/usage.md b/usage.md
index 57bab392..4585a23f 100644
--- a/usage.md
+++ b/usage.md
@@ -179,6 +179,9 @@ App和Lib的目标，一直从Build位置，持续发布到Deploy位置和SDK位
 
 ####多链接技术创造的生产线  
 Multi-link会一直处于App/Lib生产线的控制器地位。   
+Multi-link允许用户自行添加任何依赖项，我把一些常用的依赖项添加用pri放在了app-lib里，
+而这些依赖项的SDK我保存在了百度网盘，以方便用户取用，用户只需要下载下来解压到自己的LIB_SDK_ROOT里。  
+网盘地址:....    
 我计划在LibQQt 3.0的时机将Multi-link合并到master分支进行正式发布。   
 ![Multi-link技术的能力](screenshot/13.png "这是Multi-link技术的能力")