diff --git a/.gitignore b/.gitignore
index 1b37e27..c80f15f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,8 +15,8 @@
 # for CMake
 CMakeFiles
 cmake_install.cmake
-cmake-build
-cmake-build-debug
+cmake-build-*
+# cmake-build-debug
 client/tp_assist_macos/build
 **/xcode_build
 **/DerivedData
@@ -109,3 +109,4 @@ profile
 /external/zlib
 /client/tools/qt-redist
 /config.json
+/config.*.json
diff --git a/build/build-py-static.sh b/build/build-py-static.sh
index b3492af..1e64af0 100755
--- a/build/build-py-static.sh
+++ b/build/build-py-static.sh
@@ -45,11 +45,18 @@ function dlfile()
 		echo ""
 		# curl --insecure https://www.python.org/ftp/python/3.7.0/${VER_PYTHON}.tgz -o "${PATH_PYTHON}/${VER_PYTHON}.tgz"
 		echo wget $2$3 -O "$4/$3"
-		wget --no-check-certificate $2$3 -O "$4/$3"
 
-		if [ ! -f "$4/$3" ]; then
+        if [ -f "$4/$3._tmp_" ]; then
+            rm -rf "$4/$3._tmp_"
+        fi
+
+		wget --no-check-certificate $2$3 -O "$4/$3._tmp_"
+
+		if [ ! -f "$4/$3._tmp_" ]; then
 			on_error "Can not download $1: $3"
 		fi
+
+        mv "$4/$3._tmp_" "$4/$3"
 	else
 		echo " already exists, skip."
 	fi
diff --git a/build/build.py b/build/build.py
index f4a7122..ddbaf7f 100644
--- a/build/build.py
+++ b/build/build.py
@@ -229,12 +229,12 @@ def add_split(title=None):
 
 def make_options():
     if ctx.host_os in ['windows']:
-        add_split('prepare for client [build once]')
+        add_split('prepare external [build once]')
         # add_option('x86', 'external', '[OBSOLETE] Build external dependency')
-        add_option('x86', 'ext-client', 'Build external libraries for client')
-        add_split('prepare for server [build once]')
-        add_option('x86', 'pysrt', 'Make Python-Runtime for python%s-x86' % env.py_ver_str)
-        add_option('x86', 'ext-server', 'Build external libraries for server')
+        add_option('x86', 'ext-client', '[client] Build external libraries for client')
+        # add_split('prepare for server [build once]')
+        add_option('x86', 'pysrt', '[server] Make Python-Runtime for python%s-x86' % env.py_ver_str)
+        add_option('x86', 'ext-server', '[server] Build external libraries for server')
         add_split('version [build every release]')
         add_option('x86', 'ver', 'Update version setting')
         add_split('client side')
@@ -253,30 +253,30 @@ def make_options():
         add_option('x86', 'clear-ext-client', 'Clear external libraries for client')
         add_option('x86', 'clear-ext-server', 'Clear external libraries for server')
     elif ctx.host_os == 'macos':
-        add_split('prepare for client [build once]')
-        add_option('x64', 'ext-client', 'Build external libraries for client')
-        add_split('version [build every release]')
-        add_option('x64', 'ver', 'Update version setting')
         add_split('client side')
-        add_option('x64', 'client', 'Assist Execute [%s]' % ctx.target_path)
-        add_option('x64', 'client-installer', 'Assist Installer')
+        add_option('x64', 'ext-client', 'build external libraries for client')
+        add_option('x64', 'client', 'build client applications [%s]' % ctx.target_path)
+        add_option('x64', 'client-installer', 'make client installer')
+        add_split('server side')
+        add_option('x64', 'ext-server', 'build external libraries for server')
+        add_option('x64', 'server', '(DEV-ONLY) build server applications [%s]' % ctx.target_path)
         add_split('clear')
-        add_option('x86', 'clear-ext-client', 'Clear external libraries for client')
+        add_option('x64', 'clear-ext-client', 'clear external libraries for client')
+        add_option('x64', 'clear-ext-server', 'clear external libraries for server')
+        add_split('misc')
+        add_option('x64', 'ver', 'update version setting')
     else:
         add_split('prepare for server [build once]')
         add_option('x64', 'pysrt', 'Make Python-Runtime for python%s-x64' % env.py_ver_str)
-        # add_option('x64', 'external', '[OBSOLETE] Build external dependency')
-        # add_option('x86', 'ext-client', 'Build external libraries for client')
-        add_option('x64', 'ext-server', 'Build external libraries for server')
-        add_split('version [build every release]')
-        add_option('x64', 'ver', 'Update version setting')
         add_split('server side')
-        add_option('x64', 'server', 'Build server applications [%s]' % ctx.target_path)
-        # add_option('x64', 'installer', '[OBSOLETE] Make server installer for %s' % ctx.host_os)
-        add_option('x64', 'server-installer', 'Make server installer for %s' % ctx.host_os)
+        add_option('x64', 'ext-server', 'build external libraries for server')
+        add_option('x64', 'server', 'build server applications [%s]' % ctx.target_path)
+        add_option('x64', 'server-installer', 'make server installer for %s' % ctx.host_os)
         add_split('clear')
         # add_option('x64', 'clear-ext-client', 'Clear external libraries for client')
-        add_option('x64', 'clear-ext-server', 'Clear external libraries for server')
+        add_option('x64', 'clear-ext-server', 'clear external libraries for server')
+        add_split('misc')
+        add_option('x64', 'ver', 'update version setting')
 
 
 def get_input(msg, log_func=cc.w):
diff --git a/build/builder/build-pysrt.py b/build/builder/build-pysrt.py
index 637763c..90265ff 100644
--- a/build/builder/build-pysrt.py
+++ b/build/builder/build-pysrt.py
@@ -49,7 +49,7 @@ class PYSBase:
         pypi_modules = ['cffi', 'cryptography', 'ldap3', 'mako', 'Pillow', 'psutil', 'pyasn1', 'pymysql', 'qrcode', 'tornado', 'wheezy.captcha']
         for p in pypi_modules:
             cc.n('install {} ...'.format(p))
-            utils.sys_exec('{} install -i https://pypi.tuna.tsinghua.edu.cn/simple {}'.format(pip, p), direct_output=True)
+            utils.sys_exec('{} install -i https://pypi.tuna.tsinghua.edu.cn/simple {}'.format(pip, p))
 
         self._make_base()
         self._make_python_zip()
diff --git a/build/builder/build-server.py b/build/builder/build-server.py
index 6021268..803bc7c 100644
--- a/build/builder/build-server.py
+++ b/build/builder/build-server.py
@@ -91,17 +91,17 @@ class BuilderLinux(BuilderBase):
 
         utils.makedirs(out_path)
 
-        build_path = os.path.join(env.root_path, 'cmake-build')
+        build_path = os.path.join(env.root_path, 'cmake-build-linux')
         if not os.path.exists(build_path):
             utils.makedirs(build_path)
 
-        old_p = os.getcwd()
-        os.chdir(build_path)
-        utils.cmake(build_path, ctx.target_path, False)
-        os.chdir(build_path)
-        utils.sys_exec('make')
-        # utils.strip(out_file)
-        os.chdir(old_p)
+        # old_p = os.getcwd()
+        # os.chdir(build_path)
+        # utils.cmake(build_path, ctx.target_path, False)
+        # os.chdir(build_path)
+        # utils.sys_exec('make')
+        # # utils.strip(out_file)
+        # os.chdir(old_p)
 
         for f in out_files:
             if os.path.exists(f):
@@ -130,7 +130,7 @@ class BuilderMacOS(BuilderBase):
 
         utils.makedirs(out_path)
 
-        utils.cmake(os.path.join(env.root_path, 'cmake-build'), ctx.target_path, False)
+        utils.cmake(os.path.join(env.root_path, 'cmake-build-macos'), ctx.target_path, False)
         # utils.strip(out_file)
 
         for f in out_files:
diff --git a/build/builder/core/env.py b/build/builder/core/env.py
index bf51ab0..7f8a6b9 100644
--- a/build/builder/core/env.py
+++ b/build/builder/core/env.py
@@ -75,11 +75,12 @@ class Env(object):
         return True
 
     def _load_config(self, warn_miss_tool):
+        _cfg_file = 'config.{}.json'.format(self.plat)
         # _cfg_file = os.path.join(self.root_path, 'config.ini')
-        _cfg_file = os.path.join(self.root_path, 'config.json')
+        _cfg_file = os.path.join(self.root_path, _cfg_file)
         if not os.path.exists(_cfg_file):
             # cc.e('can not load configuration.\n\nplease copy `config.ini.in` to `config.ini` and modify it to fit your condition and try again.')
-            cc.e('can not load configuration.\n\nplease copy `config.json.in` to `config.json` and modify it to fit your condition and try again.')
+            cc.e('can not load configuration.\n\nplease copy `config.json.in` to `config.{}.json` and modify it to fit your condition and try again.'.format(self.plat))
             return False
 
         try:
@@ -196,6 +197,15 @@ class Env(object):
                 if warn_miss_tool:
                     cc.w(' - can not locate `qt`, so I can not build tp-player.')
 
+            if 'cmake' in _tmp:
+                self.cmake = _tmp['cmake']
+            else:
+                self.cmake = '/usr/local/bin/cmake'
+
+            if not os.path.exists(self.cmake):
+                if warn_miss_tool:
+                    cc.e(' - can not locate `cmake`, so I can not build binary from source.')
+
         return True
 
     def _load_version(self):
diff --git a/build/builder/core/utils.py b/build/builder/core/utils.py
index c0571f7..10d32c3 100644
--- a/build/builder/core/utils.py
+++ b/build/builder/core/utils.py
@@ -268,8 +268,8 @@ def ensure_file_exists(filename):
         raise RuntimeError('path exists but not a file: {}'.format(filename))
 
 
-def sys_exec(cmd, direct_output=False, output_codec=None):
-    print(cmd)
+def sys_exec(cmd, direct_output=True, output_codec=None):
+    cc.o(cmd)
     if output_codec is None:
         if env.is_win:
             output_codec = 'gb2312'
@@ -280,9 +280,11 @@ def sys_exec(cmd, direct_output=False, output_codec=None):
     if env.is_win:
         p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, universal_newlines=True, shell=True)
 
+    # elif env.is_macos:
+    #     p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, universal_newlines=True, shell=True)
+
     else:
-        p = subprocess.Popen(cmd, close_fds=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
-                             universal_newlines=True, shell=True)
+        p = subprocess.Popen(cmd, close_fds=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, universal_newlines=True, shell=True)
 
     output = list()
     f = p.stdout
@@ -310,12 +312,12 @@ def msvc_build(sln_file, proj_name, target, platform, force_rebuild):
     if force_rebuild:
         cmd = '"{}" "{}" "/target:clean" "/property:Configuration={};Platform={}"'.format(env.msbuild, sln_file, target,
                                                                                           platform)
-        ret, _ = sys_exec(cmd, direct_output=True)
+        ret, _ = sys_exec(cmd)
         cc.v('ret:', ret)
 
     cmd = '"{}" "{}" "/target:{}" "/property:Configuration={};Platform={}"'.format(env.msbuild, sln_file, proj_name,
                                                                                    target, platform)
-    ret, _ = sys_exec(cmd, direct_output=True)
+    ret, _ = sys_exec(cmd)
     if ret != 0:
         raise RuntimeError('build MSVC project `{}` failed.'.format(proj_name))
 
@@ -329,7 +331,7 @@ def qt_build(prj_path, prj_name, bit_path, target_path):
         tmp_path = os.path.join(env.root_path, 'out', '_tmp_', prj_name, bit_path)
         # C:\Windows\System32\cmd.exe /A /Q /K C:\Qt\Qt5.12.0\5.12.0\msvc2017\bin\qtenv2.bat
         cmd = 'C:\\Windows\\System32\\cmd.exe /A /Q /C ""{}\\qt-helper.bat" "{}\\bin\\qtenv2.bat" "{}VC\\Auxiliary\\Build\\vcvarsall.bat" {} "{}" "{}" {}"'.format(env.build_path, env.qt, env.visual_studio_path, bit_path, tmp_path, prj_path, target_path)
-        ret, _ = sys_exec(cmd, direct_output=True)
+        ret, _ = sys_exec(cmd)
         if ret != 0:
             raise RuntimeError('build XCode project `{}` failed.'.format(prj_name))
     elif env.is_macos:
@@ -340,7 +342,7 @@ def qt_build(prj_path, prj_name, bit_path, target_path):
         os.chdir(prj_path)
 
         cmd = '"{}" "{}"; make'.format(qmake, pro_file)
-        ret, _ = sys_exec(cmd, direct_output=True)
+        ret, _ = sys_exec(cmd)
         if ret != 0:
             raise RuntimeError('make Makefile for build `{}` failed.'.format(prj_name))
 
@@ -354,7 +356,7 @@ def qt_deploy(app):
     if env.is_macos:
         qmake = os.path.join(env.qt, 'macdeployqt')
         cmd = '"{}" "{}"'.format(qmake, app)
-        ret, _ = sys_exec(cmd, direct_output=True)
+        ret, _ = sys_exec(cmd)
         if ret != 0:
             raise RuntimeError('make deploy for QT failed.')
 
@@ -362,11 +364,11 @@ def qt_deploy(app):
 def xcode_build(proj_file, proj_name, target, force_rebuild):
     if force_rebuild:
         cmd = 'xcodebuild -project "{}" -target {} -configuration {} clean'.format(proj_file, proj_name, target)
-        ret, _ = sys_exec(cmd, direct_output=True)
+        ret, _ = sys_exec(cmd)
         cc.v('ret:', ret)
 
     cmd = 'xcodebuild -project "{}" -target {} -configuration {}'.format(proj_file, proj_name, target)
-    ret, _ = sys_exec(cmd, direct_output=True)
+    ret, _ = sys_exec(cmd)
     if ret != 0:
         raise RuntimeError('build XCode project `{}` failed.'.format(proj_name))
 
@@ -379,7 +381,7 @@ def make_dmg(json_file, dmg_file):
         makedirs(out_path)
 
     cmd = 'appdmg "{}" "{}"'.format(json_file, dmg_file)
-    ret, _ = sys_exec(cmd, direct_output=True)
+    ret, _ = sys_exec(cmd)
     if ret != 0:
         raise RuntimeError('make dmg failed.')
 
@@ -389,7 +391,7 @@ def nsis_build(nsi_file, _define=''):
         raise RuntimeError('where is `nsis`?')
 
     cmd = '"{}" /V2 {} /X"SetCompressor /SOLID /FINAL lzma" "{}"'.format(env.nsis, _define, nsi_file)
-    ret, _ = sys_exec(cmd, direct_output=True)
+    ret, _ = sys_exec(cmd)
     if ret != 0:
         raise RuntimeError('make installer with nsis failed. [{}]'.format(nsi_file))
 
@@ -414,14 +416,14 @@ def cmake(work_path, target, force_rebuild, cmake_define='', cmake_pre_define=''
     else:
         target = 'Release'
     cmd = '{} "{}" -DCMAKE_BUILD_TYPE={} {} ..'.format(cmake_pre_define, env.cmake, target, cmake_define)
-    cc.o(cmd)
-    ret, _ = sys_exec(cmd, direct_output=True)
-    # if ret != 0:
-    #     raise RuntimeError('build with cmake failed, ret={}. [{}]'.format(ret, target))
-
-    # cmd = 'make'
     # cc.o(cmd)
-    # ret, _ = sys_exec(cmd, direct_output=True)
+    ret, _ = sys_exec(cmd)
+    if ret != 0:
+        raise RuntimeError('build with cmake failed, ret={}. [{}]'.format(ret, target))
+
+    cmd = 'make'
+    # cc.o(cmd)
+    ret, _ = sys_exec(cmd)
 
     os.chdir(old_p)
     if ret != 0:
@@ -433,7 +435,7 @@ def strip(filename):
     if not os.path.exists(filename):
         return False
     cmd = 'strip {}'.format(filename)
-    ret, _ = sys_exec(cmd, direct_output=True)
+    ret, _ = sys_exec(cmd)
     if ret != 0:
         raise RuntimeError('failed to strip binary file [{}], ret={}.'.format(filename, ret))
     return True
@@ -444,7 +446,7 @@ def fix_new_line_flag(filename):
     if not os.path.exists(filename):
         return False
     cmd = 'dos2unix {}'.format(filename)
-    ret, _ = sys_exec(cmd, direct_output=True)
+    ret, _ = sys_exec(cmd)
     if ret != 0:
         raise RuntimeError('failed to dos2unix file [{}], ret={}.'.format(filename, ret))
     return True
@@ -499,7 +501,7 @@ def make_targz(work_path, folder, to_file):
 
     os.chdir(work_path)
     cmd = 'tar zcf "{}" "{}"'.format(to_file, folder)
-    ret, _ = sys_exec(cmd, direct_output=True)
+    ret, _ = sys_exec(cmd)
     ensure_file_exists(to_file)
     os.chdir(old_p)
 
diff --git a/common/libex/include/ex/ex_ini.h b/common/libex/include/ex/ex_ini.h
index 681f05f..ad58ddd 100644
--- a/common/libex/include/ex/ex_ini.h
+++ b/common/libex/include/ex/ex_ini.h
@@ -1,14 +1,14 @@
-#ifndef __EX_INI_H__
+#ifndef __EX_INI_H__
 #define __EX_INI_H__
 
 /*
-�ر�ע�⣺
+特别注意：
 
-1. �� �ֺ�';' ���� ����'#' ��Ϊע���еĵ�һ���ַ�
-2. ��֧������ע��
-3. ֵ���Ե�һ���Ⱥŷָ����Ⱥ�ǰ������пո�ᱻ���ԣ�֮��Ŀո�ᱣ����������β�ո�
-4. ����в�����ij��С�ڵ�ֵ�ԣ�����ʹ��GetDumySection()��ȡ
-   DumySection��Ҫ��Ϊ���ܹ����ݼ򵥵�Python�ļ��������ļ���
+1. 以 分号';' 或者 井号'#' 作为注释行的第一个字符
+2. 不支持行内注释
+3. 值对以第一个等号分隔，等号前后如果有空格会被忽略，之后的空格会保留，包括行尾空格
+4. 如果有不属于某个小节的值对，可以使用GetDumySection()获取
+   DumySection主要是为了能够兼容简单的Python文件做配置文件。
 */
 
 #include "ex_str.h"
diff --git a/make.sh b/make.sh
index 84af9bf..8b3b2b4 100755
--- a/make.sh
+++ b/make.sh
@@ -1,10 +1,22 @@
 #!/bin/bash
 
 PATH_ROOT=$(cd "$(dirname "$0")"; pwd)
-CFG_FILE=config.json
+#CFG_FILE=config.json
+
+function check_cfg_file
+{
+    if [ ! -f "./${CFG_FILE}" ] ; then
+        on_error_begin "\`${CFG_FILE}\` does not exists."
+        echo "please copy \`config.json.in\` into \`${CFG_FILE}\`"
+        echo "and modify it to fit your condition, then try again."
+        on_error_end
+    fi
+}
 
 function build_win
 {
+    check_cfg_file
+
 	# find pyexec from json file
 	pyexec=$(grep -P '"pyexec":' ./${CFG_FILE} | grep -Po '(?<="pyexec":)([[:space:]]*)"(.*)"')
 	# remove left "
@@ -41,6 +53,8 @@ function build_win
 
 function build_linux
 {
+    check_cfg_file
+
 	if [ `id -u` -eq 0 ]; then
 		on_error "Do not build as root."
 	fi
@@ -49,20 +63,21 @@ function build_linux
 		on_error "Sorry, build script works on CentOS 7 only."
 	fi
 
-	X=$(yum list installed | grep "libffi-devel")
-	if [ "$X-x" = "-x" ] ; then
-		on_error "Need libffi-devel to build Python, try:\r\n    sudo yum install libffi-devel"
-	fi
-
-	X=$(yum list installed | grep "zlib-devel")
-	if [ "$X-x" = "-x" ] ; then
-		on_error "Need zlib-devel to build Python, try:\r\n    sudo yum install zlib-devel"
-	fi
-
 	PYEXEC=${PATH_ROOT}/external/linux/release/bin/python3.7
 	PYSTATIC=${PATH_ROOT}/external/linux/release/lib/libpython3.7m.a
 
 	if [ ! -f "${PYSTATIC}" ] ; then
+
+        X=$(yum list installed | grep "libffi-devel")
+        if [ "$X-x" = "-x" ] ; then
+            on_error "Need libffi-devel to build Python, try:\r\n    sudo yum install libffi-devel"
+        fi
+
+        X=$(yum list installed | grep "zlib-devel")
+        if [ "$X-x" = "-x" ] ; then
+            on_error "Need zlib-devel to build Python, try:\r\n    sudo yum install zlib-devel"
+        fi
+
 		echo "python static not found, now build it..."
 		"${PATH_ROOT}/build/build-py-static.sh"
 
@@ -77,6 +92,8 @@ function build_linux
 
 function build_macos
 {
+    check_cfg_file
+
 	python3 -B "${PATH_ROOT}/build/build.py" $@
 }
 
@@ -108,24 +125,21 @@ function on_error_end()
 # main
 ##############################################
 
-if [ ! -f "./${CFG_FILE}" ] ; then
-	on_error_begin "\`${CFG_FILE}\` does not exists."
-	echo "please copy \`${CFG_FILE}.in\` into \`${CFG_FILE}\`"
-	echo "and modify it to fit your condition, then try again."
-	on_error_end
-fi
-
 export TP_BUILD_SYSTEM="start"
 
-SYSTEM=`uname -s`
-SYSTEM=${SYSTEM:0:4}	# cut first 4 char.
-echo $SYSTEM
+SYS_NAME=`uname -s`
+SYS_NAME=${SYS_NAME:0:4}	# cut first 4 char.
+# echo ${SYS_NAME}
 # SYSTEM=${SYSTEM^^}		# upper case
-if [ $SYSTEM = "Linu" ] ; then
+
+if [ ${SYS_NAME} = "Linu" ] ; then
+    export CFG_FILE=config.linux.json
 	build_linux $@
-elif [ $SYSTEM = "Darw" ] ; then   
+elif [ ${SYS_NAME} = "Darw" ] ; then   
+    export CFG_FILE=config.macos.json
 	build_macos $@
-elif [ $SYSTEM == "MSYS" ] ; then
+elif [ ${SYS_NAME} == "MSYS" ] ; then
+    export CFG_FILE=config.win.json
 	build_win $@
 else 
 	on_error_begin "Unsupported platform."