diff --git a/common/libex/include/ex/ex_platform.h b/common/libex/include/ex/ex_platform.h
index e64b464..3000efe 100644
--- a/common/libex/include/ex/ex_platform.h
+++ b/common/libex/include/ex/ex_platform.h
@@ -1,155 +1,158 @@
-#ifndef __LIB_EX_PLATFORM_H__
-#define __LIB_EX_PLATFORM_H__
-
-#if defined(_WIN32) || defined(WIN32)
-#	define EX_OS_WIN32
-#elif defined(__linux__)
-#	define EX_OS_LINUX
-#	define EX_OS_UNIX
-#elif defined(__APPLE__)
-#	define EX_OS_MACOS
-#	define EX_OS_UNIX
-#else
-#	error unsupported platform.
-#endif
-
-// compiler
-#ifdef EX_OS_WIN32
-#	ifndef _MSC_VER
-#		error need VisualStudio on Windows.
-#	endif
-#	if _MSC_VER < 1900	// need VisualStudio 2015 and above.
-#		error need VisualStudio 2015 and above.
-#	endif
-#endif
-
-#ifdef EX_OS_WIN32
-#	if !defined(UNICODE) && !defined(_UNICODE)
-#		error "Does not support `Multi-Byte Character Set` on Windows."
-#	endif
-#	ifdef _DEBUG
-#		ifndef EX_DEBUG
-#			define EX_DEBUG
-#		endif
-#	endif
-#endif
-
-#ifdef EX_OS_MACOS
-#	ifdef DEBUG
-#		define EX_DEBUG
-#	endif
-#endif
-
-
-#ifdef EX_OS_WIN32
-#	ifndef _WIN32_WINNT
-#		define _WIN32_WINNT 0x0502     // 0x0502 = WinServer2003 (libuv need this)  0x0501 = WinXP, 0x0500 = Win2000
-#	endif
-#	define WIN32_LEAN_AND_MEAN             // Exclude rarely-used stuff from Windows headers
-#	define _CRT_RAND_S		// for rand_s().
-#	include <windows.h>
-#	include <tchar.h>
-#	include <shlwapi.h>
-#	include <shellapi.h>
-#	define _CSTDIO_
-#	define _CSTRING_
-#	define _CWCHAR_
-#	include <strsafe.h>
-#	include <WinSock2.h>
-#	include <direct.h>
-#else
-#	include <locale.h>
-#   include <string.h>
-#	include <stdio.h>
-#	include <stdlib.h>	// free()
-#	include <stdarg.h>	// va_start()
-#	include <unistd.h>	// readlink()
-#	include <wchar.h>
-#	include <sys/stat.h>
-#	include <sys/types.h>
-#	include <sys/socket.h>
-#	include <netinet/in.h>
-#endif
-#ifdef EX_OS_MACOS
-#   include <mach-o/dyld.h> // for _NSGetExecutablePath
-#   ifndef _T
-#       define _T(x) L##x
-#   endif
-#endif
-
-
-/*
-* On Windows PATH_MAX does not exist but MAX_PATH does.
-* WinAPI MAX_PATH limit is only 256. MSVCR fuctions does not have this limit.
-* Redefine PATH_MAX for Windows to support longer path names.
-*/
-#if defined(EX_OS_WIN32)
-#	ifdef PATH_MAX
-#		undef PATH_MAX  /* On Windows override PATH_MAX if defined. */
-#	endif
-#	define PATH_MAX 1024
-#elif defined(EX_OS_LINUX)
-#   ifndef PATH_MAX
-#      define PATH_MAX 1024
-#   endif
-#elif defined(EX_OS_MACOS)
-#	define PATH_MAX 1024  /* Recommended value for OSX. */
-#endif
-
-// assert
-#ifdef EX_DEBUG
-#	define ASSERT(exp)
-#	define CHECK(exp)   do { if (!(exp)) abort(); } while (0)
-//#	define DEBUG_CHECKS (0)
-#else
-#   include <assert.h>
-#	define ASSERT(exp)  assert(exp)
-#	define CHECK(exp)   assert(exp)
-//#	define DEBUG_CHECKS (1)
-#endif
-
-#define UNREACHABLE() CHECK(!"Unreachable code reached.")
-
-#ifndef UNUSED
-#	if defined(_MSC_VER)
-#		define UNUSED(x) (void)(x)
-#	elif defined(__GUNC__)
-#		defined UNUSED(x) UNUSED_ ## x __attribute__((unused))
-#	elif defined(__LCLINT__)
-#		define UNUSED(x) /*@unused@*/ x
-#	elif defined(__cplusplus)
-#		define UNUSED(x)
-#	else
-#		define UNUSED(x) (void)(x)
-#	endif
-#endif
-
-/* check endian */
-#if !(defined(L_ENDIAN) || defined(B_ENDIAN))
-#	if !defined(__BYTE_ORDER) && defined(__linux__)
-#		include <endian.h>
-#	endif
-
-#	if defined(BYTE_ORDER)
-#		if BYTE_ORDER == BIG_ENDIAN
-#			define B_ENDIAN
-#		else
-#			define L_ENDIAN
-#		endif
-#	endif
-
-#	if !(defined(L_ENDIAN) || defined(B_ENDIAN))
-#		if defined(__sparc__) || defined(__PPC__) || defined(__ppc__) || defined(__hppa__)
-#			define B_ENDIAN
-#		else
-#			define L_ENDIAN
-#		endif
-#	endif
-#endif
-
-#ifdef EX_OS_WIN32
-#	pragma comment(lib, "shlwapi.lib")
-#endif
-
-
-#endif // __LIB_EX_PLATFORM_H__
+#ifndef __LIB_EX_PLATFORM_H__
+#define __LIB_EX_PLATFORM_H__
+
+#if defined(_WIN32) || defined(WIN32)
+#	define EX_OS_WIN32
+#elif defined(__linux__)
+#	define EX_OS_LINUX
+#	define EX_OS_UNIX
+#elif defined(__APPLE__)
+#	define EX_OS_MACOS
+#	define EX_OS_UNIX
+#else
+#	error unsupported platform.
+#endif
+
+// compiler
+#ifdef EX_OS_WIN32
+#	ifndef _MSC_VER
+#		error need VisualStudio on Windows.
+#	endif
+#	if _MSC_VER < 1900	// need VisualStudio 2015 and above.
+#		error need VisualStudio 2015 and above.
+#	endif
+#endif
+
+#ifdef EX_OS_WIN32
+#	if !defined(UNICODE) && !defined(_UNICODE)
+#		error "Does not support `Multi-Byte Character Set` on Windows."
+#	endif
+#	ifdef _DEBUG
+#		ifndef EX_DEBUG
+#			define EX_DEBUG
+#		endif
+#	endif
+#endif
+
+#ifdef EX_OS_MACOS
+#	ifdef DEBUG
+#		define EX_DEBUG
+#	endif
+#endif
+
+
+#ifdef EX_OS_WIN32
+#	ifndef _WIN32_WINNT
+#		define _WIN32_WINNT 0x0502     // 0x0502 = WinServer2003 (libuv need this)  0x0501 = WinXP, 0x0500 = Win2000
+#	endif
+#	define WIN32_LEAN_AND_MEAN             // Exclude rarely-used stuff from Windows headers
+#	define _CRT_RAND_S		// for rand_s().
+#	include <windows.h>
+#	include <tchar.h>
+#	include <shlwapi.h>
+#	include <shellapi.h>
+#	define _CSTDIO_
+#	define _CSTRING_
+#	define _CWCHAR_
+#	include <strsafe.h>
+#	include <WinSock2.h>
+#	include <direct.h>
+#else
+#	include <locale.h>
+#   include <string.h>
+#	include <stdio.h>
+#	include <stdlib.h>	// free()
+#	include <stdarg.h>	// va_start()
+#	include <unistd.h>	// readlink()
+#	include <fcntl.h>   // O_RDONLY, etc.
+#	include <errno.h>
+#	include <wchar.h>
+#	include <sys/stat.h>
+#	include <sys/types.h>
+#	include <sys/socket.h>
+#	include <netinet/in.h>
+#endif
+
+#ifdef EX_OS_MACOS
+#   include <mach-o/dyld.h> // for _NSGetExecutablePath
+#   ifndef _T
+#       define _T(x) L##x
+#   endif
+#endif
+
+
+/*
+* On Windows PATH_MAX does not exist but MAX_PATH does.
+* WinAPI MAX_PATH limit is only 256. MSVCR fuctions does not have this limit.
+* Redefine PATH_MAX for Windows to support longer path names.
+*/
+#if defined(EX_OS_WIN32)
+#	ifdef PATH_MAX
+#		undef PATH_MAX  /* On Windows override PATH_MAX if defined. */
+#	endif
+#	define PATH_MAX 1024
+#elif defined(EX_OS_LINUX)
+#   ifndef PATH_MAX
+#      define PATH_MAX 1024
+#   endif
+#elif defined(EX_OS_MACOS)
+#	define PATH_MAX 1024  /* Recommended value for OSX. */
+#endif
+
+// assert
+#ifdef EX_DEBUG
+#	define ASSERT(exp)
+#	define CHECK(exp)   do { if (!(exp)) abort(); } while (0)
+//#	define DEBUG_CHECKS (0)
+#else
+#   include <assert.h>
+#	define ASSERT(exp)  assert(exp)
+#	define CHECK(exp)   assert(exp)
+//#	define DEBUG_CHECKS (1)
+#endif
+
+#define UNREACHABLE() CHECK(!"Unreachable code reached.")
+
+#ifndef UNUSED
+#	if defined(_MSC_VER)
+#		define UNUSED(x) (void)(x)
+#	elif defined(__GUNC__)
+#		defined UNUSED(x) UNUSED_ ## x __attribute__((unused))
+#	elif defined(__LCLINT__)
+#		define UNUSED(x) /*@unused@*/ x
+#	elif defined(__cplusplus)
+#		define UNUSED(x)
+#	else
+#		define UNUSED(x) (void)(x)
+#	endif
+#endif
+
+/* check endian */
+#if !(defined(L_ENDIAN) || defined(B_ENDIAN))
+#	if !defined(__BYTE_ORDER) && defined(__linux__)
+#		include <endian.h>
+#	endif
+
+#	if defined(BYTE_ORDER)
+#		if BYTE_ORDER == BIG_ENDIAN
+#			define B_ENDIAN
+#		else
+#			define L_ENDIAN
+#		endif
+#	endif
+
+#	if !(defined(L_ENDIAN) || defined(B_ENDIAN))
+#		if defined(__sparc__) || defined(__PPC__) || defined(__ppc__) || defined(__hppa__)
+#			define B_ENDIAN
+#		else
+#			define L_ENDIAN
+#		endif
+#	endif
+#endif
+
+#ifdef EX_OS_WIN32
+#	pragma comment(lib, "shlwapi.lib")
+#endif
+
+
+#endif // __LIB_EX_PLATFORM_H__
diff --git a/common/libex/src/ex_util.cpp b/common/libex/src/ex_util.cpp
index 936e671..c959e66 100644
--- a/common/libex/src/ex_util.cpp
+++ b/common/libex/src/ex_util.cpp
@@ -190,7 +190,7 @@ FILE *ex_fopen(const ex_wstr &filename, const wchar_t *mode) {
 #endif
 }
 
-FILE* ex_fopen(const ex_astr& filename, const char* mode) {
+FILE* ex_fopen(const ex_astr& filename, const char* mode) {
 	FILE *f = NULL;
 #ifdef EX_OS_WIN32
 	errno_t err = 0;
@@ -200,10 +200,10 @@ FILE* ex_fopen(const ex_astr& filename, const char* mode) {
 	else
 		return NULL;
 #else
-	f = fopen(filename.c_str(), mode.c_str());
+	f = fopen(filename.c_str(), mode);
 	return f;
 #endif
-}
+}
 
 
 bool ex_read_text_file(const ex_wstr &strFileName, ex_astr& file_content) {
diff --git a/server/tp_core/protocol/ssh/ssh_proxy.cpp b/server/tp_core/protocol/ssh/ssh_proxy.cpp
index beb9ca7..4158243 100644
--- a/server/tp_core/protocol/ssh/ssh_proxy.cpp
+++ b/server/tp_core/protocol/ssh/ssh_proxy.cpp
@@ -69,7 +69,7 @@ bool SshProxy::init(void)
 }
 
 void SshProxy::timer(void) {
-	EXLOGV("[ssh] on-timer.\n");
+	// EXLOGV("[ssh] on-timer.\n");
 }
 
 void SshProxy::_thread_loop(void)