diff --git a/core/my_basic.c b/core/my_basic.c
index 2fae140..05ed017 100755
--- a/core/my_basic.c
+++ b/core/my_basic.c
@@ -146,6 +146,14 @@ extern "C" {
 #	define toupper(__c) (islower(__c) ? ((__c) - 'a' + 'A') : (__c))
 #endif /* toupper */
 
+#ifndef _mb_unaligned
+#	if defined MB_CP_VC && defined MB_OS_WIN64
+#		define _mb_unaligned __unaligned
+#	else
+#		define _mb_unaligned
+#	endif
+#endif /* _mb_unaligned */
+
 #define _COPY_BYTES(__l, __r) do { memcpy((__l), (__r), sizeof(mb_val_bytes_t)); } while(0)
 
 #define _mb_check(__expr, __exit) do { if((__expr) != MB_FUNC_OK) goto __exit; } while(0)
@@ -1143,7 +1151,7 @@ static _ls_node_t* _ls_insert_at(_ls_node_t* list, int index, void* data);
 static unsigned int _ls_remove(_ls_node_t* list, _ls_node_t* node, _ls_operation op);
 static unsigned int _ls_try_remove(_ls_node_t* list, void* info, _ls_compare cmp, _ls_operation op);
 static unsigned int _ls_foreach(_ls_node_t* list, _ls_operation op);
-static _ls_node_t* _ls_sort(_ls_node_t** list, _ls_compare cmp);
+static _ls_node_t* _ls_sort(_ls_node_t* _mb_unaligned * list, _ls_compare cmp);
 static unsigned _ls_count(_ls_node_t* list);
 static bool_t _ls_empty(_ls_node_t* list);
 static void _ls_clear(_ls_node_t* list);
@@ -1695,7 +1703,7 @@ static void _unlink_meta_class(mb_interpreter_t* s, _class_t* derived);
 static int _unlink_meta_instance(void* data, void* extra, _class_t* derived);
 static int _clone_clsss_field(void* data, void* extra, void* n);
 static bool_t _clone_class_meta_link(_class_t* meta, void* n, void* ret);
-static int _search_class_meta_function(mb_interpreter_t* s, _class_t* instance, const char* n, _routine_t** f);
+static int _search_class_meta_function(mb_interpreter_t* s, _class_t* instance, const char* n, _routine_t* _mb_unaligned * f);
 static int _search_class_hash_and_compare_functions(mb_interpreter_t* s, _class_t* instance);
 static bool_t _is_a_class(_class_t* instance, void* m, void* ret);
 static bool_t _add_class_meta_reachable(_class_t* meta, void* ht, void* ret);
@@ -2413,7 +2421,7 @@ static unsigned int _ls_foreach(_ls_node_t* list, _ls_operation op) {
 	return idx;
 }
 
-static _ls_node_t* _ls_sort(_ls_node_t** list, _ls_compare cmp) {
+static _ls_node_t* _ls_sort(_ls_node_t* _mb_unaligned * list, _ls_compare cmp) {
 	/* Copyright 2001 Simon Tatham, http://www.chiark.greenend.org.uk/~sgtatham/algorithms/listsort.c */
 	bool_t is_circular = false, is_double = true;
 	_ls_node_t* p, * q, * e, * tail, * oldhead;
@@ -7680,7 +7688,7 @@ static bool_t _clone_class_meta_link(_class_t* meta, void* n, void* ret) {
 }
 
 /* Search for a meta function with a specific name and assign to a member field */
-static int _search_class_meta_function(mb_interpreter_t* s, _class_t* instance, const char* n, _routine_t** f) {
+static int _search_class_meta_function(mb_interpreter_t* s, _class_t* instance, const char* n, _routine_t* _mb_unaligned * f) {
 	_ls_node_t* node = 0;
 
 	mb_assert(s);
diff --git a/core/my_basic.h b/core/my_basic.h
index 561fb2d..92d7dc7 100755
--- a/core/my_basic.h
+++ b/core/my_basic.h
@@ -62,8 +62,12 @@ extern "C" {
 #	define MB_CP_UNKNOWN
 #endif /* Compiler dependent macro */
 
-#if defined _WIN32 || defined _WIN64
+#if defined _WIN64
 #	define MB_OS_WIN
+#	define MB_OS_WIN64
+#elif defined _WIN32
+#	define MB_OS_WIN
+#	define MB_OS_WIN32
 #elif defined __APPLE__
 #	include <TargetConditionals.h>
 #	define MB_OS_APPLE
diff --git a/output/my_basic.exe b/output/my_basic.exe
index 4019410..1d3c562 100755
Binary files a/output/my_basic.exe and b/output/my_basic.exe differ
diff --git a/shell/main.c b/shell/main.c
index 863ec88..2845c06 100755
--- a/shell/main.c
+++ b/shell/main.c
@@ -953,16 +953,16 @@ static void _show_tip(void) {
 
 static void _show_help(void) {
 	_printf("Modes:\n");
-	_printf("  %s           - Start interactive mode without arguments\n", _BIN_FILE_NAME);
+	_printf("  %s           - Launch interactive mode\n", _BIN_FILE_NAME);
 	_printf("  %s *.*       - Load and run a file\n", _BIN_FILE_NAME);
-	_printf("  %s -e \"expr\" - Evaluate an expression directly\n", _BIN_FILE_NAME);
+	_printf("  %s -e \"expr\" - Evaluate an expression\n", _BIN_FILE_NAME);
 	_printf("\n");
 	_printf("Options:\n");
 	_printf("  -h         - Show help information\n");
 #if _USE_MEM_POOL
 	_printf("  -p n       - Set memory pool threashold size, n is size in bytes\n");
 #endif /* _USE_MEM_POOL */
-	_printf("  -f \"dirs\"  - Set importing directories, separated by semicolon\n");
+	_printf("  -f \"dirs\"  - Set importing directories, separated with \";\" for more than one\n");
 	_printf("\n");
 	_printf("Interactive commands:\n");
 	_printf("  HELP  - View help information\n");
@@ -982,7 +982,7 @@ static void _show_help(void) {
 	_printf("          Usage: SAVE *.*\n");
 	_printf("  KILL  - Delete a file\n");
 	_printf("          Usage: KILL *.*\n");
-	_printf("  DIR   - List a directory\n");
+	_printf("  DIR   - List all files in a directory\n");
 	_printf("          Usage: DIR [p], p is a directory path\n");
 }