diff --git a/.vscode/settings.json b/.vscode/settings.json
index 72b65692085f624e7f1d5cefc6499181f23e66ab..1de93f55e29b31f1d925c4871435ba30b6cc0257 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -3,6 +3,8 @@
         "algorithm": "c",
         "new": "c",
         "lprefix.h": "c",
-        "lstate.h": "c"
+        "lstate.h": "c",
+        "lua.h": "c",
+        "lauxlib.h": "c"
     }
 }
\ No newline at end of file
diff --git a/src/lua_2.c b/src/lua_2.c
new file mode 100644
index 0000000000000000000000000000000000000000..69727ed9134b5205100a24a1b8f9426987aaa6f9
--- /dev/null
+++ b/src/lua_2.c
@@ -0,0 +1,125 @@
+/*
+仿写的lua.c
+*/
+#define lua_c
+#include "lprefix.h"
+#include<signal.h>
+#include<stdio.h>
+#include<stdlib.h>
+#include<string.h>
+#include "lua.h"
+#include "lualib.h"
+#include "lauxlib.h"
+
+#if !defined(LUA_PROMPT)
+#define LUA_PROMPT "> "
+#define LUA_PROMT2 ">> "
+#endif 
+
+#if !defined(LUA_PROGNAME)
+#define LUA_PROGNAME "lua"
+#endif 
+
+#if !defined(LUA_MAXINPUT)
+#define LUA_MAXINPUT 512
+#endif 
+
+
+
+
+#if !defined(LUA_INIT_VAR)
+#define LUA_INIT_VAR "LUA_INIT"
+#endif 
+
+#define LUA_INITVARVERSION \
+ LUA_INIT_VAR "_" LUA_VERSION_MAJOR "_" LUA_VERSION_MINOR 
+
+
+
+#if !defined(lua_stdin_is_tty)
+#if defined(LUA_USE_POSIX)
+
+#include<unistd.h>
+#define lua_stdin_is_tty() isatty(0)
+
+#elif defined(LUA_USE_WINDOWS)
+
+#include<io.h>
+#define lua_stdin_is_tty() _isatty(_fileno(stdin))
+
+#else 
+//iso
+#define lua_stdin_is_tty() 1
+
+#endif 
+#endif 
+
+
+
+static lua_State* globalL = NULL;
+static const char* progname = LUA_PROGNAME;
+
+
+/*
+hook set by signal to stop the interpreter;
+*/
+
+static void lstop(lua_State* L, lua_Debug* ar) {
+    lua_sethook(L, NULL, 0, 0);
+    luaL_error(L, "interrupted!");
+}
+
+
+
+static void laction(int i) {
+    signal(i, SIG_DFL);
+    lua_sethook(globalL, lstop, LUA_MASKCALL | LUA_MASKRET | LUA_MASKCOUNT, 1);
+}
+
+
+
+static void print_usage(const char* badoption) {
+    lua_writestringerror("%s:", progname);
+    if(badoption[1] == 'e' || badoption[1] == 'l')
+      lua_writestringerror("'%s' needs argument\n",badoption);
+    else 
+       lua_writestringerror("unrecognized option '%s'\n",badoption);
+    lua_writestringerror(
+    "usgage: %s [options] [script [args]]\n"
+    "Available options are:\n"
+    " -e stat execute string 'stat'\n"
+    " -i      enter interactive mode after executing 'script'\n"
+    " -l name require library 'name'\n"
+    " -v      show version information\n"
+    " -E      ignore environment variables\n"
+    " --      stop handling options\n"
+    " -       stop handling options and execute stdin\n"
+    ,progname);
+}
+
+/*
+check whether 'status' is not OK and,if so,prints the error message on the top of the stack;
+*/
+static int report(lua_State* L,int status){
+    if(status != LUA_OK){
+        const char* msg=lua_tostring(L,-1);
+        l_message(progname, msg);
+        lua_pop(L, 1); /*remove message*/
+    }
+    return status;
+}
+
+
+/*
+message handler used to run all chunks;
+*/
+static int msghandler(lua_State* L){
+    const char*msg=lua_tostring(L, 1);
+    if(msg == NULL){
+
+    }
+    luaL_traceback(L, L , msg, 1);
+    return 1;
+}
+
+
diff --git a/win_msys2_install.sh b/win_msys2_install.sh
index de68a483a24f2141e26122434add29ec93eac7b6..d3213e06b0d904ef7467ec777f084ac02081503d 100644
--- a/win_msys2_install.sh
+++ b/win_msys2_install.sh
@@ -2,7 +2,7 @@
 
 ##export INSTALL_TOP=/d/D/install_dir/lua_v532  && make linux -j4 && make install && make clean
 ##export INSTALL_TOP=/d/D/install_dir/lua_v532  && make mingw -j4 && make install && make clean
-export INSTALL_TOP=/d/D/install_dir/lua_v532  && make generic -j4 && make install && make clean
+export INSTALL_TOP=/d/D/install_dir/my_lua_v532  && make generic -j4 && make install && make clean