diff --git a/lite-python/LICENSE b/lite-python/LICENSE
deleted file mode 100755
index 83dc9ad315dc0ec0fdaaa015e9b061d6a5f148e5..0000000000000000000000000000000000000000
--- a/lite-python/LICENSE
+++ /dev/null
@@ -1,21 +0,0 @@
-MIT License
-
-Copyright (c) 2020 唐佐林
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
diff --git a/lite-python/license_1.c b/lite-python/license_1.c
new file mode 100755
index 0000000000000000000000000000000000000000..0f40066dbcf795a613c767b3f9e1526701a66144
--- /dev/null
+++ b/lite-python/license_1.c
@@ -0,0 +1,149 @@
+/****************************************************************************
+
+MIT License
+
+
+*****************************************************************************/
+
+/*
+  =======================================================================================
+  File: 
+        dtpython.c
+
+  Description: 
+        The implementation of the interface for using Python in C code.
+
+  Author:
+       Delphi Tang (唐佐林)
+       http://www.dt4sw.com/
+
+  Revision History:
+       V0.1.0 (Initial Version)
+  =======================================================================================
+*/
+
+#2021 tesst for license
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "py/compile.h"
+#include "py/runtime.h"
+#include "py/repl.h"
+#include "py/gc.h"
+#include "py/mperrno.h"
+#include "lib/utils/pyexec.h"
+
+#if MICROPY_ENABLE_COMPILER
+static void do_str(const char *src, mp_parse_input_kind_t input_kind) {
+    nlr_buf_t nlr;
+    if (nlr_push(&nlr) == 0) {
+        mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_, src, strlen(src), 0);
+        qstr source_name = lex->source_name;
+        mp_parse_tree_t parse_tree = mp_parse(lex, input_kind);
+        mp_obj_t module_fun = mp_compile(&parse_tree, source_name, true);
+        mp_call_function_0(module_fun);
+        nlr_pop();
+    } else {
+        // uncaught exception
+        mp_obj_print_exception(&mp_plat_print, (mp_obj_t)nlr.ret_val);
+    }
+}
+
+static void do_file(const char *filename) {
+    FILE* fp = fopen(filename, "r");
+
+    if( fp != NULL )
+    {
+        char* buf = NULL;
+        long len = 0;
+
+        fseek(fp, 0, SEEK_END);
+
+        len = ftell(fp);
+
+        fseek(fp, 0, SEEK_SET);
+
+        if( (buf = (char*)malloc(len + 1)) != NULL )
+        {
+            len = fread(buf, 1, len, fp);
+            buf[len] = 0;
+
+            do_str(buf, MP_PARSE_FILE_INPUT);
+        }
+
+        free(buf);
+    }
+
+    fclose(fp);
+}
+#endif
+
+static char *stack_top;
+#if MICROPY_ENABLE_GC
+static char heap[10240];
+#endif
+
+#if MICROPY_ENABLE_GC
+void gc_collect(void) {
+    // WARNING: This gc_collect implementation doesn't try to get root
+    // pointers from CPU registers, and thus may function incorrectly.
+    void *dummy;
+    gc_collect_start();
+    gc_collect_root(&dummy, ((mp_uint_t)stack_top - (mp_uint_t)&dummy) / sizeof(mp_uint_t));
+    gc_collect_end();
+    gc_dump_info();
+}
+#endif
+
+void nlr_jump_fail(void *val) {
+    while (1) {
+        ;
+    }
+}
+
+mp_lexer_t *mp_lexer_new_from_file(const char *filename) {
+    mp_raise_OSError(MP_ENOENT);
+}
+
+mp_import_stat_t mp_import_stat(const char *path) {
+    return MP_IMPORT_STAT_NO_EXIST;
+}
+
+mp_obj_t mp_builtin_open(size_t n_args, const mp_obj_t *args, mp_map_t *kwargs) {
+    return mp_const_none;
+}
+
+MP_DEFINE_CONST_FUN_OBJ_KW(mp_builtin_open_obj, 1, mp_builtin_open);
+
+void DTPython_Init()
+{
+    int stack_dummy;
+    stack_top = (char *)&stack_dummy;
+
+    gc_init(heap, heap + sizeof(heap));
+
+    mp_init();
+}
+
+void DTPython_RunFile(const char* file)
+{
+    if(file != NULL)
+    {
+        do_file(file);
+    }
+}
+
+void DTPython_RunCode(const char* statement)
+{
+    if( statement != NULL )
+    {
+        do_str(statement, MP_PARSE_FILE_INPUT);
+    }
+}
+
+void DTPython_Deinit()
+{
+    mp_deinit();
+}