diff --git a/lite-python/demo/Hi3861/test.c b/lite-python/demo/Hi3861/test.c
index 6a854b3bc144244f7273eff92fc3a1da1bf0edda..0545e0a49fe15b921275b19491a8326e2ddba0be 100755
--- a/lite-python/demo/Hi3861/test.c
+++ b/lite-python/demo/Hi3861/test.c
@@ -25,6 +25,7 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
 
 *****************************************************************************/
+shijian
 const char* c_math_py = 
 {
 "import math\r\n"
@@ -283,4 +284,4 @@ const char* c_another_py =
                                                         "\r\n"
 "    def SayHello(self):"                               "\r\n"
 "        print(\'My name is:\', self.name)"             "\r\n"
-};
\ No newline at end of file
+};
diff --git a/lite-python/dtpython.c b/lite-python/dtpython.c
index 19df0abb4b54845ed664d3b01458cae4cb7f2f87..3e8dab43ce5a1a46c0066233d5269384b86b54f8 100755
--- a/lite-python/dtpython.c
+++ b/lite-python/dtpython.c
@@ -1,31 +1,4 @@
-/****************************************************************************
-
-MIT License
-
-Copyright (c) 2021 唐佐林
-WeChat : delphi_tang
-EMail: delphi_tang@dt4sw.com
-
-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.
-
-*****************************************************************************/
-
+shijian
 #include "py/compile.h"
 #include "py/runtime.h"
 #include "py/repl.h"