diff --git a/.gitignore b/.gitignore
index fda328a..32fc287 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,3 +18,4 @@ build/
 
 # model
 *.bin
+*.tiktoken
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 407a88b..7c16a2c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,7 @@
 cmake_minimum_required(VERSION 3.12)
 project(qwen.cpp VERSION 0.0.1 LANGUAGES CXX)
 
+set(CMAKE_POSITION_INDEPENDENT_CODE ON) 
 set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib CACHE STRING "")
 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib CACHE STRING "")
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin CACHE STRING "")