diff --git a/test_tipc/prepare.sh b/test_tipc/prepare.sh
index d97f3b07350629efbebc60975ae4a8f24b72051a..448950399273253afee98e16d451c626399dd2ed 100644
--- a/test_tipc/prepare.sh
+++ b/test_tipc/prepare.sh
@@ -350,8 +350,8 @@ elif [ ${MODE} = "whole_infer" ];then
     python_name_list=$(func_parser_value "${lines[2]}")
     array=(${python_name_list}) 
     python_name=${array[0]}
-    ${python_name} -m pip install paddleslim
-    ${python_name} -m pip install -r requirements.txt 
+    ${python_name} -m pip install paddleslim --force-reinstall
+    ${python_name} -m pip install -r requirements.txt
     wget -nc -P ./inference https://paddleocr.bj.bcebos.com/dygraph_v2.0/test/ch_det_data_50.tar --no-check-certificate
     wget -nc -P ./inference/ https://paddleocr.bj.bcebos.com/dygraph_v2.0/test/rec_inference.tar --no-check-certificate
     cd ./inference && tar xf rec_inference.tar  && tar xf ch_det_data_50.tar && cd ../