diff --git a/deploy/lite/readme.md b/deploy/lite/readme.md
index a9203933cb93ed3705dc509820c4c21d32e69f04..136658517d5170c0facd496832462c3b417b7452 100644
--- a/deploy/lite/readme.md
+++ b/deploy/lite/readme.md
@@ -100,6 +100,8 @@ Paddle-Lite 提供了多种策略来自动优化原始的模型，其中包括
 git clone https://github.com/PaddlePaddle/Paddle-Lite.git
 cd Paddle-Lite
 git checkout develop
+# 切换到固定的commit
+git reset --hard 55c53482bcdd2868373d024dd1144e4c5ec0e6b8
 # 启动编译
 ./lite/tools/build.sh build_optimize_tool
 ```
@@ -253,6 +255,8 @@ use_direction_classify  0  # 是否使用方向分类器，0表示不使用，1
  adb shell
  cd /data/local/tmp/debug
  export LD_LIBRARY_PATH=/data/local/tmp/debug:$LD_LIBRARY_PATH
+ export LD_LIBRARY_PATH=${PWD}:$LD_LIBRARY_PATH
+
  ./ocr_db_crnn ch_ppocr_mobile_v1.1_det_prune_opt.nb  ch_ppocr_mobile_v1.1_rec_quant_opt.nb  ch_ppocr_mobile_cls_quant_opt.nb  ./11.jpg  ppocr_keys_v1.txt
  ```
 
diff --git a/deploy/lite/readme_en.md b/deploy/lite/readme_en.md
index 7d547cc50136142304852bd963a52f5d7a2d9712..2c5572ca8db00ef9505e7a6c20605d1808f3f683 100644
--- a/deploy/lite/readme_en.md
+++ b/deploy/lite/readme_en.md
@@ -77,6 +77,8 @@ If the model to be deployed is not in the above table, you need to follow the st
 git clone https://github.com/PaddlePaddle/Paddle-Lite.git
 cd Paddle-Lite
 git checkout develop
+# switch to the specified commit
+git reset --hard 55c53482bcdd2868373d024dd1144e4c5ec0e6b8
 ./lite/tools/build.sh build_optimize_tool
 ```