diff --git a/doc/recognition.md b/doc/recognition.md
index a7393cd6d78b24a97146f1996e92f1de1c41f661..a5a8119c56a34a221cb0441716b1a875caddb897 100644
--- a/doc/recognition.md
+++ b/doc/recognition.md
@@ -184,7 +184,7 @@ python3 tools/eval.py -c configs/rec/rec_chinese_lite_train.yml -o Global.checkp
 
 ```
 # 预测英文结果
-python3 tools/infer_rec.py -c configs/rec/rec_chinese_lite_train.yml -o Global.checkpoints={path/to/weights}/best_accuracy TestReader.infer_img=doc/imgs_word/en/word_1.jpg
+python3 tools/infer_rec.py -c configs/rec/rec_chinese_lite_train.yml -o Global.checkpoints={path/to/weights}/best_accuracy TestReader.infer_img=doc/imgs_words/en/word_1.jpg
 ```
 
 预测图片：
@@ -204,7 +204,7 @@ infer_img: doc/imgs_words/en/word_1.png
 
 ```
 # 预测中文结果
-python3 tools/infer_rec.py -c configs/rec/rec_chinese_lite_train.yml -o Global.checkpoints={path/to/weights}/best_accuracy TestReader.infer_img=doc/imgs_word/ch/word_1.jpg
+python3 tools/infer_rec.py -c configs/rec/rec_chinese_lite_train.yml -o Global.checkpoints={path/to/weights}/best_accuracy TestReader.infer_img=doc/imgs_words/ch/word_1.jpg
 ```
 
 预测图片：
diff --git a/tools/export_model.py b/tools/export_model.py
index 11a2744b399d6db2e1b07d258062ad1a47548ffb..555ba7b0e43c0b2479fa8ea92bc1c541f4805269 100644
--- a/tools/export_model.py
+++ b/tools/export_model.py
@@ -31,7 +31,7 @@ def set_paddle_flags(**kwargs):
 
 # NOTE(paddle-dev): All of these flags should be
 # set before `import paddle`. Otherwise, it would
-# not take any effect. 
+# not take any effect.
 set_paddle_flags(
     FLAGS_eager_delete_tensor_gb=0,  # enable GC to save memory
 )
@@ -52,7 +52,7 @@ def main():
 
     # check if set use_gpu=True in paddlepaddle cpu version
     use_gpu = config['Global']['use_gpu']
-    program.check_gpu(True)
+    program.check_gpu(use_gpu)
 
     alg = config['Global']['algorithm']
     assert alg in ['EAST', 'DB', 'Rosetta', 'CRNN', 'STARNet', 'RARE']