diff --git a/demo/000000570688.jpg b/demo/000000570688.jpg
index c8946564c0b93d8319f9a2105852ac67215564d4..cb304bd56c4010c08611a30dcca58ea9140cea54 100644
Binary files a/demo/000000570688.jpg and b/demo/000000570688.jpg differ
diff --git a/demo/output/000000570688.jpg b/demo/output/000000570688.jpg
index ff9b27f2da5140e61b9ca5f81790d126cb5832eb..8a0f84f38331093a0e1afc52d4b7747535bdbb6d 100644
Binary files a/demo/output/000000570688.jpg and b/demo/output/000000570688.jpg differ
diff --git a/docs/INSTALL.md b/docs/INSTALL.md
index 3072b336e9e90338ba85263978b59138ca340191..2941ec02be1177fadc3f2fd2eba1efb69d10c590 100644
--- a/docs/INSTALL.md
+++ b/docs/INSTALL.md
@@ -20,7 +20,7 @@ For general information about PaddleDetection, please see [README.md](../README.
 
 ## PaddlePaddle
 
-Running PaddleDetection requires PaddlePaddle Fluid v.1.5 and later. please follow the instructions in [installation document](http://www.paddlepaddle.org/documentation/docs/en/1.4/beginners_guide/install/index_en.html).
+Running PaddleDetection requires PaddlePaddle Fluid v.1.5 and later. please follow the instructions in [installation document](http://www.paddlepaddle.org.cn/).
 
 Please make sure your PaddlePaddle installation was successful and the version
 of your PaddlePaddle is not lower than required. Verify with the following commands.
diff --git a/tools/infer.py b/tools/infer.py
index 35e35ba3a66b947c76481ce4badeea7fe7abbdd6..63269d97bdbd0dc3924342b8a2931d5657d3ea56 100644
--- a/tools/infer.py
+++ b/tools/infer.py
@@ -171,7 +171,7 @@ def main():
                                       mask_results, is_bbox_normalized)
             save_name = get_save_image_name(FLAGS.output_dir, image_path)
             logger.info("Detection bbox results save in {}".format(save_name))
-            image.save(save_name)
+            image.save(save_name, quality=95)
 
 
 if __name__ == '__main__':