diff --git a/tools/export_model.py b/tools/export_model.py
index e971f6cb2..c0cbcd361 100755
--- a/tools/export_model.py
+++ b/tools/export_model.py
@@ -17,7 +17,7 @@ import sys
 
 __dir__ = os.path.dirname(os.path.abspath(__file__))
 sys.path.append(__dir__)
-sys.path.append(os.path.abspath(os.path.join(__dir__, "..")))
+sys.path.insert(0, os.path.abspath(os.path.join(__dir__, "..")))
 
 import argparse
 
diff --git a/tools/infer_rec.py b/tools/infer_rec.py
index 193e24a4d..a08fa25b4 100755
--- a/tools/infer_rec.py
+++ b/tools/infer_rec.py
@@ -157,7 +157,7 @@ def main():
 
             if info is not None:
                 logger.info("\t result: {}".format(info))
-                fout.write(file + "\t" + info)
+                fout.write(file + "\t" + info + "\n")
     logger.info("success!")