diff --git a/python/paddle/trainer_config_helpers/tests/configs/run_tests.sh b/python/paddle/trainer_config_helpers/tests/configs/run_tests.sh
index 72dd55bb67a8f93a656ccc0bb422fd383c5a464c..e984ee70625456241b3cfe6202fdadaa3807d33c 100755
--- a/python/paddle/trainer_config_helpers/tests/configs/run_tests.sh
+++ b/python/paddle/trainer_config_helpers/tests/configs/run_tests.sh
@@ -31,7 +31,7 @@ else
   done
 
   for file in ${whole_configs[*]}
-do
+  do
     if ! $1 $protostr/$file.protostr $protostr/$file.protostr.unittest --whole; then
       diff $protostr/$file.protostr $protostr/$file.protostr.unittest -u
     fi