diff --git a/benchmark/paddle/image/run_mkldnn.sh b/benchmark/paddle/image/run_mkldnn.sh
index 5b0a0373448e5b81ff0718db3465a4694690ec37..b6cd6fe03b381d2b6529116f934ce7ce03d63546 100755
--- a/benchmark/paddle/image/run_mkldnn.sh
+++ b/benchmark/paddle/image/run_mkldnn.sh
@@ -9,11 +9,9 @@ function train() {
   bs=$2
   use_mkldnn=$3
   if [ $3 == "True" ]; then
-    use_mkldnn=$3
     thread=1
     log="logs/${topology}-mkldnn-${bs}.log"
   elif [ $3 == "False" ]; then
-    use_mkldnn=$3
     thread=`nproc`
     log="logs/${topology}-${thread}mklml-${bs}.log"
   else
@@ -39,8 +37,7 @@ if [ ! -d "logs" ]; then
   mkdir logs
 fi
 
-#========= mkldnn =========#
-# vgg
+#========== mkldnn ==========#
 train vgg 64 True
 train vgg 128 True
 train vgg 256 True