diff --git a/validate.py b/validate.py
index 289ec30853aad004970b541d436a0a005a8656f1..4978a995d96bad226f288bb89a348d826153ecd4 100644
--- a/validate.py
+++ b/validate.py
@@ -38,8 +38,10 @@ def compare_output(output_name, mace_out_value, out_value):
       print '=======================Similarity Test Passed======================'
     else:
       print '=======================Similarity Test Failed======================'
+      sys.exit(-1)
   else:
     print '=======================Skip empty node==================='
+    sys.exit(-1)
 
 
 def validate_tf_model(input_names, input_shapes, output_names):
diff --git a/validate_tools.sh b/validate_tools.sh
index b400faa50d3eba0a321468e32a22d9e96756adf3..78dfce7550ee7658ac78a3f2c2ee84d029f810ad 100644
--- a/validate_tools.sh
+++ b/validate_tools.sh
@@ -35,7 +35,7 @@ if [ "$PLATFORM" == "tensorflow" ];then
     for NAME in "${OUTPUT_NAMES[@]}";do
       FORMATTED_NAME=$(sed s/[^[:alnum:]]/_/g <<< ${NAME})
       rm -rf ${MODEL_OUTPUT_DIR}/${OUTPUT_FILE_NAME}_${FORMATTED_NAME}
-      adb </dev/null pull ${PHONE_DATA_DIR}/${OUTPUT_FILE_NAME}_${FORMATTED_NAME} ${MODEL_OUTPUT_DIR}
+      adb pull ${PHONE_DATA_DIR}/${OUTPUT_FILE_NAME}_${FORMATTED_NAME} ${MODEL_OUTPUT_DIR} > /dev/null
     done
   fi
   python tools/validate.py --platform=tensorflow \
@@ -77,7 +77,7 @@ elif [ "$PLATFORM" == "caffe" ];then
     for NAME in "${OUTPUT_NAMES[@]}";do
       FORMATTED_NAME=$(sed s/[^[:alnum:]]/_/g <<< ${NAME})
       rm -rf ${MODEL_OUTPUT_DIR}/${OUTPUT_FILE_NAME}_${FORMATTED_NAME}
-      adb pull ${PHONE_DATA_DIR}/${OUTPUT_FILE_NAME}_${FORMATTED_NAME} ${MODEL_OUTPUT_DIR}
+      adb pull ${PHONE_DATA_DIR}/${OUTPUT_FILE_NAME}_${FORMATTED_NAME} ${MODEL_OUTPUT_DIR} > /dev/null
     done
   fi
   for NAME in "${OUTPUT_NAMES[@]}";do
@@ -99,6 +99,6 @@ elif [ "$PLATFORM" == "caffe" ];then
     --input_node ${INPUT_NODES} \
     --output_node ${OUTPUT_NODES} \
     --input_shape ${INPUT_SHAPES} \
-    --output_shape ${OUTPUT_SHAPES}
+    --output_shape ${OUTPUT_SHAPES} || exit 1
 
 fi