diff --git a/tests/test-all.sh b/tests/test-all.sh
index 47e5de6aa0bd9821f6c30ba0dce6c03952f0a8a6..997894c509bd4b46552b5e0c36d952220873a85c 100755
--- a/tests/test-all.sh
+++ b/tests/test-all.sh
@@ -66,7 +66,7 @@ function runSimCaseOneByOne {
         echo -e "${RED} failed${NC}" | tee -a out.log
       else
         echo -n $case
-        ./test.sh -f $case > /dev/null 2>&1 && \
+        ./test.sh -f $case  && \
         ( grep -q 'script.*'$case'.*failed.*, err.*lineNum' ../../sim/tsim/log/taoslog0.0 && echo -e "${RED} failed${NC}" | tee -a out.log  ||  echo -e "${GREEN} success${NC}" | tee -a out.log )|| \
         ( grep -q 'script.*success.*m$' ../../sim/tsim/log/taoslog0.0 && echo -e "${GREEN} success${NC}" | tee -a out.log )  || \
         echo -e "${RED} failed${NC}" | tee -a out.log