diff --git a/tests/test-all.sh b/tests/test-all.sh
index b91440c7c6a7e3e9e95973be62144d4cb741a4cd..7cd08e251002fb282cd59f68b9e938a001e62116 100755
--- a/tests/test-all.sh
+++ b/tests/test-all.sh
@@ -24,12 +24,12 @@ function stopTaosd {
 
 function dohavecore(){
   corefile=`find $corepath -mmin 1`  
-  proc=`echo $corefile|cut -d "_" -f2`
+  proc=`echo $corefile|cut -d "_" -f3`
   if [ -n "$corefile" ];then
     echo 'taosd or taos has generated core'
-    echo '\n'|gdb /usr/local/taos/bin/$proc $corepath/$corefile -ex "bt 10" -ex quit
     tar zcvf $corepath/taos_`date "+%Y_%m_%d_%H:%M:%S"`.tar.gz /usr/local/taos
     if [[ $1 == 1 ]];then
+      echo '\n'|gdb /usr/local/taos/bin/$proc $corepath/$corefile -ex "bt 10" -ex quit
       exit 8
     fi
   fi