diff --git a/run.sh b/run.sh
index f344496..deff925 100644
--- a/run.sh
+++ b/run.sh
@@ -9,14 +9,14 @@ function run(){
   touch $pid.log && chmod +x $pid.log
 }
 
-if [ -e *.pid ]
+if [ -e *.log ]
 then
-  pid=`stat *.pid|awk 'NR>1{next}{c=$0;gsub(/\D/,"",c);print c}'`
+  pid=`stat *.log|awk 'NR>1{next}{c=$0;gsub(/\D/,"",c);print c}'`
   kill -9 pid
   if [ $? -eq 0 ]
   then
     echo 'kill $pid success'
-    rm -f *.pid
+    rm -f *.log
     run
   else
     echo 'kill $pid error'