diff --git a/run.sh b/run.sh
index d64ea33..4663e34 100644
--- a/run.sh
+++ b/run.sh
@@ -16,12 +16,11 @@ then
   then
     echo 'kill $pid success'
     rm -f *.pid
-    run()
+    run
   else
     echo 'kill $pid error'
   fi
 else
-  yarn
-  run()
+  run
 fi