diff --git a/examples/main.go b/examples/main.go
index 0d28879..8edac1c 100644
--- a/examples/main.go
+++ b/examples/main.go
@@ -77,4 +77,4 @@ func main() {
 	wg.Wait()
 	fmt.Printf("running goroutines: %d\n", p.Running())
 	fmt.Printf("finish all tasks, result is %d\n", sum)
-}
+}
\ No newline at end of file