diff --git a/data/src/hello/main.go b/data/src/hello/main.go
index b52696a..4b8553a 100644
--- a/data/src/hello/main.go
+++ b/data/src/hello/main.go
@@ -2,11 +2,8 @@ package main
 
 import (
 	"fmt"
-	"time"
 )
 
 func main() {
-		fmt.Println("Hello, 世界")
-
-		time.Sleep(time.Second)
+	fmt.Println("Hello, 世界")
 }
diff --git a/data/src/hello/main1.go b/data/src/hello/main1.go
deleted file mode 100644
index b52696a..0000000
--- a/data/src/hello/main1.go
+++ /dev/null
@@ -1,12 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"time"
-)
-
-func main() {
-		fmt.Println("Hello, 世界")
-
-		time.Sleep(time.Second)
-}
diff --git a/data/src/time/time.go b/data/src/time/time.go
new file mode 100644
index 0000000..4b8553a
--- /dev/null
+++ b/data/src/time/time.go
@@ -0,0 +1,9 @@
+package main
+
+import (
+	"fmt"
+)
+
+func main() {
+	fmt.Println("Hello, 世界")
+}