diff --git a/util.go b/util.go
new file mode 100644
index 0000000..ee29ebf
--- /dev/null
+++ b/util.go
@@ -0,0 +1,27 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+)
+
+func CheckErr(err error) bool {
+	if err != nil {
+		log.Println(err)
+		fmt.Println("error: ", err.Error())
+		panic(err)
+		return false
+	}
+	return true
+}
+func FileExist(Path string) bool {
+	if _, err := os.Stat(Path); err != nil {
+		if os.IsNotExist(err) {
+			return false
+		} else {
+			CheckErr(err)
+		}
+	}
+	return true
+}