diff --git a/src/utils/stringutils.js b/src/utils/stringutils.js
new file mode 100644
index 0000000..4ff753d
--- /dev/null
+++ b/src/utils/stringutils.js
@@ -0,0 +1,13 @@
+export function realFormatSecond(second) {
+  var secondType = typeof second
+  if (secondType === 'number' || secondType === 'string') {
+    second = parseInt(second)
+    var hours = Math.floor(second / 3600)
+    second = second - hours * 3600
+    var mimute = Math.floor(second / 60)
+    second = second - mimute * 60
+    return hours + ':' + ('0' + mimute).slice(-2) + ':' + ('0' + second).slice(-2)
+  } else {
+    return '0:00:00'
+  }
+}