diff --git a/src/utils.js b/src/utils.js
index 1dca58bb..f0f69767 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -64,6 +64,6 @@ export function timeDiff(begin_time, end_time) {
   //计算分钟数
   var remain = remain % 3600
   var mins = parseInt(remain / 60)
-  var res = Number((days + hours / 24).toFixed(1))
+  var res = Number(days)
   return res
 }