diff --git a/src/utils/date-util.js b/src/utils/date-util.js
index 281593e8..93f99872 100644
--- a/src/utils/date-util.js
+++ b/src/utils/date-util.js
@@ -122,7 +122,7 @@ export function xAxisTimeFormatter (value) {
     (date.getMinutes() < 10 ? `0${date.getMinutes()}` : date.getMinutes())
   // 如果是一天的开始
   if (date.getTime() === dayStart.getTime()) {
-    return '{day|' + dateFormat(date, 'YYYY-MM-DD\nHH:mm') + '}'
+    return '{day|' + dateFormat(date, 'YYYY-MM-DD') + '}'
   } else if (date.getTime() === hourStart.getTime()) {
     return '{hour|' + HHmm + '}'
   } else {