diff --git a/flossom-ui/src/views/system/mode/index.vue b/flossom-ui/src/views/system/mode/index.vue
index ed012c3..d1aa276 100644
--- a/flossom-ui/src/views/system/mode/index.vue
+++ b/flossom-ui/src/views/system/mode/index.vue
@@ -1206,7 +1206,7 @@ export default {
       let hour = 0;
       let min = 0;
       let startTimeArray = [];
-      if(this.form.modeTime) {
+      if(this.form.modeTime>=0) {
         if(this.form.modeTime > 60) {
           hour = this.form.modeTime / 60 ;
           min = this.form.modeTime % 60 ;