diff --git a/src/views/attendance/statistics.vue b/src/views/attendance/statistics.vue
index 821da73..c678556 100644
--- a/src/views/attendance/statistics.vue
+++ b/src/views/attendance/statistics.vue
@@ -57,7 +57,7 @@
                   ✔️
                 </div>
 
-                <div v-else-if="(row.attendance[item.date].hasOwnProperty('0')) && row.attendance[item.date]['0'].sign_in_at">
+                <div v-else-if="hasAttendanceClock(row.attendance[item.date], 'sign_in_at')">
                   ✔️
                 </div>
                 <div v-else>
@@ -81,7 +81,7 @@
                   ✔️
                 </div>
 
-                <div v-else-if="(row.attendance[item.date].hasOwnProperty('0')) && row.attendance[item.date]['0'].sign_out_at">
+                <div v-else-if="hasAttendanceClock(row.attendance[item.date], 'sign_out_at')">
                   ✔️
                 </div>
                 <div v-else>
@@ -204,6 +204,15 @@ export default {
         console.error(err)
       }
     },
+    hasAttendanceClock(dayAttendance, field) {
+      if (!dayAttendance) {
+        return false
+      }
+      if (dayAttendance[field]) {
+        return true
+      }
+      return Object.prototype.hasOwnProperty.call(dayAttendance, '0') && dayAttendance['0'] && dayAttendance['0'][field]
+    },
     openConfirmDialog() {
       this.confirmForm = {
         department_id: this.my_department_id,