diff --git a/packages/nc-gui/components/smartsheet/calendar/VRecordCard.vue b/packages/nc-gui/components/smartsheet/calendar/VRecordCard.vue
index e12595ea29..af1df3a51c 100644
--- a/packages/nc-gui/components/smartsheet/calendar/VRecordCard.vue
+++ b/packages/nc-gui/components/smartsheet/calendar/VRecordCard.vue
@@ -44,7 +44,7 @@ const emit = defineEmits(['resize-start'])
         'bg-pink-500': color === 'pink',
         'bg-purple-500': color === 'purple',
       }"
-      class="h-full min-h-9 w-1.25 -ml-0.25 rounded-l-md"
+      class="h-full min-h-3 w-1.25 -ml-0.25 rounded-l-md"
     ></div>
 
     <div class="flex overflow-x-hidden whitespace-nowrap text-ellipsis pt-1 w-full truncate text-ellipsis flex-col gap-1">
diff --git a/packages/nc-gui/components/smartsheet/calendar/WeekView/DateTimeField.vue b/packages/nc-gui/components/smartsheet/calendar/WeekView/DateTimeField.vue
index f6e4374e92..61d66663fb 100644
--- a/packages/nc-gui/components/smartsheet/calendar/WeekView/DateTimeField.vue
+++ b/packages/nc-gui/components/smartsheet/calendar/WeekView/DateTimeField.vue
@@ -596,14 +596,24 @@ const onResize = (event: MouseEvent) => {
   let isValid = true
 
   if (resizeDirection.value === 'right') {
+    const minEndDate = ogStartDate.add(1, 'hour')
     newDate = baseDate.isBefore(ogStartDate)
       ? ogStartDate.add(Math.ceil(ogStartDate.diff(baseDate, 'minute') / 15) * 15, 'minute')
       : baseDate
+
+    if (newDate.isBefore(minEndDate)) {
+      newDate = minEndDate
+    }
     updateProperty = toCol.title
   } else if (resizeDirection.value === 'left') {
+    const minStartDate = ogEndDate.subtract(1, 'hour')
     newDate = baseDate.isAfter(ogEndDate)
       ? ogEndDate.subtract(Math.ceil(baseDate.diff(ogEndDate, 'minute') / 15) * 15, 'minute')
       : baseDate
+
+    if (newDate.isAfter(minStartDate)) {
+      newDate = minStartDate
+    }
     updateProperty = fromCol.title
   } else {
     isValid = false