Milestone tooltip internationalistation

src/components/MilestonePoint.vue

@@ -504,7 +504,7 @@ const formatDisplayDate = (dateStr: string): string => {
 const tooltipContent = computed(() => {
   const milestoneName = props.name || props.milestone?.name || t('milestone')
   const targetDate = formatDisplayDate(props.date || props.milestone?.startDate || '')
-  return `${t('milestone')}：${milestoneName} - ${t('targetDate')}：${targetDate}`
+  return `${t('milestone')}：${milestoneName} <br> ${t('targetDate')}：${targetDate}`
 })
 
 // 组件销毁时清理事件监听器
@@ -688,8 +688,7 @@ const calculateMilestonePositionFromTimelineData = (
         top: `${tooltipPosition.y}px`,
       }"
     >
-      <div class="tooltip-content">
-        {{ tooltipContent }}
+      <div class="tooltip-content" v-html="tooltipContent">
       </div>
     </div>
   </Teleport>