diff --git a/src/views/mes/components/ScheduleGanttPanel.vue b/src/views/mes/components/ScheduleGanttPanel.vue
index bb19e14c..b6f96de6 100644
--- a/src/views/mes/components/ScheduleGanttPanel.vue
+++ b/src/views/mes/components/ScheduleGanttPanel.vue
@@ -3,31 +3,33 @@
     <div ref="ganttContainerRef" class="schedule-gantt-container" :style="{ height }"></div>
     <div class="schedule-detail-panel">
       <div class="schedule-detail-title">计划信息</div>
-      <el-descriptions :column="1" border size="small" v-if="activePreviewDevice">
-        <el-descriptions-item label="设备名称">{{ activePreviewDevice.deviceName }}</el-descriptions-item>
-        <el-descriptions-item label="设备ID">{{ activePreviewDevice.deviceId }}</el-descriptions-item>
-        <el-descriptions-item label="产能">{{ activePreviewDevice.ratedCapacity ?? '-' }}</el-descriptions-item>
-        <el-descriptions-item label="计划条数">{{ activePreviewDevice.plans?.length ?? 0 }}</el-descriptions-item>
-      </el-descriptions>
-      <el-empty v-else description="暂无计划信息" :image-size="80" />
-      <div class="schedule-plan-list-title">计划明细</div>
-      <div class="schedule-plan-list">
-        <div
-          v-for="(plan, index) in activePreviewDevice?.plans ?? []"
-          :key="`${activePreviewDevice?.deviceId}-${plan.taskDetailId}-${index}`"
-          :class="['schedule-plan-item', { 'schedule-plan-item-active': plan.sourceType === 'CURRENT' }]"
-        >
-          <div class="schedule-plan-item-head">
-            <span class="schedule-plan-item-title">{{ plan.productCode ?? '-' }} / {{ plan.productName ?? '-' }}</span>
+      <template v-if="activePreviewDevice">
+        <el-descriptions :column="1" border size="small">
+          <el-descriptions-item label="设备名称">{{ activePreviewDevice.deviceName }}</el-descriptions-item>
+          <el-descriptions-item label="设备ID">{{ activePreviewDevice.deviceId }}</el-descriptions-item>
+          <el-descriptions-item label="产能">{{ activePreviewDevice.ratedCapacity ?? '-' }}</el-descriptions-item>
+          <el-descriptions-item label="计划条数">{{ activePreviewDevice.plans?.length ?? 0 }}</el-descriptions-item>
+        </el-descriptions>
+        <div class="schedule-plan-list-title">计划明细</div>
+        <div class="schedule-plan-list">
+          <div
+            v-for="(plan, index) in activePreviewTask ? [activePreviewTask] : (activePreviewDevice?.plans ?? [])"
+            :key="`${activePreviewDevice?.deviceId}-${plan.taskDetailId}-${index}`"
+            :class="['schedule-plan-item', { 'schedule-plan-item-active': plan.sourceType === 'CURRENT' }]"
+          >
+            <div class="schedule-plan-item-head">
+              <span class="schedule-plan-item-title">{{ plan.productCode ?? '-' }} / {{ plan.productName ?? '-' }}</span>
+            </div>
+            <div>计划编码：{{ plan.taskCode ?? '-' }}</div>
+            <div>计划数量：{{ plan.planNumber ?? '-' }}</div>
+            <div>交货日期：{{ plan.deliveryDateStr ?? '-' }}</div>
+            <div>开始：{{ plan.planStartTimeStr || '-' }}</div>
+            <div>结束：{{ plan.planEndTimeStr || '-' }}</div>
+            <div>最晚开工：{{ plan.latestStartTimeStr || '-' }}</div>
           </div>
-          <div>计划编码：{{ plan.taskCode ?? '-' }}</div>
-          <div>计划数量：{{ plan.planNumber ?? '-' }}</div>
-          <div>交货日期：{{ plan.deliveryDateStr ?? '-' }}</div>
-          <div>开始：{{ plan.planStartTimeStr || '-' }}</div>
-          <div>结束：{{ plan.planEndTimeStr || '-' }}</div>
-          <div>最晚开工：{{ plan.latestStartTimeStr || '-' }}</div>
         </div>
-      </div>
+      </template>
+      <el-empty v-else description="暂无计划信息" :image-size="80" />
     </div>
   </div>
 
@@ -56,6 +58,24 @@
       <el-button type="primary" @click="handleTaskAdjustSubmit">确定</el-button>
     </template>
   </el-dialog>
+
+  <el-dialog v-if="props.editable" v-model="startDateEditorVisible" title="修改开始时间" width="360px" append-to-body>
+    <el-form label-width="80px">
+      <el-form-item label="开始时间">
+        <el-date-picker
+          v-model="startDateEditorValue"
+          type="datetime"
+          value-format="YYYY-MM-DD HH:mm:ss"
+          placeholder="请选择开始时间"
+          class="!w-full"
+        />
+      </el-form-item>
+    </el-form>
+    <template #footer>
+      <el-button @click="startDateEditorVisible = false">取消</el-button>
+      <el-button type="primary" @click="handleStartDateEditorSubmit">确定</el-button>
+    </template>
+  </el-dialog>
 </template>
 
 <script setup lang="ts">
@@ -80,6 +100,11 @@ const props = withDefaults(
 const message = useMessage()
 const ganttContainerRef = ref<HTMLDivElement>()
 const activePreviewDevice = ref<any>()
+const activePreviewTask = ref<any>()
+const startDateEditorVisible = ref(false)
+const startDateEditorTaskId = ref<string | number | null>(null)
+const startDateEditorValue = ref('')
+const tooltipCleanupFns = ref<(() => void)[]>([])
 const ganttEventIds = ref<string[]>([])
 const ganttSyncing = ref(false)
 const taskAdjustDialogVisible = ref(false)
@@ -225,6 +250,8 @@ const cleanupTaskTooltips = () => {
     node.style.visibility = 'hidden'
     node.style.opacity = '0'
   }
+  tooltipCleanupFns.value.forEach((fn) => fn())
+  tooltipCleanupFns.value = []
 }
 
 const destroyGantt = () => {
@@ -315,7 +342,28 @@ const initTaskTooltips = () => {
   const tooltipsExt = (gantt.ext as any)?.tooltips
   const tooltip = tooltipsExt?.tooltip
   if (!tooltipsExt || !tooltip || !ganttContainerRef.value) return
+
+  let tooltipHideTimer: ReturnType<typeof setTimeout> | null = null
+
+  const forceHideTooltip = () => {
+    if (tooltipHideTimer) {
+      clearTimeout(tooltipHideTimer)
+      tooltipHideTimer = null
+    }
+    tooltip.hide()
+    const node = tooltip.getNode?.()
+    if (node) {
+      node.style.display = 'none'
+      node.style.visibility = 'hidden'
+      node.style.opacity = '0'
+    }
+  }
+
   const showTooltip = (event: MouseEvent, html: string) => {
+    if (tooltipHideTimer) {
+      clearTimeout(tooltipHideTimer)
+      tooltipHideTimer = null
+    }
     tooltip.setContent(html)
     tooltip.show(event)
     const node = tooltip.getNode?.()
@@ -327,6 +375,7 @@ const initTaskTooltips = () => {
       node.style.pointerEvents = 'none'
     }
   }
+
   tooltipsExt.detach('.gantt_task_line')
   tooltipsExt.detach('.gantt_task_content')
   tooltipsExt.attach({
@@ -342,7 +391,38 @@ const initTaskTooltips = () => {
       showTooltip(event, buildTaskTooltipHtml(task))
     },
     onmouseleave: () => {
-      tooltip.hide()
+      forceHideTooltip()
+    }
+  })
+
+  const containerEl = ganttContainerRef.value
+  const containerMouseLeaveHandler = () => {
+    forceHideTooltip()
+  }
+  containerEl.addEventListener('mouseleave', containerMouseLeaveHandler)
+
+  const documentMouseMoveHandler = (e: MouseEvent) => {
+    const target = e.target as HTMLElement
+    if (!target) return
+    const isOverTask = target.closest('.gantt_task_line') || target.closest('.gantt_task_content')
+    if (!isOverTask) {
+      if (tooltipHideTimer) clearTimeout(tooltipHideTimer)
+      tooltipHideTimer = setTimeout(forceHideTooltip, 150)
+    } else {
+      if (tooltipHideTimer) {
+        clearTimeout(tooltipHideTimer)
+        tooltipHideTimer = null
+      }
+    }
+  }
+  document.addEventListener('mousemove', documentMouseMoveHandler)
+
+  tooltipCleanupFns.value.push(() => {
+    containerEl.removeEventListener('mouseleave', containerMouseLeaveHandler)
+    document.removeEventListener('mousemove', documentMouseMoveHandler)
+    if (tooltipHideTimer) {
+      clearTimeout(tooltipHideTimer)
+      tooltipHideTimer = null
     }
   })
 }
@@ -359,6 +439,9 @@ const syncPlanTimeFromTask = (task: any) => {
   task._planData.planEndTimeStr = end.format('YYYY-MM-DD HH:mm:ss')
   task._planData.scheduleDays = duration
   activePreviewDevice.value = task._deviceData
+  if (activePreviewTask.value && String(activePreviewTask.value.taskDetailId) === String(task._planData.taskDetailId)) {
+    activePreviewTask.value = task._planData
+  }
 }
 
 const syncDeviceTaskRangeFromChildren = (task: any) => {
@@ -515,6 +598,39 @@ const handleTaskAdjustSubmit = () => {
   taskAdjustDialogVisible.value = false
 }
 
+const handleStartDateEditorSubmit = () => {
+  if (!startDateEditorTaskId.value || !startDateEditorValue.value) {
+    startDateEditorVisible.value = false
+    return
+  }
+  const task = gantt.getTask(startDateEditorTaskId.value)
+  if (!task?._planData) {
+    startDateEditorVisible.value = false
+    return
+  }
+  const newStart = dayjs(startDateEditorValue.value)
+  if (!newStart.isValid()) {
+    message.warning('请选择有效的时间')
+    return
+  }
+  const duration = Math.max(Number(task.duration) || 1, 1)
+  const newEnd = newStart.add(duration - 1, 'day').endOf('day')
+  ganttSyncing.value = true
+  try {
+    task.start_date = newStart.toDate()
+    task.end_date = newEnd.toDate()
+    task.duration = duration
+    syncPlanTimeFromTask(task)
+    normalizeDeviceChildren(task.parent)
+    refreshPlanLinksByRowOrder()
+    refreshTimelineRangeByTasks()
+    gantt.updateTask(task.id)
+  } finally {
+    ganttSyncing.value = false
+  }
+  startDateEditorVisible.value = false
+}
+
 const refreshTimelineRangeByTasks = () => {
   let minStart = Number.POSITIVE_INFINITY
   let maxEnd = Number.NEGATIVE_INFINITY
@@ -546,10 +662,11 @@ const initGanttPreview = () => {
   destroyGantt()
   if (!previewScheduleList.value.length) {
     activePreviewDevice.value = undefined
+    activePreviewTask.value = undefined
     return
   }
 
-  gantt.plugins({ tooltip: true })
+  gantt.plugins({ tooltip: true, inline_edit: true,undo: true })
   gantt.config.readonly = !props.editable
   gantt.config.drag_move = !!props.editable
   gantt.config.drag_links = false
@@ -579,12 +696,8 @@ const initGanttPreview = () => {
       width: 210,
       template: (task: any) =>
         props.editable && task?._planData && String(task?._planData?.sourceType ?? '').toUpperCase() === 'CURRENT'
-          ? `<span class="gantt-inline-editor-trigger" data-field="start_date">${formatGridDateText(task.start_date)}</span>`
-          : formatGridDateText(task.start_date),
-      editor: {
-        type: 'date',
-        map_to: 'start_date'
-      }
+          ? `<span class="gantt-inline-editor-trigger" data-field="start_date" data-task-id="${task.id}">${formatGridDateText(task.start_date)}</span>`
+          : formatGridDateText(task.start_date)
     },
     {
       name: 'duration',
@@ -617,6 +730,7 @@ const initGanttPreview = () => {
   const globalRange = getGlobalDateRange(previewScheduleList.value)
   gantt.config.start_date = dayjs(globalRange.start).startOf('day').toDate()
   gantt.config.end_date = dayjs(globalRange.end).endOf('day').toDate()
+
   gantt.init(ganttContainerRef.value)
 
   const ganttData = buildPreviewGanttData(previewScheduleList.value)
@@ -625,18 +739,39 @@ const initGanttPreview = () => {
 
   if (ganttData.data.length) {
     activePreviewDevice.value = ganttData.data[0]._deviceData
-    gantt.showDate(gantt.config.start_date)
+    const today = dayjs().startOf('day').toDate()
+    const pos = gantt.posFromDate(today)
+    const scrollState = gantt.getScrollState()
+    if (scrollState && pos >= 0) {
+      const halfWidth = scrollState.inner_width / 3
+      gantt.scrollTo(Math.max(0, pos - halfWidth), 0)
+    } else {
+      gantt.showDate(today)
+    }
   }
 
   const clickEventId = gantt.attachEvent('onTaskClick', (id, event: MouseEvent) => {
     const task = gantt.getTask(id)
-    activePreviewDevice.value = task?._deviceData
+    if (task?._planData) {
+      activePreviewTask.value = task._planData
+      activePreviewDevice.value = task._deviceData
+    } else {
+      activePreviewTask.value = undefined
+      activePreviewDevice.value = task?._deviceData
+    }
     if (!props.editable) return true
     const target = event?.target as HTMLElement | null
     const editableNode = target?.closest('.gantt-inline-editor-trigger') as HTMLElement | null
     const field = editableNode?.dataset?.field
+    if (!field || !task?._planData || String(task?._planData?.sourceType ?? '').toUpperCase() !== 'CURRENT') return true
+    if (field === 'start_date') {
+      startDateEditorTaskId.value = id
+      startDateEditorValue.value = dayjs(task.start_date).format('YYYY-MM-DD HH:mm:ss')
+      startDateEditorVisible.value = true
+      return false
+    }
     const inlineEditors = (gantt.ext as any)?.inlineEditors
-    if (field && task?._planData && String(task?._planData?.sourceType ?? '').toUpperCase() === 'CURRENT' && inlineEditors?.startEdit) {
+    if (inlineEditors?.startEdit) {
       inlineEditors.startEdit(id, field)
       return false
     }
@@ -644,6 +779,28 @@ const initGanttPreview = () => {
   })
   ganttEventIds.value.push(clickEventId)
 
+  if (props.editable && ganttContainerRef.value) {
+    const gridClickHandler = (e: MouseEvent) => {
+      const target = e.target as HTMLElement
+      const trigger = target.closest('.gantt-inline-editor-trigger[data-field="start_date"]') as HTMLElement | null
+      if (!trigger) return
+      const taskId = trigger.getAttribute('data-task-id')
+      if (!taskId) return
+      try {
+        const task = gantt.getTask(taskId)
+        if (!task?._planData || String(task?._planData?.sourceType ?? '').toUpperCase() !== 'CURRENT') return
+        e.stopPropagation()
+        startDateEditorTaskId.value = taskId
+        startDateEditorValue.value = dayjs(task.start_date).format('YYYY-MM-DD HH:mm:ss')
+        startDateEditorVisible.value = true
+      } catch {}
+    }
+    ganttContainerRef.value.addEventListener('click', gridClickHandler, true)
+    tooltipCleanupFns.value.push(() => {
+      ganttContainerRef.value?.removeEventListener('click', gridClickHandler, true)
+    })
+  }
+
   if (!props.editable) return
 
   const beforeDragEventId = gantt.attachEvent('onBeforeTaskDrag', (id) => {