diff --git a/src/views/tjt/shared/SplitPane.vue b/src/views/tjt/shared/SplitPane.vue
new file mode 100644
index 0000000..89069b5
--- /dev/null
+++ b/src/views/tjt/shared/SplitPane.vue
@@ -0,0 +1,194 @@
+<template>
+  <div ref="paneRef" class="tjt-split-pane" :class="{ 'is-resizing': isResizing }">
+    <div class="tjt-split-pane__panel tjt-split-pane__panel--left" :style="{ flexBasis: leftBasis }">
+      <slot name="left"></slot>
+    </div>
+
+    <div
+      aria-label="Resize panels"
+      class="tjt-split-pane__resize"
+      role="separator"
+      tabindex="0"
+      @keydown="handleKeydown"
+      @pointerdown="startResize"
+    >
+      <span class="tjt-split-pane__resize-handle"></span>
+    </div>
+
+    <div class="tjt-split-pane__panel tjt-split-pane__panel--right">
+      <slot name="right"></slot>
+    </div>
+  </div>
+</template>
+
+<script lang="ts" setup>
+defineOptions({ name: 'TjtSplitPane' })
+
+const props = withDefaults(
+  defineProps<{
+    defaultPercent?: number
+    minPanelWidth?: number
+  }>(),
+  {
+    defaultPercent: 50,
+    minPanelWidth: 320
+  }
+)
+
+const RESIZER_WIDTH = 16
+const KEYBOARD_STEP = 2
+
+const paneRef = ref<HTMLElement>()
+const leftPercent = ref(props.defaultPercent)
+const isResizing = ref(false)
+
+const leftBasis = computed(() => `calc(${leftPercent.value}% - ${RESIZER_WIDTH / 2}px)`)
+
+const getBounds = () => {
+  const rect = paneRef.value?.getBoundingClientRect()
+  if (!rect?.width) {
+    return
+  }
+  const minPercent = Math.min(
+    45,
+    ((props.minPanelWidth + RESIZER_WIDTH / 2) / rect.width) * 100
+  )
+  return {
+    rect,
+    minPercent,
+    maxPercent: 100 - minPercent
+  }
+}
+
+const setLeftPercent = (percent: number) => {
+  const bounds = getBounds()
+  if (!bounds) {
+    leftPercent.value = percent
+    return
+  }
+  leftPercent.value = Math.min(bounds.maxPercent, Math.max(bounds.minPercent, percent))
+}
+
+const updateByPointer = (event: PointerEvent) => {
+  const bounds = getBounds()
+  if (!bounds) {
+    return
+  }
+  setLeftPercent(((event.clientX - bounds.rect.left) / bounds.rect.width) * 100)
+}
+
+const stopResize = () => {
+  if (!isResizing.value) {
+    return
+  }
+  isResizing.value = false
+  window.removeEventListener('pointermove', updateByPointer)
+  window.removeEventListener('pointerup', stopResize)
+  window.removeEventListener('pointercancel', stopResize)
+  document.body.style.cursor = ''
+  document.body.style.userSelect = ''
+}
+
+const startResize = (event: PointerEvent) => {
+  isResizing.value = true
+  event.preventDefault()
+  updateByPointer(event)
+  document.body.style.cursor = 'col-resize'
+  document.body.style.userSelect = 'none'
+  window.addEventListener('pointermove', updateByPointer)
+  window.addEventListener('pointerup', stopResize)
+  window.addEventListener('pointercancel', stopResize)
+}
+
+const handleKeydown = (event: KeyboardEvent) => {
+  if (event.key === 'ArrowLeft') {
+    event.preventDefault()
+    setLeftPercent(leftPercent.value - KEYBOARD_STEP)
+  }
+  if (event.key === 'ArrowRight') {
+    event.preventDefault()
+    setLeftPercent(leftPercent.value + KEYBOARD_STEP)
+  }
+}
+
+onBeforeUnmount(() => {
+  stopResize()
+})
+</script>
+
+<style scoped>
+.tjt-split-pane {
+  display: flex;
+  align-items: stretch;
+  width: 100%;
+  min-width: 0;
+}
+
+.tjt-split-pane__panel {
+  min-width: 0;
+}
+
+.tjt-split-pane__panel--left {
+  flex: 0 0 50%;
+}
+
+.tjt-split-pane__panel--right {
+  flex: 1 1 0;
+}
+
+.tjt-split-pane__resize {
+  position: relative;
+  display: flex;
+  flex: 0 0 16px;
+  align-items: center;
+  justify-content: center;
+  cursor: col-resize;
+  outline: none;
+  touch-action: none;
+  user-select: none;
+}
+
+.tjt-split-pane__resize::before {
+  position: absolute;
+  top: 0;
+  bottom: 0;
+  width: 1px;
+  content: '';
+  background: var(--el-border-color);
+}
+
+.tjt-split-pane__resize-handle {
+  position: sticky;
+  top: calc(50vh - 21px);
+  z-index: 1;
+  width: 6px;
+  height: 42px;
+  border-radius: 4px;
+  background: var(--el-border-color);
+  transition:
+    width 0.15s ease,
+    background-color 0.15s ease;
+}
+
+.tjt-split-pane__resize:hover .tjt-split-pane__resize-handle,
+.tjt-split-pane__resize:focus-visible .tjt-split-pane__resize-handle,
+.tjt-split-pane.is-resizing .tjt-split-pane__resize-handle {
+  width: 8px;
+  background: var(--el-color-primary);
+}
+
+@media (max-width: 900px) {
+  .tjt-split-pane {
+    flex-direction: column;
+  }
+
+  .tjt-split-pane__panel--left,
+  .tjt-split-pane__panel--right {
+    flex: 0 0 auto;
+  }
+
+  .tjt-split-pane__resize {
+    display: none;
+  }
+}
+</style>
diff --git a/src/views/tjt/staff-assignment/index.vue b/src/views/tjt/staff-assignment/index.vue
index e4ba8b3..f16bb28 100644
--- a/src/views/tjt/staff-assignment/index.vue
+++ b/src/views/tjt/staff-assignment/index.vue
@@ -110,6 +110,16 @@
         <div class="mb-16px flex items-center justify-between gap-12px">
           <div class="text-16px font-600">{{ currentPlanning.planningContent }}</div>
           <div class="flex items-center gap-12px">
+            <el-button
+              v-hasPermi="['tjt:specialty-role-split:update']"
+              :disabled="copyPlanningOptions.length === 0"
+              plain
+              type="primary"
+              @click="openCopyDialog"
+            >
+              <Icon class="mr-5px" icon="ep:copy-document" />
+              复制人员设置
+            </el-button>
             <el-button
               v-hasPermi="['tjt:specialty-role-split:update']"
               plain
@@ -312,6 +322,31 @@
       <el-button @click="dialogVisible = false">取消</el-button>
     </template>
   </Dialog>
+
+  <Dialog v-model="copyDialogVisible" title="复制其他任务包人员设置" width="560">
+    <el-form label-width="96px">
+      <el-form-item label="来源任务包">
+        <el-select
+          v-model="copySourcePlanningId"
+          class="!w-1/1"
+          filterable
+          placeholder="请选择任务包"
+        >
+          <el-option
+            v-for="item in copyPlanningOptions"
+            :key="item.id"
+            :label="buildPlanningOptionLabel(item)"
+            :value="item.id"
+          />
+        </el-select>
+      </el-form-item>
+    </el-form>
+
+    <template #footer>
+      <el-button :loading="copyLoading" type="primary" @click="handleCopyConfirm">确定复制</el-button>
+      <el-button @click="copyDialogVisible = false">取消</el-button>
+    </template>
+  </Dialog>
 </template>
 
 <script lang="ts" setup>
@@ -356,6 +391,7 @@ const loading = ref(false)
 const planningLoading = ref(false)
 const roleLoading = ref(false)
 const saveLoading = ref(false)
+const copyLoading = ref(false)
 const total = ref(0)
 const projectList = ref<ProjectApi.ProjectVO[]>([])
 const planningList = ref<PlanningApi.ProjectPlanningVO[]>([])
@@ -366,6 +402,8 @@ const editRoleList = ref<SpecialtyRoleSplitVO[]>([])
 const selectedGroupCode = ref('')
 const editGroupCode = ref('')
 const dialogVisible = ref(false)
+const copyDialogVisible = ref(false)
+const copySourcePlanningId = ref<number>()
 const employeeOptions = ref<EmployeeApi.EmployeeSimpleVO[]>([])
 const employeeLoading = ref(false)
 const queryFormRef = ref()
@@ -547,6 +585,12 @@ const currentEditGroup = computed(
   () =>
     editGroups.value.find((item) => item.specialtyCode === editGroupCode.value) || editGroups.value[0]
 )
+const copyPlanningOptions = computed<Array<PlanningApi.ProjectPlanningVO & { id: number }>>(() =>
+  planningList.value.filter(
+    (item): item is PlanningApi.ProjectPlanningVO & { id: number } =>
+      typeof item.id === 'number' && item.id !== currentPlanning.value?.id
+  )
+)
 const isProjectLeadRow = (row?: SpecialtyRoleSplitVO) => row?.specialtyCode === PROJECT_LEAD_GROUP_CODE
 const isEngineeringPrincipalRole = (row?: SpecialtyRoleSplitVO) =>
   row?.roleCode === ROLE_ENGINEERING_PRINCIPAL
@@ -715,9 +759,9 @@ const buildSavePersons = (
   return { persons }
 }
 
-const buildSaveItems = (validate: boolean) => {
+const buildSaveItems = (validate: boolean, sourceGroups = editGroups.value) => {
   const items: SpecialtyRoleSplitApi.SpecialtyRoleSplitSaveItemVO[] = []
-  for (const group of editGroups.value) {
+  for (const group of sourceGroups) {
     let roleTotal = 0
     for (const row of group.rows) {
       const result = buildSavePersons(row, validate)
@@ -857,6 +901,83 @@ const openEditDialog = () => {
   dialogVisible.value = true
 }
 
+const buildPlanningOptionLabel = (item: PlanningApi.ProjectPlanningVO) => {
+  const parts = [item.planningContent]
+  if (item.planningStartYear) {
+    parts.push(String(item.planningStartYear))
+  }
+  return parts.filter(Boolean).join(' / ')
+}
+
+const openCopyDialog = () => {
+  if (!currentPlanning.value?.id) {
+    return
+  }
+  if (!copyPlanningOptions.value.length) {
+    message.warning('暂无可复制的其他任务包')
+    return
+  }
+  copySourcePlanningId.value = copyPlanningOptions.value[0]?.id
+  copyDialogVisible.value = true
+}
+
+const buildCopiedRoleRows = (sourceRows: SpecialtyRoleSplitVO[]) => {
+  const sourceMap = new Map(
+    sourceRows.map((item) => [`${item.specialtyCode}:${item.roleCode}`, item] as const)
+  )
+  const rows = roleList.value.map((targetRow) => {
+    const sourceRow = sourceMap.get(`${targetRow.specialtyCode}:${targetRow.roleCode}`)
+    return buildEditableRow({
+      ...targetRow,
+      roleRatio: sourceRow?.roleRatio ?? targetRow.roleRatio,
+      persons: isProjectLeadRow(targetRow) ? targetRow.persons || [] : sourceRow?.persons || []
+    })
+  })
+  rows.forEach((row) => syncRoleRatiosForGroup(rows, row.specialtyCode))
+  syncAllDerivedValues(rows)
+  return rows
+}
+
+const handleCopyConfirm = async () => {
+  if (!currentPlanning.value?.id || !copySourcePlanningId.value) {
+    message.warning('请选择来源任务包')
+    return
+  }
+  try {
+    await message.confirm('确认用所选任务包的人员分配设置替换当前任务包吗？')
+  } catch {
+    return
+  }
+  copyLoading.value = true
+  try {
+    const sourceData = await SpecialtyRoleSplitApi.getSpecialtyRoleSplitListByPlanningId(
+      copySourcePlanningId.value
+    )
+    const sourceRows = cloneRoleRows(sourceData)
+    if (!sourceRows.length) {
+      message.warning('来源任务包暂无人员分配设置')
+      return
+    }
+    sourceRows.forEach((row) => syncRoleRatiosForGroup(sourceRows, row.specialtyCode))
+    syncAllDerivedValues(sourceRows)
+    const copiedRows = buildCopiedRoleRows(sourceRows)
+    const items = buildSaveItems(false, buildGroups(copiedRows))
+    if (!items) {
+      return
+    }
+    await SpecialtyRoleSplitApi.saveSpecialtyRoleSplitBatch({
+      planningId: currentPlanning.value.id,
+      items,
+      temporarySave: true
+    })
+    message.success('复制人员分配设置成功')
+    copyDialogVisible.value = false
+    await loadRoleList(currentPlanning.value.id)
+  } finally {
+    copyLoading.value = false
+  }
+}
+
 const saveRoleSplit = async (temporarySave: boolean) => {
   if (!currentPlanning.value?.id) {
     return