diff --git a/track-uniapp/src/pages/scan/detail.vue b/track-uniapp/src/pages/scan/detail.vue
index d40dbd9..7e73ea6 100644
--- a/track-uniapp/src/pages/scan/detail.vue
+++ b/track-uniapp/src/pages/scan/detail.vue
@@ -141,8 +141,9 @@
               :class="['user-grid-item', spawnForm.assignee_id === u.id ? 'user-grid-active' : '']"
               @tap="spawnForm.assignee_id = u.id">{{ formatName(u.name) }}</view>
           </view>
-          <input v-model="spawnForm.remark" class="popup-input" placeholder="派发备注（选填）" style="margin-top:12px;" />
-          <view class="popup-btns"><button class="btn-cancel" @tap="closeActionPopup">取消</button><button class="btn-primary btn-spawn" :disabled="actionLoading || !spawnForm.assignee_id" @tap="doSpawn">{{ actionLoading ? '提交中...' : '确认派发' }}</button></view>
+          <view class="field-label" style="margin-top:12px;">派发备注 <text class="required">*</text></view>
+          <textarea v-model="spawnForm.remark" class="popup-textarea" placeholder="请填写派发备注说明（必填）" :maxlength="500" />
+          <view class="popup-btns"><button class="btn-cancel" @tap="closeActionPopup">取消</button><button class="btn-primary btn-spawn" :disabled="actionLoading || !spawnForm.assignee_id || !spawnForm.remark.trim()" @tap="doSpawn">{{ actionLoading ? '提交中...' : '确认派发' }}</button></view>
         </template>
       </view>
     </view>