diff --git a/components/plate-input/plate-input.js b/components/plate-input/plate-input.js
new file mode 100644
index 0000000..4a8a01e
--- /dev/null
+++ b/components/plate-input/plate-input.js
@@ -0,0 +1,134 @@
+// plate-input.js
+// 车牌号输入组件：先选省份简称 → 再选城市代码 → 最后键盘输入号码
+Component({
+  properties: {
+    value: { type: String, value: '' }
+  },
+
+  data: {
+    plateChars: [],
+    numValue: '',
+    inputFocus: false,
+    showProvince: false,
+    showCity: false,
+    hasValue: false,
+    provinces: [
+      '京', '津', '沪', '渝', '冀', '豫', '云', '辽', '黑', '湘',
+      '皖', '鲁', '新', '苏', '浙', '赣', '鄂', '桂', '甘', '晋',
+      '蒙', '陕', '吉', '闽', '贵', '粤', '川', '青', '藏', '琼', '宁'
+    ],
+    cityLetters: [
+      'A', 'B', 'C', 'D', 'E', 'F', 'G',
+      'H', 'J', 'K', 'L', 'M', 'N', 'P',
+      'Q', 'R', 'S', 'T', 'U', 'V', 'W',
+      'X', 'Y', 'Z'
+    ],
+    numSlots: [0, 1, 2, 3, 4, 5]
+  },
+
+  observers: {
+    'value': function (val) {
+      if (val && val !== this._lastEmitted) {
+        this._parseValue(val)
+      }
+    }
+  },
+
+  lifetimes: {
+    attached() {
+      if (this.data.value) {
+        this._parseValue(this.data.value)
+      }
+    }
+  },
+
+  methods: {
+    _parseValue(val) {
+      const chars = val.split('')
+      const numValue = chars.slice(2).join('')
+      this.setData({
+        plateChars: chars,
+        numValue: numValue,
+        hasValue: chars.length > 0
+      })
+    },
+
+    _emit(chars) {
+      const value = chars.filter(Boolean).join('')
+      this._lastEmitted = value
+      this.triggerEvent('change', { value })
+    },
+
+    // 点击省份格
+    onProvinceTap() {
+      this.setData({ showProvince: true, showCity: false, inputFocus: false })
+    },
+
+    // 选择省份
+    selectProvince(e) {
+      const code = e.currentTarget.dataset.value
+      const chars = [code, this.data.plateChars[1]].filter(Boolean)
+      this.setData({ plateChars: chars, showProvince: false, showCity: true, hasValue: true })
+      this._emit(chars)
+    },
+
+    // 点击城市格
+    onCityTap() {
+      if (!this.data.plateChars[0]) {
+        this.setData({ showProvince: true })
+        return
+      }
+      this.setData({ showCity: true, showProvince: false, inputFocus: false })
+    },
+
+    // 选择城市代码
+    selectCity(e) {
+      const letter = e.currentTarget.dataset.value
+      const numPart = this.data.plateChars.slice(2).join('')
+      const chars = [this.data.plateChars[0], letter].concat(numPart.split(''))
+      this.setData({
+        plateChars: chars,
+        showCity: false,
+        numValue: numPart,
+        inputFocus: true,
+        hasValue: true
+      })
+      this._emit(chars)
+    },
+
+    // 点击号码格 → 弹出键盘
+    onNumTap() {
+      if (!this.data.plateChars[0] || !this.data.plateChars[1]) {
+        this.setData({ showProvince: true })
+        return
+      }
+      this.setData({ inputFocus: true, showProvince: false, showCity: false })
+    },
+
+    // 键盘输入号码
+    onNumInput(e) {
+      const raw = e.detail.value.toUpperCase().replace(/[^A-Z0-9]/g, '').slice(0, 6)
+      const chars = [this.data.plateChars[0], this.data.plateChars[1]].concat(raw.split(''))
+      this.setData({ plateChars: chars, numValue: raw, hasValue: true })
+      this._emit(chars)
+    },
+
+    // 关闭弹窗
+    hidePicker() {
+      this.setData({ showProvince: false, showCity: false })
+    },
+
+    noop() {},
+
+    // 清除车牌号
+    clearPlate() {
+      this.setData({
+        plateChars: [],
+        numValue: '',
+        inputFocus: false,
+        hasValue: false
+      })
+      this._emit([])
+    }
+  }
+})
diff --git a/components/plate-input/plate-input.json b/components/plate-input/plate-input.json
new file mode 100644
index 0000000..467ce29
--- /dev/null
+++ b/components/plate-input/plate-input.json
@@ -0,0 +1,3 @@
+{
+  "component": true
+}
diff --git a/components/plate-input/plate-input.wxml b/components/plate-input/plate-input.wxml
new file mode 100644
index 0000000..966f6ef
--- /dev/null
+++ b/components/plate-input/plate-input.wxml
@@ -0,0 +1,69 @@
+<!--plate-input.wxml-->
+<view class="plate-container">
+  <!-- 车牌号格子显示 -->
+  <view class="plate-body">
+    <view class="plate-cell {{plateChars[0] ? 'filled' : 'empty'}}" bindtap="onProvinceTap">
+      {{plateChars[0] || '省'}}
+    </view>
+    <view class="plate-cell {{plateChars[1] ? 'filled' : 'empty'}}" bindtap="onCityTap">
+      {{plateChars[1] || '市'}}
+    </view>
+    <view class="plate-sep">·</view>
+    <view
+      wx:for="{{numSlots}}" wx:key="*this"
+      class="plate-cell num {{plateChars[item + 2] ? 'filled' : 'empty'}} {{item >= 5 ? 'extra' : ''}}"
+      bindtap="onNumTap"
+    >
+      {{plateChars[item + 2] || (item < 5 ? '' : '新')}}
+    </view>
+  </view>
+
+  <!-- 隐藏输入框（唤起键盘） -->
+  <input
+    class="plate-hidden-input"
+    type="text"
+    focus="{{inputFocus}}"
+    value="{{numValue}}"
+    maxlength="6"
+    bindinput="onNumInput"
+    adjust-position="{{true}}"
+    confirm-type="done"
+  />
+
+  <!-- 清除按钮 -->
+  <view class="plate-clear" wx:if="{{hasValue}}" bindtap="clearPlate">清除</view>
+
+  <!-- 省份选择弹窗 -->
+  <view class="popup-mask" wx:if="{{showProvince}}" bindtap="hidePicker">
+    <view class="popup-panel" catchtap="noop">
+      <view class="popup-title">选择省份简称</view>
+      <scroll-view scroll-y class="popup-scroll">
+        <view class="popup-grid">
+          <view
+            class="popup-item"
+            wx:for="{{provinces}}" wx:key="*this"
+            data-value="{{item}}" bindtap="selectProvince"
+          >{{item}}</view>
+        </view>
+      </scroll-view>
+      <view class="popup-cancel" bindtap="hidePicker">取消</view>
+    </view>
+  </view>
+
+  <!-- 城市选择弹窗 -->
+  <view class="popup-mask" wx:if="{{showCity}}" bindtap="hidePicker">
+    <view class="popup-panel" catchtap="noop">
+      <view class="popup-title">选择城市代码</view>
+      <scroll-view scroll-y class="popup-scroll">
+        <view class="popup-grid">
+          <view
+            class="popup-item"
+            wx:for="{{cityLetters}}" wx:key="*this"
+            data-value="{{item}}" bindtap="selectCity"
+          >{{item}}</view>
+        </view>
+      </scroll-view>
+      <view class="popup-cancel" bindtap="hidePicker">取消</view>
+    </view>
+  </view>
+</view>
diff --git a/components/plate-input/plate-input.wxss b/components/plate-input/plate-input.wxss
new file mode 100644
index 0000000..49a92a1
--- /dev/null
+++ b/components/plate-input/plate-input.wxss
@@ -0,0 +1,155 @@
+/* plate-input.wxss */
+
+.plate-container {
+  flex: 1;
+  position: relative;
+  display: flex;
+  align-items: center;
+}
+
+/* 车牌格子区域 */
+.plate-body {
+  display: flex;
+  align-items: center;
+  background: #f5f7fa;
+  border: 2rpx solid #dce3ec;
+  border-radius: 12rpx;
+  padding: 8rpx 16rpx;
+  height: 72rpx;
+  flex: 1;
+}
+
+.plate-cell {
+  width: 56rpx;
+  height: 56rpx;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  font-size: 30rpx;
+  border-radius: 8rpx;
+  margin: 0 4rpx;
+  flex-shrink: 0;
+  transition: all 0.2s;
+}
+
+.plate-cell.empty {
+  color: #b8c9db;
+  background: #eaf0f7;
+  font-size: 24rpx;
+}
+
+.plate-cell.filled {
+  color: #2c3e50;
+  background: #ffffff;
+  border: 1rpx solid #dce3ec;
+  font-weight: 600;
+}
+
+.plate-cell.num {
+  width: 44rpx;
+}
+
+.plate-cell.num.extra {
+  border-style: dashed;
+  border-color: #c8d6e5;
+}
+
+.plate-sep {
+  font-size: 32rpx;
+  color: #b8c9db;
+  margin: 0 6rpx;
+  font-weight: bold;
+}
+
+/* 隐藏输入框（用于唤起键盘） */
+.plate-hidden-input {
+  position: absolute;
+  left: -9999rpx;
+  width: 0;
+  height: 0;
+  opacity: 0;
+}
+
+/* 清除按钮 */
+.plate-clear {
+  position: absolute;
+  right: -60rpx;
+  top: 50%;
+  transform: translateY(-50%);
+  font-size: 24rpx;
+  color: #ff4d4f;
+  padding: 8rpx 12rpx;
+  flex-shrink: 0;
+}
+
+/* 弹窗遮罩 */
+.popup-mask {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background: rgba(0, 0, 0, 0.5);
+  z-index: 999;
+  display: flex;
+  align-items: flex-end;
+}
+
+/* 弹窗面板 */
+.popup-panel {
+  width: 100%;
+  background: #fff;
+  border-radius: 24rpx 24rpx 0 0;
+  padding: 32rpx;
+  padding-bottom: 0;
+}
+
+.popup-title {
+  font-size: 30rpx;
+  font-weight: 600;
+  color: #2c3e50;
+  margin-bottom: 24rpx;
+  text-align: center;
+}
+
+.popup-scroll {
+  max-height: 400rpx;
+  padding-bottom: 16rpx;
+}
+
+.popup-grid {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 16rpx;
+  padding: 0 8rpx;
+}
+
+.popup-item {
+  width: calc((100% - 96rpx) / 7);
+  height: 72rpx;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  background: #f5f7fa;
+  border-radius: 12rpx;
+  font-size: 30rpx;
+  color: #2c3e50;
+  border: 1rpx solid #dce3ec;
+  transition: all 0.15s;
+}
+
+.popup-item:active {
+  background: #5b9bd5;
+  color: #fff;
+  border-color: #5b9bd5;
+}
+
+.popup-cancel {
+  text-align: center;
+  font-size: 28rpx;
+  color: #999;
+  padding: 24rpx 0;
+  padding-bottom: calc(24rpx + env(safe-area-inset-bottom));
+  border-top: 1rpx solid #f0f0f0;
+  margin-top: 16rpx;
+}
diff --git a/pages/appointment/appointment.js b/pages/appointment/appointment.js
index 207180c..ba00d04 100644
--- a/pages/appointment/appointment.js
+++ b/pages/appointment/appointment.js
@@ -80,7 +80,7 @@ Page({
   onHostNameInput(e) {
     this.setData({ 'form.hostName': e.detail.value })
   },
-  onPlateNumberInput(e) {
+  onPlateNumberChange(e) {
     this.setData({ 'form.plateNumber': e.detail.value })
   },
 
diff --git a/pages/appointment/appointment.json b/pages/appointment/appointment.json
index c69f2e7..e78918d 100644
--- a/pages/appointment/appointment.json
+++ b/pages/appointment/appointment.json
@@ -1,4 +1,6 @@
 {
-  "usingComponents": {},
+  "usingComponents": {
+    "plate-input": "/components/plate-input/plate-input"
+  },
   "navigationBarTitleText": "访客预约"
 }
diff --git a/pages/appointment/appointment.wxml b/pages/appointment/appointment.wxml
index eb7203a..b9dfd8e 100644
--- a/pages/appointment/appointment.wxml
+++ b/pages/appointment/appointment.wxml
@@ -4,32 +4,32 @@
   <view class="section">
     <view class="section-title">预约人信息</view>
     <view class="form-group">
-      <text class="form-label">姓名</text>
+      <text class="form-label">姓名<text class="required">*</text></text>
       <input class="form-input" placeholder="请输入访客姓名" value="{{form.name}}" bindinput="onNameInput" />
     </view>
     <view class="form-group">
-      <text class="form-label">手机号</text>
+      <text class="form-label">手机号<text class="required">*</text></text>
       <input class="form-input" type="number" maxlength="11" placeholder="请输入手机号" value="{{form.phone}}" bindinput="onPhoneInput" />
     </view>
     <view class="form-group">
-      <text class="form-label">公司</text>
+      <text class="form-label">公司<text class="required">*</text></text>
       <input class="form-input" placeholder="请输入所属公司" value="{{form.company}}" bindinput="onCompanyInput" />
     </view>
     <view class="form-group">
-      <text class="form-label">来访事由</text>
+      <text class="form-label">来访事由<text class="required">*</text></text>
       <input class="form-input" placeholder="请输入来访事由" value="{{form.reason}}" bindinput="onReasonInput" />
     </view>
     <view class="form-group">
       <text class="form-label">车牌号</text>
-      <input class="form-input" placeholder="如: 粤A12345（选填）" value="{{form.plateNumber}}" bindinput="onPlateNumberInput" maxlength="8" confirm-type="done" />
+      <plate-input value="{{form.plateNumber}}" bindchange="onPlateNumberChange" />
     </view>
   </view>
 
-  <!-- 预约时间 -->
+  <!-- 来访时间 -->
   <view class="section">
-    <view class="section-title">预约时间</view>
+    <view class="section-title">来访时间</view>
     <view class="form-group">
-      <text class="form-label">来访日期</text>
+      <text class="form-label">来访日期<text class="required">*</text></text>
       <picker class="form-picker-wrap" mode="date" value="{{form.date}}" start="{{today}}" bindchange="onDateChange">
         <view class="form-picker">
           <text class="{{form.date ? 'picker-value' : 'picker-placeholder'}}">{{form.date || '请选择日期'}}</text>
@@ -38,7 +38,7 @@
       </picker>
     </view>
     <view class="form-group">
-      <text class="form-label">来访时间</text>
+      <text class="form-label">来访时段<text class="required">*</text></text>
       <picker class="form-picker-wrap" mode="time" value="{{form.time}}" bindchange="onTimeChange">
         <view class="form-picker">
           <text class="{{form.time ? 'picker-value' : 'picker-placeholder'}}">{{form.time || '请选择时间'}}</text>
@@ -52,7 +52,7 @@
   <view class="section">
     <view class="section-title">被访人信息</view>
     <view class="form-group">
-      <text class="form-label">拜访区域</text>
+      <text class="form-label">拜访区域<text class="required">*</text></text>
       <picker class="form-picker-wrap" range="{{areas}}" value="{{areaIndex}}" bindchange="onAreaChange">
         <view class="form-picker">
           <text class="{{areaIndex >= 0 ? 'picker-value' : 'picker-placeholder'}}">{{areaIndex >= 0 ? areas[areaIndex] : '请选择拜访区域'}}</text>
@@ -61,7 +61,7 @@
       </picker>
     </view>
     <view class="form-group">
-      <text class="form-label">被访人</text>
+      <text class="form-label">被访人<text class="required">*</text></text>
       <picker wx:if="{{personNames.length > 0}}" class="form-picker-wrap" range="{{personNames}}" value="{{personIndex}}" bindchange="onPersonChange">
         <view class="form-picker">
           <text class="{{personIndex >= 0 ? 'picker-value' : 'picker-placeholder'}}">{{personIndex >= 0 ? personNames[personIndex] : '请选择被访人'}}</text>
diff --git a/pages/appointment/appointment.wxss b/pages/appointment/appointment.wxss
index 89ac4b4..67c8387 100644
--- a/pages/appointment/appointment.wxss
+++ b/pages/appointment/appointment.wxss
@@ -44,6 +44,11 @@ page {
   flex-shrink: 0;
 }
 
+.required {
+  color: #ff4d4f;
+  margin-left: 4rpx;
+}
+
 .form-input {
   flex: 1;
   font-size: 28rpx;
diff --git a/pages/index/index.wxml b/pages/index/index.wxml
index f6852ff..73309b2 100644
--- a/pages/index/index.wxml
+++ b/pages/index/index.wxml
@@ -26,7 +26,7 @@
       </view>
       <view class="action-info">
         <text class="action-title">访客预约</text>
-        <text class="action-desc">选择预约时间和预约人，提交预约信息</text>
+        <text class="action-desc">选择来访时间和预约人，提交预约信息</text>
       </view>
       <text class="action-arrow">›</text>
     </view>
diff --git a/pages/records/records.wxml b/pages/records/records.wxml
index 780e029..1679e12 100644
--- a/pages/records/records.wxml
+++ b/pages/records/records.wxml
@@ -45,7 +45,7 @@
           <text class="record-value">{{item.reason}}</text>
         </view>
         <view class="record-row">
-          <text class="record-label">预约时间</text>
+          <text class="record-label">来访时间</text>
           <text class="record-value">{{item.date}} {{item.time}}</text>
         </view>
         <view class="record-row">
diff --git a/pages/scan/result/index.wxml b/pages/scan/result/index.wxml
index 1d4c36a..f75d0d4 100644
--- a/pages/scan/result/index.wxml
+++ b/pages/scan/result/index.wxml
@@ -36,6 +36,10 @@
         <text class="detail-label">来访事由</text>
         <text class="detail-value">{{record.reason}}</text>
       </view>
+      <view class="detail-row" wx:if="{{record.plateNumber}}">
+        <text class="detail-label">车牌号</text>
+        <text class="detail-value">{{record.plateNumber}}</text>
+      </view>
     </view>
 
     <view class="detail-section">