diff --git a/banban-mini/src/pages/bind/index.tsx b/banban-mini/src/pages/bind/index.tsx
index 0d787be..fface75 100644
--- a/banban-mini/src/pages/bind/index.tsx
+++ b/banban-mini/src/pages/bind/index.tsx
@@ -14,10 +14,13 @@ import {
 } from '@/services/binding'
 import {
   Child,
+  CHILD_NAME_RULE_MESSAGE,
   createChild,
   getChildren,
+  sanitizeChildNameInput,
   resolveChildSelection,
   setSelectedChildId as setStoredSelectedChildId,
+  validateChildNameInput,
 } from '@/services/child'
 import { useSystemBanner } from '@/components/system-banner/use-system-banner'
 
@@ -444,6 +447,10 @@ export default function Bind() {
 
     const childName = newChildName.trim()
     if (!childName) return null
+    const childNameError = validateChildNameInput(childName)
+    if (childNameError) {
+      throw new Error(childNameError)
+    }
 
     const child = await createChild({ child_name: childName })
     setChildren((currentChildren) => [child, ...currentChildren])
@@ -500,7 +507,7 @@ export default function Bind() {
 
       if (isPendingBinding) {
         if (!childId) {
-          throw new Error('请先选择宝贝或填写新的宝贝昵称')
+          throw new Error('请先选择宝贝或填写新的宝贝姓名')
         }
         await setBindingChild(pendingDeviceId!, { child_id: childId })
         setSelectedBindingDeviceId(pendingDeviceId)
@@ -658,18 +665,20 @@ export default function Bind() {
           )}
 
           <View className='field-item'>
-            <Text className='field-label'>{isPendingBinding ? '新建宝贝昵称' : '新建宝贝昵称（可选）'}</Text>
+            <Text className='field-label'>{isPendingBinding ? '新建宝贝姓名' : '新建宝贝姓名（可选）'}</Text>
             <Input
               className='field-input'
               value={newChildName}
               placeholder={
                 isPendingBinding
-                  ? children.length > 0 ? '不选已有宝贝时，可填写新昵称' : '请输入宝贝昵称'
-                  : children.length > 0 ? '不选已有宝贝时，可填写新昵称' : '可不填，稍后再关联宝贝'
+                  ? children.length > 0 ? '不选已有宝贝时，可填写2-5位简体中文姓名（暂不支持数字和英文）' : CHILD_NAME_RULE_MESSAGE
+                  : children.length > 0 ? '不选已有宝贝时，可填写2-5位简体中文姓名（暂不支持数字和英文）' : '可不填，稍后再关联宝贝'
               }
+              maxlength={5}
               onInput={(event) => {
-                setNewChildName(event.detail.value)
-                if (event.detail.value) {
+                const nextChildName = sanitizeChildNameInput(event.detail.value)
+                setNewChildName(nextChildName)
+                if (nextChildName) {
                   setSelectedChildId(null)
                   setStoredSelectedChildId(null)
                 }
diff --git a/banban-mini/src/pages/device/index.scss b/banban-mini/src/pages/device/index.scss
index f392573..6462320 100644
--- a/banban-mini/src/pages/device/index.scss
+++ b/banban-mini/src/pages/device/index.scss
@@ -672,8 +672,9 @@
 
 .detail-row {
   display: flex;
-  align-items: center;
+  align-items: flex-start;
   justify-content: space-between;
+  gap: 24px;
   padding: 20px 0;
   border-bottom: 1px solid #F3F3F3;
 
@@ -682,14 +683,41 @@
   }
 }
 
+.detail-row-highlight {
+  display: block;
+  padding-top: 22px;
+  padding-bottom: 24px;
+
+  .detail-label {
+    display: block;
+  }
+
+  .detail-value {
+    display: block;
+    max-width: 100%;
+    margin-top: 10px;
+    font-size: 30px;
+    font-weight: 700;
+    line-height: 1.45;
+    text-align: left;
+    color: #FF8C42;
+  }
+}
+
 .detail-label {
+  flex-shrink: 0;
+  width: 180px;
   font-size: 28px;
+  line-height: 1.45;
   color: #666666;
 }
 
 .detail-value {
-  max-width: 60%;
+  flex: 1;
+  min-width: 0;
+  max-width: none;
   font-size: 28px;
+  line-height: 1.45;
   text-align: right;
   word-break: break-all;
   color: #1A1A1A;
diff --git a/banban-mini/src/pages/device/index.tsx b/banban-mini/src/pages/device/index.tsx
index 6ebea12..aba9c7c 100644
--- a/banban-mini/src/pages/device/index.tsx
+++ b/banban-mini/src/pages/device/index.tsx
@@ -342,7 +342,7 @@ export default function Device() {
           <Text className='empty-subtitle'>
             {hasPendingDevice
               ? '这台设备还没有关联宝贝，关联后即可查看定位、聊天和设备状态'
-              : '绑定时可以选择已有宝贝，或直接新建宝贝昵称'}
+              : '绑定时可以选择已有宝贝，或直接新建宝贝姓名'}
           </Text>
           <View className='empty-btn' onClick={() => Taro.navigateTo({ url: hasPendingDevice ? '/pages/bind/index?mode=assign' : '/pages/bind/index' })}>
             <Text className='empty-btn-text'>{hasPendingDevice ? '关联宝贝' : '添加设备'}</Text>
@@ -620,30 +620,34 @@ export default function Device() {
 
         {isDetailExpanded && (
           <View className='detail-body'>
+            <View className='detail-row detail-row-highlight'>
+              <Text className='detail-label'>当前坐标</Text>
+              <Text className='detail-value'>{coordinateLabel}</Text>
+            </View>
+            <View className='detail-row'>
+              <Text className='detail-label'>位置上报时间</Text>
+              <Text className='detail-value'>{formatTime(deviceStatus?.location_updated_at)}</Text>
+            </View>
+            <View className='detail-row'>
+              <Text className='detail-label'>服务端时间</Text>
+              <Text className='detail-value'>{formatTime(deviceStatus?.server_time)}</Text>
+            </View>
+            <View className='detail-row'>
+              <Text className='detail-label'>设备状态时间</Text>
+              <Text className='detail-value'>{formatTime(deviceStatus?.settings_updated_at)}</Text>
+            </View>
+            <View className='detail-row'>
+              <Text className='detail-label'>设备 ID</Text>
+              <Text className='detail-value'>{binding.device_id}</Text>
+            </View>
             <View className='detail-row'>
               <Text className='detail-label'>当前宝贝</Text>
               <Text className='detail-value'>{childName}</Text>
             </View>
-            <View className='detail-row'>
-              <Text className='detail-label'>当前设备</Text>
-              <Text className='detail-value'>{binding.device_id}</Text>
-            </View>
             <View className='detail-row'>
               <Text className='detail-label'>绑定时间</Text>
               <Text className='detail-value'>{formatTime(binding.bound_at)}</Text>
             </View>
-            <View className='detail-row'>
-              <Text className='detail-label'>当前坐标</Text>
-              <Text className='detail-value'>{coordinateLabel}</Text>
-            </View>
-            <View className='detail-row'>
-              <Text className='detail-label'>状态更新时间</Text>
-              <Text className='detail-value'>{formatTime(deviceStatus?.settings_updated_at)}</Text>
-            </View>
-            <View className='detail-row'>
-              <Text className='detail-label'>定位更新时间</Text>
-              <Text className='detail-value'>{formatTime(deviceStatus?.location_updated_at)}</Text>
-            </View>
           </View>
         )}
       </View>
diff --git a/banban-mini/src/pages/sleep/index.scss b/banban-mini/src/pages/sleep/index.scss
index 55554d7..2e7309a 100644
--- a/banban-mini/src/pages/sleep/index.scss
+++ b/banban-mini/src/pages/sleep/index.scss
@@ -1043,15 +1043,6 @@
   color: #94A3B8;
 }
 
-.family-copy-action {
-  display: block;
-  margin-top: 14px;
-  font-size: 26px;
-  color: #FF8C42;
-  font-weight: 600;
-  text-align: center;
-}
-
 .family-danger-action {
   background: #FFF1F2;
 }
diff --git a/banban-mini/src/pages/sleep/index.tsx b/banban-mini/src/pages/sleep/index.tsx
index 53aca79..55955db 100644
--- a/banban-mini/src/pages/sleep/index.tsx
+++ b/banban-mini/src/pages/sleep/index.tsx
@@ -15,7 +15,16 @@ import {
   updateBindingCardName,
   unbindDevice,
 } from '@/services/binding'
-import { Child, clearSelectedChildId, deleteChild, setSelectedChildId, updateChild } from '@/services/child'
+import {
+  Child,
+  CHILD_NAME_RULE_MESSAGE,
+  clearSelectedChildId,
+  deleteChild,
+  sanitizeChildNameInput,
+  setSelectedChildId,
+  updateChild,
+  validateChildNameInput,
+} from '@/services/child'
 import {
   createFamilyInvitation,
   FamilyMember,
@@ -427,16 +436,6 @@ export default function Sleep() {
     }
   }
 
-  const handleCopyFamilyInvite = () => {
-    if (!familyInvitePath) return
-    Taro.setClipboardData({
-      data: familyInvitePath,
-      success: () => {
-        Taro.showToast({ title: '邀请路径已复制', icon: 'success' })
-      },
-    })
-  }
-
   const handleRemoveFamilyMember = (member: FamilyMember) => {
     if (!binding?.device_id || member.is_owner || isUpdatingFamily) return
 
@@ -657,8 +656,9 @@ export default function Sleep() {
 
   const handleSubmitModal = async () => {
     const normalizedName = childName.trim()
-    if (!normalizedName) {
-      Taro.showToast({ title: '请输入宝贝昵称', icon: 'none' })
+    const childNameError = validateChildNameInput(normalizedName)
+    if (childNameError) {
+      Taro.showToast({ title: childNameError, icon: 'none' })
       return
     }
 
@@ -1442,14 +1442,15 @@ export default function Sleep() {
       {showModal && (
         <View className='modal-mask'>
           <View className='modal-card'>
-            <Text className='modal-title'>修改宝贝昵称</Text>
+            <Text className='modal-title'>修改宝贝姓名</Text>
             <View className='modal-input-wrap'>
               <Input
                 className='modal-input'
                 value={childName}
-                placeholder='请输入宝贝昵称'
+                placeholder={CHILD_NAME_RULE_MESSAGE}
                 focus
-                onInput={(event) => setChildName(event.detail.value)}
+                maxlength={5}
+                onInput={(event) => setChildName(sanitizeChildNameInput(event.detail.value))}
               />
             </View>
             <View className='modal-actions'>
@@ -1615,9 +1616,6 @@ export default function Sleep() {
                         <Text className='family-invite-tip'>
                           邀请有效期至 {familyInviteExpiresAt ? familyInviteExpiresAt.replace('T', ' ').slice(0, 16) : '24 小时内'}
                         </Text>
-                        <Text className='family-copy-action' onClick={handleCopyFamilyInvite}>
-                          复制邀请路径
-                        </Text>
                       </>
                     ) : (
                       <View
diff --git a/banban-mini/src/services/child.ts b/banban-mini/src/services/child.ts
index 64e814e..205835b 100644
--- a/banban-mini/src/services/child.ts
+++ b/banban-mini/src/services/child.ts
@@ -2,6 +2,9 @@ import Taro from '@tarojs/taro'
 import { request } from './api'
 
 const SELECTED_CHILD_ID_KEY = 'selectedChildId'
+const CHILD_NAME_PATTERN = /^[\u4e00-\u9fa5]{2,5}$/
+
+export const CHILD_NAME_RULE_MESSAGE = '请输入2-5位简体中文姓名（暂不支持数字和英文）'
 
 function buildQuery(params: Record<string, string | number | undefined | null>): string {
   return Object.entries(params)
@@ -10,6 +13,21 @@ function buildQuery(params: Record<string, string | number | undefined | null>):
     .join('&')
 }
 
+export function normalizeChildNameInput(value?: string | null): string {
+  return String(value || '').trim()
+}
+
+export function sanitizeChildNameInput(value?: string | null): string {
+  return normalizeChildNameInput(value).replace(/[^\u4e00-\u9fa5]/g, '').slice(0, 5)
+}
+
+export function validateChildNameInput(value?: string | null): string {
+  const childName = normalizeChildNameInput(value)
+  if (!childName) return '请输入宝贝姓名'
+  if (!CHILD_NAME_PATTERN.test(childName)) return CHILD_NAME_RULE_MESSAGE
+  return ''
+}
+
 export interface Child {
   child_id: number
   child_name: string
@@ -61,9 +79,16 @@ export async function createChild(data: {
   child_gender?: number
   child_birthday?: string
 }): Promise<Child> {
+  const childName = normalizeChildNameInput(data.child_name)
+  const childNameError = validateChildNameInput(childName)
+  if (childNameError) throw new Error(childNameError)
+
   return request<Child>('/banban/children', {
     method: 'POST',
-    data,
+    data: {
+      ...data,
+      child_name: childName,
+    },
   })
 }
 
@@ -83,9 +108,17 @@ export async function updateChild(
   childId: number,
   data: { child_name?: string; child_gender?: number; child_birthday?: string }
 ): Promise<Child> {
+  const nextData = { ...data }
+  if (nextData.child_name !== undefined) {
+    const childName = normalizeChildNameInput(nextData.child_name)
+    const childNameError = validateChildNameInput(childName)
+    if (childNameError) throw new Error(childNameError)
+    nextData.child_name = childName
+  }
+
   return request<Child>(`/banban/children/${childId}`, {
     method: 'PATCH',
-    data,
+    data: nextData,
   })
 }