diff --git a/src/components/common/AppTitleHeader.vue b/src/components/common/AppTitleHeader.vue
index 37145ae..456c045 100644
--- a/src/components/common/AppTitleHeader.vue
+++ b/src/components/common/AppTitleHeader.vue
@@ -1,8 +1,18 @@
 <template>
-  <view class="header-section">
-    <view class="header-content">
-      <text class="header-title">{{ title }}</text>
-      <text v-if="subTitle" class="header-desc">{{ subTitle }}</text>
+  <view>
+    <view class="header-section">
+      <view class="header-main">
+        <view class="back-btn" @click="handleBack">
+          <text class="back-icon">‹</text>
+        </view>
+        <view class="header-title-wrap">
+          <text class="header-title">{{ title }}</text>
+        </view>
+        <view class="header-placeholder"></view>
+      </view>
+    </view>
+    <view v-if="showSubTitle && subTitle" class="header-subtitle-wrap">
+      <text class="header-desc">{{ subTitle }}</text>
     </view>
   </view>
 </template>
@@ -16,31 +26,77 @@ const props = defineProps({
   subTitle: {
     type: String,
     default: ''
+  },
+  showSubTitle: {
+    type: Boolean,
+    default: false
   }
 })
+
+const emit = defineEmits(['back'])
+
+function handleBack() {
+  emit('back')
+  uni.navigateBack()
+}
 </script>
 
 <style lang="scss" scoped>
 .header-section {
   --status-top: var(--status-bar-height, 0px);
   background: linear-gradient(135deg, #1a3a5c 0%, #2d5a87 100%);
-  padding: calc(40rpx + var(--status-top)) 30rpx 80rpx;
+  padding: calc(20rpx + var(--status-top)) 24rpx 28rpx;
   position: relative;
 }
 
-.header-content {
-  .header-title {
-    display: block;
-    font-size: 44rpx;
-    font-weight: bold;
-    color: #ffffff;
-    margin-bottom: 16rpx;
-  }
+.header-main {
+  display: flex;
+  align-items: center;
+  min-height: 72rpx;
+}
 
-  .header-desc {
-    display: block;
-    font-size: 28rpx;
-    color: rgba(255, 255, 255, 0.7);
-  }
+.back-btn {
+  width: 72rpx;
+  height: 72rpx;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.back-icon {
+  font-size: 56rpx;
+  line-height: 1;
+  color: #ffffff;
+  font-weight: 500;
+}
+
+.header-title-wrap {
+  flex: 1;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.header-title {
+  font-size: 36rpx;
+  font-weight: 700;
+  color: #ffffff;
+}
+
+.header-placeholder {
+  width: 72rpx;
+  height: 72rpx;
+}
+
+.header-subtitle-wrap {
+  margin-top: 14rpx;
+  padding-left: 16rpx;
+}
+
+.header-desc {
+  display: block;
+  font-size: 34rpx;
+  font-weight: 700;
+  color: #1a3a5c;
 }
 </style>
diff --git a/src/pages_function/pages/equipment/detail.vue b/src/pages_function/pages/equipment/detail.vue
index ab774a0..558be42 100644
--- a/src/pages_function/pages/equipment/detail.vue
+++ b/src/pages_function/pages/equipment/detail.vue
@@ -197,7 +197,6 @@
         </view>
       </view>
     </view>
-    <BottomActionBar @action="goBack" />
   </view>
 </template>
 
@@ -205,7 +204,6 @@
 import { ref, computed } from 'vue'
 import { onLoad } from '@dcloudio/uni-app'
 import AppTitleHeader from '@/components/common/AppTitleHeader.vue'
-import BottomActionBar from '@/components/common/BottomActionBar.vue'
 import {
   getEquipmentDetail,
   getEquipmentInspectionByDeviceId,
@@ -337,10 +335,6 @@ function handleTabChange(e) {
   currentTab.value = Number(idx === 0 ? 0 : idx || 0)
 }
 
-function goBack() {
-  uni.navigateBack()
-}
-
 onLoad((query) => {
   const rawId = query && (query.id !== undefined ? query.id : query.code)
   const decoded = rawId ? decodeURIComponent(String(rawId)) : ''
@@ -510,7 +504,7 @@ function previewImages(list, current) {
 }
 
 .content-section {
-  padding: 0 30rpx 200rpx;
+  padding: 0 30rpx 30rpx;
 }
 
 .info-card {
diff --git a/src/pages_function/pages/equipment/index.vue b/src/pages_function/pages/equipment/index.vue
index 56907e1..04cc5c8 100644
--- a/src/pages_function/pages/equipment/index.vue
+++ b/src/pages_function/pages/equipment/index.vue
@@ -1,6 +1,6 @@
 <template>
   <view class="page-container">
-    <AppTitleHeader title="设备查询" subTitle="请选择查询方式" />
+    <AppTitleHeader title="设备查询" subTitle="请选择查询方式" :showSubTitle="true" />
 
     <view class="content-section">
       <view class="scan-section">
@@ -48,22 +48,16 @@
         </view>
       </view>
     </view>
-    <BottomActionBar @action="goBack" />
   </view>
 </template>
 
 <script setup>
 import { ref } from 'vue';
 import AppTitleHeader from '@/components/common/AppTitleHeader.vue'
-import BottomActionBar from '@/components/common/BottomActionBar.vue'
 
 const equipmentCode = ref('');
 const isScanning = ref(false);
 
-function goBack() {
-  uni.navigateBack();
-}
-
 function startScan() {
   if (isScanning.value) return;
 
@@ -126,7 +120,7 @@ function navigateToDetail(code) {
 }
 
 .content-section {
-  padding: 40rpx 30rpx 200rpx;
+  padding: 40rpx 30rpx;
 }
 
 .scan-section {
diff --git a/src/pages_function/pages/keypart/detail.vue b/src/pages_function/pages/keypart/detail.vue
index c39a7bd..63f15a5 100644
--- a/src/pages_function/pages/keypart/detail.vue
+++ b/src/pages_function/pages/keypart/detail.vue
@@ -29,7 +29,6 @@
         </view>
       </view>
     </view>
-    <BottomActionBar @action="goBack" />
   </view>
 </template>
 
@@ -38,16 +37,11 @@ import { ref } from 'vue'
 import { onLoad } from '@dcloudio/uni-app'
 import request from '@/utils/request'
 import AppTitleHeader from '@/components/common/AppTitleHeader.vue'
-import BottomActionBar from '@/components/common/BottomActionBar.vue'
 
 const keypartId = ref(undefined)
 const loading = ref(false)
 const detailData = ref(null)
 
-function goBack() {
-  uni.navigateBack();
-}
-
 onLoad((query) => {
   const rawId = query && (query.id !== undefined ? query.id : query.code)
   const decoded = rawId ? decodeURIComponent(String(rawId)) : ''
@@ -92,7 +86,7 @@ function detailValue(v) {
 }
 
 .content-section {
-  padding: 0 30rpx 200rpx;
+  padding: 0 30rpx 30rpx;
   margin-top: 40rpx;
 }
 
diff --git a/src/pages_function/pages/keypart/index.vue b/src/pages_function/pages/keypart/index.vue
index 0c8c278..f168407 100644
--- a/src/pages_function/pages/keypart/index.vue
+++ b/src/pages_function/pages/keypart/index.vue
@@ -1,6 +1,6 @@
 <template>
   <view class="page-container">
-    <AppTitleHeader title="关键件查询" subTitle="请选择查询方式" />
+    <AppTitleHeader title="关键件查询" subTitle="请选择查询方式" :showSubTitle="true" />
 
     <view class="content-section">
       <view class="scan-section">
@@ -48,22 +48,16 @@
         </view>
       </view>
     </view>
-    <BottomActionBar @action="goBack" />
   </view>
 </template>
 
 <script setup>
 import { ref } from 'vue';
 import AppTitleHeader from '@/components/common/AppTitleHeader.vue'
-import BottomActionBar from '@/components/common/BottomActionBar.vue'
 
 const keypartCode = ref('');
 const isScanning = ref(false);
 
-function goBack() {
-  uni.navigateBack();
-}
-
 function startScan() {
   if (isScanning.value) return;
 
@@ -126,7 +120,7 @@ function navigateToDetail(id) {
 }
 
 .content-section {
-  padding: 40rpx 30rpx 200rpx;
+  padding: 40rpx 30rpx;
 }
 
 .scan-section {
diff --git a/src/pages_function/pages/mold/detail.vue b/src/pages_function/pages/mold/detail.vue
index fb0e731..f29765b 100644
--- a/src/pages_function/pages/mold/detail.vue
+++ b/src/pages_function/pages/mold/detail.vue
@@ -190,7 +190,6 @@
         </view>
       </view>
     </view>
-    <BottomActionBar @action="goBack" />
   </view>
 </template>
 
@@ -198,7 +197,6 @@
 import { ref, computed } from 'vue'
 import { onLoad } from '@dcloudio/uni-app'
 import AppTitleHeader from '@/components/common/AppTitleHeader.vue'
-import BottomActionBar from '@/components/common/BottomActionBar.vue'
 import {
   getMoldDetail,
   getMoldInspectionByMoldId,
@@ -313,10 +311,6 @@ function handleTabChange(e) {
   currentTab.value = Number(idx === 0 ? 0 : idx || 0)
 }
 
-function goBack() {
-  uni.navigateBack();
-}
-
 onLoad((query) => {
   const rawId = query && (query.id !== undefined ? query.id : query.code)
   const decoded = rawId ? decodeURIComponent(String(rawId)) : ''
@@ -491,7 +485,7 @@ function previewImages(list, current) {
 }
 
 .content-section {
-  padding: 0 30rpx 200rpx;
+  padding: 0 30rpx 30rpx;
 }
 
 .info-card {
diff --git a/src/pages_function/pages/mold/index.vue b/src/pages_function/pages/mold/index.vue
index 5e3bc12..1479262 100644
--- a/src/pages_function/pages/mold/index.vue
+++ b/src/pages_function/pages/mold/index.vue
@@ -1,6 +1,6 @@
 <template>
   <view class="page-container">
-    <AppTitleHeader title="模具查询" subTitle="请选择查询方式" />
+    <AppTitleHeader title="模具查询" subTitle="请选择查询方式" :showSubTitle="true" />
 
     <view class="content-section">
       <view class="scan-section">
@@ -48,23 +48,15 @@
         </view>
       </view>
     </view>
-    <BottomActionBar :buttons="bottomButtons" @action="handleBottomAction" />
   </view>
 </template>
 
 <script setup>
 import { ref } from 'vue';
 import AppTitleHeader from '@/components/common/AppTitleHeader.vue'
-import BottomActionBar from '@/components/common/BottomActionBar.vue'
 
 const moldCode = ref('');
 const isScanning = ref(false);
-const bottomButtons = ref([{ text: '返回', type: 'default', key: 'back' }])
-
-function goBack() {
-  uni.navigateBack();
-}
-
 function startScan() {
   if (isScanning.value) return;
 
@@ -123,15 +115,6 @@ function navigateToDetail(id) {
   });
 }
 
-function handleBottomAction(e) {
-  if (e && e.key === 'back') {
-    goBack()
-    return
-  }
-  if (e && e.index === 0) {
-    goBack()
-  }
-}
 </script>
 
 <style lang="scss" scoped>
@@ -141,7 +124,7 @@ function handleBottomAction(e) {
 }
 
 .content-section {
-  padding: 40rpx 30rpx 200rpx;
+  padding: 40rpx 30rpx;
 }
 
 .scan-section {
diff --git a/src/pages_function/pages/product/detail.vue b/src/pages_function/pages/product/detail.vue
index 9988f3d..56a8ae2 100644
--- a/src/pages_function/pages/product/detail.vue
+++ b/src/pages_function/pages/product/detail.vue
@@ -45,7 +45,6 @@
         </view>
       </view>
     </view>
-    <BottomActionBar @action="goBack" />
   </view>
 </template>
 
@@ -54,17 +53,12 @@ import { ref, computed } from 'vue'
 import { onLoad } from '@dcloudio/uni-app'
 import request from '@/utils/request'
 import AppTitleHeader from '@/components/common/AppTitleHeader.vue'
-import BottomActionBar from '@/components/common/BottomActionBar.vue'
 
 const productId = ref(undefined)
 const loading = ref(false)
 const detailData = ref(null)
 const unitList = ref([])
 
-function goBack() {
-  uni.navigateBack()
-}
-
 function detailValue(v) {
   if (v === 0) return '0'
   if (v === false) return '否'
@@ -170,7 +164,7 @@ onLoad((query) => {
 }
 
 .content-section {
-  padding: 0 30rpx 200rpx;
+  padding: 0 30rpx 30rpx;
   margin-top: 40rpx;
 }
 
diff --git a/src/pages_function/pages/product/index.vue b/src/pages_function/pages/product/index.vue
index 6778193..3c72b2e 100644
--- a/src/pages_function/pages/product/index.vue
+++ b/src/pages_function/pages/product/index.vue
@@ -1,6 +1,6 @@
 <template>
   <view class="page-container">
-    <AppTitleHeader title="产品物料查询" subTitle="请选择查询方式" />
+    <AppTitleHeader title="产品物料查询" subTitle="请选择查询方式" :showSubTitle="true" />
 
     <view class="content-section">
       <view class="scan-section">
@@ -48,22 +48,16 @@
         </view>
       </view>
     </view>
-    <BottomActionBar @action="goBack" />
   </view>
 </template>
 
 <script setup>
 import { ref } from 'vue'
 import AppTitleHeader from '@/components/common/AppTitleHeader.vue'
-import BottomActionBar from '@/components/common/BottomActionBar.vue'
 
 const productId = ref('')
 const isScanning = ref(false)
 
-function goBack() {
-  uni.navigateBack()
-}
-
 function startScan() {
   if (isScanning.value) return
   isScanning.value = true
@@ -125,7 +119,7 @@ function navigateToDetail(id) {
 }
 
 .content-section {
-  padding: 40rpx 30rpx 200rpx;
+  padding: 40rpx 30rpx;
 }
 
 .scan-section {
diff --git a/src/pages_function/pages/spare/detail.vue b/src/pages_function/pages/spare/detail.vue
index 1d755f5..809ddf3 100644
--- a/src/pages_function/pages/spare/detail.vue
+++ b/src/pages_function/pages/spare/detail.vue
@@ -37,7 +37,6 @@
         </view>
       </view>
     </view>
-    <BottomActionBar @action="goBack" />
   </view>
 </template>
 
@@ -46,17 +45,12 @@ import { ref, computed } from 'vue'
 import { onLoad } from '@dcloudio/uni-app'
 import request from '@/utils/request'
 import AppTitleHeader from '@/components/common/AppTitleHeader.vue'
-import BottomActionBar from '@/components/common/BottomActionBar.vue'
 
 const spareId = ref(undefined)
 const loading = ref(false)
 const detailData = ref(null)
 const unitList = ref([])
 
-function goBack() {
-  uni.navigateBack();
-}
-
 function detailValue(v) {
   if (v === 0) return '0'
   if (v === false) return '否'
@@ -171,7 +165,7 @@ onLoad((query) => {
 }
 
 .content-section {
-  padding: 0 30rpx 200rpx;
+  padding: 0 30rpx 30rpx;
   margin-top: 40rpx;
 }
 
diff --git a/src/pages_function/pages/spare/index.vue b/src/pages_function/pages/spare/index.vue
index c6dd2be..b48ebd8 100644
--- a/src/pages_function/pages/spare/index.vue
+++ b/src/pages_function/pages/spare/index.vue
@@ -1,6 +1,6 @@
 <template>
   <view class="page-container">
-    <AppTitleHeader title="备件查询" subTitle="请选择查询方式" />
+    <AppTitleHeader title="备件查询" subTitle="请选择查询方式" :showSubTitle="true" />
 
     <view class="content-section">
       <view class="scan-section">
@@ -48,22 +48,16 @@
         </view>
       </view>
     </view>
-    <BottomActionBar @action="goBack" />
   </view>
 </template>
 
 <script setup>
 import { ref } from 'vue';
 import AppTitleHeader from '@/components/common/AppTitleHeader.vue'
-import BottomActionBar from '@/components/common/BottomActionBar.vue'
 
 const spareCode = ref('');
 const isScanning = ref(false);
 
-function goBack() {
-  uni.navigateBack();
-}
-
 function startScan() {
   if (isScanning.value) return;
 
@@ -132,7 +126,7 @@ function navigateToDetail(id) {
 }
 
 .content-section {
-  padding: 40rpx 30rpx 200rpx;
+  padding: 40rpx 30rpx;
 }
 
 .scan-section {