diff --git a/src/main/resources/static/assets/mobile/js/basic.js b/src/main/resources/static/assets/mobile/js/basic.js
index c76ad5d..b57d642 100644
--- a/src/main/resources/static/assets/mobile/js/basic.js
+++ b/src/main/resources/static/assets/mobile/js/basic.js
@@ -119,3 +119,103 @@ const modal = {
     }
 }
 Vue.prototype.$modal = modal
+
+// H5 弹框共享一个 popstate 监听器；仅主动注册的页面会写入历史记录。
+const mobilePopupHistory = (() => {
+    const marker = '__mobilePopupId'
+    const entries = []
+    let sequence = 0
+    let owners = 0
+    let pending = null
+    const session = Date.now().toString(36)
+
+    // 先移除栈项再同步界面，避免 v-model 的 watcher 再次触发历史回退。
+    const removeFrom = (index) => {
+        const removed = entries.splice(index)
+        removed.reverse().forEach(entry => entry.close())
+    }
+    const onPopState = (event) => {
+        const id = event.state && event.state[marker]
+        const index = entries.findIndex(entry => entry.id === id)
+        removeFrom(index + 1)
+        if (pending) {
+            const resolve = pending.resolve
+            pending = null
+            resolve()
+        }
+    }
+    const backFrom = (index) => {
+        if (index < 0) {
+            return Promise.resolve()
+        }
+        const count = entries.length - index
+        let resolveBack
+        const promise = new Promise(resolve => { resolveBack = resolve })
+        pending = {promise: promise, resolve: resolveBack}
+        removeFrom(index)
+        window.history.go(-count)
+        return promise
+    }
+
+    return {
+        /**
+         * 注册当前页面，无参数。返回 sync/close/clear/dispose 方法。
+         * sync(key, visible, close)：key 为页面内唯一弹框名，visible 为显示状态，
+         * close 为无参关闭回调。close(key) 和 clear() 返回历史回退完成的 Promise，
+         * 页面跳转必须等待 clear() 完成；dispose() 用于销毁时注销回调和监听器。
+         */
+        register() {
+            const owner = {}
+            let disposed = false
+            if (owners++ === 0) {
+                window.addEventListener('popstate', onPopState)
+            }
+            const handle = {
+                sync(key, visible, close) {
+                    if (disposed) {
+                        return
+                    }
+                    if (pending) {
+                        pending.promise.then(() => handle.sync(key, visible, close))
+                        return
+                    }
+                    const index = entries.findIndex(entry => entry.owner === owner && entry.key === key)
+                    if (!visible) {
+                        handle.close(key)
+                    } else if (index < 0) {
+                        const id = session + '-' + (++sequence)
+                        const state = Object.assign({}, window.history.state)
+                        state[marker] = id
+                        window.history.pushState(state, '', window.location.href)
+                        entries.push({id: id, key: key, owner: owner, close: close})
+                    }
+                },
+                close(key) {
+                    if (pending) {
+                        return pending.promise.then(() => handle.close(key))
+                    }
+                    // 关闭下层弹框时一并关闭其上层，保持浏览器历史与可见层级一致。
+                    return backFrom(entries.findIndex(entry => entry.owner === owner && entry.key === key))
+                },
+                clear() {
+                    if (pending) {
+                        return pending.promise.then(() => handle.clear())
+                    }
+                    return backFrom(entries.findIndex(entry => entry.owner === owner))
+                },
+                dispose() {
+                    if (disposed) {
+                        return
+                    }
+                    disposed = true
+                    handle.clear().then(() => {
+                        if (--owners === 0) {
+                            window.removeEventListener('popstate', onPopState)
+                        }
+                    })
+                },
+            }
+            return handle
+        },
+    }
+})()
diff --git a/src/main/resources/views/mobile/healthCheckup/checkUp.html b/src/main/resources/views/mobile/healthCheckup/checkUp.html
index b512097..3965409 100644
--- a/src/main/resources/views/mobile/healthCheckup/checkUp.html
+++ b/src/main/resources/views/mobile/healthCheckup/checkUp.html
@@ -113,6 +113,30 @@ layout("/mobile/platform.html"){
         /*margin-top: 30px;*/
     }
 
+    /* 标题不参与滚动，说明正文独占弹框剩余高度。 */
+    .checkup-desc-popup {
+        display: flex;
+        flex-direction: column;
+        overflow: hidden;
+    }
+
+    .checkup-desc-popup > .van-nav-bar {
+        flex-shrink: 0;
+    }
+
+    .checkup-desc-content {
+        flex: 1;
+        min-height: 0;
+        overflow-y: auto;
+        -webkit-overflow-scrolling: touch;
+        overscroll-behavior-y: contain;
+    }
+
+    .checkup-desc-content img {
+        max-width: 100%;
+        height: auto;
+    }
+
 
     .van-dropdown-menu__bar {
         display: flex;
@@ -183,7 +207,7 @@ layout("/mobile/platform.html"){
                 </div>
                 <div class="van-card-body">
                     <template v-if="!optionTypeList || optionTypeList.length == 0">
-                        <van-field @click="campusVisible = true" readonly is-link label="院区" name="campus"
+                        <van-field @click="openCampus" readonly is-link label="院区" name="campus"
                                    placeholder="请选择体检院区" v-model="formData.campusName"
                                    :rules="[{ required: true }]"></van-field>
                     </template>
@@ -260,21 +284,21 @@ layout("/mobile/platform.html"){
         <van-picker
                 title="院区" show-toolbar
                 :columns="campusList" value-key="campusName"
-                @confirm="(value, index) => {formData.campusName = value.campusName; formData.campus = value.id; campusVisible = false}"
-                @cancel="campusVisible = false">
+                @confirm="confirmCampus"
+                @cancel="closeCampus">
         </van-picker>
     </van-popup>
 
     <!--查看说明-->
-    <van-popup position="right" v-model="descVisible" :style="{ height: '100%',width: '100%'}">
-        <van-sticky :offset-top="0">
-            <van-nav-bar @click-left="descVisible=false" left-arrow
+    <van-popup class="checkup-desc-popup" position="right" v-model="descVisible" :style="{ height: '100%',width: '100%'}">
+            <van-nav-bar @click-left="closeDescription" left-arrow
                          title="详情"></van-nav-bar>
-        </van-sticky>
-        <div v-html="desc" class="pre_text" @click="descClick($event)"></div>
+        <div ref="descContent" class="checkup-desc-content">
+            <div v-html="desc" class="pre_text" @click="descClick($event)"></div>
+        </div>
     </van-popup>
 
-    <van-dialog v-model="confirmShow" title="提示" show-cancel-button :before-close="onBeforeClose">
+    <van-dialog v-model="confirmShow" title="提示" show-cancel-button :close-on-popstate="false" :before-close="onBeforeClose">
         <div class="van-dialog__message van-dialog__message--has-title">您确定要选择{{chooseOptionName}}吗？</div>
         <van-radio-group v-model="formData.marry">
             <van-cell-group>
@@ -322,10 +346,59 @@ layout("/mobile/platform.html"){
                 noticeText: '',
             }
         },
+        watch: {
+            descVisible(value) {
+                this.syncPopupHistory('descVisible', value)
+            },
+            campusVisible(value) {
+                this.syncPopupHistory('campusVisible', value)
+            },
+            confirmShow(value) {
+                this.syncPopupHistory('confirmShow', value)
+            },
+        },
         methods: {
+            // visible 为弹框显示状态；关闭回调仅同步状态，历史回退由全局管理器负责。
+            syncPopupHistory(key, visible) {
+                this.popupHistory.sync(key, visible, () => {
+                    this.$set(this, key, false)
+                })
+            },
+            closeDescription() {
+                this.popupHistory.close('descVisible')
+            },
+            openCampus() {
+                this.$set(this, 'campusVisible', true)
+            },
+            closeCampus() {
+                this.popupHistory.close('campusVisible')
+            },
+            // value 为院区选项，包含 campusName（显示名称）和 id（提交值）。
+            confirmCampus(value) {
+                this.$set(this.formData, 'campusName', value.campusName)
+                this.$set(this.formData, 'campus', value.id)
+                this.closeCampus()
+            },
+            // 条件校验提示也占一层历史；系统返回只关闭提示，不离开选择页面。
+            showConditionMessage(title, message) {
+                this.popupHistory.sync('conditionMessage', true, () => vant.Dialog.close())
+                vant.Dialog.alert({
+                    title: title,
+                    message: message,
+                    confirmButtonColor: '#1867b0',
+                    closeOnPopstate: false,
+                }).then(() => this.popupHistory.close('conditionMessage'))
+                    .catch(() => this.popupHistory.close('conditionMessage'))
+            },
             descClick(e) {
                 if (e.target.tagName === 'IMG') {
-                    vant.ImagePreview([e.target.src])
+                    // 图片预览叠加在详情之上，返回时先关闭预览，再关闭详情。
+                    const preview = vant.ImagePreview({
+                        images: [e.target.src],
+                        closeOnPopstate: false,
+                        onClose: () => this.popupHistory.close('descriptionImage'),
+                    })
+                    this.popupHistory.sync('descriptionImage', true, () => preview.close())
                 }
             },
             async doChangeHealthProjectSubject(item) {
@@ -333,11 +406,7 @@ layout("/mobile/platform.html"){
                     cndId: item.conditionStructureId,
                 })
                 if (res.code !== 0) {
-                    vant.Dialog.alert({
-                        title: '提示',
-                        message: res.msg,
-                        confirmButtonColor: '#1867b0'
-                    })
+                    this.showConditionMessage('提示', res.msg)
                     this.formData.subjectId = ''
                 } else {
                     this.$nextTick(() => {
@@ -355,6 +424,11 @@ layout("/mobile/platform.html"){
                 if (o.description) {
                     this.desc = o.description
                     this.descVisible = true
+                    this.$nextTick(() => {
+                        if (this.$refs.descContent) {
+                            this.$refs.descContent.scrollTop = 0
+                        }
+                    })
                 } else {
                     vant.Toast('暂无详细说明')
                 }
@@ -404,7 +478,9 @@ layout("/mobile/platform.html"){
                         toast.clear()
                     }, 500)
                     if (resp.code === 0) {
-                        location.href = '/mobile/healthCheckup/mine'
+                        this.popupHistory.clear().then(() => {
+                            location.href = '/mobile/healthCheckup/mine'
+                        })
                     }
                 }, 1000)
             },
@@ -418,11 +494,7 @@ layout("/mobile/platform.html"){
                     cndId: p.conditionStructureId,
                 })
                 if (res.code !== 0) {
-                    vant.Dialog.alert({
-                        title: '温馨提醒',
-                        message: res.msg,
-                        confirmButtonColor: '#1867b0'
-                    })
+                    this.showConditionMessage('温馨提醒', res.msg)
                     return
                 }
                 this.chooseOptionName = p.optionName
@@ -484,6 +556,7 @@ layout("/mobile/platform.html"){
             },
         },
         async created() {
+            this.popupHistory = mobilePopupHistory.register()
             this.id = GetQueryString('projectId')
             this.selectId = GetQueryString('selectId')
             await this.getCampus()
@@ -492,6 +565,9 @@ layout("/mobile/platform.html"){
                 await this.getSelectInfo()
             }
         },
+        beforeDestroy() {
+            this.popupHistory.dispose()
+        },
     })
     window.onload = () => {
         window.addEventListener('pageshow', e => {