diff --git a/pom.xml b/pom.xml
index 34586ee..11deb30 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
         <pinyin4j.veision>2.5.1</pinyin4j.veision>
         <poi.version>4.1.2</poi.version>
         <tencentcloud-sdk-java.version>4.0.11</tencentcloud-sdk-java.version>
-        <lombok.version>1.18.12</lombok.version>
+        <lombok.version>1.18.32</lombok.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <v.version>1.0.1</v.version>
     </properties>
@@ -463,9 +463,12 @@
                 <artifactId>maven-compiler-plugin</artifactId>
                 <version>3.7.0</version>
                 <configuration>
-                    <source>15</source>
-                    <target>15</target>
-                    <compilerArgs>--enable-preview</compilerArgs>
+                    <source>17</source>
+                    <target>17</target>
+                    <compilerArgs>
+                        <arg>--add-opens</arg>
+                        <arg>java.base/java.lang=ALL-UNNAMED</arg>
+                    </compilerArgs>
                     <useIncrementalCompilation>false</useIncrementalCompilation>
                 </configuration>
             </plugin>
diff --git a/src/main/java/io/v/nutz/brandtrainactivity/controller/mobile/BrandTrainScanCodeController.java b/src/main/java/io/v/nutz/brandtrainactivity/controller/mobile/BrandTrainScanCodeController.java
index 4725683..def3f9f 100644
--- a/src/main/java/io/v/nutz/brandtrainactivity/controller/mobile/BrandTrainScanCodeController.java
+++ b/src/main/java/io/v/nutz/brandtrainactivity/controller/mobile/BrandTrainScanCodeController.java
@@ -54,8 +54,8 @@ public class BrandTrainScanCodeController {
      * 用户在签到地图中手动确认签到，浏览页面及获取定位本身均不写入签到记录。
      *
      * @param courseId 二维码携带的品牌课程ID，当前用户从服务端登录态取得
-     * @param longitude 当前腾讯定位的经度，须与地图显示点位同为GCJ-02坐标
-     * @param latitude 当前定位的纬度，与经度共同用于服务端配置半径的范围校验
+     * @param longitude 保留兼容的GCJ-02经度，腾讯地图余额耗尽、临时停用定位校验期间可不传
+     * @param latitude 保留兼容的GCJ-02纬度，临时停用定位和范围校验期间可不传
      * @return Result的code/msg/data；0签到成功，99业务提示，已签到时data仍保留当前状态和达标事项
      */
     @At
@@ -67,9 +67,10 @@ public class BrandTrainScanCodeController {
         if (StrUtil.isBlank(courseId)) {
             return Result.error(99, "缺少签到点位信息");
         }
-        if (longitude == null || latitude == null) {
-            return Result.error(99, "请先获取当前定位后再签到");
-        }
+        // 腾讯地图余额耗尽，暂不要求定位；恢复时需同步恢复前端定位及service点位范围校验。
+        // if (longitude == null || latitude == null) {
+        //     return Result.error(99, "请先获取当前定位后再签到");
+        // }
         try {
             NutMap result = brandTrainSignUpActivityService.handleScanCodeSign(courseId, ShiroUtil.getPlatformUid(), longitude, latitude);
             return Result.NEW().addCode(result.getInt("code")).addMsg(result.getString("msg")).addData(result.get("data"));
diff --git a/src/main/java/io/v/nutz/brandtrainactivity/service/BrandTrainSignUpActivityService.java b/src/main/java/io/v/nutz/brandtrainactivity/service/BrandTrainSignUpActivityService.java
index 66e22fa..0bf33da 100644
--- a/src/main/java/io/v/nutz/brandtrainactivity/service/BrandTrainSignUpActivityService.java
+++ b/src/main/java/io/v/nutz/brandtrainactivity/service/BrandTrainSignUpActivityService.java
@@ -143,12 +143,13 @@ public interface BrandTrainSignUpActivityService extends ViService<BrandTrainSig
     NutMap getScanCodeSignData(String courseId, String userId);
 
     /**
-     * 当前用户在地图页手动签到，校验定位后累计不重复的课程点位，并处理原有达标事项。
+     * 当前用户在地图页手动签到，累计不重复的课程点位，并处理原有达标事项。
+     * 腾讯地图余额耗尽期间临时停用定位和范围校验，恢复时需同步恢复前端、controller和service中的校验。
      *
      * @param courseId 品牌课程ID，不接受普通培训课程或非扫码签到课程
      * @param userId 当前登录用户ID，由服务端登录态取得
-     * @param longitude 当前腾讯地图GCJ-02定位经度，范围为[-180,180]，不能为NaN或无穷值
-     * @param latitude 当前腾讯地图GCJ-02定位纬度，范围为[-90,90]，与课程坐标相距不得超过配置的点位半径
+     * @param longitude 保留兼容的GCJ-02经度，临时停用定位校验期间可不传
+     * @param latitude 保留兼容的GCJ-02纬度，临时停用定位和范围校验期间可不传
      * @return code/msg/data结构；data含签到进度、动态表单、福利跳转及达标处理状态
      */
     NutMap handleScanCodeSign(String courseId, String userId, Double longitude, Double latitude);
diff --git a/src/main/java/io/v/nutz/brandtrainactivity/service/impl/BrandTrainSignUpActivityServiceImpl.java b/src/main/java/io/v/nutz/brandtrainactivity/service/impl/BrandTrainSignUpActivityServiceImpl.java
index c3ce09a..7e34803 100644
--- a/src/main/java/io/v/nutz/brandtrainactivity/service/impl/BrandTrainSignUpActivityServiceImpl.java
+++ b/src/main/java/io/v/nutz/brandtrainactivity/service/impl/BrandTrainSignUpActivityServiceImpl.java
@@ -45,6 +45,7 @@ import java.util.List;
 import java.util.LinkedHashMap;
 import java.util.Map;
 import java.util.Collections;
+import java.util.Comparator;
 import java.util.Objects;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.stream.Collectors;
@@ -756,8 +757,8 @@ public class BrandTrainSignUpActivityServiceImpl extends ViServiceImpl<BrandTrai
     public NutMap handleScanCodeSign(String courseId, String userId, Double longitude, Double latitude) {
         lockScanCodeUser(userId);
         BrandTrainSignUpCourse course = requireScanCodeCourse(courseId, userId);
-        // 地点配置和用户定位均在补报名、课次写入与福利处理之前校验，校验失败不产生业务数据。
-        requireScanCodeLocation(course.getCourseLocationCoordinates(), longitude, latitude, getSignRadius(course));
+        // 腾讯地图余额耗尽期间，仅当前扫码入口临时停用定位和范围校验；恢复时需同步恢复前端定位及controller经纬度校验。
+        // requireScanCodeLocation(course.getCourseLocationCoordinates(), longitude, latitude, getSignRadius(course));
         BrandTrainSignUpActivity activity = dao().fetch(BrandTrainSignUpActivity.class, course.getActivityId());
         ensureScanCodeSignUpUser(activity, course, userId);
         List<BrandTrainSignUpUserCourse> records = dao().query(BrandTrainSignUpUserCourse.class,
@@ -1015,11 +1016,14 @@ public class BrandTrainSignUpActivityServiceImpl extends ViServiceImpl<BrandTrai
                     : "FILE".equals(column.getColumnFormType()) ? new ArrayList<>() : "");
             dynamicColumns.add(columnMap);
         }
+        List<NutMap> signedPoints = buildScanCodeSignedPoints(activity.getId(), attendRecords);
         NutMap data = NutMap.NEW().addv("activityName", activity.getActivityName()).addv("courseName", course.getCourseName())
                 .addv("courseLocation", course.getCourseLocation()).addv("courseLocationCoordinates", course.getCourseLocationCoordinates())
                 .addv("currentPointSigned", attendRecords.stream().anyMatch(item -> Objects.equals(item.getCourseId(), course.getId())))
                 .addv("signRadius", getSignRadius(course))
                 .addv("signCount", signCount).addv("signPointCount", activity.getSignPointCount())
+                .addv("signedPoints", signedPoints)
+                .addv("signPoints", buildScanCodePoints(activity.getId(), signedPoints))
                 .addv("signHandleType", handleType).addv("welfareProjectId", activity.getWelfareProjectId())
                 .addv("isReachTarget", reached).addv("dynamicColumnsData", dynamicColumns)
                 .addv("needDynamicForm", reached && handleType == 1 && !dynamicColumns.isEmpty())
@@ -1040,6 +1044,67 @@ public class BrandTrainSignUpActivityServiceImpl extends ViServiceImpl<BrandTrai
         return data;
     }
 
+    /**
+     * activityId 为已校验的当前活动，attendRecords 仅含当前登录用户在本活动的已签到课次。
+     * 返回点位列表，每项为 courseId、courseName、courseLocation、attendTime（首次签到时间）；按时间倒序。
+     * 同一课程的多个课次只展示一次，与 signCount 计数口径一致；历史课程被删除时保留记录并提示名称。
+     */
+    private List<NutMap> buildScanCodeSignedPoints(String activityId, List<BrandTrainSignUpUserCourse> attendRecords) {
+        Map<String, BrandTrainSignUpUserCourse> firstAttends = new LinkedHashMap<>();
+        attendRecords.stream().filter(item -> StrUtil.isNotBlank(item.getCourseId()))
+                .sorted(Comparator.comparing(BrandTrainSignUpUserCourse::getAttendTime,
+                                Comparator.nullsLast(Comparator.naturalOrder()))
+                        .thenComparing(BrandTrainSignUpUserCourse::getId, Comparator.nullsLast(Comparator.naturalOrder())))
+                .forEach(item -> firstAttends.putIfAbsent(item.getCourseId(), item));
+        if (firstAttends.isEmpty()) {
+            return new ArrayList<>();
+        }
+        // 批量读取点位名称和地点，避免每条记录单独查询；不返回人员、附件或其他报名数据。
+        Map<String, BrandTrainSignUpCourse> courses = dao().query(BrandTrainSignUpCourse.class,
+                        Cnd.where("activityId", "=", activityId).and("id", "in", new ArrayList<>(firstAttends.keySet())))
+                .stream().collect(Collectors.toMap(BrandTrainSignUpCourse::getId, item -> item));
+        return firstAttends.values().stream()
+                .sorted(Comparator.comparing(BrandTrainSignUpUserCourse::getAttendTime,
+                        Comparator.nullsLast(Comparator.reverseOrder())))
+                .map(item -> {
+                    BrandTrainSignUpCourse signedCourse = courses.get(item.getCourseId());
+                    return NutMap.NEW().addv("courseId", item.getCourseId())
+                            .addv("courseName", signedCourse == null ? "点位已删除" : signedCourse.getCourseName())
+                            .addv("courseLocation", signedCourse == null ? "" : signedCourse.getCourseLocation())
+                            .addv("attendTime", item.getAttendTime() == null ? null : DateUtil.formatDateTime(item.getAttendTime()));
+                }).collect(Collectors.toList());
+    }
+
+    /**
+     * activityId 为当前已校验的活动ID；signedPoints 为当前登录用户按课程去重后的已打卡列表。
+     * 返回活动全部点位，每项包含 courseId、courseName、courseLocation、attendTime、signed（是否已打卡）。
+     * 未报名或仅报名的点位均为未打卡，attendTime 为空；课程按配置序号和ID排序，列表不触发任何签到写入。
+     */
+    private List<NutMap> buildScanCodePoints(String activityId, List<NutMap> signedPoints) {
+        Map<String, NutMap> signedByCourse = new LinkedHashMap<>();
+        signedPoints.forEach(point -> signedByCourse.put(point.getString("courseId"), point));
+        Map<String, NutMap> points = new LinkedHashMap<>();
+        List<BrandTrainSignUpCourse> courses = dao().query(BrandTrainSignUpCourse.class,
+                Cnd.where("activityId", "=", activityId).asc("orderNum").asc("id"));
+        for (BrandTrainSignUpCourse pointCourse : courses) {
+            NutMap signedPoint = signedByCourse.get(pointCourse.getId());
+            points.put(pointCourse.getId(), NutMap.NEW().addv("courseId", pointCourse.getId())
+                    .addv("courseName", pointCourse.getCourseName()).addv("courseLocation", pointCourse.getCourseLocation())
+                    .addv("signed", signedPoint != null)
+                    .addv("attendTime", signedPoint == null ? null : signedPoint.get("attendTime")));
+        }
+        // 已删除课程的历史签到仍计入原达标数；保留为已打卡项，避免弹框数量与主页面进度不一致。
+        for (NutMap signedPoint : signedPoints) {
+            if (!points.containsKey(signedPoint.getString("courseId"))) {
+                NutMap historicalPoint = NutMap.NEW();
+                historicalPoint.putAll(signedPoint);
+                historicalPoint.setv("signed", true);
+                points.put(signedPoint.getString("courseId"), historicalPoint);
+            }
+        }
+        return new ArrayList<>(points.values());
+    }
+
     /** 已达标用户复用本项目福利名单服务，并由现有福利选择页处理时间、选项和签收。 */
     @Aop(TransAop.READ_COMMITTED)
     private void completeScanCodeWelfare(String projectId, String userId, NutMap data) {
diff --git a/src/main/java/io/v/nutz/web/commons/ext/map/TMapService.java b/src/main/java/io/v/nutz/web/commons/ext/map/TMapService.java
index d88e6fa..7b77974 100644
--- a/src/main/java/io/v/nutz/web/commons/ext/map/TMapService.java
+++ b/src/main/java/io/v/nutz/web/commons/ext/map/TMapService.java
@@ -21,7 +21,7 @@ public class TMapService {
 
     // 地点搜索仅访问腾讯固定服务；系统TencentMapKey可覆盖参考工程的默认Key。
     private static final String TENCENT_MAP_SUGGESTION_URL = "https://apis.map.qq.com/ws/place/v1/suggestion";
-    private static final String DEFAULT_TENCENT_MAP_KEY = "L5WBZ-3DDKH-KW2DC-WCDWL-Y3SUV-WNBDI";
+    private static final String DEFAULT_TENCENT_MAP_KEY = "NYNBZ-K62KI-DQJGU-U4NJ5-CSME7-ULFMU";
 
     /**
      * 读取腾讯地图地址候选，仅访问固定的地点搜索服务，不修改本地数据。
diff --git a/src/main/resources/static/assets/mobile/js/popupHistory.js b/src/main/resources/static/assets/mobile/js/popupHistory.js
new file mode 100644
index 0000000..c84a1c8
--- /dev/null
+++ b/src/main/resources/static/assets/mobile/js/popupHistory.js
@@ -0,0 +1,111 @@
+/* 手机弹框共用一份历史栈；页面和子组件只注册状态回调，不各自监听 popstate。 */
+;(() => {
+    if (window.mobilePopupHistory) {
+        return
+    }
+    const stateKey = '__mobilePopupHistory'
+    const session = Date.now() + '-' + Math.random().toString(36).slice(2)
+    const entries = []
+    const owners = new Map()
+    let pending = null
+
+    // 保留页面原有 history.state；标记只用于本次页面内的弹框层级，不携带业务数据。
+    const markState = (depth) => Object.assign({}, window.history.state || {}, {
+        [stateKey]: {session: session, depth: depth}
+    })
+    const notify = (entry, visible) => {
+        const callback = owners.get(entry.owner)
+        if (callback) {
+            callback(entry.key, visible)
+        }
+    }
+    /** 回退 count 层历史并等待 popstate；关闭按钮、提交成功及跳转均复用此方法。 */
+    const retreat = (count) => {
+        if (pending) {
+            return pending.promise.then(() => retreat(Math.min(count, entries.length)))
+        }
+        if (count <= 0) {
+            return Promise.resolve()
+        }
+        let complete = null
+        const promise = new Promise((resolve) => {
+            complete = resolve
+        })
+        pending = {promise: promise, complete: complete}
+        window.history.go(-count)
+        return promise
+    }
+    // 唯一的浏览器返回监听：从最上层开始同步关闭，前进到旧记录也不重新打开已关闭弹框。
+    window.addEventListener('popstate', (event) => {
+        const marker = event.state && event.state[stateKey]
+        const depth = marker && marker.session === session ? Math.max(0, marker.depth) : 0
+        while (entries.length > depth) {
+            notify(entries.pop(), false)
+        }
+        if (depth > entries.length) {
+            window.history.replaceState(markState(entries.length), '', window.location.href)
+        }
+        if (pending) {
+            const completed = pending
+            pending = null
+            completed.complete()
+        }
+    })
+
+    window.mobilePopupHistory = {
+        /**
+         * owner 为页面/组件唯一标识；sync(key, visible) 通过 $set 同步对应弹框状态。
+         * 返回 open/close/has/clear/unregister；关闭和清理返回 Promise，完成后才能跳转。
+         */
+        register(owner, sync) {
+            owners.set(owner, sync)
+            return {
+                // 先写历史再打开弹框；正在回退时拒绝打开，避免异步 popstate 误关新弹框。
+                open(key) {
+                    if (pending || entries.some((item) => item.owner === owner && item.key === key)) {
+                        return false
+                    }
+                    const entry = {owner: owner, key: key}
+                    window.history.pushState(markState(entries.length + 1), '', window.location.href)
+                    entries.push(entry)
+                    notify(entry, true)
+                    return true
+                },
+                has(key) {
+                    return entries.some((item) => item.owner === owner && item.key === key)
+                },
+                // 关闭父弹框时同时关闭其上方的子弹框，始终遵循后进先出。
+                close(key) {
+                    if (pending) {
+                        return pending.promise.then(() => this.close(key))
+                    }
+                    const index = entries.findIndex((item) => item.owner === owner && item.key === key)
+                    return retreat(index < 0 ? 0 : entries.length - index)
+                },
+                clear() {
+                    if (pending) {
+                        return pending.promise.then(() => this.clear())
+                    }
+                    const index = entries.findIndex((item) => item.owner === owner)
+                    return retreat(index < 0 ? 0 : entries.length - index)
+                },
+                // 销毁即注销回调，避免迟到的返回事件访问已销毁的 Vue 实例。
+                unregister() {
+                    owners.delete(owner)
+                    return this.clear()
+                }
+            }
+        },
+        /** 无参数；有弹框时仅关闭最上层，返回 true；否则返回 false，由页面正常返回。 */
+        back() {
+            if (pending) {
+                return true
+            }
+            if (!entries.length) {
+                return false
+            }
+            retreat(1)
+            return true
+        }
+    }
+})()
diff --git a/src/main/resources/static/components/module/brandTrainSignUp/BrandTrainDynamicForm.vue b/src/main/resources/static/components/module/brandTrainSignUp/BrandTrainDynamicForm.vue
index 0437b71..74a0cea 100644
--- a/src/main/resources/static/components/module/brandTrainSignUp/BrandTrainDynamicForm.vue
+++ b/src/main/resources/static/components/module/brandTrainSignUp/BrandTrainDynamicForm.vue
@@ -148,6 +148,24 @@ module.exports = {
         event: "updateDynamicData"
     },
     watch: {
+        // 地址、日期及普通选项共用选择器状态；取消、遮罩关闭也必须退出对应历史层。
+        pickerStates: {
+            handler(states) {
+                if (!this.popupHistory) {
+                    return
+                }
+                Object.keys(states).forEach((key) => {
+                    if (states[key] && !this.popupHistory.has(key)) {
+                        if (!this.popupHistory.open(key)) {
+                            this.$set(this.pickerStates, key, false)
+                        }
+                    } else if (!states[key] && this.popupHistory.has(key)) {
+                        this.popupHistory.close(key)
+                    }
+                })
+            },
+            deep: true
+        },
         dynamicData: {
             handler(newValue) {
                 this.initAddressStates(newValue)
@@ -162,6 +180,8 @@ module.exports = {
         return {
             //所有的picker状态
             pickerStates: {},
+            popupHistory: null,
+            imagePreview: null,
             fileLists: {},
             fileValueSnapshots: {},
             addressStates: {},
@@ -454,6 +474,10 @@ module.exports = {
             this.$set(column, "columnValue", addressValue)
         },
         selectFieldClick(column) {
+            // 普通输入框也绑定了点击事件，只有实际存在选择弹框的字段才允许打开历史层。
+            if (column.columnFormType !== 'SELECT') {
+                return
+            }
             this.$set(this.pickerStates, column.columnCode + "Picker", true)
             if (!["DATE", "DATETIME"].includes(column.columnType)) {
                 //说明是普通的下拉框
@@ -613,13 +637,37 @@ module.exports = {
                 return
             }
             if (item.isImage) {
-                vant.ImagePreview([item.url])
+                // 图片预览位于表单之上，也作为独立历史层，返回时先关预览再关表单。
+                if (!this.popupHistory) {
+                    vant.ImagePreview([item.url])
+                    return
+                }
+                if (!this.popupHistory.open('imagePreview')) {
+                    return
+                }
+                this.$set(this, 'imagePreview', vant.ImagePreview({
+                    images: [item.url],
+                    closeOnPopstate: false,
+                    onClose: () => this.popupHistory.close('imagePreview')
+                }))
             } else {
                 window.open(item.url, '_blank')
             }
         }
     },
     created() {
+        if (window.mobilePopupHistory) {
+            this.$set(this, 'popupHistory', window.mobilePopupHistory.register('brand-train-form-' + this._uid, (key, visible) => {
+                if (key === 'imagePreview') {
+                    if (!visible && this.imagePreview) {
+                        this.imagePreview.close()
+                        this.$set(this, 'imagePreview', null)
+                    }
+                    return
+                }
+                this.$set(this.pickerStates, key, visible)
+            }))
+        }
         // console.log(this.dynamicData)
         // this.dynamicData.forEach(v => {
         //   if (v.columnFormType === 'SELECT') {
@@ -627,6 +675,14 @@ module.exports = {
         //   }
         // })
         // console.log(this.dynamicData)
+    },
+    beforeDestroy() {
+        if (this.imagePreview) {
+            this.imagePreview.close()
+        }
+        if (this.popupHistory) {
+            this.popupHistory.unregister()
+        }
     }
 }
 </script>
diff --git a/src/main/resources/views/layouts/platform.html b/src/main/resources/views/layouts/platform.html
index aaf730c..133bd89 100644
--- a/src/main/resources/views/layouts/platform.html
+++ b/src/main/resources/views/layouts/platform.html
@@ -71,7 +71,7 @@
     <script type="text/javascript"
             src="https://webapi.amap.com/maps?v=1.4.15&key=b15158fab2e62a38638ffe27b45cfc6d&plugin=AMap.PolyEditor,AMap.PlaceSearch"></script>
     <!-- 参考工程在公共布局中静态引入腾讯地图，供活动选点及 PJAX 进入后直接使用。 -->
-    <script src="https://map.qq.com/api/gljs?v=2.exp&key=L5WBZ-3DDKH-KW2DC-WCDWL-Y3SUV-WNBDI"></script>
+    <script src="https://map.qq.com/api/gljs?v=2.exp&key=NYNBZ-K62KI-DQJGU-U4NJ5-CSME7-ULFMU"></script>
 
     <!--viewer-->
     <script src="${base!}/assets/platform/plugins/viewer/viewer.min.js"></script>
diff --git a/src/main/resources/views/mobile/brandTrain/scanCode.html b/src/main/resources/views/mobile/brandTrain/scanCode.html
index e8acebb..e1fb415 100644
--- a/src/main/resources/views/mobile/brandTrain/scanCode.html
+++ b/src/main/resources/views/mobile/brandTrain/scanCode.html
@@ -7,8 +7,11 @@ layout("/mobile/platform.html"){
         display: flex;
         height: 100vh;
         height: 100dvh;
+        width: 100%;
+        min-width: 0;
         min-height: 0;
         flex-direction: column;
+        overflow-x: hidden;
         overflow-y: auto;
         background: #f4f7fc;
     }
@@ -20,12 +23,14 @@ layout("/mobile/platform.html"){
     .brand-train-sign-content {
         display: flex;
         flex: 1 0 auto;
+        min-width: 0;
         flex-direction: column;
     }
 
     .brand-train-sign-map {
         /* 固定 SDK 容器定位，防止地图控件溢出到信息区和底部按钮。 */
         position: relative !important;
+        z-index: 0;
         flex: 1 0 240px;
         width: 100%;
         min-height: 240px;
@@ -34,6 +39,9 @@ layout("/mobile/platform.html"){
 
     .brand-train-sign-details {
         flex-shrink: 0;
+        min-width: 0;
+        max-width: 100%;
+        box-sizing: border-box;
         padding: 16px;
         background: #fff;
     }
@@ -46,6 +54,24 @@ layout("/mobile/platform.html"){
         overflow-wrap: anywhere;
     }
 
+    .brand-train-sign-title-row {
+        display: flex;
+        align-items: center;
+        flex-wrap: wrap;
+        gap: 8px 12px;
+    }
+
+    .brand-train-sign-signed {
+        color: #07c160;
+        font-size: 12px;
+        line-height: 20px;
+    }
+
+    .brand-train-sign-signed .van-icon {
+        margin-right: 4px;
+        vertical-align: middle;
+    }
+
     .brand-train-sign-location-tools {
         display: flex;
         margin-bottom: 12px;
@@ -56,6 +82,10 @@ layout("/mobile/platform.html"){
 
     .brand-train-sign-location-tools .van-button {
         flex-shrink: 0;
+        height: 32px;
+        padding: 0 2px;
+        border: 0;
+        background: transparent;
     }
 
     .brand-train-sign-location-status {
@@ -65,6 +95,20 @@ layout("/mobile/platform.html"){
         overflow-wrap: anywhere;
     }
 
+    .brand-train-sign-location-status.is-in-range {
+        color: #263548;
+    }
+
+    .brand-train-sign-location-status.is-in-range::before {
+        display: inline-block;
+        width: 8px;
+        height: 8px;
+        margin-right: 6px;
+        border-radius: 50%;
+        background: #07c160;
+        content: '';
+    }
+
     .brand-train-sign-text {
         margin-top: 6px;
         color: #78869a;
@@ -79,28 +123,218 @@ layout("/mobile/platform.html"){
     }
 
     .brand-train-sign-progress {
-        display: flex;
-        margin-top: 10px;
-        align-items: center;
-        flex-wrap: wrap;
-        gap: 8px;
+        min-width: 0;
+        max-width: 100%;
+        box-sizing: border-box;
+        margin-top: 14px;
+        padding: 12px;
+        border-radius: 10px;
+        background: #f4f7fc;
         color: #78869a;
         font-size: 13px;
         line-height: 20px;
     }
 
+    .brand-train-sign-progress-header {
+        display: flex;
+        align-items: center;
+        flex-wrap: wrap;
+        gap: 4px 8px;
+        margin-bottom: 8px;
+    }
+
+    .brand-train-sign-progress-heading {
+        color: #263548;
+        font-size: 14px;
+        font-weight: 600;
+    }
+
+    .brand-train-sign-record-link {
+        display: inline-flex;
+        min-height: 32px;
+        margin-left: auto;
+        padding: 0;
+        align-items: center;
+        flex-shrink: 0;
+        border: 0;
+        background: transparent;
+        color: #1989fa;
+        font-size: 13px;
+        cursor: pointer;
+    }
+
+    .brand-train-sign-count {
+        margin: 0 3px;
+        color: #1989fa;
+        font-size: 22px;
+        font-weight: 600;
+    }
+
+    .brand-train-sign-progress-track {
+        /* 使用容器百分比宽度，避免旧组件缓存像素宽度后在屏幕尺寸变化时越出卡片。 */
+        width: 100%;
+        height: 8px;
+        margin-top: 10px;
+        overflow: hidden;
+        border-radius: 8px;
+        background: #dce3ee;
+    }
+
+    .brand-train-sign-progress-fill {
+        display: block;
+        height: 100%;
+        max-width: 100%;
+        border-radius: inherit;
+        background: #1989fa;
+        transition: width 0.25s ease;
+    }
+
+    .brand-train-sign-progress-message {
+        margin-top: 8px;
+        font-size: 12px;
+        line-height: 18px;
+    }
+
     .brand-train-sign-map-warning {
         color: #ee0a24;
     }
 
     .brand-train-sign-footer {
+        /* 状态留在信息区，底栏仅容纳操作；双按钮平分宽度，单按钮居中且不铺满屏幕。 */
+        position: sticky;
+        bottom: 0;
+        z-index: 3;
         display: flex;
         flex-shrink: 0;
+        justify-content: center;
+        gap: 12px;
+        padding: 12px 24px;
+        padding-bottom: calc(12px + env(safe-area-inset-bottom));
+        border-top: 1px solid #edf0f5;
+        background: #fff;
+    }
+
+    .brand-train-sign-footer .van-button {
+        flex: 1;
+        min-width: 0;
+        height: 40px;
+        padding: 0 8px;
+        border-radius: 8px;
+        font-size: 14px;
+    }
+
+    .brand-train-sign-footer .van-button:only-child {
+        flex: 0 1 180px;
+    }
+
+    .brand-train-sign-points-popup {
+        /* 从右侧滑入并覆盖整个视口；导航和底部提示保留高度，点位卡片区域独立滚动。 */
+        display: flex;
+        width: 100%;
+        height: 100%;
+        height: 100dvh;
         flex-direction: column;
-        gap: 8px;
+        box-sizing: border-box;
+        overflow: hidden;
+        background: #f5f7fa;
+    }
+
+    .brand-train-sign-points-popup > .van-nav-bar {
+        flex-shrink: 0;
+    }
+
+    .brand-train-sign-points-list {
+        flex: 1;
+        min-height: 0;
+        padding: 16px;
+        overflow-y: auto;
+        overscroll-behavior: contain;
+    }
+
+    .brand-train-sign-point {
+        margin-bottom: 12px;
+        padding: 16px;
+        border: 1px solid #e9edf4;
+        border-radius: 12px;
+        background: #fff;
+    }
+
+    .brand-train-sign-point:last-child {
+        margin-bottom: 0;
+    }
+
+    .brand-train-sign-point .brand-train-sign-title {
+        font-size: 18px;
+        line-height: 28px;
+    }
+
+    .brand-train-sign-point .brand-train-sign-text {
+        margin-top: 10px;
+    }
+
+    .brand-train-sign-point-header {
+        display: flex;
+        align-items: flex-start;
+        justify-content: space-between;
+        gap: 12px;
+    }
+
+    .brand-train-sign-point-header .brand-train-sign-title-row {
+        flex: 1;
+        min-width: 0;
+        gap: 4px 8px;
+    }
+
+    .brand-train-sign-point-status {
+        flex-shrink: 0;
+        padding: 4px 8px;
+        border-radius: 8px;
+        background: #fff7e9;
+        color: #d98a13;
+        font-size: 12px;
+        line-height: 20px;
+        white-space: nowrap;
+    }
+
+    .brand-train-sign-point-status.is-signed {
+        background: #e8fbf2;
+        color: #07c160;
+    }
+
+    .brand-train-sign-point-status .van-icon {
+        margin-right: 4px;
+        font-size: 14px;
+        vertical-align: middle;
+    }
+
+    .brand-train-sign-point-time {
+        margin-top: 12px;
+        padding-top: 12px;
+        border-top: 1px solid #edf0f5;
+        color: #78869a;
+        font-size: 12px;
+        line-height: 18px;
+    }
+
+    .brand-train-sign-point-time-value {
+        display: block;
+        margin-top: 4px;
+        color: #3b4b60;
+        font-size: 14px;
+        line-height: 20px;
+        overflow-wrap: anywhere;
+    }
+
+    .brand-train-sign-points-note {
+        flex-shrink: 0;
         padding: 12px 16px;
         padding-bottom: calc(12px + env(safe-area-inset-bottom));
+        border-top: 1px solid #edf0f5;
         background: #fff;
+        color: #78869a;
+        font-size: 12px;
+        line-height: 18px;
+        text-align: center;
     }
 
     .brand-train-sign-result {
@@ -143,12 +377,13 @@ layout("/mobile/platform.html"){
             <div class="brand-train-sign-details">
                 <div class="brand-train-sign-location-tools">
                     <span class="brand-train-sign-location-status" role="status"
-                          :class="{'brand-train-sign-map-warning': mapError || locationError || distance != null && !isInRange}">
+                          :class="{'brand-train-sign-map-warning': mapError || locationError || distance != null && !isInRange,
+                                   'is-in-range': !mapError && !locationError && !locating && isInRange}">
                         <template v-if="mapError">{{mapError}}</template>
                         <template v-else-if="locating">正在获取您的当前位置</template>
                         <template v-else-if="locationError">{{locationError}}</template>
-                        <template v-else-if="distance != null">距签到地点约{{distanceText}}米 · {{isInRange ? '已进入签到范围' : '尚未进入签到范围'}}</template>
-                        <template v-else>正在准备地图和定位服务</template>
+                        <template v-else-if="distance != null">{{isInRange ? '已进入签到范围' : '尚未进入签到范围'}}</template>
+                        <template v-else>可直接点击下方按钮签到</template>
                     </span>
                     <van-button v-if="mapError && siteCoordinates.length === 2" size="small" plain type="info"
                                 :loading="mapLoading" @click="initSignMap">重新加载地图</van-button>
@@ -156,20 +391,31 @@ layout("/mobile/platform.html"){
                                 :loading="locating" :disabled="!mapReady || signLoading"
                                 @click="refreshPosition">重新定位</van-button>
                 </div>
-                <div class="brand-train-sign-title">{{signData.courseName}}</div>
-                <div class="brand-train-sign-text">
-                    <van-icon name="location-o"></van-icon>{{signData.courseLocation || '未填写地点名称'}}
+                <div class="brand-train-sign-title-row">
+                    <div class="brand-train-sign-title">{{signData.courseName}}</div>
+                    <span v-if="currentPointSigned" class="brand-train-sign-signed" role="status">
+                        <van-icon name="checked"></van-icon>当前点位已签到
+                    </span>
                 </div>
                 <div class="brand-train-sign-text">签到范围：{{signRadius}} 米</div>
-                <div v-if="locationAccuracy != null" class="brand-train-sign-text">定位精度约 {{Math.ceil(locationAccuracy)}} 米</div>
+                <div v-if="distance != null" class="brand-train-sign-text">距签到地点约 {{distanceText}} 米</div>
                 <!-- 活动达标与当前点位签到分别展示，避免已达标时误认为所有点位都已签到。 -->
                 <div class="brand-train-sign-progress">
-                    <span>已签到 {{signData.signCount}} 个点位 / 达标需 {{signData.signPointCount}} 个</span>
-                    <van-tag v-if="isReachTarget" plain type="success">活动已达标</van-tag>
-                    <van-tag v-else-if="currentPointSigned" plain type="success">当前点位已签到</van-tag>
+                    <div class="brand-train-sign-progress-header">
+                        <span class="brand-train-sign-progress-heading">活动签到进度</span>
+                        <van-tag v-if="isReachTarget" plain type="success">活动已达标</van-tag>
+                        <button type="button" class="brand-train-sign-record-link" @click="openSignedPoints">
+                            点位打卡情况<van-icon name="arrow"></van-icon>
+                        </button>
+                    </div>
+                    <div>已打卡 <strong class="brand-train-sign-count">{{signData.signCount}}</strong> 个 / 达标需 {{signData.signPointCount}} 个</div>
+                    <div class="brand-train-sign-progress-track" role="progressbar" aria-label="活动签到进度"
+                         aria-valuemin="0" aria-valuemax="100" :aria-valuenow="signProgressPercent"
+                         :aria-valuetext="'已打卡 ' + signData.signCount + ' 个点位，达标需 ' + signData.signPointCount + ' 个'">
+                        <span class="brand-train-sign-progress-fill" :style="{width: signProgressPercent + '%'}"></span>
+                    </div>
+                    <div class="brand-train-sign-progress-message" role="status">{{signProgressMessage}}</div>
                 </div>
-                <div v-if="resultMessage && resultMessage !== '当前活动已达标' && (isReachTarget || currentPointSigned || result.code !== 0)"
-                     class="brand-train-sign-text" role="status">{{resultMessage}}</div>
             </div>
         </template>
         <div v-else class="brand-train-sign-result">
@@ -178,19 +424,45 @@ layout("/mobile/platform.html"){
             <div class="brand-train-sign-title">{{isReachTarget ? '当前活动已达标' : currentPointSigned ? '当前点位已签到' : '签到提示'}}</div>
             <div class="brand-train-sign-text">{{resultMessage}}</div>
         </div>
-        <div v-if="hasSignProgress || signData.needDynamicForm || signData.needWelfareSelect" class="brand-train-sign-footer">
-            <van-button v-if="hasSignProgress" block round type="info" loading-text="签到中..."
-                        :loading="signLoading" :disabled="signDisabled" @click="submitSign">
-                {{currentPointSigned ? '当前点位已签到' : '确认签到'}}
-            </van-button>
-            <van-button v-if="signData.needDynamicForm" block round type="info"
-                        @click="openDynamicForm">填写详细信息</van-button>
-            <van-button v-if="signData.needWelfareSelect" block round type="info"
-                        @click="goWelfareSelect">去选择福利</van-button>
+        <div v-if="showSignButton || showDynamicFormButton || signData.needWelfareSelect" class="brand-train-sign-footer">
+            <van-button v-if="showDynamicFormButton" :plain="showSignButton" type="info"
+                        :disabled="signLoading || formLoading" @click="openDynamicForm">填写详细信息</van-button>
+            <van-button v-if="signData.needWelfareSelect" :plain="showSignButton" type="info"
+                        :disabled="signLoading || formLoading" @click="goWelfareSelect">去选择福利</van-button>
+            <van-button v-if="showSignButton" type="info" loading-text="签到中..."
+                        :loading="signLoading" :disabled="signDisabled" @click="submitSign">确认签到</van-button>
         </div>
     </div>
 
-    <van-popup v-model="dynamicFormPopup" class="brand-train-sign-form-popup" position="right">
+    <van-popup :value="signedPointsPopup" class="brand-train-sign-points-popup" position="right"
+               @input="(visible) => syncSignPopup('signedPointsPopup', visible)">
+        <van-nav-bar title="点位打卡情况" left-text="返回" left-arrow @click-left="closeSignedPoints"></van-nav-bar>
+        <div ref="signPointsList" class="brand-train-sign-points-list">
+            <van-empty v-if="!displaySignPoints.length" description="暂无点位信息"></van-empty>
+            <div v-for="point in displaySignPoints" :key="point.courseId" class="brand-train-sign-point">
+                <div class="brand-train-sign-point-header">
+                    <div class="brand-train-sign-title-row">
+                        <div class="brand-train-sign-title">{{point.courseName || '点位名称未填写'}}</div>
+                        <van-tag v-if="point.courseId === courseId" plain type="primary">当前点位</van-tag>
+                    </div>
+                    <span class="brand-train-sign-point-status" :class="{'is-signed': point.signed === true}">
+                        <van-icon :name="point.signed === true ? 'checked' : 'clock-o'"></van-icon>{{point.signed === true ? '已打卡' : '未打卡'}}
+                    </span>
+                </div>
+                <div class="brand-train-sign-text"><van-icon name="location-o"></van-icon>地点：{{point.courseLocation || '未填写地点名称'}}</div>
+                <div v-if="point.signed === true" class="brand-train-sign-point-time">
+                    签到时间
+                    <span class="brand-train-sign-point-time-value">{{formatAttendTime(point.attendTime)}}</span>
+                </div>
+            </div>
+        </div>
+        <div class="brand-train-sign-points-note">
+            {{isReachTarget ? '活动已达标，仍可继续打卡其他点位' : '完成 ' + signData.signPointCount + ' 个不同点位打卡即可达标'}}
+        </div>
+    </van-popup>
+
+    <van-popup :value="dynamicFormPopup" class="brand-train-sign-form-popup" position="right"
+               :close-on-click-overlay="!formLoading" @input="(visible) => syncSignPopup('dynamicFormPopup', visible)">
         <van-nav-bar title="填写详细信息" left-text="返回" left-arrow fixed placeholder
                      @click-left="closeDynamicForm"></van-nav-bar>
         <div class="brand-train-sign-form-content">
@@ -206,6 +478,7 @@ layout("/mobile/platform.html"){
 </div>
 
 <script src="${base!}/assets/platform/plugins/axios/axios.js"></script>
+<script src="${base!}/assets/mobile/js/popupHistory.js"></script>
 <script>
     <!--#include("/mobile/welfare/include/areaList.js"){}#-->
     window.brandTrainSignUpAreaList = areaList
@@ -230,7 +503,7 @@ layout("/mobile/platform.html"){
     Vue.prototype.$moment = moment
 
     // 腾讯地图与定位组件仅在本页加载；定位和坐标转换统一由腾讯组件处理，实例不进入 Vue 响应式数据。
-    const brandTrainTencentKey = 'L5WBZ-3DDKH-KW2DC-WCDWL-Y3SUV-WNBDI'
+    const brandTrainTencentKey = 'NYNBZ-K62KI-DQJGU-U4NJ5-CSME7-ULFMU'
     const brandTrainTencentLoads = {}
     let brandTrainMap = null
     let brandTrainGeolocation = null
@@ -240,6 +513,7 @@ layout("/mobile/platform.html"){
     let brandTrainLocationTimer = null
     let brandTrainLocationRequestId = 0
     let brandTrainMapDestroyed = false
+    let brandTrainPopupHistory = null
 
     new Vue({
         el: '#app',
@@ -259,9 +533,9 @@ layout("/mobile/platform.html"){
                 mapError: '',
                 locationError: '',
                 currentPosition: [],
-                locationAccuracy: null,
                 distance: null,
                 dynamicFormPopup: false,
+                signedPointsPopup: false,
                 dynamicColumnsData: []
             }
         },
@@ -278,7 +552,46 @@ layout("/mobile/platform.html"){
             currentPointSigned() {
                 return this.signData.currentPointSigned === true
             },
-            // 坐标按经度、纬度排列；缺失或超出有效范围时不创建地图，也不允许提交签到。
+            // 达标不影响新点位签到；已签点位仅展示状态，不再占用底部按钮位置。
+            showSignButton() {
+                return this.hasSignProgress && !this.currentPointSigned
+            },
+            showDynamicFormButton() {
+                return this.isReachTarget && this.signData.needDynamicForm === true
+            },
+            signedPoints() {
+                return Array.isArray(this.signData.signedPoints) ? this.signData.signedPoints : []
+            },
+            // 全部点位由活动课程配置提供，已报名但未签到的课程仍属于未打卡。
+            allSignPoints() {
+                return Array.isArray(this.signData.signPoints) ? this.signData.signPoints : []
+            },
+            displaySignPoints() {
+                const signed = this.allSignPoints.filter((point) => point.signed === true)
+                const unsigned = this.allSignPoints.filter((point) => point.signed !== true)
+                // 始终展示全部点位，仅将未打卡项排在前面；组内保持接口顺序，不修改原数组。
+                return unsigned.concat(signed)
+            },
+            // 仅进度条封顶100%，实际点位计数保留超过达标数量的值。
+            signProgressPercent() {
+                const target = Number(this.signData.signPointCount)
+                const count = Number(this.signData.signCount)
+                return target > 0 && Number.isFinite(count) ? Math.min(100, Math.max(0, count / target * 100)) : 0
+            },
+            signProgressMessage() {
+                // 福利失败等服务端提示优先展示，避免美化布局后掩盖业务错误。
+                if (this.signData.handleStatus === 'FAILED' || this.result.code !== 0 && this.result.code !== 99) {
+                    return this.resultMessage
+                }
+                if (this.isReachTarget && !this.currentPointSigned) {
+                    return '已达标，可继续打卡其他点位。'
+                }
+                if (this.isReachTarget) {
+                    return this.resultMessage === '当前活动已达标' ? '当前活动已达标，可继续打卡其他点位。' : this.resultMessage
+                }
+                return this.currentPointSigned ? '请继续完成其他点位签到。' : '到达点位后，点击确认签到。'
+            },
+            // 坐标按经度、纬度排列；缺失或超出有效范围时不创建地图，临时取消定位限制期间不影响签到。
             siteCoordinates() {
                 const coordinates = this.signData.courseLocationCoordinates
                 if (!Array.isArray(coordinates) || coordinates.length !== 2
@@ -300,15 +613,17 @@ layout("/mobile/platform.html"){
                 return this.distance != null && this.distance <= this.signRadius
             },
             signDisabled() {
-                return this.currentPointSigned || this.signLoading || this.locating || !this.mapReady
-                    || this.siteCoordinates.length !== 2 || this.currentPosition.length !== 2 || !this.isInRange
+                // 腾讯定位服务余额耗尽，临时取消地图、定位和范围限制；保留已签到及提交中的防重复判断。
+                return this.currentPointSigned || this.signLoading || this.formLoading
+                //     || this.locating || !this.mapReady
+                //     || this.siteCoordinates.length !== 2 || this.currentPosition.length !== 2 || !this.isInRange
             },
             resultMessage() {
                 if (this.isReachTarget) {
                     return this.signData.handleMsg || '当前活动已达标'
                 }
                 if (this.hasSignProgress && this.result.code === 0) {
-                    return this.currentPointSigned ? '请继续完成其他点位签到。' : '请在签到范围内点击下方按钮完成签到。'
+                    return this.currentPointSigned ? '请继续完成其他点位签到。' : '请点击下方按钮完成签到。'
                 }
                 return this.result.msg || ''
             }
@@ -316,15 +631,45 @@ layout("/mobile/platform.html"){
         methods: {
             // 沿用浏览器返回；从二维码直接进入且没有上一页时，回到当前系统手机首页。
             historyBack() {
+                if (window.mobilePopupHistory.back()) {
+                    return
+                }
                 if (window.history.length > 1) {
                     window.history.back()
                     return
                 }
                 window.location.replace('/mobile/index')
             },
+            /** key 为当前页注册的弹框字段名，visible 为 Vant 关闭事件；历史回退后统一通过 $set 同步。 */
+            syncSignPopup(key, visible) {
+                if (!visible) {
+                    brandTrainPopupHistory.close(key)
+                }
+            },
+            openSignedPoints() {
+                if (!brandTrainPopupHistory.open('signedPointsPopup')) {
+                    return
+                }
+                // 每次打开从首个点位展示，滚动位置不写入浏览器历史栈。
+                this.$nextTick(() => {
+                    if (this.$refs.signPointsList) {
+                        this.$refs.signPointsList.scrollTop = 0
+                    }
+                })
+            },
+            closeSignedPoints() {
+                brandTrainPopupHistory.close('signedPointsPopup')
+            },
+            /** attendTime 为服务端的首次签到时间；返回本地展示字符串，历史缺失或非法时间显示“未记录”。 */
+            formatAttendTime(attendTime) {
+                const time = attendTime ? moment(attendTime) : null
+                return time && time.isValid() ? time.format('YYYY-MM-DD HH:mm:ss') : '未记录'
+            },
             /**
              * courseId 为二维码中的课程点位 ID；本接口只预览，不签到、不补报名，也不写入福利名单。
              * 返回 Result.data，包含进度、地点坐标 [经度, 纬度]、currentPointSigned、signRadius 及达标后的操作配置。
+             * signedPoints 为当前用户已打卡点位数组，每项包含 courseId、courseName、courseLocation、attendTime。
+             * signPoints 为全部点位数组，在上述字段基础上增加 signed 布尔值；未打卡点位 attendTime 为空。
              */
             getSignData() {
                 if (!this.courseId) {
@@ -547,7 +892,7 @@ layout("/mobile/platform.html"){
                     unsupported: '当前环境不支持此定位途径，请更换浏览器或在微信中重试。',
                     sensor: '设备定位传感器未开启，请开启设备定位后重试。',
                     geocoder: '腾讯逆地址解析服务异常（10601），请联系管理员检查该 Key 的服务权限、额度及访问限制。',
-                    conversion: '腾讯坐标转换服务异常（10602），请联系管理员检查该 Key 的服务权限、额度及访问限制。'
+                    // conversion: '腾讯坐标转换服务异常（10602），请联系管理员检查该 Key 的服务权限、额度及访问限制。'
                 }
                 let category = categories[status]
                 if (status === 10001 || status === 0) {
@@ -557,6 +902,8 @@ layout("/mobile/platform.html"){
                     }
                 }
                 const error = new Error(messages[category] || '腾讯定位未成功，请重新定位；若持续失败，请联系管理员查看定位诊断。')
+                // 临时取消定位限制期间，坐标转换失败仅保留诊断，不在页面或 Toast 中提示。
+                error.silent = category === 'conversion'
                 error.diagnostic = {
                     status: status,
                     message: typeof source.message === 'string' ? source.message : '',
@@ -579,7 +926,6 @@ layout("/mobile/platform.html"){
                 this.$set(this, 'locating', true)
                 this.$set(this, 'locationError', '')
                 this.$set(this, 'currentPosition', [])
-                this.$set(this, 'locationAccuracy', null)
                 this.$set(this, 'distance', null)
                 if (brandTrainCurrentMarker) {
                     brandTrainCurrentMarker.setGeometries([])
@@ -615,9 +961,6 @@ layout("/mobile/platform.html"){
                             }
                             this.$set(this, 'currentPosition', coordinates)
                             this.$set(this, 'distance', distance)
-                            // 精度仅供用户判断设备定位质量，不抵扣距离，也不放宽管理员配置的签到半径。
-                            this.$set(this, 'locationAccuracy', Number.isFinite(res.accuracy) && res.accuracy >= 0
-                                ? res.accuracy : null)
                             brandTrainCurrentMarker.setGeometries([{
                                 id: 'current-user',
                                 styleId: 'current',
@@ -648,9 +991,8 @@ layout("/mobile/platform.html"){
                     }
                 }).catch((err) => {
                     if (!brandTrainMapDestroyed) {
-                        this.$set(this, 'locationError', err.message || '定位失败，请重新定位。')
+                        this.$set(this, 'locationError', err.silent ? '' : err.message || '定位失败，请重新定位。')
                         this.$set(this, 'currentPosition', [])
-                        this.$set(this, 'locationAccuracy', null)
                         this.$set(this, 'distance', null)
                         if (brandTrainCurrentMarker) {
                             brandTrainCurrentMarker.setGeometries([])
@@ -688,58 +1030,62 @@ layout("/mobile/platform.html"){
                     return
                 }
                 return this.locatePosition().catch((err) => {
-                    if (!brandTrainMapDestroyed) {
+                    if (!brandTrainMapDestroyed && !err.silent) {
                         this.$toast(err.message || '定位失败，请重新定位。')
                     }
                 })
             },
             /**
-             * 点击后重新定位并提交 courseId、longitude（经度）、latitude（纬度）；不能复用打开页面时的旧位置。
-             * 返回 Result，code=0 表示签到成功、99 为业务提示，data 沿用预览结构；服务端再次校验配置半径。
+             * 点击后提交 courseId（当前二维码的课程点位 ID）；临时取消定位限制期间不传 longitude、latitude。
+             * 返回 Result，code=0 表示签到成功、99 为业务提示，data 沿用预览结构，包含签到状态与活动进度。
              */
             submitSign() {
                 if (this.signDisabled) {
                     return
                 }
                 this.$set(this, 'signLoading', true)
-                return this.locatePosition().then((coordinates) => {
-                    if (!this.isInRange) {
-                        throw new Error('您距签到地点约' + this.distanceText + '米，请在' + this.signRadius + '米范围内签到。')
-                    }
-                    return this.$axios.post('/platform/mobile/brandTrain/scanCode/doSign', {
-                        courseId: this.courseId,
-                        longitude: coordinates[0],
-                        latitude: coordinates[1]
-                    }).then((res) => {
-                        // 业务失败且未返回预览数据时保留地图和现有结果，用户可重新定位后重试。
-                        if (res.data) {
-                            this.$set(this, 'result', res)
-                        }
-                        this.$toast(res.msg || (res.code === 0 ? '签到成功' : '签到失败，请稍后重试'))
-                    })
-                }).catch((err) => {
-                    if (!brandTrainMapDestroyed) {
-                        this.$toast(err.msg || err.message || '签到失败，请稍后重试')
-                    }
-                }).finally(() => {
-                    if (!brandTrainMapDestroyed) {
-                        this.$set(this, 'signLoading', false)
+                // 腾讯定位服务余额耗尽，临时跳过提交前重新定位和距离判断；恢复时需同步恢复后端校验。
+                // return this.locatePosition().then((coordinates) => {
+                //     if (!this.isInRange) {
+                //         throw new Error('您距签到地点约' + this.distanceText + '米，请在' + this.signRadius + '米范围内签到。')
+                //     }
+                return this.$axios.post('/platform/mobile/brandTrain/scanCode/doSign', {
+                    courseId: this.courseId,
+                    // longitude: coordinates[0],
+                    // latitude: coordinates[1]
+                }).then((res) => {
+                    // 业务失败且未返回预览数据时保留地图和现有结果，用户可再次提交重试。
+                    if (res.data) {
+                        this.$set(this, 'result', res)
                     }
+                    this.$toast(res.msg || (res.code === 0 ? '签到成功' : '签到失败，请稍后重试'))
                 })
+                // }) // 恢复定位时，与上方 locatePosition 回调及经纬度参数一起解除注释。
+                    .catch((err) => {
+                        if (!brandTrainMapDestroyed) {
+                            this.$toast(err.msg || err.message || '签到失败，请稍后重试')
+                        }
+                    }).finally(() => {
+                        if (!brandTrainMapDestroyed) {
+                            this.$set(this, 'signLoading', false)
+                        }
+                    })
             },
             // 使用字段副本编辑，取消填写时保留后端返回的原始字段和已保存内容。
             openDynamicForm() {
+                if (!this.showDynamicFormButton || this.signLoading || this.formLoading) {
+                    return
+                }
                 if (!Array.isArray(this.signData.dynamicColumnsData) || this.signData.dynamicColumnsData.length === 0) {
                     this.$toast('当前课程未配置动态表单')
                     return
                 }
                 this.$set(this, 'dynamicColumnsData', JSON.parse(JSON.stringify(this.signData.dynamicColumnsData)))
-                this.$set(this, 'dynamicFormPopup', true)
+                brandTrainPopupHistory.open('dynamicFormPopup')
             },
             closeDynamicForm() {
-                if (!this.formLoading) {
-                    this.$set(this, 'dynamicFormPopup', false)
-                }
+                // NavBar 与系统返回一致：只关闭最上层；保存未完成时由 formLoading 禁止重新发起操作。
+                window.mobilePopupHistory.back()
             },
             /**
              * 提交当前 courseId 及 mobileColumnsValue 字段值 JSON 数组；字段沿用现有动态表单的名称、编码和控件类型。
@@ -773,8 +1119,8 @@ layout("/mobile/platform.html"){
                                 this.$set(this.signData, 'dynamicColumnsData', JSON.parse(JSON.stringify(this.dynamicColumnsData)))
                                 this.$set(this.signData, 'needDynamicForm', false)
                                 this.$set(this.signData, 'handleMsg', '当前活动已达标，详细信息已保存')
-                                this.$set(this, 'dynamicFormPopup', false)
-                                this.$toast('保存成功')
+                                // 等待弹框及其子选择器的历史全部退出后再结束提交，返回时不残留已关闭表单。
+                                return brandTrainPopupHistory.clear().then(() => this.$toast('保存成功'))
                             } else {
                                 this.$toast(res.msg || '保存失败，请稍后重试')
                             }
@@ -794,14 +1140,21 @@ layout("/mobile/platform.html"){
                     this.$toast('当前活动未配置福利跳转地址')
                     return
                 }
-                window.location.href = this.signData.welfareJumpUrl
+                return brandTrainPopupHistory.clear().then(() => {
+                    window.location.href = this.signData.welfareJumpUrl
+                })
             }
         },
         created() {
+            // 页面和表单子组件共用全局历史栈，页面销毁时注销本页回调。
+            brandTrainPopupHistory = window.mobilePopupHistory.register('brand-train-sign-' + this._uid, (key, visible) => {
+                this.$set(this, key, visible)
+            })
             this.$set(this, 'courseId', GetQueryString('courseId') || '')
             this.getSignData()
         },
         beforeDestroy() {
+            brandTrainPopupHistory.unregister()
             brandTrainMapDestroyed = true
             brandTrainLocationRequestId += 1
             window.clearTimeout(brandTrainLocationTimer)
diff --git a/src/main/resources/views/platform/brandTrainSingUp/manage/activity.html b/src/main/resources/views/platform/brandTrainSingUp/manage/activity.html
index dabd17c..bdbd280 100644
--- a/src/main/resources/views/platform/brandTrainSingUp/manage/activity.html
+++ b/src/main/resources/views/platform/brandTrainSingUp/manage/activity.html
@@ -186,6 +186,16 @@ layout("/layouts/platform.html"){
         </el-table>
     </el-dialog>
 
+    <!-- 二维码弹框独立于课程列表，关闭后可继续选择其他课程。 -->
+    <el-dialog title="签到二维码" :visible.sync="courseCodeDialog" :close-on-click-modal="false" width="40%" append-to-body>
+        <div style="width: 100%;">
+            <img :src="courseCodeImage" alt="签到二维码" style="display: block; width: 70%; margin: auto;">
+        </div>
+        <span slot="footer" class="dialog-footer">
+            <el-button @click="closeCourseCode" type="primary">关 闭</el-button>
+        </span>
+    </el-dialog>
+
     <send-msg ref="sendMsg" :url="url"></send-msg>
     <open-qr-code ref="openQRCode" :url="url"></open-qr-code>
 
@@ -203,6 +213,8 @@ layout("/layouts/platform.html"){
             return {
                 url: '',
                 courseDialog: false,
+                courseCodeDialog: false,
+                courseCodeImage: '',
                 trainType: '',
                 trainTypeList: [],
                 welfareProjectList: [],
@@ -254,11 +266,13 @@ layout("/layouts/platform.html"){
                 const qrText = this.isSignExtensionEnabled(this.clickRow)
                     ? window.location.origin + '/platform/mobile/brandTrain/scanCode?courseId=' + encodeURIComponent(row.id)
                     : JSON.stringify(o)
-                const content = jrQrcode.getQrBase64(qrText)
-                let image = new Image()
-                image.src = content
-                let viewer = new Viewer(image)
-                viewer.show()
+                // 每次先更新当前课程的二维码图片，再打开弹框，避免切换课程时显示上一张二维码。
+                this.$set(this, 'courseCodeImage', jrQrcode.getQrBase64(qrText))
+                this.$set(this, 'courseCodeDialog', true)
+            },
+            // 关闭二维码时保留课程列表，便于继续生成其他课程的签到二维码。
+            closeCourseCode() {
+                this.$set(this, 'courseCodeDialog', false)
             },
             // 只有全部课程签到且配置了正整数点位数的活动，才启用手机端扩展流程。
             isSignExtensionEnabled(activity) {