diff --git a/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/controller/app/enforcement/AppEnfEnterpriseInformationController.java b/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/controller/app/enforcement/AppEnfEnterpriseInformationController.java
new file mode 100644
index 00000000..1ea70ef2
--- /dev/null
+++ b/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/controller/app/enforcement/AppEnfEnterpriseInformationController.java
@@ -0,0 +1,122 @@
+package com.zdxt.enforcementcode.controller.app.enforcement;
+
+import cn.dev33.satoken.annotation.SaIgnore;
+import cn.hutool.core.util.StrUtil;
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.zdxt.enforcementcode.domain.vo.EnterpriseInformationVo;
+import com.zdxt.enforcementcode.domain.vo.QrCodeGenerateHistoryVo;
+import com.zdxt.enforcementcode.service.IEnterpriseInformationService;
+import com.zdxt.enforcementcode.service.IQrCodeGenerateHistoryService;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.dromara.common.core.domain.R;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.Map;
+
+@Slf4j
+@RequiredArgsConstructor
+@RestController
+@RequestMapping("/app-enf/enterpriseInfo")
+public class AppEnfEnterpriseInformationController {
+
+    private final IEnterpriseInformationService enterpriseInformationService;
+    private final IQrCodeGenerateHistoryService qrCodeGenerateHistoryService;
+    private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();
+
+    /**
+     * 扫描二维码后获取企业信息（多级降级查询）
+     * <p>
+     * 查询优先级：
+     * 1. 通过 salt 查找企业信息
+     * 2. 通过 codeId 查找二维码记录，再通过 enterpriseNumber 查找企业信息
+     * 3. 通过二维码中的 enterpriseNumber 直接查找企业信息
+     * </p>
+     *
+     * @param qrContent 前端解析二维码获取的原始文本内容
+     * @return 企业信息（含二维码状态）
+     */
+    @SaIgnore
+    @GetMapping("/getEntInfoByQRCode")
+    public R<EnterpriseInformationVo> getEntInfoByQRCode(@RequestParam("qrContent") String qrContent) {
+        log.info("执法端扫码获取企业信息，二维码内容: {}", qrContent);
+
+        // 1. 判断 qrContent 是否为 JSON，是则转为 Map，否则打印日志
+        Map<String, String> qrMap = null;
+        try {
+            qrMap = OBJECT_MAPPER.readValue(qrContent, new TypeReference<Map<String, String>>() {});
+            log.info("二维码内容解析为JSON: {}", qrMap);
+        } catch (Exception e) {
+            log.warn("二维码内容不是JSON格式，原始内容: {}", qrContent);
+        }
+
+        EnterpriseInformationVo enterprise = null;
+        String salt = qrMap != null ? qrMap.get("salt") : null;
+        String codeId = qrMap != null ? qrMap.get("codeId") : null;
+        String enterpriseNumber = qrMap != null ? qrMap.get("enterpriseNumber") : null;
+
+        // 2. 优先通过 salt 查找企业信息
+        if (StrUtil.isNotBlank(salt)) {
+            enterprise = enterpriseInformationService.queryBySalt(salt);
+            if (enterprise != null) {
+                log.info("通过 salt 查询到企业信息: {}", enterprise.getEnterpriseName());
+            } else {
+                log.info("通过 salt[{}] 未查询到企业信息，进入降级处理", salt);
+            }
+        }
+
+        // 3. 降级：通过 codeId 查找二维码记录，再通过 enterpriseNumber 查找企业信息
+        if (enterprise == null && StrUtil.isNotBlank(codeId)) {
+            QrCodeGenerateHistoryVo qrHistory = qrCodeGenerateHistoryService.queryById(codeId);
+            if (qrHistory != null && StrUtil.isNotBlank(qrHistory.getEnterpriseNumber())) {
+                enterprise = enterpriseInformationService.queryByEnterpriseNumber(qrHistory.getEnterpriseNumber());
+                if (enterprise != null) {
+                    log.info("通过 codeId[{}] -> enterpriseNumber[{}] 查询到企业信息: {}",
+                        codeId, qrHistory.getEnterpriseNumber(), enterprise.getEnterpriseName());
+                } else {
+                    log.info("通过 codeId[{}] -> enterpriseNumber[{}] 未查询到企业信息",
+                        codeId, qrHistory.getEnterpriseNumber());
+                }
+            } else {
+                log.info("通过 codeId[{}] 未查询到二维码记录或记录中无 enterpriseNumber", codeId);
+            }
+        }
+
+        // 4. 最终降级：通过二维码中的 enterpriseNumber 直接查找企业信息
+        if (enterprise == null && StrUtil.isNotBlank(enterpriseNumber)) {
+            enterprise = enterpriseInformationService.queryByEnterpriseNumber(enterpriseNumber);
+            if (enterprise != null) {
+                log.info("通过二维码中的 enterpriseNumber[{}] 直接查询到企业信息: {}",
+                    enterpriseNumber, enterprise.getEnterpriseName());
+            } else {
+                log.info("通过 enterpriseNumber[{}] 未查询到企业信息", enterpriseNumber);
+            }
+        }
+
+        if (enterprise == null) {
+            return R.fail("无法通过该二维码识别企业信息");
+        }
+
+        // 5. 校验二维码是否有效
+        boolean qrCodeValid = false;
+        String checkCodeId = codeId;
+        // 如果二维码中没有 codeId，尝试用企业上的 qrCodeId
+        if (StrUtil.isBlank(checkCodeId) && StrUtil.isNotBlank(enterprise.getQrCodeId())) {
+            checkCodeId = enterprise.getQrCodeId();
+        }
+        if (StrUtil.isNotBlank(checkCodeId)) {
+            QrCodeGenerateHistoryVo qrCode = qrCodeGenerateHistoryService.queryById(checkCodeId);
+            if (qrCode != null && qrCode.getStatus() != null && qrCode.getStatus() == 0L) {
+                qrCodeValid = true;
+            }
+        }
+
+        // 6. 设置二维码状态并返回
+        enterprise.setQrCodeValid(qrCodeValid);
+        enterprise.setQrCodeMessage(qrCodeValid ? "二维码正常" : "二维码已过期");
+
+        log.info("执法端扫码查询成功，企业: {}，二维码状态: {}", enterprise.getEnterpriseName(), qrCodeValid ? "正常" : "过期");
+        return R.ok(enterprise);
+    }
+}
diff --git a/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/domain/vo/EnterpriseInformationVo.java b/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/domain/vo/EnterpriseInformationVo.java
index b14800f6..d3d9f70b 100644
--- a/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/domain/vo/EnterpriseInformationVo.java
+++ b/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/domain/vo/EnterpriseInformationVo.java
@@ -153,5 +153,16 @@ public class EnterpriseInformationVo implements Serializable {
     @ExcelProperty(value = "")
     private String operatingTermEnd;
 
+    // ========== 非持久化字段，用于扫码接口返回 ==========
+
+    /**
+     * 二维码是否有效（非数据库字段，扫码接口动态赋值）
+     */
+    private transient Boolean qrCodeValid;
+
+    /**
+     * 二维码状态描述（非数据库字段，扫码接口动态赋值）
+     */
+    private transient String qrCodeMessage;
 
 }
diff --git a/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/service/IEnterpriseInformationService.java b/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/service/IEnterpriseInformationService.java
index fd6b3b3e..2a3cfb58 100644
--- a/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/service/IEnterpriseInformationService.java
+++ b/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/service/IEnterpriseInformationService.java
@@ -76,6 +76,14 @@ public interface IEnterpriseInformationService {
      */
     EnterpriseInformationVo queryByEnterpriseNumber(String enterpriseNumber);
 
+    /**
+     * 根据盐加密字符串查询唯一企业信息
+     *
+     * @param salt 盐加密字符串
+     * @return 企业信息，不存在返回 null
+     */
+    EnterpriseInformationVo queryBySalt(String salt);
+
     /**
      * 为企业生成蓝色二维码（含 LOGO）
      * <p>如果企业已存在有效二维码，则直接返回已有记录，不重复生成</p>
diff --git a/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/service/impl/EnterpriseInformationServiceImpl.java b/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/service/impl/EnterpriseInformationServiceImpl.java
index d4781bd1..c63389a0 100644
--- a/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/service/impl/EnterpriseInformationServiceImpl.java
+++ b/ruoyi-modules/zdxt-enforcement-code/src/main/java/com/zdxt/enforcementcode/service/impl/EnterpriseInformationServiceImpl.java
@@ -177,6 +177,23 @@ public class EnterpriseInformationServiceImpl implements IEnterpriseInformationS
         return list.get(0);
     }
 
+    /**
+     * 根据盐加密字符串查询唯一企业信息
+     */
+    @Override
+    public EnterpriseInformationVo queryBySalt(String salt) {
+        if (StringUtils.isBlank(salt)) {
+            return null;
+        }
+        LambdaQueryWrapper<EnterpriseInformation> lqw = Wrappers.lambdaQuery();
+        lqw.eq(EnterpriseInformation::getSalt, salt);
+        List<EnterpriseInformationVo> list = baseMapper.selectVoList(lqw);
+        if (list.isEmpty()) {
+            return null;
+        }
+        return list.get(0);
+    }
+
     /**
      * 为企业生成蓝色二维码（含 LOGO）
      * <p>如果企业已存在有效二维码，则直接返回已有记录，不重复生成</p>
diff --git a/zdxt-web-client/zdxt-enforcement-code-app/src/api/enforcement/index.js b/zdxt-web-client/zdxt-enforcement-code-app/src/api/enforcement/index.js
index 9a35e6d7..3b63046e 100644
--- a/zdxt-web-client/zdxt-enforcement-code-app/src/api/enforcement/index.js
+++ b/zdxt-web-client/zdxt-enforcement-code-app/src/api/enforcement/index.js
@@ -7,4 +7,7 @@ let enforcementAppBaseUrl = "/app-enf";
 // 执法端用户登录
 export const enforcementLogin = (params, success, error) => _post(enforcementAppBaseUrl + "/login/do", params, success, error);
 
+// 扫描二维码后获取企业信息（qrContent 为前端解析二维码获取的原始文本）
+export const getEntInfoByQRCode = (qrContent, success, error) => _get(enforcementAppBaseUrl + "/enterpriseInfo/getEntInfoByQRCode", { qrContent }, success, error);
+
 // endregion
diff --git a/zdxt-web-client/zdxt-enforcement-code-app/src/router/enforcement-app/enf-main-router.js b/zdxt-web-client/zdxt-enforcement-code-app/src/router/enforcement-app/enf-main-router.js
index a8c952ac..e5e4732f 100644
--- a/zdxt-web-client/zdxt-enforcement-code-app/src/router/enforcement-app/enf-main-router.js
+++ b/zdxt-web-client/zdxt-enforcement-code-app/src/router/enforcement-app/enf-main-router.js
@@ -27,6 +27,15 @@ const routes = [
             isKeepAlive: false,
         },
     },
+    // 执法端扫码-企业详情预览
+    {
+        path: "/enforcement/enterpriseScanPreview",
+        name: "enfEnterpriseScanPreview",
+        component: () => import("@/views/enforcement/enterpriseScanPreview.vue"),
+        meta: {
+            isKeepAlive: false,
+        },
+    },
 ];
 
 export {routes};
diff --git a/zdxt-web-client/zdxt-enforcement-code-app/src/views/enforcement/enterpriseScanPreview.vue b/zdxt-web-client/zdxt-enforcement-code-app/src/views/enforcement/enterpriseScanPreview.vue
new file mode 100644
index 00000000..7b3e0100
--- /dev/null
+++ b/zdxt-web-client/zdxt-enforcement-code-app/src/views/enforcement/enterpriseScanPreview.vue
@@ -0,0 +1,229 @@
+<template>
+    <div class="home app_content">
+        <!-- 返回首页 -->
+        <span class="tohome" @click="toEnforcementHome">
+            <i class="van-badge__wrapper van-icon van-icon-wap-home-o"></i>
+        </span>
+
+        <!-- 中间 -->
+        <div class="warp_body">
+            <div class="white-body">
+                <!-- Tab 切换 -->
+                <div class="tabs">
+                    <ul>
+                        <li v-for="(item, index) in tabList" :key="index"
+                            @click="currentTab = index"
+                            :class="{ active: index === currentTab }">
+                            <span>{{ item.title }}</span>
+                        </li>
+                    </ul>
+                </div>
+
+                <!-- 企业画像 Tab -->
+                <div v-if="currentTab === 0" class="tab-content">
+                    <div v-if="enterpriseData" class="enterprise-info">
+                        <van-cell-group inset>
+                            <van-cell title="企业名称" :value="enterpriseData.enterpriseName" />
+                            <van-cell title="纳税识别号" :value="enterpriseData.enterpriseNumber" />
+                            <van-cell title="企业类型" :value="enterpriseData.enterpriseType" />
+                            <van-cell title="法定代表人" :value="enterpriseData.legalPerson" />
+                            <van-cell title="注册资本" :value="enterpriseData.registeredCapital" />
+                            <van-cell title="成立日期" :value="formatDate(enterpriseData.establishmentTime)" />
+                            <van-cell title="营业期限" :value="enterpriseData.operatingTerm" />
+                            <van-cell title="企业地址" :value="enterpriseData.enterpriseAddress" :label="enterpriseData.enterpriseAddress" />
+                            <van-cell title="经营范围" :label="enterpriseData.businessScope" />
+                            <van-cell title="联系电话" :value="enterpriseData.enterpriseTel" />
+                            <van-cell title="所属行业" :value="enterpriseData.industry" />
+                        </van-cell-group>
+                    </div>
+                    <van-empty v-else description="暂无企业信息" />
+                </div>
+
+                <!-- 执法记录 Tab -->
+                <div v-if="currentTab === 1" class="tab-content">
+                    <van-empty description="执法记录功能待对接" />
+                </div>
+            </div>
+        </div>
+
+        <!-- 登记按钮 -->
+        <div class="addinfo" @click="toSign">登记</div>
+    </div>
+</template>
+
+<script setup name="EnterpriseScanPreview">
+import { ref, onMounted } from 'vue';
+import { useRouter, useRoute } from 'vue-router';
+import { showFailToast } from 'vant';
+
+const router = useRouter();
+const route = useRoute();
+
+// ========== 数据 ==========
+const currentTab = ref(0);
+const tabList = [
+    { title: '企业画像', value: '0' },
+    { title: '执法记录', value: '1' },
+];
+const enterpriseData = ref(null);
+const enterpriseNumber = ref('');
+const qrCodeValid = ref(false);
+
+// ========== 初始化加载 ==========
+onMounted(() => {
+    // 从 sessionStorage 读取扫码页传递的企业信息
+    const cached = sessionStorage.getItem('enterpriseScanData');
+    if (cached) {
+        try {
+            const data = JSON.parse(cached);
+            enterpriseData.value = data;
+            enterpriseNumber.value = data.enterpriseNumber || '';
+            qrCodeValid.value = !!data.qrCodeValid;
+            console.log('企业详情加载成功（来自缓存）:', data.enterpriseName);
+        } catch (e) {
+            console.error('解析企业缓存数据失败', e);
+            showFailToast('企业信息解析失败');
+        }
+    } else {
+        showFailToast('缺少企业信息，请重新扫码');
+    }
+});
+
+// ========== 工具方法 ==========
+const formatDate = (dateStr) => {
+    if (!dateStr) return '';
+    const d = new Date(dateStr);
+    return `${d.getFullYear()}-${String(d.getMonth() + 1).padStart(2, '0')}-${String(d.getDate()).padStart(2, '0')}`;
+};
+
+// ========== 页面跳转 ==========
+const toEnforcementHome = () => {
+    router.push({ path: '/enforcement/enforcementHome' });
+};
+
+const toSign = () => {
+    router.push({
+        path: '/sign',
+        query: {
+            enterpriseNumber: enterpriseNumber.value,
+            reason: route?.query?.reason || '',
+            checkCss: route?.query?.checkCss || '',
+            isNoScan: route?.query?.isNoScan || 'false',
+        },
+    });
+};
+</script>
+
+<style lang="less" scoped>
+.home {
+    display: flex;
+    flex-direction: column;
+    height: 100%;
+    overflow: hidden;
+    background-color: #ebf3fb;
+
+    .warp_body {
+        position: relative;
+        flex: 1;
+        overflow-y: auto;
+        background-image: linear-gradient(to bottom, #ebf3fb, transparent);
+    }
+
+    .white-body {
+        margin: 0 3%;
+        width: 94%;
+        min-height: 100vh;
+        background-color: #fff;
+        border-radius: 0.27rem;
+    }
+}
+
+.tohome {
+    position: absolute;
+    top: 1.25%;
+    right: 5%;
+    font-size: 0.5rem;
+    z-index: 10;
+}
+
+.tabs {
+    padding: 3% 3% 0;
+    width: 94%;
+    height: 1.25rem;
+    box-sizing: content-box;
+}
+
+.tabs ul {
+    display: flex;
+    width: 100%;
+    height: 100%;
+    font-size: 0.4rem;
+    line-height: 1.25rem;
+    text-align: center;
+    align-content: center;
+    justify-items: center;
+}
+
+.tabs ul li {
+    float: left;
+    width: 50%;
+    height: 100%;
+    cursor: pointer;
+}
+
+.tabs ul li span {
+    display: block;
+    width: 100%;
+    height: 100%;
+    color: #4aa1f9;
+    background: #e6f0fd;
+    border-radius: 0.15rem;
+}
+
+.tabs ul li.active span {
+    background: linear-gradient(135deg, #3b82f6, #2563eb);
+    color: #fff;
+}
+
+.tab-content {
+    padding: 0.3rem;
+}
+
+.enterprise-info {
+    :deep(.van-cell) {
+        padding: 0.25rem 0.35rem;
+        font-size: 0.35rem;
+    }
+    :deep(.van-cell__title) {
+        color: #999;
+        flex: none;
+        width: 2.5rem;
+    }
+    :deep(.van-cell__value) {
+        color: #333;
+    }
+    :deep(.van-cell__label) {
+        color: #666;
+        font-size: 0.32rem;
+        line-height: 1.5;
+    }
+}
+
+.addinfo {
+    position: absolute;
+    bottom: 3%;
+    right: 2%;
+    z-index: 99999;
+    width: 1.5rem;
+    height: 1.5rem;
+    background-color: #1367fe;
+    border-radius: 50%;
+    box-shadow: 0 0 0.27rem #1367fe;
+    color: #fff;
+    font-size: 0.4rem;
+    text-align: center;
+    vertical-align: middle;
+    padding-top: 0.45rem;
+    box-sizing: border-box;
+}
+</style>
diff --git a/zdxt-web-client/zdxt-enforcement-code-app/src/views/enforcement/scanEntQRCode.vue b/zdxt-web-client/zdxt-enforcement-code-app/src/views/enforcement/scanEntQRCode.vue
index e294f2bd..3b6774b8 100644
--- a/zdxt-web-client/zdxt-enforcement-code-app/src/views/enforcement/scanEntQRCode.vue
+++ b/zdxt-web-client/zdxt-enforcement-code-app/src/views/enforcement/scanEntQRCode.vue
@@ -51,6 +51,7 @@ import { ref, reactive, onMounted, onBeforeUnmount, nextTick } from 'vue';
 import { useRouter } from 'vue-router';
 import { showFailToast, showSuccessToast, showToast, showConfirmDialog } from 'vant';
 import { baseUrl, appEnv } from '@/config/env.js';
+import { getEntInfoByQRCode } from '@/api/enforcement/index';
 import wx from 'weixin-js-sdk';
 
 const router = useRouter();
@@ -92,6 +93,7 @@ const openHtml5QrcodeScanner = async () => {
         );
     } catch (err) {
         console.error('摄像头启动失败', err);
+        html5QrCode = null; // 启动失败，清除实例，避免销毁时调 stop 报错
         showScanner.value = false;
         // 摄像头不可用时，提供上传二维码图片的后备方案
         showConfirmDialog({
@@ -219,24 +221,28 @@ const handleScanResult = (resultStr) => {
     console.log('========== 扫码结果处理 ==========');
     console.log('原始内容:', resultStr);
 
-    if (isHttpLink(resultStr)) {
-        // HTTP 链接类型（市监二维码）
-        // TODO: 对接服务端 getEnterpriseInfoBySj 接口
-        console.log('识别到 HTTP 链接，待对接服务端接口:', resultStr);
-        showToast('识别到企业链接，服务端接口待对接');
-    } else {
-        // JSON 类型（执法码二维码）
-        try {
-            const scanObj = JSON.parse(resultStr);
-            console.log('解析到 JSON 二维码:', scanObj);
-            // TODO: 对接服务端 checkIsState 接口
-            // checkIsState(scanObj.salt, scanObj.codeId, (res) => { ... });
-            showToast('识别到执法码二维码，服务端接口待对接');
-        } catch (e) {
-            console.warn('非 JSON 格式，原始内容:', resultStr);
-            showFailToast('无法识别该二维码');
+    // 不管解码结果是 HTTP 链接还是纯文本，统一交给后端解析
+    showToast({ message: '正在查询企业信息...', duration: 0 });
+    getEntInfoByQRCode(resultStr, (res) => {
+        showToast({ message: '', duration: 1 }); // 关闭 loading
+        if (res.code === 200) {
+            const data = res.data;
+            console.log('企业信息查询成功:', data);
+            if (!data.qrCodeValid) {
+                showFailToast(data.qrCodeMessage || '二维码已过期');
+            }
+            // 将企业信息存入 sessionStorage，预览页直接使用，无需再调接口
+            sessionStorage.setItem('enterpriseScanData', JSON.stringify(data));
+            // 跳转企业详情预览页
+            router.push({ path: '/enforcement/enterpriseScanPreview' });
+        } else {
+            showFailToast(res.msg || '查询企业信息失败');
         }
-    }
+    }, (err) => {
+        showToast({ message: '', duration: 1 });
+        console.error('getEntInfoByQRCode 调用失败', err);
+        showFailToast('查询企业信息失败，请重试');
+    });
 };
 
 const isHttpLink = (url) => {