diff --git a/src/main/java/com/petstore/controller/FileController.java b/src/main/java/com/petstore/controller/FileController.java
index c03a9bc..1464af6 100644
--- a/src/main/java/com/petstore/controller/FileController.java
+++ b/src/main/java/com/petstore/controller/FileController.java
@@ -14,6 +14,7 @@ import org.springframework.web.multipart.MultipartFile;
 import java.io.File;
 import java.io.IOException;
 import java.nio.file.Files;
+import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.time.LocalDate;
 import java.util.HashMap;
@@ -28,8 +29,8 @@ import java.util.UUID;
 @CrossOrigin
 public class FileController {
 
-    private final Set<String> IMAGE_EXT = Set.of(".jpg", ".jpeg", ".png", ".gif", ".bmp", ".webp", ".heic", ".heif");
-    private final Set<String> VIDEO_EXT = Set.of(".mp4", ".mov", ".avi", ".mkv", ".flv", ".wmv", ".webm");
+    private static final Set<String> IMAGE_EXT = Set.of(".jpg", ".jpeg", ".png", ".gif", ".bmp", ".webp", ".heic", ".heif");
+    private static final Set<String> VIDEO_EXT = Set.of(".mp4", ".mov", ".avi", ".mkv", ".flv", ".wmv", ".webm");
 
     @Value("${upload.path}")
     private String uploadPath;
diff --git a/src/main/java/com/petstore/controller/ReportLeadController.java b/src/main/java/com/petstore/controller/ReportLeadController.java
new file mode 100644
index 0000000..4542e8d
--- /dev/null
+++ b/src/main/java/com/petstore/controller/ReportLeadController.java
@@ -0,0 +1,110 @@
+package com.petstore.controller;
+
+import com.petstore.entity.ReportLead;
+import com.petstore.service.ReportLeadService;
+import jakarta.servlet.http.HttpServletRequest;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * 报告页留资 & 回访池。
+ * 前 3 个接口面向 H5 宠主端（无需登录，凭 reportToken / unsubscribeToken）。
+ * leads 接口面向老板后台（传 storeId；鉴权逻辑参考项目现有其他后台接口——当前项目里
+ * 管理接口未普遍加鉴权，这里保持一致，由上层网关/前端控制）。
+ */
+@RestController
+@RequestMapping("/api/report")
+@RequiredArgsConstructor
+@CrossOrigin
+public class ReportLeadController {
+
+    private final ReportLeadService reportLeadService;
+
+    /** GET /api/report/{token}/suggestion  — 下次建议日期 */
+    @GetMapping("/{token}/suggestion")
+    public Map<String, Object> suggestion(@PathVariable("token") String token) {
+        Map<String, Object> data = reportLeadService.suggestNext(token);
+        if (data == null) {
+            return Map.of("code", 404, "message", "报告不存在");
+        }
+        return Map.of("code", 200, "data", data);
+    }
+
+    /** POST /api/report/{token}/reminder  — 宠主留资 */
+    @PostMapping("/{token}/reminder")
+    public Map<String, Object> submitReminder(@PathVariable("token") String token,
+                                              @RequestBody Map<String, Object> body,
+                                              HttpServletRequest request) {
+        String phone = body.get("phone") == null ? null : body.get("phone").toString().trim();
+        Object consent = body.get("consent");
+        if (consent == null || !Boolean.parseBoolean(consent.toString())) {
+            return Map.of("code", 400, "message", "需要勾选同意接收服务提醒");
+        }
+        try {
+            ReportLead lead = reportLeadService.submit(token, phone, extractClientIp(request));
+            Map<String, Object> data = new HashMap<>();
+            data.put("ok", true);
+            data.put("leadId", lead.getId());
+            data.put("remindDate", lead.getRemindDate() == null ? null : lead.getRemindDate().toString());
+            data.put("unsubscribeToken", lead.getUnsubscribeToken());
+            return Map.of("code", 200, "data", data);
+        } catch (IllegalArgumentException e) {
+            return Map.of("code", 400, "message", e.getMessage());
+        }
+    }
+
+    /** POST /api/report/unsubscribe  — 一键退订 */
+    @PostMapping("/unsubscribe")
+    public Map<String, Object> unsubscribe(@RequestBody Map<String, Object> body) {
+        String token = body.get("unsubscribeToken") == null ? null : body.get("unsubscribeToken").toString();
+        boolean ok = reportLeadService.unsubscribe(token);
+        if (!ok) {
+            return Map.of("code", 404, "message", "退订链接无效或已失效");
+        }
+        return Map.of("code", 200, "data", Map.of("ok", true));
+    }
+
+    /** GET /api/report/leads?storeId=xxx&status=pending  — 老板后台回访池 */
+    @GetMapping("/leads")
+    public Map<String, Object> leads(@RequestParam Long storeId,
+                                     @RequestParam(required = false, defaultValue = "pending") String status) {
+        List<ReportLead> list;
+        if ("all".equalsIgnoreCase(status)) {
+            list = reportLeadService.listAllForStore(storeId);
+        } else {
+            list = reportLeadService.listPending(storeId);
+        }
+        List<Map<String, Object>> data = list.stream().map(l -> {
+            Map<String, Object> m = new HashMap<>();
+            m.put("id", l.getId());
+            m.put("reportId", l.getReportId());
+            m.put("petName", l.getPetName());
+            m.put("serviceType", l.getServiceType());
+            m.put("phone", l.getPhone());
+            m.put("reminderType", l.getReminderType());
+            m.put("remindDate", l.getRemindDate() == null ? null : l.getRemindDate().toString());
+            m.put("remindStatus", l.getRemindStatus());
+            m.put("createTime", l.getCreateTime());
+            return m;
+        }).toList();
+        return Map.of("code", 200, "data", data);
+    }
+
+    /** 取客户端 IP（合规留证） */
+    private String extractClientIp(HttpServletRequest request) {
+        if (request == null) return null;
+        String[] headers = {"X-Forwarded-For", "X-Real-IP", "Proxy-Client-IP", "WL-Proxy-Client-IP"};
+        for (String h : headers) {
+            String v = request.getHeader(h);
+            if (v != null && !v.isBlank() && !"unknown".equalsIgnoreCase(v)) {
+                int comma = v.indexOf(',');
+                return (comma > 0 ? v.substring(0, comma) : v).trim();
+            }
+        }
+        return request.getRemoteAddr();
+    }
+}
diff --git a/src/main/java/com/petstore/entity/ReportLead.java b/src/main/java/com/petstore/entity/ReportLead.java
new file mode 100644
index 0000000..18e12e7
--- /dev/null
+++ b/src/main/java/com/petstore/entity/ReportLead.java
@@ -0,0 +1,78 @@
+package com.petstore.entity;
+
+import jakarta.persistence.*;
+import lombok.Data;
+
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+
+/**
+ * 宠主在报告页留下的联系方式 + 下次服务提醒。
+ * 一约可多条（宠主可以改手机号重新留资），status 用于软退订与去重。
+ */
+@Data
+@Entity
+@Table(
+        name = "t_report_lead",
+        indexes = {
+                @Index(name = "idx_lead_report_id", columnList = "report_id"),
+                @Index(name = "idx_lead_store_status_remind", columnList = "store_id,remind_status,remind_date"),
+                @Index(name = "idx_lead_phone", columnList = "phone"),
+                @Index(name = "idx_lead_unsubscribe_token", columnList = "unsubscribe_token")
+        }
+)
+public class ReportLead {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @Column(name = "report_id")
+    private Long reportId;
+
+    @Column(name = "store_id")
+    private Long storeId;
+
+    /** 冗余：宠物名 / 服务类型，避免关联报告查询，用于文案拼接 */
+    @Column(name = "pet_name", length = 64)
+    private String petName;
+
+    @Column(name = "service_type", length = 64)
+    private String serviceType;
+
+    @Column(length = 20)
+    private String phone;
+
+    /** 预留：微信 openid（后续公众号/小程序接入后回填） */
+    @Column(name = "wechat_openid", length = 64)
+    private String wechatOpenid;
+
+    /** next_wash / next_grooming / next_bath_groom / next_nail / next_deworm 等 */
+    @Column(name = "reminder_type", length = 32)
+    private String reminderType;
+
+    /** 计算出的下次建议日期（date 不含时间） */
+    @Column(name = "remind_date")
+    private LocalDate remindDate;
+
+    /** pending / sent / canceled / unsubscribed */
+    @Column(name = "remind_status", length = 16)
+    private String remindStatus;
+
+    /** 用户勾选「同意接收」的时间，合规留证 */
+    @Column(name = "consent_at")
+    private LocalDateTime consentAt;
+
+    /** 用户提交时的 IP（合规留证） */
+    @Column(name = "consent_ip", length = 64)
+    private String consentIp;
+
+    /** 独立的退订令牌，避免暴露 report_token */
+    @Column(name = "unsubscribe_token", length = 64, unique = true)
+    private String unsubscribeToken;
+
+    @Column(name = "create_time")
+    private LocalDateTime createTime;
+
+    @Column(name = "update_time")
+    private LocalDateTime updateTime;
+}
diff --git a/src/main/java/com/petstore/entity/ServiceInterval.java b/src/main/java/com/petstore/entity/ServiceInterval.java
new file mode 100644
index 0000000..ed8ee3f
--- /dev/null
+++ b/src/main/java/com/petstore/entity/ServiceInterval.java
@@ -0,0 +1,47 @@
+package com.petstore.entity;
+
+import jakarta.persistence.*;
+import lombok.Data;
+
+import java.time.LocalDateTime;
+
+/**
+ * 服务建议周期配置：用于「下次该洗了」的日期预测。
+ * store_id 为 null 表示系统默认，老板可针对自家店覆盖。
+ */
+@Data
+@Entity
+@Table(
+        name = "t_service_interval",
+        indexes = {
+                @Index(name = "idx_si_store_service", columnList = "store_id,service_name")
+        }
+)
+public class ServiceInterval {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    /** null = 系统默认 */
+    @Column(name = "store_id")
+    private Long storeId;
+
+    /** 与 t_service_type.name 对齐，作为匹配键 */
+    @Column(name = "service_name", length = 64)
+    private String serviceName;
+
+    /** 可选：按宠物类型细分（dog/cat/other），null 表示全部 */
+    @Column(name = "pet_type", length = 16)
+    private String petType;
+
+    /** 建议最短间隔（天） */
+    @Column(name = "interval_days_min")
+    private Integer intervalDaysMin;
+
+    /** 建议最长间隔（天） */
+    @Column(name = "interval_days_max")
+    private Integer intervalDaysMax;
+
+    @Column(name = "create_time")
+    private LocalDateTime createTime;
+}
diff --git a/src/main/java/com/petstore/mapper/ReportLeadMapper.java b/src/main/java/com/petstore/mapper/ReportLeadMapper.java
new file mode 100644
index 0000000..c7abaaf
--- /dev/null
+++ b/src/main/java/com/petstore/mapper/ReportLeadMapper.java
@@ -0,0 +1,20 @@
+package com.petstore.mapper;
+
+import com.petstore.entity.ReportLead;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import java.util.List;
+import java.util.Optional;
+
+public interface ReportLeadMapper extends JpaRepository<ReportLead, Long> {
+
+    /** 同一报告 + 同一手机号只保留一条，用于幂等 */
+    Optional<ReportLead> findFirstByReportIdAndPhone(Long reportId, String phone);
+
+    Optional<ReportLead> findFirstByUnsubscribeToken(String unsubscribeToken);
+
+    /** 老板回访池：按状态倒查、按提醒日期升序 */
+    List<ReportLead> findByStoreIdAndRemindStatusOrderByRemindDateAsc(Long storeId, String remindStatus);
+
+    List<ReportLead> findByStoreIdOrderByCreateTimeDesc(Long storeId);
+}
diff --git a/src/main/java/com/petstore/mapper/ServiceIntervalMapper.java b/src/main/java/com/petstore/mapper/ServiceIntervalMapper.java
new file mode 100644
index 0000000..dbcfe62
--- /dev/null
+++ b/src/main/java/com/petstore/mapper/ServiceIntervalMapper.java
@@ -0,0 +1,17 @@
+package com.petstore.mapper;
+
+import com.petstore.entity.ServiceInterval;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import java.util.List;
+import java.util.Optional;
+
+public interface ServiceIntervalMapper extends JpaRepository<ServiceInterval, Long> {
+
+    /** 店铺自定义优先（store_id = :storeId），兜底系统默认（store_id IS NULL） */
+    Optional<ServiceInterval> findFirstByStoreIdAndServiceName(Long storeId, String serviceName);
+
+    Optional<ServiceInterval> findFirstByStoreIdIsNullAndServiceName(String serviceName);
+
+    List<ServiceInterval> findByStoreIdIsNull();
+}
diff --git a/src/main/java/com/petstore/service/ReportLeadService.java b/src/main/java/com/petstore/service/ReportLeadService.java
new file mode 100644
index 0000000..9b44977
--- /dev/null
+++ b/src/main/java/com/petstore/service/ReportLeadService.java
@@ -0,0 +1,203 @@
+package com.petstore.service;
+
+import com.petstore.entity.Report;
+import com.petstore.entity.ReportLead;
+import com.petstore.entity.ServiceInterval;
+import com.petstore.mapper.ReportLeadMapper;
+import com.petstore.mapper.ReportMapper;
+import com.petstore.mapper.ServiceIntervalMapper;
+import jakarta.annotation.PostConstruct;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.ZoneId;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import java.util.UUID;
+
+@Service
+@RequiredArgsConstructor
+public class ReportLeadService {
+
+    private final ReportLeadMapper reportLeadMapper;
+    private final ReportMapper reportMapper;
+    private final ServiceIntervalMapper serviceIntervalMapper;
+
+    /** 当服务类型不在已配置表中时使用的兜底间隔（天） */
+    private static final int FALLBACK_MIN = 28;
+    private static final int FALLBACK_MAX = 35;
+
+    /** 首次启动时写入系统默认建议周期。ddl-auto=update 会建表，这里只灌数据。 */
+    @PostConstruct
+    public void seedDefaults() {
+        if (!serviceIntervalMapper.findByStoreIdIsNull().isEmpty()) {
+            return;
+        }
+        // [service_name, min_days, max_days]
+        Object[][] defaults = new Object[][]{
+                {"洗澡", 21, 28},
+                {"美容", 42, 56},
+                {"洗澡+美容", 28, 35},
+                {"剪指甲", 30, 45},
+                {"驱虫", 30, 30}
+        };
+        LocalDateTime now = LocalDateTime.now();
+        for (Object[] row : defaults) {
+            ServiceInterval si = new ServiceInterval();
+            si.setStoreId(null);
+            si.setServiceName((String) row[0]);
+            si.setPetType(null);
+            si.setIntervalDaysMin((Integer) row[1]);
+            si.setIntervalDaysMax((Integer) row[2]);
+            si.setCreateTime(now);
+            serviceIntervalMapper.save(si);
+        }
+    }
+
+    /**
+     * 根据报告 token 算「下次建议日期」。
+     * 算法：以 appointmentTime（服务时间）为锚点 + 间隔区间的中点 round。
+     *
+     * @return map 包含 remindDate / intervalText / serviceType / reminderType；report 不存在则返回 null
+     */
+    public Map<String, Object> suggestNext(String reportToken) {
+        Report report = reportMapper.findFirstByReportTokenAndDeletedFalse(reportToken).orElse(null);
+        if (report == null) return null;
+
+        Interval itv = resolveInterval(report.getStoreId(), report.getServiceType());
+        int mid = (itv.min + itv.max) / 2;
+
+        LocalDate anchor;
+        if (report.getAppointmentTime() != null) {
+            anchor = report.getAppointmentTime().toLocalDate();
+        } else if (report.getCreateTime() != null) {
+            anchor = report.getCreateTime().toLocalDate();
+        } else {
+            anchor = LocalDate.now(ZoneId.of("Asia/Shanghai"));
+        }
+        LocalDate remind = anchor.plusDays(mid);
+        LocalDate today = LocalDate.now(ZoneId.of("Asia/Shanghai"));
+        if (remind.isBefore(today)) {
+            // 历史报告也能给出一个合理的未来日期（最早一周后）
+            remind = today.plusDays(7);
+        }
+
+        String intervalText = buildIntervalText(itv.min, itv.max);
+
+        return Map.of(
+                "remindDate", remind.toString(),
+                "intervalText", intervalText,
+                "intervalDaysMin", itv.min,
+                "intervalDaysMax", itv.max,
+                "serviceType", report.getServiceType() == null ? "" : report.getServiceType(),
+                "reminderType", resolveReminderType(report.getServiceType()),
+                "petName", report.getPetName() == null ? "" : report.getPetName()
+        );
+    }
+
+    /**
+     * 幂等创建/更新留资。
+     * 已存在 (reportId, phone) 组合时只更新状态和提醒日期，不重复创建。
+     */
+    public ReportLead submit(String reportToken, String phone, String consentIp) {
+        Report report = reportMapper.findFirstByReportTokenAndDeletedFalse(reportToken).orElse(null);
+        if (report == null) {
+            throw new IllegalArgumentException("报告不存在或已失效");
+        }
+        if (phone == null || !phone.matches("^1[3-9]\\d{9}$")) {
+            throw new IllegalArgumentException("手机号格式不正确");
+        }
+
+        Map<String, Object> sug = suggestNext(reportToken);
+        LocalDate remindDate = LocalDate.parse((String) sug.get("remindDate"));
+        String reminderType = (String) sug.get("reminderType");
+
+        LocalDateTime now = LocalDateTime.now();
+        ReportLead lead = reportLeadMapper.findFirstByReportIdAndPhone(report.getId(), phone).orElse(null);
+        if (lead == null) {
+            lead = new ReportLead();
+            lead.setReportId(report.getId());
+            lead.setStoreId(report.getStoreId());
+            lead.setPetName(report.getPetName());
+            lead.setServiceType(report.getServiceType());
+            lead.setPhone(phone);
+            lead.setUnsubscribeToken(UUID.randomUUID().toString().replace("-", ""));
+            lead.setCreateTime(now);
+        }
+        lead.setReminderType(reminderType);
+        lead.setRemindDate(remindDate);
+        lead.setRemindStatus("pending");
+        lead.setConsentAt(now);
+        lead.setConsentIp(consentIp);
+        lead.setUpdateTime(now);
+        return reportLeadMapper.save(lead);
+    }
+
+    /** 退订：按 unsubscribeToken 找记录并置状态 */
+    public boolean unsubscribe(String unsubscribeToken) {
+        if (unsubscribeToken == null || unsubscribeToken.isBlank()) return false;
+        Optional<ReportLead> opt = reportLeadMapper.findFirstByUnsubscribeToken(unsubscribeToken);
+        if (opt.isEmpty()) return false;
+        ReportLead lead = opt.get();
+        if ("unsubscribed".equals(lead.getRemindStatus())) return true;
+        lead.setRemindStatus("unsubscribed");
+        lead.setUpdateTime(LocalDateTime.now());
+        reportLeadMapper.save(lead);
+        return true;
+    }
+
+    /** 老板回访池：pending 状态、按日期升序 */
+    public List<ReportLead> listPending(Long storeId) {
+        return reportLeadMapper.findByStoreIdAndRemindStatusOrderByRemindDateAsc(storeId, "pending");
+    }
+
+    public List<ReportLead> listAllForStore(Long storeId) {
+        return reportLeadMapper.findByStoreIdOrderByCreateTimeDesc(storeId);
+    }
+
+    // ---------------- 私有工具 ----------------
+
+    private Interval resolveInterval(Long storeId, String serviceName) {
+        if (serviceName != null && storeId != null) {
+            Optional<ServiceInterval> perStore = serviceIntervalMapper
+                    .findFirstByStoreIdAndServiceName(storeId, serviceName);
+            if (perStore.isPresent()) return Interval.of(perStore.get());
+        }
+        if (serviceName != null) {
+            Optional<ServiceInterval> sys = serviceIntervalMapper
+                    .findFirstByStoreIdIsNullAndServiceName(serviceName);
+            if (sys.isPresent()) return Interval.of(sys.get());
+        }
+        return new Interval(FALLBACK_MIN, FALLBACK_MAX);
+    }
+
+    private String buildIntervalText(int min, int max) {
+        int midWeeks = Math.max(1, ((min + max) / 2 + 3) / 7);
+        if (min == max) {
+            return String.format("约 %d 天后", min);
+        }
+        return String.format("约 %d 周后", midWeeks);
+    }
+
+    private String resolveReminderType(String serviceName) {
+        if (serviceName == null) return "next_service";
+        if (serviceName.contains("驱虫")) return "next_deworm";
+        if (serviceName.contains("指甲")) return "next_nail";
+        if (serviceName.contains("美容") && serviceName.contains("洗")) return "next_bath_groom";
+        if (serviceName.contains("美容")) return "next_grooming";
+        if (serviceName.contains("洗")) return "next_wash";
+        return "next_service";
+    }
+
+    private record Interval(int min, int max) {
+        static Interval of(ServiceInterval si) {
+            int mi = si.getIntervalDaysMin() == null ? FALLBACK_MIN : si.getIntervalDaysMin();
+            int ma = si.getIntervalDaysMax() == null ? FALLBACK_MAX : si.getIntervalDaysMax();
+            if (ma < mi) ma = mi;
+            return new Interval(mi, ma);
+        }
+    }
+}