diff --git a/interface-checklist.md b/interface-checklist.md
new file mode 100644
index 0000000..d1c57fe
--- /dev/null
+++ b/interface-checklist.md
@@ -0,0 +1,21 @@
+# 接口清单（前端需求）
+
+来源：`refer/认监-扫描件识别/frontend/report-detect-web/src/api/*.js` 及页面直接拼接的接口。
+
+| # | Method | Path | 用途（前端） | 前端引用 | 状态 | 备注 |
+|---|---|---|---|---|
+| 1 | POST | `/api/login` | 登录 | `src/api/user.js` | ✅ 已修正 | 后端改为 `data=token`（字符串），并保留 `tokenName` 字段 |
+| 2 | POST | `/api/logout` | 退出登录 | `src/api/user.js` | ✅ 已核对 | 后端存在：`src/main/java/com/chinaweal/youfool/reportdetect/modules/task/controller/TaskController.java`，返回 `code=0` |
+| 3 | GET | `/api/user/info` | 用户信息 | `src/api/user.js` | ✅ 已修正 | 现返回 `name/avatar/roles`，并将角色转为小写 |
+| 4 | GET | `/api/sys/institutions` | 机构列表 | `src/api/user.js` | ✅ 已核对 | 返回 `id/name/cmaNumber` 列表，前端可直接使用 |
+| 5 | POST | `/api/auditor/switch-institution` | 切换机构 | `src/api/user.js` | ✅ 已核对 | 后端存在并接收 `{ institutionId }` |
+| 6 | GET | `/api/statistics` | 报告统计 | `src/api/report.js` | ✅ 已修正 | 新增接口并返回 `{待审核报告, 已通过报告, 驳回报告, 本月审核量}` |
+| 7 | GET | `/api/reports` | 报告列表 | `src/api/report.js` |  |  |
+| 8 | GET | `/api/reports/{id}` | 报告详情 | `src/api/report.js` |  |  |
+| 9 | GET | `/api/reports/{id}/preview` | 报告预览（图片/历史） | `src/api/report.js` |  |  |
+| 10 | POST | `/api/tasks` | 创建识别任务 | `src/api/report.js` |  |  |
+| 11 | POST | `/api/reports/{id}/submit` | 用户确认提交 | `src/api/report.js` |  |  |
+| 12 | POST | `/api/reports/{id}/audit` | 审核提交 | `src/api/report.js` |  |  |
+| 13 | DELETE | `/api/reports/{id}` | 删除报告 | `src/api/report.js` |  |  |
+| 14 | POST | `/api/validate-cma` | CMA 校验 | `src/api/report.js` |  |  |
+| 15 | GET | `/api/reports/{id}/pdf` | PDF 预览 | `src/views/shibieneirong/shenhe/index.vue` |  |  |
diff --git a/src/main/java/com/chinaweal/youfool/reportdetect/modules/task/controller/TaskController.java b/src/main/java/com/chinaweal/youfool/reportdetect/modules/task/controller/TaskController.java
index 0a902ad..c1b036e 100644
--- a/src/main/java/com/chinaweal/youfool/reportdetect/modules/task/controller/TaskController.java
+++ b/src/main/java/com/chinaweal/youfool/reportdetect/modules/task/controller/TaskController.java
@@ -140,4 +140,14 @@ public class TaskController {
         resp.put("msg", "Success");
         return ResponseEntity.ok(resp);
     }
+
+    @GetMapping("/statistics")
+    @SaCheckRole(value = { "ADMIN", "AUDITOR", "USER" }, mode = SaMode.OR)
+    public ResponseEntity<?> getStatistics() {
+        Map<String, Object> resp = new HashMap<>();
+        resp.put("code", 0);
+        resp.put("data", taskService.getStatistics());
+        resp.put("msg", "Success");
+        return ResponseEntity.ok(resp);
+    }
 }
diff --git a/src/main/java/com/chinaweal/youfool/reportdetect/modules/task/repository/TaskRepository.java b/src/main/java/com/chinaweal/youfool/reportdetect/modules/task/repository/TaskRepository.java
index 326bdc6..e196405 100644
--- a/src/main/java/com/chinaweal/youfool/reportdetect/modules/task/repository/TaskRepository.java
+++ b/src/main/java/com/chinaweal/youfool/reportdetect/modules/task/repository/TaskRepository.java
@@ -26,4 +26,20 @@ public interface TaskRepository extends JpaRepository<Task, String> {
     long countByStatus(String status);
 
     long countBySubmitTimeAfter(java.util.Date date);
+
+    long countByStatusIn(List<String> statuses);
+
+    long countByStatusAndInstitutionId(String status, Long institutionId);
+
+    long countByStatusAndCreatorId(String status, Long creatorId);
+
+    long countByStatusInAndInstitutionId(List<String> statuses, Long institutionId);
+
+    long countByStatusInAndCreatorId(List<String> statuses, Long creatorId);
+
+    long countByStatusInAndSubmitTimeAfter(List<String> statuses, java.util.Date date);
+
+    long countByStatusInAndSubmitTimeAfterAndInstitutionId(List<String> statuses, java.util.Date date, Long institutionId);
+
+    long countByStatusInAndSubmitTimeAfterAndCreatorId(List<String> statuses, java.util.Date date, Long creatorId);
 }
diff --git a/src/main/java/com/chinaweal/youfool/reportdetect/modules/task/service/TaskService.java b/src/main/java/com/chinaweal/youfool/reportdetect/modules/task/service/TaskService.java
index 5db7642..b9c4c1e 100644
--- a/src/main/java/com/chinaweal/youfool/reportdetect/modules/task/service/TaskService.java
+++ b/src/main/java/com/chinaweal/youfool/reportdetect/modules/task/service/TaskService.java
@@ -29,6 +29,8 @@ 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.time.ZoneId;
 import java.util.Date;
 import java.util.HashMap;
 import java.util.Iterator;
@@ -341,6 +343,63 @@ public class TaskService {
         }
     }
 
+    public Map<String, Object> getStatistics() {
+        List<String> pendingStatuses = List.of("pending", "ocr_completed");
+        List<String> auditedStatuses = List.of("compliant", "non-compliant");
+
+        LocalDate monthStart = LocalDate.now().withDayOfMonth(1);
+        Date monthStartDate = Date.from(monthStart.atStartOfDay(ZoneId.systemDefault()).toInstant());
+
+        long pendingCount;
+        long compliantCount;
+        long nonCompliantCount;
+        long monthAuditedCount;
+
+        if (StpUtil.hasRole("ADMIN")) {
+            pendingCount = taskRepository.countByStatusIn(pendingStatuses);
+            compliantCount = taskRepository.countByStatus("compliant");
+            nonCompliantCount = taskRepository.countByStatus("non-compliant");
+            monthAuditedCount = taskRepository.countByStatusInAndSubmitTimeAfter(auditedStatuses, monthStartDate);
+        } else if (StpUtil.hasRole("AUDITOR")) {
+            Long institutionId = getEffectiveInstitutionId();
+            if (institutionId == null) {
+                pendingCount = 0;
+                compliantCount = 0;
+                nonCompliantCount = 0;
+                monthAuditedCount = 0;
+            } else {
+                pendingCount = taskRepository.countByStatusInAndInstitutionId(pendingStatuses, institutionId);
+                compliantCount = taskRepository.countByStatusAndInstitutionId("compliant", institutionId);
+                nonCompliantCount = taskRepository.countByStatusAndInstitutionId("non-compliant", institutionId);
+                monthAuditedCount = taskRepository.countByStatusInAndSubmitTimeAfterAndInstitutionId(auditedStatuses, monthStartDate, institutionId);
+            }
+        } else {
+            Long userId = Long.valueOf(StpUtil.getLoginId().toString());
+            pendingCount = taskRepository.countByStatusInAndCreatorId(pendingStatuses, userId);
+            compliantCount = taskRepository.countByStatusAndCreatorId("compliant", userId);
+            nonCompliantCount = taskRepository.countByStatusAndCreatorId("non-compliant", userId);
+            monthAuditedCount = taskRepository.countByStatusInAndSubmitTimeAfterAndCreatorId(auditedStatuses, monthStartDate, userId);
+        }
+
+        Map<String, Object> stats = new HashMap<>();
+        stats.put("待审核报告", pendingCount);
+        stats.put("已通过报告", compliantCount);
+        stats.put("驳回报告", nonCompliantCount);
+        stats.put("本月审核量", monthAuditedCount);
+        return stats;
+    }
+
+    private Long getEffectiveInstitutionId() {
+        Object overrideInstId = StpUtil.getSession().get("OVERRIDE_INSTITUTION_ID");
+        if (overrideInstId != null) {
+            return Long.valueOf(overrideInstId.toString());
+        }
+        Long userId = Long.valueOf(StpUtil.getLoginId().toString());
+        com.chinaweal.youfool.reportdetect.modules.sys.entity.SysUser user = sysUserRepository.findById(userId)
+                .orElse(null);
+        return user != null ? user.getInstitutionId() : null;
+    }
+
     /**
      * Reference result for similarity calculation
      */