diff --git a/fad-hrm/src/main/java/com/ruoyi/hrm/controller/HrmSealReqController.java b/fad-hrm/src/main/java/com/ruoyi/hrm/controller/HrmSealReqController.java
index 2031cd2..452441e 100644
--- a/fad-hrm/src/main/java/com/ruoyi/hrm/controller/HrmSealReqController.java
+++ b/fad-hrm/src/main/java/com/ruoyi/hrm/controller/HrmSealReqController.java
@@ -40,6 +40,11 @@ public class HrmSealReqController extends BaseController {
         return R.ok(service.queryById(bizId));
     }
 
+    @GetMapping("/{bizId}/pdfPages")
+    public R<Integer> pdfPages(@PathVariable @NotNull Long bizId) {
+        return R.ok(service.queryPdfPageTotal(bizId));
+    }
+
     @Log(title = "用印申请", businessType = BusinessType.INSERT)
     @PostMapping
     public R<HrmSealReqVo> add(@Validated @RequestBody HrmSealReqBo bo) {
diff --git a/fad-hrm/src/main/java/com/ruoyi/hrm/domain/HrmSealReq.java b/fad-hrm/src/main/java/com/ruoyi/hrm/domain/HrmSealReq.java
index 670fe43..58d34b7 100644
--- a/fad-hrm/src/main/java/com/ruoyi/hrm/domain/HrmSealReq.java
+++ b/fad-hrm/src/main/java/com/ruoyi/hrm/domain/HrmSealReq.java
@@ -7,7 +7,6 @@ import com.ruoyi.common.core.domain.BaseEntity;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 
-import java.io.Serializable;
 
 /**
  * 用印申请
@@ -15,7 +14,7 @@ import java.io.Serializable;
 @Data
 @EqualsAndHashCode(callSuper = true)
 @TableName("hrm_seal_req")
-public class HrmSealReq extends BaseEntity implements Serializable {
+public class HrmSealReq extends BaseEntity {
 
     private static final long serialVersionUID = 1L;
 
@@ -29,7 +28,7 @@ public class HrmSealReq extends BaseEntity implements Serializable {
     /** 项目ID */
     private Long projectId;
 
-    /** 用印类型(公章/合同章/财务章等) */
+    /** 用印类型(对应印章文件名) */
     private String sealType;
 
     /** 用途说明 */
diff --git a/fad-hrm/src/main/java/com/ruoyi/hrm/domain/bo/HrmSealReqBo.java b/fad-hrm/src/main/java/com/ruoyi/hrm/domain/bo/HrmSealReqBo.java
index 2fbdbbe..07aefaa 100644
--- a/fad-hrm/src/main/java/com/ruoyi/hrm/domain/bo/HrmSealReqBo.java
+++ b/fad-hrm/src/main/java/com/ruoyi/hrm/domain/bo/HrmSealReqBo.java
@@ -24,7 +24,7 @@ public class HrmSealReqBo extends BaseEntity {
     /** 项目ID */
     private Long projectId;
 
-    /** 用印类型 */
+    /** 用印类型(对应印章文件名) */
     @NotBlank(message = "用印类型不能为空")
     private String sealType;
 
diff --git a/fad-hrm/src/main/java/com/ruoyi/hrm/domain/vo/HrmSealReqVo.java b/fad-hrm/src/main/java/com/ruoyi/hrm/domain/vo/HrmSealReqVo.java
index 9caa557..4c9db52 100644
--- a/fad-hrm/src/main/java/com/ruoyi/hrm/domain/vo/HrmSealReqVo.java
+++ b/fad-hrm/src/main/java/com/ruoyi/hrm/domain/vo/HrmSealReqVo.java
@@ -88,6 +88,9 @@ public class HrmSealReqVo implements Serializable {
     @Excel(name = "回执附件ID列表")
     private String receiptFileIds;
 
+    @Excel(name = "PDF页数")
+    private Integer pdfPageTotal;
+
     @Excel(name = "状态")
     private String status;
 
diff --git a/fad-hrm/src/main/java/com/ruoyi/hrm/service/IHrmSealReqService.java b/fad-hrm/src/main/java/com/ruoyi/hrm/service/IHrmSealReqService.java
index f05b6a3..df68e2e 100644
--- a/fad-hrm/src/main/java/com/ruoyi/hrm/service/IHrmSealReqService.java
+++ b/fad-hrm/src/main/java/com/ruoyi/hrm/service/IHrmSealReqService.java
@@ -13,6 +13,8 @@ public interface IHrmSealReqService {
 
     HrmSealReqVo queryById(Long bizId);
 
+    Integer queryPdfPageTotal(Long bizId);
+
     TableDataInfo<HrmSealReqVo> queryPageList(HrmSealReqBo bo, PageQuery pageQuery);
 
     List<HrmSealReqVo> queryList(HrmSealReqBo bo);
diff --git a/fad-hrm/src/main/java/com/ruoyi/hrm/service/impl/HrmSealReqServiceImpl.java b/fad-hrm/src/main/java/com/ruoyi/hrm/service/impl/HrmSealReqServiceImpl.java
index 55e7137..27708d7 100644
--- a/fad-hrm/src/main/java/com/ruoyi/hrm/service/impl/HrmSealReqServiceImpl.java
+++ b/fad-hrm/src/main/java/com/ruoyi/hrm/service/impl/HrmSealReqServiceImpl.java
@@ -21,6 +21,8 @@ import com.ruoyi.hrm.service.IHrmSealReqService;
 import com.ruoyi.oss.core.OssClient;
 import com.ruoyi.oss.entity.UploadResult;
 import com.ruoyi.oss.factory.OssFactory;
+import com.ruoyi.system.domain.vo.SysOssVo;
+import com.ruoyi.system.mapper.SysOssMapper;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.pdfbox.pdmodel.PDDocument;
@@ -28,7 +30,6 @@ import org.apache.pdfbox.pdmodel.PDPage;
 import org.apache.pdfbox.pdmodel.PDPageContentStream;
 import org.apache.pdfbox.pdmodel.common.PDRectangle;
 import org.apache.pdfbox.pdmodel.graphics.image.PDImageXObject;
-import org.springframework.context.annotation.Bean;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
@@ -48,10 +49,59 @@ public class HrmSealReqServiceImpl implements IHrmSealReqService {
     private final HrmSealReqMapper baseMapper;
     private final StampProperties stampProperties;
     private final IHrmFlowInstanceService flowInstanceService;
+    private final SysOssMapper sysOssMapper;
 
     @Override
     public HrmSealReqVo queryById(Long bizId) {
-        return baseMapper.selectVoWithProjectById(bizId);
+        HrmSealReqVo vo = baseMapper.selectVoWithProjectById(bizId);
+        if (vo != null) {
+            vo.setPdfPageTotal(queryPdfPageTotal(bizId));
+        }
+        return vo;
+    }
+
+    @Override
+    public Integer queryPdfPageTotal(Long bizId) {
+        HrmSealReqVo vo = baseMapper.selectVoWithProjectById(bizId);
+        String applyFileIds = vo != null ? vo.getApplyFileIds() : null;
+        if (applyFileIds == null || applyFileIds.trim().isEmpty()) {
+            return 0;
+        }
+        String firstFileId = applyFileIds.split(",")[0].trim();
+        if (firstFileId.isEmpty()) {
+            return 0;
+        }
+        String fileUrl = resolveSealPdfUrl(firstFileId);
+        if (fileUrl == null || fileUrl.trim().isEmpty()) {
+            return 0;
+        }
+        try (InputStream inputStream = getObject(fileUrl); PDDocument document = PDDocument.load(inputStream)) {
+            return document.getNumberOfPages();
+        } catch (Exception e) {
+            log.warn("查询用印PDF页数失败 bizId={}, fileId={}, fileUrl={}", bizId, firstFileId, fileUrl, e);
+            return 0;
+        }
+    }
+
+    private String resolveObjectKey(String fileRef) {
+        if (fileRef == null) {
+            return null;
+        }
+        String ref = fileRef.trim();
+        if (ref.isEmpty()) {
+            return ref;
+        }
+        if (ref.startsWith("http://") || ref.startsWith("https://")) {
+            int idx = ref.indexOf("/files/");
+            if (idx >= 0) {
+                return ref.substring(idx + "/files/".length());
+            }
+            idx = ref.indexOf("/files%2F");
+            if (idx >= 0) {
+                return ref.substring(idx + "/files%2F".length());
+            }
+        }
+        return ref;
     }
 
     @Override
@@ -269,6 +319,17 @@ public class HrmSealReqServiceImpl implements IHrmSealReqService {
         }
     }
 
+    private String resolveSealPdfUrl(String ossIdText) {
+        try {
+            Long ossId = Long.valueOf(ossIdText);
+            SysOssVo sysOss = sysOssMapper.selectVoById(ossId);
+            return sysOss != null ? sysOss.getUrl() : null;
+        } catch (Exception e) {
+            log.warn("解析用印PDF文件地址失败 ossIdText={}", ossIdText, e);
+            return null;
+        }
+    }
+
     private InputStream getObject(String url) {
         OssClient storage = OssFactory.instance();
         return storage.getObjectContent(url);