diff --git a/workflow-engine-api/src/main/java/cn/axzo/workflow/client/feign/manage/PrintAdminApi.java b/workflow-engine-api/src/main/java/cn/axzo/workflow/client/feign/manage/PrintAdminApi.java
index 38ff9b3ba..3e4fe494c 100644
--- a/workflow-engine-api/src/main/java/cn/axzo/workflow/client/feign/manage/PrintAdminApi.java
+++ b/workflow-engine-api/src/main/java/cn/axzo/workflow/client/feign/manage/PrintAdminApi.java
@@ -96,7 +96,7 @@ public interface PrintAdminApi {
      * 后端请求指定流程日志 PDF 文件生成, 实现是异步的。
      * <p>
      * 请使用 {@link PrintAdminApi#queryProcessLogPdfResult(QueryProcessLogPdfDTO)} 函数查询，
-     * 或者使用 {@link cn.axzo.nanopart.doc.api.conversion.DocConversionApi#queryConvertResultByBiz} 函数查询，bizCode:固定为"workflow-process-log", bizKey:为实例 ID
+     * 或者使用 {@link cn.axzo.nanopart.doc.api.conversion.DocConversionApi#queryConvertResultByBiz(cn.axzo.nanopart.doc.api.conversion.req.QueryConversionTaskRequestV2)} 函数查询，该接口入参默认情况下应该为：bizCode:固定为"workflow-process-log", bizKey:为实例 ID
      *
      * @return
      */
diff --git a/workflow-engine-common/src/main/java/cn/axzo/workflow/common/model/request/bpmn/print/PrintProcessLogPdfDTO.java b/workflow-engine-common/src/main/java/cn/axzo/workflow/common/model/request/bpmn/print/PrintProcessLogPdfDTO.java
index 2c48315a0..8b813bef4 100644
--- a/workflow-engine-common/src/main/java/cn/axzo/workflow/common/model/request/bpmn/print/PrintProcessLogPdfDTO.java
+++ b/workflow-engine-common/src/main/java/cn/axzo/workflow/common/model/request/bpmn/print/PrintProcessLogPdfDTO.java
@@ -33,4 +33,16 @@ public class PrintProcessLogPdfDTO {
     @ApiModelProperty(value = "访问者的 PersonId")
     @NotBlank(message = "访问者的 personId 不能为空")
     private String personId;
+
+    /**
+     * 自定义该审批日志的 bizCode
+     * 可不传，默认值为： workflow-process-log
+     */
+    private String bizCode;
+
+    /**
+     * 自定义该审批日志的 bizKey
+     * 可不传， 默认值为：{@link PrintProcessLogPdfDTO#processInstanceId}
+     */
+    private String bizKey;
 }
diff --git a/workflow-engine-common/src/main/java/cn/axzo/workflow/common/model/request/bpmn/print/QueryProcessLogPdfDTO.java b/workflow-engine-common/src/main/java/cn/axzo/workflow/common/model/request/bpmn/print/QueryProcessLogPdfDTO.java
index 734d5f6d2..ec0e16a0e 100644
--- a/workflow-engine-common/src/main/java/cn/axzo/workflow/common/model/request/bpmn/print/QueryProcessLogPdfDTO.java
+++ b/workflow-engine-common/src/main/java/cn/axzo/workflow/common/model/request/bpmn/print/QueryProcessLogPdfDTO.java
@@ -27,4 +27,15 @@ public class QueryProcessLogPdfDTO {
     @NotBlank(message = "审批实例 ID 不能为空")
     private String processInstanceId;
 
+    /**
+     * 自定义该审批日志的 bizCode
+     * 可不传，默认值为： workflow-process-log
+     */
+    private String bizCode;
+
+    /**
+     * 自定义该审批日志的 bizKey
+     * 可不传， 默认值为：{@link QueryProcessLogPdfDTO#processInstanceId}
+     */
+    private String bizKey;
 }
diff --git a/workflow-engine-server/src/main/java/cn/axzo/workflow/server/controller/web/manage/PrintAdminController.java b/workflow-engine-server/src/main/java/cn/axzo/workflow/server/controller/web/manage/PrintAdminController.java
index 3d67bd9c3..2a27e71d4 100644
--- a/workflow-engine-server/src/main/java/cn/axzo/workflow/server/controller/web/manage/PrintAdminController.java
+++ b/workflow-engine-server/src/main/java/cn/axzo/workflow/server/controller/web/manage/PrintAdminController.java
@@ -595,8 +595,8 @@ public class PrintAdminController implements PrintAdminApi {
     @Override
     public CommonResponse<String> createProcessLogPdf(@Validated @RequestBody PrintProcessLogPdfDTO dto) {
         SubmitConversionTaskRequest request = new SubmitConversionTaskRequest();
-        request.setBizCode("workflow-process-log");
-        request.setBizKey(dto.getProcessInstanceId());
+        request.setBizCode(StringUtils.hasText(dto.getBizCode()) ? dto.getBizCode() : "workflow-process-log");
+        request.setBizKey(StringUtils.hasText(dto.getBizKey()) ? dto.getBizKey() : dto.getProcessInstanceId());
         request.setConversionType(DocConversionTypeEnum.HTML_URL_TO_PDF);
         request.setFileName(String.format(refreshProperties.getProcessLogHtmlUrl(), dto.getProcessInstanceId(), dto.getPersonId()));
         String taskId = RpcExternalUtil.rpcApiResultProcessor(() -> docConversionApi.submitConvertTask(request), "创建网页转 PDF 的异步任务", request);
@@ -608,8 +608,8 @@ public class PrintAdminController implements PrintAdminApi {
     @Override
     public CommonResponse<ProcessLogPdfResultDTO> queryProcessLogPdfResult(@Validated @RequestBody QueryProcessLogPdfDTO dto) {
         QueryConversionTaskRequestV2 request = new QueryConversionTaskRequestV2();
-        request.setBizCode("workflow-process-log");
-        request.setBizKey(dto.getProcessInstanceId());
+        request.setBizCode(StringUtils.hasText(dto.getBizCode()) ? dto.getBizCode() : "workflow-process-log");
+        request.setBizKeys(Lists.newArrayList(StringUtils.hasText(dto.getBizKey()) ? dto.getBizKey() : dto.getProcessInstanceId()));
         List<FileConvertResultResp> taskConvertResults = RpcExternalUtil.rpcApiResultProcessor(() -> docConversionApi.queryConvertResultByBiz(request), "查询流程日志转 PDF 的结果", request);
         List<ProcessLogPdfResultDTO> results = BeanMapper.copyList(taskConvertResults, ProcessLogPdfResultDTO.class, (s, t) -> {
             t.setPdfFileKey(s.getResultFileFileKey());