diff --git a/ruoyi-loan-pricing/src/main/java/com/ruoyi/loanpricing/domain/dto/ModelInvokeDTO.java b/ruoyi-loan-pricing/src/main/java/com/ruoyi/loanpricing/domain/dto/ModelInvokeDTO.java
index 9a0348c..37fdb51 100644
--- a/ruoyi-loan-pricing/src/main/java/com/ruoyi/loanpricing/domain/dto/ModelInvokeDTO.java
+++ b/ruoyi-loan-pricing/src/main/java/com/ruoyi/loanpricing/domain/dto/ModelInvokeDTO.java
@@ -150,4 +150,9 @@ public class ModelInvokeDTO {
      */
     private String idType;
 
+    /**
+     * 证件号码（非必填）
+     */
+    private String idNum;
+
 }
diff --git a/ruoyi-loan-pricing/src/main/java/com/ruoyi/loanpricing/service/LoanPricingModelService.java b/ruoyi-loan-pricing/src/main/java/com/ruoyi/loanpricing/service/LoanPricingModelService.java
index a2b96c6..471531a 100644
--- a/ruoyi-loan-pricing/src/main/java/com/ruoyi/loanpricing/service/LoanPricingModelService.java
+++ b/ruoyi-loan-pricing/src/main/java/com/ruoyi/loanpricing/service/LoanPricingModelService.java
@@ -39,12 +39,25 @@ public class LoanPricingModelService {
     @Resource
     private ModelCorpOutputFieldsMapper modelCorpOutputFieldsMapper;
 
+    @Resource
+    private SensitiveFieldCryptoService sensitiveFieldCryptoService;
+
     public void invokeModelAsync(Long workflowId) {
         LoanPricingWorkflow loanPricingWorkflow = loanPricingWorkflowMapper.selectById(workflowId);
         if (Objects.isNull(loanPricingWorkflow)){
             log.error("未找到对应的流程信息，未调用模型服务");
             return;
         }
+        try
+        {
+            loanPricingWorkflow.setCustName(sensitiveFieldCryptoService.decrypt(loanPricingWorkflow.getCustName()));
+            loanPricingWorkflow.setIdNum(sensitiveFieldCryptoService.decrypt(loanPricingWorkflow.getIdNum()));
+        }
+        catch (RuntimeException ex)
+        {
+            log.error("贷款定价模型调用前敏感字段解密失败", ex);
+            throw ex;
+        }
         ModelInvokeDTO modelInvokeDTO = new ModelInvokeDTO();
         BeanUtils.copyProperties(loanPricingWorkflow, modelInvokeDTO);
         JSONObject response = modelService.invokeModel(modelInvokeDTO);
diff --git a/ruoyi-loan-pricing/src/main/java/com/ruoyi/loanpricing/service/impl/LoanPricingWorkflowServiceImpl.java b/ruoyi-loan-pricing/src/main/java/com/ruoyi/loanpricing/service/impl/LoanPricingWorkflowServiceImpl.java
index 88a98f0..6bf51e1 100644
--- a/ruoyi-loan-pricing/src/main/java/com/ruoyi/loanpricing/service/impl/LoanPricingWorkflowServiceImpl.java
+++ b/ruoyi-loan-pricing/src/main/java/com/ruoyi/loanpricing/service/impl/LoanPricingWorkflowServiceImpl.java
@@ -160,6 +160,10 @@ public class LoanPricingWorkflowServiceImpl implements ILoanPricingWorkflowServi
         LambdaQueryWrapper<LoanPricingWorkflow> wrapper = new LambdaQueryWrapper<>();
         wrapper.eq(LoanPricingWorkflow::getSerialNum, serialNum);
         LoanPricingWorkflow loanPricingWorkflow = loanPricingWorkflowMapper.selectOne(wrapper);
+        String plainCustName = sensitiveFieldCryptoService.decrypt(loanPricingWorkflow.getCustName());
+        String plainIdNum = sensitiveFieldCryptoService.decrypt(loanPricingWorkflow.getIdNum());
+        loanPricingWorkflow.setCustName(loanPricingSensitiveDisplayService.maskCustName(plainCustName));
+        loanPricingWorkflow.setIdNum(loanPricingSensitiveDisplayService.maskIdNum(plainIdNum));
         loanPricingWorkflowVO.setLoanPricingWorkflow(loanPricingWorkflow);
 
         if (Objects.nonNull(loanPricingWorkflow.getModelOutputId())){
diff --git a/ruoyi-loan-pricing/src/test/java/com/ruoyi/loanpricing/service/LoanPricingModelServiceTest.java b/ruoyi-loan-pricing/src/test/java/com/ruoyi/loanpricing/service/LoanPricingModelServiceTest.java
new file mode 100644
index 0000000..bd2ef6d
--- /dev/null
+++ b/ruoyi-loan-pricing/src/test/java/com/ruoyi/loanpricing/service/LoanPricingModelServiceTest.java
@@ -0,0 +1,66 @@
+package com.ruoyi.loanpricing.service;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.argThat;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import com.alibaba.fastjson2.JSONObject;
+import com.ruoyi.loanpricing.domain.dto.ModelInvokeDTO;
+import com.ruoyi.loanpricing.domain.entity.LoanPricingWorkflow;
+import com.ruoyi.loanpricing.mapper.LoanPricingWorkflowMapper;
+import com.ruoyi.loanpricing.mapper.ModelCorpOutputFieldsMapper;
+import com.ruoyi.loanpricing.mapper.ModelRetailOutputFieldsMapper;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+import java.util.Objects;
+
+@ExtendWith(MockitoExtension.class)
+class LoanPricingModelServiceTest
+{
+    @Mock
+    private ModelService modelService;
+
+    @Mock
+    private LoanPricingWorkflowMapper loanPricingWorkflowMapper;
+
+    @Mock
+    private ModelRetailOutputFieldsMapper modelRetailOutputFieldsMapper;
+
+    @Mock
+    private ModelCorpOutputFieldsMapper modelCorpOutputFieldsMapper;
+
+    @Mock
+    private SensitiveFieldCryptoService sensitiveFieldCryptoService;
+
+    @InjectMocks
+    private LoanPricingModelService loanPricingModelService;
+
+    @Test
+    void shouldDecryptCustNameAndIdNumBeforeInvokeModel()
+    {
+        LoanPricingWorkflow workflow = new LoanPricingWorkflow();
+        workflow.setId(1L);
+        workflow.setCustType("个人");
+        workflow.setCustName("cipher-name");
+        workflow.setIdNum("cipher-id");
+
+        JSONObject response = new JSONObject();
+        response.put("calculateRate", "6.15");
+
+        when(loanPricingWorkflowMapper.selectById(1L)).thenReturn(workflow);
+        when(sensitiveFieldCryptoService.decrypt("cipher-name")).thenReturn("张三");
+        when(sensitiveFieldCryptoService.decrypt("cipher-id")).thenReturn("110101199001011234");
+        when(modelService.invokeModel(any())).thenReturn(response);
+
+        loanPricingModelService.invokeModelAsync(1L);
+
+        verify(modelService).invokeModel(argThat((ModelInvokeDTO dto) ->
+                Objects.equals("张三", dto.getCustName())
+                        && Objects.equals("110101199001011234", dto.getIdNum())));
+    }
+}
diff --git a/ruoyi-loan-pricing/src/test/java/com/ruoyi/loanpricing/service/impl/LoanPricingWorkflowServiceImplTest.java b/ruoyi-loan-pricing/src/test/java/com/ruoyi/loanpricing/service/impl/LoanPricingWorkflowServiceImplTest.java
index 8933b81..f8c9a34 100644
--- a/ruoyi-loan-pricing/src/test/java/com/ruoyi/loanpricing/service/impl/LoanPricingWorkflowServiceImplTest.java
+++ b/ruoyi-loan-pricing/src/test/java/com/ruoyi/loanpricing/service/impl/LoanPricingWorkflowServiceImplTest.java
@@ -154,6 +154,27 @@ class LoanPricingWorkflowServiceImplTest
         assertEquals("6.15", result.getModelRetailOutputFields().getCalculateRate());
     }
 
+    @Test
+    void shouldMaskCustNameAndIdNumWhenReturningWorkflowDetail()
+    {
+        LoanPricingWorkflow workflow = new LoanPricingWorkflow();
+        workflow.setSerialNum("P20260328001");
+        workflow.setCustType("个人");
+        workflow.setCustName("cipher-name");
+        workflow.setIdNum("cipher-id");
+
+        when(loanPricingWorkflowMapper.selectOne(any())).thenReturn(workflow);
+        when(sensitiveFieldCryptoService.decrypt("cipher-name")).thenReturn("张三");
+        when(sensitiveFieldCryptoService.decrypt("cipher-id")).thenReturn("110101199001011234");
+        when(loanPricingSensitiveDisplayService.maskCustName("张三")).thenReturn("张*");
+        when(loanPricingSensitiveDisplayService.maskIdNum("110101199001011234")).thenReturn("1101********1234");
+
+        LoanPricingWorkflowVO result = loanPricingWorkflowService.selectLoanPricingBySerialNum("P20260328001");
+
+        assertEquals("张*", result.getLoanPricingWorkflow().getCustName());
+        assertEquals("1101********1234", result.getLoanPricingWorkflow().getIdNum());
+    }
+
     @Test
     void shouldUseCorporateModelOutputCalculateRateForWorkflowDetail()
     {