diff --git a/virtual-patient-model/src/main/java/com/supervision/vo/ask/ModifyPrimaryDiseaseInfoReqVO.java b/virtual-patient-model/src/main/java/com/supervision/vo/ask/ModifyPrimaryDiseaseInfoReqVO.java
new file mode 100644
index 00000000..0e0af967
--- /dev/null
+++ b/virtual-patient-model/src/main/java/com/supervision/vo/ask/ModifyPrimaryDiseaseInfoReqVO.java
@@ -0,0 +1,11 @@
+package com.supervision.vo.ask;
+
+import lombok.Data;
+
+@Data
+public class ModifyPrimaryDiseaseInfoReqVO {
+
+    private String processId;
+
+    private String patientDiseaseInfo;
+}
diff --git a/virtual-patient-web/src/main/java/com/supervision/controller/AskPrimaryController.java b/virtual-patient-web/src/main/java/com/supervision/controller/AskPrimaryController.java
index dc498fc9..19d8ba12 100644
--- a/virtual-patient-web/src/main/java/com/supervision/controller/AskPrimaryController.java
+++ b/virtual-patient-web/src/main/java/com/supervision/controller/AskPrimaryController.java
@@ -5,6 +5,7 @@ import com.supervision.model.DiagnosisPrimary;
 import com.supervision.model.Disease;
 import com.supervision.service.AskPrimaryService;
 import com.supervision.vo.ask.DiagnosisPrimaryVO;
+import com.supervision.vo.ask.ModifyPrimaryDiseaseInfoReqVO;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
 import lombok.RequiredArgsConstructor;
@@ -32,6 +33,12 @@ public class AskPrimaryController {
         return askPrimaryService.queryPrimaryCanChooseList();
     }
 
+    @ApiOperation("修改初步诊断病情依据")
+    @PostMapping("modifyPrimaryDiseaseInfo")
+    public void modifyPrimaryDiseaseInfo(@RequestBody ModifyPrimaryDiseaseInfoReqVO reqVO){
+        askPrimaryService.modifyPrimaryDiseaseInfo(reqVO);
+    }
+
     @ApiOperation("保存初步诊断")
     @PostMapping("savePrimary")
     public void savePrimary(@RequestBody DiagnosisPrimary reqVO){
diff --git a/virtual-patient-web/src/main/java/com/supervision/service/AskPrimaryService.java b/virtual-patient-web/src/main/java/com/supervision/service/AskPrimaryService.java
index b8ee8734..809124f8 100644
--- a/virtual-patient-web/src/main/java/com/supervision/service/AskPrimaryService.java
+++ b/virtual-patient-web/src/main/java/com/supervision/service/AskPrimaryService.java
@@ -3,6 +3,7 @@ package com.supervision.service;
 import com.supervision.model.DiagnosisPrimary;
 import com.supervision.model.Disease;
 import com.supervision.vo.ask.DiagnosisPrimaryVO;
+import com.supervision.vo.ask.ModifyPrimaryDiseaseInfoReqVO;
 import org.springframework.web.bind.annotation.RequestBody;
 
 import java.util.List;
@@ -13,6 +14,8 @@ public interface AskPrimaryService {
 
     List<Disease> queryPrimaryCanChooseList();
 
+    void modifyPrimaryDiseaseInfo(ModifyPrimaryDiseaseInfoReqVO reqVO);
+
     void savePrimary(DiagnosisPrimary reqVO);
 
     void deletePrimary(String id);
diff --git a/virtual-patient-web/src/main/java/com/supervision/service/impl/AskPrimaryServiceImpl.java b/virtual-patient-web/src/main/java/com/supervision/service/impl/AskPrimaryServiceImpl.java
index 6822fb52..cc9dfd77 100644
--- a/virtual-patient-web/src/main/java/com/supervision/service/impl/AskPrimaryServiceImpl.java
+++ b/virtual-patient-web/src/main/java/com/supervision/service/impl/AskPrimaryServiceImpl.java
@@ -7,6 +7,7 @@ import com.supervision.service.DiagnosisPrimaryService;
 import com.supervision.service.DiseaseService;
 import com.supervision.util.UserUtil;
 import com.supervision.vo.ask.DiagnosisPrimaryVO;
+import com.supervision.vo.ask.ModifyPrimaryDiseaseInfoReqVO;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -31,6 +32,12 @@ public class AskPrimaryServiceImpl implements AskPrimaryService {
         return diseaseService.list();
     }
 
+    @Override
+    public void modifyPrimaryDiseaseInfo(ModifyPrimaryDiseaseInfoReqVO reqVO) {
+        diagnosisPrimaryService.lambdaUpdate().set(DiagnosisPrimary::getPatientDiseaseInfo,reqVO.getPatientDiseaseInfo())
+                .eq(DiagnosisPrimary::getProcessId,reqVO.getProcessId()).update();
+    }
+
     @Override
     @Transactional(rollbackFor = Exception.class)
     public void savePrimary(DiagnosisPrimary reqVO) {