diff --git a/sa-admin/src/main/java/net/lab1024/sa/admin/module/business/caseplatformcase/service/CaseplatformCaseService.java b/sa-admin/src/main/java/net/lab1024/sa/admin/module/business/caseplatformcase/service/CaseplatformCaseService.java
index 4175ad2..52adf6e 100644
--- a/sa-admin/src/main/java/net/lab1024/sa/admin/module/business/caseplatformcase/service/CaseplatformCaseService.java
+++ b/sa-admin/src/main/java/net/lab1024/sa/admin/module/business/caseplatformcase/service/CaseplatformCaseService.java
@@ -625,12 +625,16 @@ public class CaseplatformCaseService {
             return ResponseDTO.userErrorParam("病例不存在");
         }
 
-        if (!Objects.equals(caseplatformCaseCheckdata.getBioImg(), form.getBioImg())){
-            caseplatformCaseCheckdata.setBioImg(form.getBioImg());
+        if (form.getBioImg() != null){
+            if (!Objects.equals(caseplatformCaseCheckdata.getBioImg(), form.getBioImg())){
+                caseplatformCaseCheckdata.setBioImg(form.getBioImg());
+            }
         }
 
-        if (!Objects.equals(caseplatformCaseCheckdata.getCoaImg(), form.getCoaImg())){
-            caseplatformCaseCheckdata.setCoaImg(form.getCoaImg());
+        if (form.getCoaImg() != null){
+            if (!Objects.equals(caseplatformCaseCheckdata.getCoaImg(), form.getCoaImg())){
+                caseplatformCaseCheckdata.setCoaImg(form.getCoaImg());
+            }
         }
 
         if (form.getInfImg() != null) {