diff --git a/src/main/java/com/aida/seller/module/designer/service/DesignerServiceImpl.java b/src/main/java/com/aida/seller/module/designer/service/DesignerServiceImpl.java
index 5d34d66..5e097b1 100644
--- a/src/main/java/com/aida/seller/module/designer/service/DesignerServiceImpl.java
+++ b/src/main/java/com/aida/seller/module/designer/service/DesignerServiceImpl.java
@@ -190,12 +190,16 @@ public class DesignerServiceImpl extends ServiceImpl<DesignerMapper, DesignerEnt
         if (dto.getShopName() != null) {
             entity.setShopName(dto.getShopName());
         }
-        if (dto.getAvatar() != null) {
-            entity.setAvatar(dto.getAvatar());
-        }
-        if (dto.getBrandBanner() != null) {
-            entity.setBrandBanner(dto.getBrandBanner());
-        }
+        entity.setAvatar(
+                dto.getAvatar() != null && !dto.getAvatar().isBlank()
+                        ? minioUtil.convertToLogicalPath(dto.getAvatar())
+                        : null
+        );
+        entity.setBrandBanner(
+                dto.getBrandBanner() != null && !dto.getBrandBanner().isBlank()
+                        ? minioUtil.convertToLogicalPath(dto.getBrandBanner())
+                        : null
+        );
         if (dto.getOwnerName() != null) {
             entity.setOwnerName(dto.getOwnerName());
         }