避免空指针

epmet-user/epmet-user-server/src/main/java/com/epmet/service/impl/IcResiUserImportServiceImpl.java

@@ -1423,7 +1423,7 @@ public class IcResiUserImportServiceImpl implements IcResiUserImportService, Res
                 break;
         }
         if (options == null) {
-            return null;
+            return new HashMap<>();
         }
         //结果平铺展开
         Map<String, OptionResultDTO> resultMap = new HashMap<>();