feat(制品库功能完善): 修复Npm类型文件无法上传的问题

microservices-modules/microservices-modules-pms/src/main/java/com/microservices/pms/utils/PmsUtils.java

@@ -84,7 +84,7 @@ public class PmsUtils {
     public static SysFileBytes getFeignFile(Response response) {
         try {
             InputStream inputStream = response.body().asInputStream();
-            String fileName = response.headers().get("FileName") + "";
+            String fileName = response.headers().get("FileName").stream().findFirst().orElse(null);
             SysFileBytes sysFileBytes = new SysFileBytes();
             sysFileBytes.setFileInputStream(inputStream);
             sysFileBytes.setFileName(fileName);