无车优化，自有车接口返回

src/main/java/com/jkcredit/invoice/service/lowerService/impl/SelfCarServiceLImpl.java

@@ -385,7 +385,7 @@ public class SelfCarServiceLImpl implements SelfCarServiceL {
             return new RespR(false,b2bInvoicePackageResponseRespR.getMsg());
         }else{
 
-            if(StringUtils.isBlank(b2bInvoicePackageResponseRespR.getData().getResult())){
+            if(b2bInvoicePackageResponseRespR.getData().getResult()==null || b2bInvoicePackageResponseRespR.getData().getResult().size()<=0){
                 return new RespR (false,"未查得");
             }
             return new RespR(b2bInvoicePackageResponseRespR.getData().getResult());