修改空指针问题

alive-api/src/main/java/com/alive/server/service/CrowdfundingService.java

@@ -303,7 +303,7 @@ public class CrowdfundingService extends BaseComponent {
             log.info("扫描块失败(检查节点是否被限制) out {} ,{}, {}", startBlock, endBlock, send.getError().getMessage());
             return null;
         }
-        return send.getLogs();
+        return send == null ? null : send.getLogs();
     }
 
     /**