随便插入一条数据be就挂掉了，数据也无法正常插入

请问doris3单节点部署完后，fe，be都启动正常，测试建表，随便插入一条数据be就挂掉了，报错：Execution failed: Error Failed to execute sql: java.sql.SQLException: (conn=3) errCode = 2, detailMessage = there exists unhealthy backend. backend 1756949199537 is down，也无法正常插入，be.out中有：32543; stack trace: ***
0# doris::signal::(anonymous namespace)::FailureSignalHandler(int, siginfo_t*, void*) at /home/zcp/repo_center/doris_release/doris/be/src/common/signal_handler.h:421
1# 0x00007F1BADD02510 in /lib64/libc.so.6
2# gsignal in /lib64/libc.so.6
3# __GI_abort in /lib64/libc.so.6
4# __libc_message in /lib64/libc.so.6
5# __fortify_fail in /lib64/libc.so.6
6# __fortify_fail in /lib64/libc.so.6
7# brpc::InputMessenger::CutInputMessage(brpc::Socket*, unsigned long*, bool) in /root/doris3/be/lib/doris_be
8# brpc::InputMessenger::ProcessNewMessage(brpc::Socket*, long, bool, unsigned long, unsigned long, brpc::InputMessenger::InputMessageClosure&) in /root/doris3/be/lib/doris_be
9# brpc::InputMessenger::OnNewMessages(brpc::Socket*) in /root/doris3/be/lib/doris_be
10# brpc::Socket::ProcessEvent(void*) in /root/doris3/be/lib/doris_be
11# bthread::TaskGroup::task_runner(long) in /root/doris3/be/lib/doris_be
12# bthread_make_fcontext in /root/doris3/be/lib/doris_be