[问答]

AM335X linux无法进入单用户模式

7630 Linux

问答对人有帮助，内容完整，我也想知道答案 0 AM3352 ti-processor-sdk-linux-am335x-evm-05.03.00.07版本系统启动错误，提示进入单用户模式：直接输入密码报错如下： Give root password for maintenance (or press Control-D to continue): sulogin: crypt failed: Invalid argument Login incorrect 使用Ctrl-D报错如下： Give root password for maintenance (or press Control-D to continue): [ 1839.618310] systemd-journald[58]: Failed to forward syslog message: Connection refused [ 1839.651930] systemd-journald[58]: Failed to forward syslog message: Connection refused [ 1839.720727] systemd-journald[58]: Failed to forward syslog message: Connection refused [ 1839.760287] systemd-journald[58]: Failed to forward syslog message: Connection refused [ 1839.800543] systemd-journald[58]: Failed to forward syslog message: Connection refused [ 1839.852968] systemd-journald[58]: Failed to forward syslog message: Connection refused [ 1839.979770] systemd-journald[58]: Successfully sent stream file descriptor to service manager. [ 1840.110306] systemd-journald[58]: Successfully sent stream file descriptor to service manager. [ 1840.299589] systemd-journald[58]: Successfully sent stream file descriptor to service manager. [ 1840.365825] cryptodev: disagrees about version of symbol module_layout [ 1840.367411] systemd[1]: systemd-tmpfiles-setup.service: Forked /bin/systemd-tmpfiles as 313 [ 1840.387288] systemd[1]: systemd-tmpfiles-setup.service: Changed failed -> start [ 1840.429373] systemd[1]: emergency.service: Passing 0 fds to service [ 1840.477333] systemd[1]: emergency.service: Forked /lib/systemd/systemd-sulogin-shell as 314 [ 1840.497255] systemd[1]: emergency.service: Changed dead -> running [ 1840.529516] systemd[1]: emergency.service: Job emergency.service/start finished, result=done [ 1840.587277] systemd[1]: systemd-journal-catalog-update.service: ConditionNeedsUpdate=/var succeeded. [ 1840.622668] systemd[1]: systemd-journal-catalog-update.service: Failed to set blkio.weight: No such file or directory [ 1840.637272] systemd[1]: systemd-journal-catalog-update.service: Passing 0 fds to service [ 1840.684760] systemd[1]: systemd-journal-catalog-update.service: Forked /bin/journalctl as 315 [ 1841.018103] systemd-journald[58]: Failed to forward syslog message: Connection refused [ 1841.103395] systemd-journald[58]: Failed to forward syslog message: Connection refused [ 1841.177978] systemd-journald[58]: Failed to forward syslog message: Connection refused [ 1841.272761] systemd-journald[58]: Successfully sent stream file descriptor to service manager. [ 1841.370495] systemd-journald[58]: Failed to forward syslog message: Connection refused [ 1841.467910] systemd-journald[58]: Successfully sent stream file descriptor to service manager. [ 1841.540540] systemd-journald[58]: Failed to forward syslog message: Connection refused [ 1841.627851] systemd-journald[58]: Successfully sent stream file descriptor to service manager. [ 1841.707846] systemd-journald[58]: Failed to forward syslog message: Connection refused [ 1841.781113] systemd-journald[58]: Failed to forward syslog message: Connection refused [ 1843.006926] u*_common: disagrees about version of symbol module_layout [ 1843.892706] u_common: disagrees about version of symbol module_layout [ 1844.119697] uio: disagrees about version of symbol module_layout You are in emergency mode. After logging in, type "journalctl -xb" to view system logs, "systemctl reboot" to reboot, "systemctl default" or ^D to boot into default mode. Give root password for maintenance (or press Control-D to continue): [ 1846.027850] systemd-journald[58]: Failed to forward syslog message: Connection refused [ 1846.117747] systemd-journald[58]: Failed to forward syslog message: Connection refused [ 1846.201240] systemd-journald[58]: Failed to forward syslog message: Connection refused [ 1846.267281] systemd[1]: systemd-journald.service: Received EPOLLHUP on stored fd 43 (stored), closing. [ 1846.296677] systemd[1]: Received SIGCHLD from PID 317 (ldconfig). [ 1846.317272] systemd[1]: Child 317 (ldconfig) died (code=exited, status=1/FAILURE) [ 1846.337097] systemd[1]: ldconfig.service: Child 317 belongs to ldconfig.service [ 1846.381858] systemd[1]: ldconfig.service: Changed start -> failed [ 1846.417650] systemd[1]: ldconfig.service: Job ldconfig.service/start finished, result=failed [ 1846.457244] systemd[1]: ldconfig.service: Unit entered failed state. [ 1846.477154] systemd[1]: ldconfig.service: Failed with result 'exit-code'. [ 1846.646795] systemd-journald[58]: Failed to forward syslog message: Connection refused [ 1846.707865] systemd-journald[58]: Failed to forward syslog message: Connection refused [ 1846.762426] systemd-journald[58]: Failed to forward syslog message: Connection refused [ 1846.821093] systemd-journald[58]: Failed to forward syslog message: Connection refused [ 1846.877830] systemd-journald[58]: Failed to forward syslog message: Connection refused [ 1846.931161] systemd-journald[58]: Failed to forward syslog message: Connection refused [ 1846.992100] systemd-journald[58]: Failed to forward syslog message: Connection refused [ 1847.827280] systemd[1]: systemd-tmpfiles-setup.service: Child 313 belongs to systemd-tmpfiles-setup.service [ 1847.977642] systemd[1]: opkg-configure.service: Forked /bin/sh as 320 [ 1851.038091] systemd-journald[58]: Failed to forward syslog message: Connection refused [ 1851.118466] systemd-journald[58]: Failed to forward syslog message: Connection refused [ 1851.211761] systemd-journald[58]: Failed to forward syslog message: Connection refused [ 1851.308709] systemd-journald[58]: Successfully sent stream file descriptor to service manager. [ 1851.368236] systemd-journald[58]: Failed to forward syslog message: Connection refused 系统启动log如下： Welcome to Arago 2018.10! [ 12.737697] random: systemd: uninitialized urandom read (16 bytes read) [ 13.099193] systemd-fstab-generator[47]: Parsing /etc/fstab [ 13.137510] systemd-gpt-auto-generator[49]: Neither root nor /usr file system are on a (single) block device. [ 13.141983] systemd-getty-generator[48]: Automatically adding serial getty for /dev/ttyS1. [ 13.226736] systemd-fstab-generator[47]: Found entry what=/dev/root where=/ type=auto nofail=no noauto=no [ 13.268613] systemd-sysv-generator[53]: Native unit for bootmisc.service already exists, skipping. [ 13.305384] systemd-fstab-generator[47]: Found entry what=proc where=/proc type=proc nofail=no noauto=no [ 13.305667] systemd-fstab-generator[47]: Found entry what=devpts where=/dev/pts type=devpts nofail=no noauto=no [ 13.306026] systemd-fstab-generator[47]: Found entry what=udevfs where=/proc/bus/u* type=u*devfs nofail=yes noauto=no [ 13.306707] systemd-fstab-generator[47]: Found entry what=tmpfs where=/run type=tmpfs nofail=no noauto=no [ 13.336552] systemd-fstab-generator[47]: Found entry what=tmpfs where=/var/volatile type=tmpfs nofail=no noauto=no [ 13.431747] systemd-fstab-generator[47]: Found entry what=tmpfs where=/media/ram type=tmpfs nofail=no noauto=no [ 13.500045] systemd-sysv-generator[53]: Native unit for modutils.service already exists, skipping. [ 13.531992] systemd-sysv-generator[53]: Cannot find unit busybox-udhcpd.service. [ 13.557459] systemd-sysv-generator[53]: Cannot find unit halt.service. [ 13.579949] systemd-sysv-generator[53]: Native unit for atd.service already exists, skipping. [ 13.608771] systemd-sysv-generator[53]: Cannot find unit single.service. [ 13.632146] systemd-sysv-generator[53]: Native unit for hostname.service already exists, skipping. [ 13.662718] systemd-sysv-generator[53]: Native unit for mountnfs.service already exists, skipping. [ 13.693072] systemd-sysv-generator[53]: Cannot find unit dropbear.service. [ 13.720275] systemd-sysv-generator[53]: Native unit for alsa-state.service already exists, skipping. [ 14.017487] systemd-sysv-ge: 140 output lines suppressed due to ratelimiting [ 15.381996] random: systemd: uninitialized urandom read (16 bytes read) [ OK ] Listening on Journal Socket. [ 15.427694] random: systemd: uninitialized urandom read (16 bytes read) [ OK ] Listening on Process Core Dump Socket. [ 15.537578] random: systemd: uninitialized urandom read (16 bytes read) [ OK ] Listening on /dev/initctl Compatibility Named Pipe. [ OK ] Listening on udev Control Socket. [ OK ] Created slice System Slice. Starting Load Kernel Modules... [ OK ] Reached target Remote File Systems. [ OK ] Started Forward Password Requests to Wall Directory Watch. Mounting POSIX Message Queue File System... [ 15.910574] cryptodev: disagrees about version of symbol module_layout Starting Create list of required st…ce nodes for the current kernel... [ 16.021387] u_common: disagrees about version of symbol module_layout Mounting Kernel Debug File System... [ 16.073892] u**_common: disagrees about version of symbol module_layout [ OK ] Created slice system-serialx2dgetty.slice. [ 16.131973] uio: disagrees about version of symbol module_layout Starting Remount Root and Kernel File Systems... [ OK ] Listening on Syslog Socket. [ OK ] Listening on udev Kernel Socket. [ OK ] Created slice User and Session Slice. [ OK ] Reached target Slices. [ OK ] Listening on Network Service Netlink Socket. [ OK ] Created slice system-getty.slice. [ OK ] Started Dispatch Password Requests to Console Directory Watch. [ OK ] Reached target Paths. [ OK ] Listening on Journal Socket (/dev/log). Starting Journal Service... [ OK ] Reached target Swap. Mounting Temporary Directory (/tmp)... [ OK ] Mounted Kernel Debug File System. [ 16.786644] systemd-journald[64]: Fixed min_use=1.0M max_use=64.0M max_size=8.0M min_size=512.0K keep_free=18.1M n_max_files=100 [ OK ] Mounted POSIX Message Queue File System. [ 16.851292] systemd-journald[64]: Reserving 14563 entries in hash table. [ 16.878872] systemd-journald[64]: Vacuuming... [ OK ] Mounted Temporary Directory (/tmp). [ 16.896500] systemd-journald[64]: Vacuuming done, freed 0B of archived journals from /run/log/journal/4fbc8a083a1a48fa919e552faea510c3. [ 16.957621] systemd-journald[64]: Flushing /dev/kmsg... [FAILED] Failed to start Load Kernel Modules. [ 16.991084] systemd-journald[64]: Compressed data object 537 -> 288 using XZ See 'systemctl status systemd-modules-load.service' for details. [ OK ] Started Create list of required sta…vice nodes for the current kernel. [ OK ] Started Remount Root and Kernel File Systems. Starting Rebuild Hardware Database... Starting Create System Users... Starting Apply Kernel Variables... [ 17.363046] systemd[1]: sys-kernel-config.mount: ConditionCapability=CAP_SYS_RAWIO succeeded. [ 17.431573] systemd[1]: sys-kernel-config.mount: ConditionPathExists=/sys/kernel/config succeeded. [ 17.504423] systemd[1]: sys-kernel-config.mount: Failed to set blkio.weight: No such file or directory [ 17.579095] systemd[1]: sys-kernel-config.mount: About to execute: /bin/mount configfs /sys/kernel/config -t configfs [ 17.649110] systemd[1]: sys-kernel-config.mount: Forked /bin/mount as 69 [ 17.710814] systemd[1]: sys-kernel-config.mount: Changed dead -> mounting [ 17.757593] systemd[1]: Mounting Kernel Configuration File System... Mounting Kernel Configuration File System... [ 17.834192] systemd[1]: kmod-static-nodes.service: Failed to set blkio.weight: No such file or directory [ 17.922450] systemd[1]: systemd-remount-fs.service: Failed to set blkio.weight: No such file or directory [ 17.976571] random: crng init done [ 17.976593] random: 6 urandom warning(s) missed due to ratelimiting [ 18.046935] systemd-journald[64]: systemd-journald running as pid 64 [ 18.084772] systemd[1]: libmount event [rescan: yes] [ 18.100158] systemd-journald[64]: Sent READY=1 notification. [ 18.101187] systemd-journald[64]: Sent WATCHDOG=1 notification. [ 18.110582] systemd-journald[64]: Successfully sent stream file descriptor to service manager. [ OK ] Mounted Kernel Configuration File System. [ OK ] Started Journal Service. [ OK ] Started Create System Users. [ OK ] Started Apply Kernel Variables. Starting Create Static Device Nodes in /dev... Starting Flush Journal to Persistent Storage... [ OK ] Started Flush Journal to Persistent Storage. [ OK ] Started Create Static Device Nodes in /dev. Starting udev Kernel Device Manager... [ OK ] Reached target Local File Systems (Pre). Mounting /media/ram... Mounting /var/volatile... [FAILED] Failed to mount /media/ram. See 'systemctl status media-ram.mount' for details. [DEPEND] Dependency failed for Local File Systems. [ OK ] Mounted /var/volatile. [ OK ] Closed Syslog Socket. [ OK ] Reached target Timers. [ OK ] Reached target Host and Network Name Lookups. [ OK ] Reached target Login Prompts. Starting Synchronize System and HW clocks... [ OK ] Started Emergency Shell. Starting Rebuild Journal Catalog... Starting Rebuild Dynamic Linker Cache... Starting Create Volatile Files and Directories... Starting Commit a transient machine-id on disk... Starting Load/Save Random Seed... [ OK ] Reached target Emergency Mode. [ OK ] Reached target Sockets. [FAILED] Failed to start Synchronize System and HW clocks. See 'systemctl status sync-clocks.service' for details. [FAILED] Failed to start Commit a transient machine-id on disk. See 'systemctl status systemd-machine-id-commit.service' for details. [ OK ] Started Load/Save Random Seed. [ OK ] Started udev Kernel Device Manager. Starting Network Service... [FAILED] Failed to start Rebuild Journal Catalog. See 'systemctl status systemd-journal-catalog-update.service' for details. [ 21.809780] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 21.887738] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 21.976851] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 22.086767] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 22.229995] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 22.343548] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 22.477711] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 22.609237] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 22.718988] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 22.854771] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 23.437314] systemd[1]: systemd-journald.service: Got notification message from PID 64 (FDSTORE=1) [ 23.547410] systemd[1]: systemd-journald.service: Added fd 30 (n/a) to fd store. [ 23.957271] systemd[1]: systemd-networkd.service: Got notification message from PID 83 (WATCHDOG=1) You are in emergency mode. After logging in, type "journalctl -xb" to view system logs, "systemctl reboot" to reboot, "systemctl default" or ^D to boot into default mode. [ 26.864432] systemd-journald[64]: Failed to forward syslog message: Connection refused Give root password for maintenance (or press Control-D to continue): [ 27.078132] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 27.117262] systemd[1]: systemd-networkd.socket: Incoming traffic [ 27.137482] systemd[1]: systemd-networkd.socket: Changed listening -> running [ 27.417526] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 27.566602] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 27.742426] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 27.875423] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 28.012500] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 28.163531] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 28.323487] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 28.465314] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 29.357364] systemd[1]: systemd-networkd.service: Got notification message from PID 83 (READY=1, STATUS=Processing requests...) [ 29.467242] systemd[1]: systemd-networkd.service: Changed start -> running [ 29.537767] systemd[1]: systemd-networkd.service: Job systemd-networkd.service/start finished, result=done [ 29.657371] systemd[1]: systemd-networkd-wait-online.service: Passing 0 fds to service [ 29.757338] systemd[1]: systemd-networkd-wait-online.service: Forked /lib/systemd/systemd-networkd-wait-online as 85 [ 29.857390] systemd[1]: systemd-networkd-wait-online.service: Changed dead -> start [ 29.957308] systemd[1]: network.target: Job network.target/start finished, result=done [ 30.047367] systemd[1]: systemd-journald.service: Got notification message from PID 64 (FDSTORE=1) [ 30.127326] systemd[1]: systemd-journald.service: Added fd 18 (n/a) to fd store. [ 31.881428] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 32.039293] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 32.165902] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 32.307733] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 32.439360] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 32.580868] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 32.700293] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 32.793054] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 32.874265] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 33.002158] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 33.487541] systemd[1]: systemd-tmpfiles-setup.service: cgroup is empty [ 34.407818] systemd[1]: systemd-update-utmp.service: Changed start -> exited [ 34.477343] systemd[1]: systemd-journald.service: Received EPOLLHUP on stored fd 20 (stored), closing. [ 34.579456] systemd[1]: systemd-update-utmp-runlevel.service: Forked /lib/systemd/systemd-update-utmp as 90 [ 34.677351] systemd[1]: systemd-update-utmp-runlevel.service: Changed dead -> start [ 34.767304] systemd[1]: systemd-update-utmp.service: Failed to set blkio.weight: No such file or directory [ 35.167324] systemd[1]: Got message type=method_call sender=n/a destination=org.freedesktop.systemd1 object=/org/freedesktop/systemd1/unit/rescue_2etarget interface=org.freedesktop.DBus.Properties member=Get cookie=3 reply_cookie=0 error=n/a [ 35.357866] systemd[1]: Got disconnect on private connection. [ 35.457343] systemd[1]: Child 90 (systemd-update-) died (code=exited, status=0/SUCCESS) [ 35.527244] systemd[1]: systemd-update-utmp-runlevel.service: Child 90 belongs to systemd-update-utmp-runlevel.service [ 35.627334] systemd[1]: systemd-update-utmp-runlevel.service: Changed start -> dead [ 36.889710] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 36.990547] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 37.071070] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 37.160760] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 37.244813] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 37.341049] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 37.430811] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 37.509609] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 37.610722] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 37.690945] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 41.912807] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 42.020511] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 42.135701] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 42.251007] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 42.351207] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 42.471516] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 42.574100] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 42.690903] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 42.803776] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 42.920637] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 46.950878] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 47.034586] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 47.121092] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 47.200910] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 47.299956] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 47.390334] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 47.469509] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 47.551274] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 47.631254] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 47.727976] omap_wdt: disagrees about version of symbol module_layout [ 47.751405] systemd-journald[64]: Failed to forward syslog message: Connection refused [ 47.770274] rtc_omap: disagrees about version of symbol module_layout [ 47.798174] rtc_omap: disagrees about version of symbol module_layout [ 48.571436] rtc_omap: disagrees about version of symbol module_layout [ 48.572413] rtc_omap: disagrees about version of symbol module_layout [ 50.674531] pruss_soc_bus: disagrees about version of symbol module_layout [ 51.317317] ti_emif_sram: disagrees about version of symbol module_layout [ 51.386099] omap_sham: disagrees about version of symbol module_layout [ 51.397966] omap_crypto: disagrees about version of symbol module_layout [ 51.617530] pruss_soc_bus: disagrees about version of symbol module_layout sulogin: crypt failed: Invalid argument Login incorrect 请教无法进入单用户模式和无法进入系统的原因，如有意见请给予回复，不胜感谢。 0 已退回5积分
2020-9-29 13:54:57　　评论淘帖0 邀请回答您可以邀请以下用户，快速回答问题 × dianzijie5 该类别下有 16 个回答。邀请回答嵌入式-H 该类别下有 16 个回答。邀请回答 hgimtk 该类别下有 16 个回答。邀请回答 hucc 该类别下有 14 个回答。邀请回答舍我其谁84 该类别下有 13 个回答。邀请回答冰箱洗衣机该类别下有 12 个回答。邀请回答 HCPcry 该类别下有 12 个回答。邀请回答 sjjs001 该类别下有 11 个回答。邀请回答 iettke 该类别下有 11 个回答。邀请回答学生物的程序猿该类别下有 11 个回答。邀请回答小刘该类别下有 11 个回答。邀请回答 YOYOOO 该类别下有 10 个回答。邀请回答 bigbangboom 该类别下有 10 个回答。邀请回答 drakannie 该类别下有 9 个回答。邀请回答 siyugege 该类别下有 9 个回答。邀请回答 wuli北该类别下有 9 个回答。邀请回答广州洋钒该类别下有 9 个回答。邀请回答 zengweishuai 该类别下有 9 个回答。邀请回答最强海贼王该类别下有 8 个回答。邀请回答 mintsy 该类别下有 8 个回答。邀请回答举报 qq 相关推荐 • am335x 双网口不同网段 7278 • 关于AM335X Uboot 2842 • 关于I2c 的多主的驱动问题，请问am335x的linux系统中是否已经提供？若没提供该怎样写驱动？ 2203 • AM335x的keypad如何实现组合键的 2204 • TI 可以提供AM335X其它版本的linux吗 2365 • AM335x的两个USB 端口都配为Host模式，插入一个U盘，如何识别是那个USB端口插入了U盘？ 2278 • am335x　boot问题 1551 • AM335X的优点是什么？ 1022 • AM335X 單週期乘加運算 2165 • am335x的电源设计 4488 1个回答