ssh交换机失败

uc后台远程交换机，uc提示

***.***/solved-error-unable-to-negotiate-with-port-22-no-matching-host-key-type-found-their-offer-ssh-dss/

交换机日志：

%Sep 17 20:58:32:486 2024 4F-S5120 SHELL/5/SHELL_LOGIN: admin logged in from x.x.x.x.

%Sep 17 20:58:32:366 2024 4F-S5120 SSH/6/SSH_LOGIN: STEL user admin (IP: x.x.x.x) logged in successfully.

%Sep 17 20:58:32:347 2024 4F-S5120 SC/6/SC_AAA_SUCCESS: -AAAType=ACCOUNT-AAAScheme= local-Service=login-UserName=admin@imc; AAA is successful.

%Sep 17 20:58:32:344 2024 4F-S5120 SC/6/SC_AAA_LAUNCH: -AAAType=ACCOUNT-AAAScheme= local-Service=login-UserName=admin@imc; AAA launched.

%Sep 17 20:58:32:339 2024 4F-S5120 SC/6/SC_AAA_SUCCESS: -AAAType=AUTHOR-AAAScheme= local-Service=login-UserName=admin@imc; AAA is successful.

%Sep 17 20:58:32:336 2024 4F-S5120 SC/6/SC_AAA_LAUNCH: -AAAType=AUTHOR-AAAScheme= local-Service=login-UserName=admin@imc; AAA launched.

%Sep 17 20:58:32:333 2024 4F-S5120 SC/6/SC_AAA_SUCCESS: -AAAType=AUTHEN-AAAScheme= local-Service=login-UserName=admin@imc; AAA is successful.

%Sep 17 20:58:32:329 2024 4F-S5120 SC/6/SC_AAA_LAUNCH: -AAAType=AUTHEN-AAAScheme= local-Service=login-UserName=admin@imc; AAA launched.

%Sep 17 20:58:19:702 2024 4F-S5120 SHELL/5/SHELL_LOGINFAIL: SSH user admin failed to log in from x.x.x.x on VTY1..

%Sep 17 20:58:19:696 2024 4F-S5120 LS/4/LS_PWD_ADDBLACKLIST: User admin was added to the blacklist for failed login attempts,but can continue to try to log in.

%Sep 17 20:58:19:692 2024 4F-S5120 LS/5/LS_AUTHEN_FAILURE: -AccessType=login-UserName=admin; Authentication is failed. Password verified failed.

%Sep 17 20:58:19:689 2024 4F-S5120 SC/6/SC_AAA_LAUNCH: -AAAType=AUTHEN-AAAScheme= local-Service=login-UserName=admin@imc; AAA launched.

%Sep 17 20:58:02:905 2024 4F-S5120 SHELL/5/SHELL_LOGINFAIL: SSH user failed to log in from a.a.a.a on VTY1 due to IP restriction..

%Sep 17 20:58:00:786 2024 4F-S5120 SHELL/5/SHELL_LOGINFAIL: SSH user failed to log in from a.a.a.a on VTY1 due to IP restriction..

%Sep 17 20:57:56:612 2024 4F-S5120 SSH/6/SSH_CONNECTION_CLOSE: STEL user admin (IP: x.x.x.x) logged out because the SSH client closed the connection.

%Sep 17 20:57:56:602 2024 4F-S5120 SHELL/5/SHELL_LOGOUT: admin logged out from x.x.x.x.

%Sep 17 20:56:41:340 2024 4F-S5120 SHELL/6/SHELL_CMD: -Task=vt1-IPAddr=x.x.x.x-User=admin; Command is dis logb re

%Sep 17 20:55:49:635 2024 4F-S5120 SHELL/5/SHELL_LOGINFAIL: SSH user failed to log in from a.a.a.a on VTY2 due to IP restriction..

%Sep 17 20:51:26:341 2024 4F-S5120 SHELL/5/SHELL_LOGINFAIL: SSH user failed to log in from a.a.a.a on VTY2 due to IP restriction..

%Sep 17 20:51:01:591 2024 4F-S5120 SHELL/6/SHELL_CMD: -Task=vt0-IPAddr=x.x.x.x-User=admin; Command is dis th

%Sep 17 20:51:00:613 2024 4F-S5120 SHELL/6/SHELL_CMD: -Task=vt0-IPAddr=x.x.x.x-User=admin; Command is sys

%Sep 17 20:50:46:462 2024 4F-S5120 SHELL/5/SHELL_LOGINFAIL: SSH user failed to log in from a.a.a.a on VTY2 due to IP restriction..

%Sep 17 20:26:36:120 2024 4F-S5120 SHELL/6/SHELL_CMD: -Task=vt1-IPAddr=x.x.x.x-User=admin; Command is sys

%Sep 17 20:26:34:544 2024 4F-S5120 SHELL/5/SHELL_LOGIN: admin logged in from x.x.x.x.

请问要怎么解决