diff --git "a/post_issues/3_Centos-Linux-\351\224\231\350\257\257-su-failed-to-execute-bin-bash-Resource-temporarily-unavailable-\350\247\243\345\206\263.md" "b/post_issues/3_Centos-Linux-\351\224\231\350\257\257-su-failed-to-execute-bin-bash-Resource-temporarily-unavailable-\350\247\243\345\206\263.md"
index e9c5e05..2513081 100644
--- "a/post_issues/3_Centos-Linux-\351\224\231\350\257\257-su-failed-to-execute-bin-bash-Resource-temporarily-unavailable-\350\247\243\345\206\263.md"
+++ "b/post_issues/3_Centos-Linux-\351\224\231\350\257\257-su-failed-to-execute-bin-bash-Resource-temporarily-unavailable-\350\247\243\345\206\263.md"
@@ -15,9 +15,11 @@ echo "someuser soft nproc unlimited" >> /etc/security/limits.d/20-nproc.conf
 
 ## 错误现象:
 
-在 CentOS 系统执行 `su - someuser` 命令时，无法执行，提示错误:
+在 CentOS 系统执行 `su - someuser` 命令时报错:
+
+
+> su: failed to execute /bin/bash: Resource temporarily unavailable
 
->  su: failed to execute /bin/bash: Resource temporarily unavailable
 
 ## 分析 & 解决