diff --git a/source/_posts/Linux.md b/source/_posts/Linux.md
index 873864e..aa2d24b 100644
--- a/source/_posts/Linux.md
+++ b/source/_posts/Linux.md
@@ -130,6 +130,17 @@ systemctl status mysqld
 Mysql：mysqld
 systemctl status network
 
+### 网络状态:
+
+```shell
+# -l或--listening 显示监控中的服务器的Socket
+# -n或--numeric 直接使用IP地址，而不通过域名服务器。
+# -p或--programs 显示正在使用Socket的程序识别码和程序名称。
+netstat -lnp | grep 8080
+```
+
+
+
 ## 文件详情：（以home目录为例）
 
 d：说明当前文件是一个目录（- 代表的是文件）
diff --git a/source/_posts/PowerDesigner.md b/source/_posts/PowerDesigner.md
index 759f95a..1c48951 100644
--- a/source/_posts/PowerDesigner.md
+++ b/source/_posts/PowerDesigner.md
@@ -36,6 +36,8 @@ New 选择要修改的DBMS
 
 ## 根据Name生成Comment
 
+### SQL Server
+
 Tools -> Resources -> DBMS...
 
 ![image-20221207095510030](https://markdownhexo.oss-cn-hangzhou.aliyuncs.com/img/image-20221207095510030.png)会弹出DBMS 列表
@@ -101,3 +103,52 @@ Database -> Generate Database
 ![image-20221207101314310](https://markdownhexo.oss-cn-hangzhou.aliyuncs.com/img/image-20221207101314310.png)
 
 成功生成
+
+### MySQL
+
+Database -> Edit Current DBMS...
+
+![image-20230310235910566](https://markdownhexo.oss-cn-hangzhou.aliyuncs.com/img/image-20230310235910566.png)
+
+#### 表注释
+
+左侧菜单 Script -> Objects -> Table -> TableComment
+
+![image-20230311000046142](https://markdownhexo.oss-cn-hangzhou.aliyuncs.com/img/image-20230311000046142.png)
+
+```tex
+alter table [%QUALIFIER%]%TABLE% comment %.60qA:COMMENT%
+```
+
+#### 字段注释
+
+左侧菜单 Script -> Objects -> Column -> Add
+
+![image-20230311000912484](https://markdownhexo.oss-cn-hangzhou.aliyuncs.com/img/image-20230311000912484.png)
+
+将
+
+
+```tex
+%20:COLUMN% [%National%?national ]%DATATYPE%[%Unsigned%? unsigned][%ZeroFill%? zerofill][ [.O:[character set][charset]] %CharSet%][.Z:[ %NOTNULL%][%R%?[%PRIMARY%]][%IDENTITY%? auto_increment:[ default %DEFAULT%]][ comment %.q:@OBJTLABL%]]
+```
+
+修改为
+
+```tex
+%20:COLUMN% [%National%?national ]%DATATYPE%[%Unsigned%? unsigned][%ZeroFill%? zerofill][ [.O:[character set][charset]] %CharSet%][.Z:[ %NOTNULL%][%IDENTITY%? auto_increment:[ default %DEFAULT%]][ comment %.q:COMMENT%]]  
+```
+
+#### 代码生成
+
+点击菜单Database-->enerate Database
+
+![image-20230311001120719](https://markdownhexo.oss-cn-hangzhou.aliyuncs.com/img/image-20230311001120719.png)
+
+
+
+出现Database Generation屏幕：在Format tab页中，勾选Generate name in empty comment
+
+单击确定就可以生成相应的代码，代码中就会出现上面的注释了。
+
+![image-20230311001246849](https://markdownhexo.oss-cn-hangzhou.aliyuncs.com/img/image-20230311001246849.png)