diff --git a/how_to_use_mysql/readme.md b/how_to_use_mysql/readme.md
index 1b67a28..0224403 100644
--- a/how_to_use_mysql/readme.md
+++ b/how_to_use_mysql/readme.md
@@ -11,4 +11,13 @@
 ![图1](./images/05.png)
 ## 注意：牢记下列设置的密码
 ![图1](./images/06.png)
-![图1](./images/07.png)
\ No newline at end of file
+![图1](./images/07.png)
+
+3. 安装Navicat
+
+打开群里的“navicat16激活工具和安装包.zip”，
+
+![图1](./images/08.png)
+![图1](./images/09.png)
+![图1](./images/10.png)
+![图1](./images/11.png)
\ No newline at end of file