simplify script

docs/README.md

@@ -6,7 +6,7 @@
 2. Place the executable in your desired directory.
 
 ```powershell
-./tytm.exe update
+./tytm update
 ```
 
 <!-- #### MacOS

docs/themes/blackout.md

@@ -3,13 +3,7 @@
 > Author: 晦涩弗里曼  
 > Repository: https://github.com/obscurefreeman/typora_theme_blackout
 
-Windows:
-```powershell
-./tytm.exe add blackout
-```
-
-MacOS:
-```zsh
+```shell
 ./tytm add blackout
 ```
 
@@ -35,16 +29,10 @@ Experience is the mother of wisdom, and the choice of many features of the Black
 
 ### Gamer
 
-Windows:
-```powershell
+```shell
 ./tytm.exe add blackout -s gamer
 ```
 
-MacOS:
-```zsh
-./tytm add blackout -s gamer
-```
-
 The Blackout Gamer theme is a theme suitable for presentations, making the reading experience comfortable and modern. This theme does not scale images but inherits the beautiful rounded corner design of the Blackout theme.
 
 Blackout Gamer 主题是一个适用于展示的主题，阅读体验很舒适且充满现代感。这个主题不会缩小图片，但是继承了 Blackout 主题优美的圆角设计。

docs/themes/chernobyl.md

@@ -3,13 +3,7 @@
 > Author: 晦涩弗里曼  
 > Repository: https://github.com/obscurefreeman/typora_theme_blackout
 
-Windows:
-```powershell
-./tytm.exe add chernobyl
-```
-
-MacOS:
-```zsh
+```shell
 ./tytm add chernobyl
 ```
 
@@ -39,12 +33,6 @@ The color scheme of this theme was originally set to be green. During the creati
 
 ### Blue
 
-Windows:
-```powershell
-./tytm.exe add chernobyl -s blue
-```
-
-MacOS:
-```zsh
+```shell
 ./tytm add chernobyl -s blue
 ```

docs/themes/index.md

@@ -10,13 +10,7 @@ Below are themes that can be installed by TyTM.
 > Author: 晦涩弗里曼  
 > [Click for more details](themes/blackout)
 
-Windows:
-```powershell
-./tytm.exe add blackout
-```
-
-MacOS:
-```zsh
+```shell
 ./tytm add blackout
 ```
 
@@ -25,12 +19,6 @@ MacOS:
 > Author: 晦涩弗里曼  
 > [Click for more details](themes/chernobyl)
 
-Windows:
-```powershell
-./tytm.exe add chernobyl
-```
-
-MacOS:
-```zsh
+```shell
 ./tytm add chernobyl
-```
+```