Update README.md

Author: adysec

README.md

@@ -4,10 +4,14 @@
 
 ```
 https://raw.githubusercontent.com/adysec/tracker/refs/heads/main/trackers_all.txt
+或
+https://raw.githubusercontent.com/adysec/tracker/main/trackers_all.txt
 ```
 
 ### 优选tracker服务器
 
 ```
 https://raw.githubusercontent.com/adysec/tracker/refs/heads/main/trackers_best.txt
+或
+https://raw.githubusercontent.com/adysec/tracker/main/trackers_best.txt
 ```