update example config

config.yaml

@@ -1,10 +1,7 @@
 upstream:
 - server: https://mirrors.aliyun.com
-  match:
-    match: /(alpine|ubuntu)(/.*)
-    replace: /$1$2
 - server: http://mirrors.tencent.com
-# - server: https://mirrors.ustc.edu.cn
+- server: http://mirrors.ustc.edu.cn
 - server: https://packages.microsoft.com/repos/code
   match:
     match: /microsoft-code(.*)
@@ -13,11 +10,24 @@ upstream:
   match:
     match: /ubuntu-releases/(.*)
     replace: /$1
+- server: https://apt.releases.hashicorp.com
+  match:
+    match: /hashicorp-deb/(.*)
+    replace: /$1
+- server: https://dl.google.com/linux/chrome
+  match:
+    match: /google-chrome/(.*)
+    replace: /$1
+- server: https://pkgs.tailscale.com/stable
+  match:
+    match: /tailscale/(.*)
+    replace: /$1
 
 misc:
-  rate-first-byte: 31457280 # 1024*1024*30
+  first-chunk-bytes: 31457280 # 1024*1024*30, all upstreams with 200 response will wait for the first chunks to select a upstream by bandwidth, instead of by latency. defaults to 50M
+  # chunk-bytes: 1048576 # 1024*1024
 
 storage:
   type: local # ignored
   local:
-    path: ./data
+    path: /data # defaults to ./data