fix a typo

[wuxiangzhou2010]

No description provided.

[codecov]

Codecov Report

Merging #1314 into master will increase coverage by 0.09%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #1314      +/-   ##
==========================================
+ Coverage   73.95%   74.05%   +0.09%     
==========================================
  Files         262      262              
  Lines       11289    11289              
==========================================
+ Hits         8349     8360      +11     
+ Misses       2143     2130      -13     
- Partials      797      799       +2

Impacted Files	Coverage Δ
transport/internet/websocket/connection.go	66.03% <0%> (-7.55%)	⬇️
transport/internet/headers/http/http.go	79.43% <0%> (-2.13%)	⬇️
proxy/shadowsocks/client.go	69.69% <0%> (+1.01%)	⬆️
app/proxyman/mux/mux.go	52.77% <0%> (+1.38%)	⬆️
common/buf/reader.go	78.2% <0%> (+5.12%)	⬆️
app/proxyman/mux/session.go	83.56% <0%> (+12.32%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update dcae6c6...85093c4. Read the comment docs.