diff --git a/wwwroot/index.html b/wwwroot/index.html
index 0467cb6..b6217dd 100644
--- a/wwwroot/index.html
+++ b/wwwroot/index.html
@@ -102,7 +102,7 @@ async function doLogin(){
  if(!u||!p){document.getElementById('login-msg').textContent='请输入用户名和密码';return}
  var fd=new FormData();fd.append('username',u);fd.append('password',p);
  try{
-  var r=await fetch('/pccs/api/usercheck.dspy',{method:'POST',body:fd});
+  var r=await fetch('/pccs/api/identify.dspy',{method:'POST',body:fd});
   var d=await r.json();
   if(d.status==='ok'){closeLogin();document.getElementById('login-msg').textContent=''}
   else document.getElementById('login-msg').textContent=d.message||'登录失败'
diff --git a/wwwroot/pccs/api/usercheck.dspy b/wwwroot/pccs/api/identify.dspy
similarity index 96%
rename from wwwroot/pccs/api/usercheck.dspy
rename to wwwroot/pccs/api/identify.dspy
index 19362ec..bbe1cf7 100644
--- a/wwwroot/pccs/api/usercheck.dspy
+++ b/wwwroot/pccs/api/identify.dspy
@@ -1,4 +1,4 @@
-# pccs login endpoint
+# pccs login — identify endpoint
 import hashlib as _hl, datetime as _dt
 
 username = params_kw.get('username', '')