diff --git a/backend/main.py b/backend/main.py
index 0a4fe5d..34e687b 100644
--- a/backend/main.py
+++ b/backend/main.py
@@ -627,7 +627,7 @@ def _proxy_preview_for_log(proxy: str) -> str:
 
 
 def _normalize_proxy_scheme_to_socks5h(proxy: str) -> str:
-    """若代理是隧道地址但用了 http，改为 socks5h（7006 需 socks5）。"""
+    """若代理是隧道地址但用了 http，改为 socks5h（7006 需 socks5h）。"""
     if not proxy or not isinstance(proxy, str):
         return proxy
     p = proxy.strip()
diff --git a/public/index.html b/public/index.html
index 4709f7f..91132bb 100644
--- a/public/index.html
+++ b/public/index.html
@@ -544,10 +544,10 @@
                 />
               </div>
               <div class="field">
-                <label for="proxy">代理（可选，不填则由后端自动读取）</label>
+                <label for="proxy">代理（可选，仅支持带用户名密码的 socks5h）</label>
                 <input
                   id="proxy"
-                  placeholder="socks5://ip:port 或 socks5://user:pass@ip:port"
+                  placeholder="socks5h://user:pass@ip:port"
                   autocomplete="off"
                 />
                 <button type="button" class="secondary" id="btn-check-proxy" style="margin-top: 6px; padding: 4px 10px; font-size: 12px;">检测代理是否正常</button>