diff --git a/manual_trading_hub/static/index.html b/manual_trading_hub/static/index.html
index 32ed73d..d631f0a 100644
--- a/manual_trading_hub/static/index.html
+++ b/manual_trading_hub/static/index.html
@@ -973,7 +973,7 @@
                     <span>测算模式</span>
                     <select id="calc-po-calc-mode">
                       <option value="size" selected>由波动推期权仓位</option>
-                      <option value="points">由比例推波动点数</option>
+                      <option value="points">由币数推波动点数</option>
                     </select>
                   </label>
                   <label class="calc-field">