diff --git a/resources/views/chat/partials/games/lottery-panel.blade.php b/resources/views/chat/partials/games/lottery-panel.blade.php
index 770da96..06be149 100644
--- a/resources/views/chat/partials/games/lottery-panel.blade.php
+++ b/resources/views/chat/partials/games/lottery-panel.blade.php
@@ -204,7 +204,7 @@
                                 onmouseout="this.style.background='#f0f6ff'; this.style.borderColor='#c0d8ef'">
                                 � 机选
                             </button>
-                            <button @click="selectedReds=[]; selectedBlue=null;"
+                            <button type="button" @click.prevent="selectedReds=[]; selectedBlue=null;"
                                 style="flex:1; padding:10px 0; border-radius:10px; font-size:13px; font-weight:bold;
                                        background:#f9fafb; color:#6b7280; border:1.5px solid #e5e7eb;
                                        cursor:pointer; transition:all .15s; font-family:inherit;"