diff --git a/src/layout/components/TopBar/aiAssistant.vue b/src/layout/components/TopBar/aiAssistant.vue
index 23d4082..35d390f 100644
--- a/src/layout/components/TopBar/aiAssistant.vue
+++ b/src/layout/components/TopBar/aiAssistant.vue
@@ -36,7 +36,10 @@
                 v-model="selectedModelId"
                 placeholder="选择AI模型"
                 size="small"
+                popper-class="topIndex"
                 style="width: 120px"
+                :teleported="true"
+                append-to="body"
                 :disabled="aiThinking"
               >
                 <el-option
@@ -1743,5 +1746,11 @@ function toggleSize() {
 .recording-btn.recording {
   color: #f56c6c;
 }
-</style>
 
+</style>
+<style>
+
+.topIndex {
+  z-index: 99999999999999999999999 !important;
+}
+</style>