diff --git a/ui/src/layout/components/breadcrumb/index.vue b/ui/src/layout/components/breadcrumb/index.vue
index 9df0d892f..047abb239 100644
--- a/ui/src/layout/components/breadcrumb/index.vue
+++ b/ui/src/layout/components/breadcrumb/index.vue
@@ -67,7 +67,7 @@
             </div>
           </template>
         </el-dropdown-menu>
-        <div class="border-t" style="padding: 8px 11px; min-width: 200px">
+        <div class="breadcrumb__footer border-t" style="padding: 8px 11px; min-width: 200px">
           <template v-if="isApplication">
             <div
               class="w-full text-left cursor"
@@ -195,5 +195,10 @@ onMounted(() => {
       color: var(--el-menu-active-color);
     }
   }
+  &__footer {
+    &:hover {
+      background-color: var(--app-text-color-light-1);
+    }
+  }
 }
 </style>
diff --git a/ui/src/styles/app.scss b/ui/src/styles/app.scss
index c910081ea..721fface2 100644
--- a/ui/src/styles/app.scss
+++ b/ui/src/styles/app.scss
@@ -498,3 +498,12 @@ h4 {
     border: 1px solid var(--el-color-primary);
   }
 }
+
+// AI模型选择：添加模型hover样式
+.select-model {
+  .el-select-dropdown__footer {
+    &:hover {
+      background-color: var(--el-fill-color-light);
+    }
+  }
+}
diff --git a/ui/src/views/application/CreateAndSetting.vue b/ui/src/views/application/CreateAndSetting.vue
index 087a86e94..10bcbedac 100644
--- a/ui/src/views/application/CreateAndSetting.vue
+++ b/ui/src/views/application/CreateAndSetting.vue
@@ -56,6 +56,7 @@
                   v-model="applicationForm.model_id"
                   placeholder="请选择 AI 模型"
                   style="width: 100%"
+                  popper-class="select-model"
                 >
                   <el-option-group
                     v-for="(value, label) in modelOptions"
@@ -565,4 +566,6 @@ onMounted(() => {
     padding: 0 !important;
   }
 }
+
+
 </style>