diff --git a/packages/core/src/services/llm/service.ts b/packages/core/src/services/llm/service.ts
index 8ef4500d..1d88b2cb 100644
--- a/packages/core/src/services/llm/service.ts
+++ b/packages/core/src/services/llm/service.ts
@@ -531,62 +531,25 @@ export class LLMService implements ILLMService {
       const response = await openai.models.list();
       console.log('API返回的原始模型列表:', response);
 
-      // 检查响应格式
+      // 只处理标准 OpenAI 格式
       if (response && response.data && Array.isArray(response.data)) {
-        // 标准 OpenAI 格式
         return response.data
           .map(model => ({
             id: model.id,
             name: model.id
           }))
           .sort((a, b) => a.id.localeCompare(b.id));
-      } else if (response && Array.isArray(response)) {
-        // 可能是一个简单的模型 ID 数组
-        return response
-          .map(modelId => ({
-            id: typeof modelId === 'string' ? modelId :
-              typeof modelId === 'object' && modelId !== null ?
-                (modelId.id || modelId.name || String(modelId)) : String(modelId),
-            name: typeof modelId === 'string' ? modelId :
-              typeof modelId === 'object' && modelId !== null ?
-                (modelId.name || modelId.id || String(modelId)) : String(modelId)
-          }))
-          .sort((a, b) => a.id.localeCompare(b.id));
-      } else if (response && typeof response === 'object') {
-        // 尝试从对象中提取有用信息
-        const possibleArrayProps = ['models', 'data', 'items', 'results', 'list'];
-
-        for (const prop of possibleArrayProps) {
-          if (response[prop as keyof typeof response] &&
-            Array.isArray(response[prop as keyof typeof response])) {
-            const modelArray = response[prop as keyof typeof response] as any[];
-            return modelArray
-              .map(model => {
-                // 处理不同类型的模型对象
-                if (typeof model === 'string') {
-                  return { id: model, name: model };
-                } else if (typeof model === 'object' && model !== null) {
-                  const id = model.id || model.name || model.model || String(model);
-                  const name = model.name || model.id || model.model || String(model);
-                  return { id: String(id), name: String(name) };
-                } else {
-                  return { id: String(model), name: String(model) };
-                }
-              })
-              .sort((a, b) => a.id.localeCompare(b.id));
-          }
-        }
       }
 
-      // 如果无法解析响应格式，记录并返回空数组
-      console.warn('无法解析API响应格式:', response);
+      // 如果格式不匹配标准格式，记录并返回空数组
+      console.warn('API返回格式与预期不符:', response);
       return [];
 
     } catch (error: any) {
       console.error('获取模型列表失败:', error);
       console.log('错误详情:', error.response?.data || error.message);
 
-      // 对于自定义接口，返回空数组
+      // 发生错误时返回空数组
       return [];
     }
   }
diff --git a/packages/ui/src/components/InputWithSelect.vue b/packages/ui/src/components/InputWithSelect.vue
index e2af634a..acc99cca 100644
--- a/packages/ui/src/components/InputWithSelect.vue
+++ b/packages/ui/src/components/InputWithSelect.vue
@@ -1,9 +1,10 @@
 <template>
-  <div class="relative">
+  <div ref="componentRef" class="relative">
     <div class="flex">
       <input
+        ref="inputRef"
         :value="modelValue"
-        @input="$emit('update:modelValue', $event.target.value)"
+        @input="handleInput"
         :type="type"
         :required="required"
         :placeholder="placeholder"
@@ -53,12 +54,12 @@
       <div v-if="isLoading" class="p-2 text-center theme-manager-text-secondary">
         {{ loadingText }}
       </div>
-      <div v-else-if="options.length === 0" class="p-2 text-center theme-manager-text-secondary">
+      <div v-else-if="filteredOptions.length === 0" class="p-2 text-center theme-manager-text-secondary">
         {{ noOptionsText }}
       </div>
       <ul v-else class="py-1">
         <li
-          v-for="option in options"
+          v-for="option in filteredOptions"
           :key="option.value"
           @click="selectOption(option)"
           :class="[
@@ -74,7 +75,7 @@
 </template>
 
 <script setup>
-import { ref, defineProps, defineEmits, onMounted, onUnmounted } from 'vue';
+import { ref, defineProps, defineEmits, onMounted, onUnmounted, computed } from 'vue';
 
 const props = defineProps({
   modelValue: {
@@ -126,14 +127,38 @@ const props = defineProps({
 const emit = defineEmits(['update:modelValue', 'select', 'fetchOptions']);
 
 const isOpen = ref(false);
+const inputRef = ref(null);
+const searchText = ref('');
+
+// 根据输入内容筛选选项
+const filteredOptions = computed(() => {
+  if (!searchText.value) return props.options;
+  return props.options.filter(option => 
+    option.label.toLowerCase().includes(searchText.value.toLowerCase()) ||
+    option.value.toLowerCase().includes(searchText.value.toLowerCase())
+  );
+});
+
+// 处理输入事件
+const handleInput = (event) => {
+  const value = event.target.value;
+  emit('update:modelValue', value);
+  searchText.value = value;
+};
 
 // Toggle dropdown visibility
 const toggleDropdown = async () => {
   isOpen.value = !isOpen.value;
   
-  // If dropdown is being opened and we have a fetch function, call it
+  // 如果打开下拉菜单，聚焦到输入框
   if (isOpen.value) {
     emit('fetchOptions');
+    // 等待DOM更新后聚焦
+    setTimeout(() => {
+      if (inputRef.value) {
+        inputRef.value.focus();
+      }
+    }, 10);
   }
 };
 
@@ -142,25 +167,39 @@ const selectOption = (option) => {
   emit('update:modelValue', option.value);
   emit('select', option);
   isOpen.value = false;
+  searchText.value = '';
 };
 
 // Close dropdown when clicking outside
 const handleClickOutside = (event) => {
-  if (isOpen.value && !event.target.closest('.relative')) {
+  console.log('Click detected', {
+    isOpen: isOpen.value,
+    isComponent: componentRef.value && componentRef.value.contains(event.target),
+    target: event.target
+  });
+  
+  // 只有在下拉菜单打开且点击的是组件外部时才关闭下拉菜单
+  if (isOpen.value && componentRef.value && !componentRef.value.contains(event.target)) {
+    console.log('Closing dropdown');
     isOpen.value = false;
+    searchText.value = '';
   }
 };
 
+// 组件引用
+const componentRef = ref(null);
+
 // Add and remove event listener
 onMounted(() => {
   if (typeof document !== 'undefined') {
-    document.addEventListener('click', handleClickOutside);
+    // 使用捕获阶段以确保事件能够被正确捕获
+    document.addEventListener('mousedown', handleClickOutside, true);
   }
 });
 
 onUnmounted(() => {
   if (typeof document !== 'undefined') {
-    document.removeEventListener('click', handleClickOutside);
+    document.removeEventListener('mousedown', handleClickOutside, true);
   }
 });
 </script>