改造请求headers,并优化初始请求

src/components/settings.vue

@@ -4,7 +4,7 @@
       <el-form-item label="语言模型">
         <el-row class="flexWrap">
           <ai-model v-for="m in models" :model="m" small :class="{active:settings.model.id==m.id}"
-                    @click="settings.model=m"/>
+                    @click="settings.model=new m()"/>
         </el-row>
       </el-form-item>
       <el-form-item label="流式输出">
@@ -50,7 +50,7 @@ export default {
     }
   },
   computed: {
-    models: () => Object.values(models).map((model => new model())),
+    models: () => Object.values(models),
     account: v => v.settings.account || {usage: 0, total: 0}
   },
   methods: {