chore(应用预览调试): 更换滚动置底按钮图标

src/views/personal-space/personal-app-setting/components/agent-config/agent-preview/components/message-list.vue

@@ -80,10 +80,10 @@ function handleShowKnowledgeResult(knowledgeContentResult: KnowledgeContentResul
 
     <div
       v-show="visible"
-      class="flex-center hover:text-theme-color absolute bottom-5 right-5 h-6 w-6 cursor-pointer rounded-full bg-white shadow-[0_0_0_1px_#ededed]"
+      class="flex-center hover:text-theme-color absolute bottom-5 right-5 h-[26px] w-[26px] cursor-pointer rounded-full bg-white shadow-[0_0_0_1px_#ededed]"
       @click.stop="clickBackBottom"
     >
-      <i class="iconfont icon-left rotate-270 text-sm" />
+      <i class="iconfont icon-huidaodibu text-[12px]" />
     </div>
 
     <HitKnowledge