增加错误异常弹窗

ui/packages/ai/AiCopilot.vue

@@ -35,7 +35,7 @@ export default {
     expandBtn: v => v.expand ? "收起" : "展开",
     isNeedPosition: v => ["1"].includes(v.app.ability),
     btns: v => [
-      {label: "文件", icon: "https://cdn.sinoecare.com/i/2024/07/04/668663436e46e.png", click: () => v.$refs.uploadTrigger.click()},
+      {label: "文件", icon: "https://cdn.sinoecare.com/i/2024/07/04/668663436e46e.png", click: () => v.$refs.uploadTrigger?.click() || v.$message.error("只允许添加一个文件")},
       {label: "位置", icon: "https://cdn.sinoecare.com/i/2024/08/19/66c2f907bd444.png", hide: !v.isNeedPosition, click: () => v.locate = true}
     ].filter(e => e.hide !== true),
     rowBtns: v => [