refactor: 优化请求封装

- 优化Result接口定义
- 新增响应数据解析逻辑
- 优化错误解析逻辑

src/apis/model/biz/vimp/snap-result.ts

@@ -1,5 +1,9 @@
 export interface SnapResult {
-  absoluteFilePath: string;
-  path: string;
-  url: string;
+  code: number;
+  msg: string;
+  data: {
+    absoluteFilePath: string;
+    path: string;
+    url: string;
+  };
 }