优化

src/api/overseasHttp.ts

@@ -65,3 +65,27 @@ export async function overseasApiRequest<T>(config: AxiosRequestConfig) {
     throw new ApiError(error instanceof Error ? error.message : '海外接口请求失败')
   }
 }
+
+export async function overseasBlobRequest(config: AxiosRequestConfig) {
+  try {
+    const response = await transport.request<Blob>({ ...config, responseType: 'blob' })
+    return response.data
+  } catch (error) {
+    if (error instanceof ApiError) throw error
+    if (axios.isAxiosError(error)) {
+      const body = error.response?.data
+      if (body instanceof Blob && body.type.includes('json')) {
+        try {
+          const parsed: unknown = JSON.parse(await body.text())
+          if (isApiEnvelope(parsed) || isApiFailure(parsed)) {
+            throw new ApiError(parsed.message, parsed.code, error.response?.status, undefined, parsed.traceId, parsed.requestId)
+          }
+        } catch (parseError) {
+          if (parseError instanceof ApiError) throw parseError
+        }
+      }
+      throw new ApiError(error.code === 'ERR_NETWORK' ? '无法连接海外服务' : error.message, error.code || 'OVERSEAS_HTTP_ERROR', error.response?.status)
+    }
+    throw new ApiError(error instanceof Error ? error.message : '海外文件下载失败')
+  }
+}