face regonition refine

app/src/main/java/com/digitalperson/util/FileHelper.kt

@@ -317,4 +317,17 @@ object FileHelper {
             connection.disconnect()
         }
     }
+    
+    /**
+     * 下载测试图片
+     */
+    fun downloadTestImage(url: String, destination: File): Boolean {
+        return try {
+            downloadFile(url, destination)
+            true
+        } catch (e: Exception) {
+            Log.e(TAG, "Failed to download test image: ${e.message}", e)
+            false
+        }
+    }
 }