diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index 9a00a0f..7060a86 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -4,3 +4,8 @@ server:
 spring:
   application:
     name: gmp-mock-service
+
+# 文件下载 URL 前缀，为空则只返回路径（适用于同域访问）
+# 生产环境设置完整 origin，例如: http://193.112.146.124:6666
+gmp:
+  download-origin: http://193.112.146.124:6666