diff --git a/suites-help/示例代码/缓冲区分析.md b/suites-help/示例代码/缓冲区分析.md
index ffb3f66..fa166b8 100644
--- a/suites-help/示例代码/缓冲区分析.md
+++ b/suites-help/示例代码/缓冲区分析.md
@@ -26,6 +26,7 @@ params:
 steps:
   - id: main
     name: 全流水线
+    type: python
     script_id: process
     params:
       buffer_distance: $params.buffer_distance