diff --git a/.woodpecker/my-first-workflow.yaml b/.woodpecker/my-first-workflow.yaml
index 7858e40af..fcf87a246 100644
--- a/.woodpecker/my-first-workflow.yaml
+++ b/.woodpecker/my-first-workflow.yaml
@@ -77,8 +77,6 @@ steps:
       GO111MODULE: on
       GOSUMDB: off
     commands:
-    # 1. 备份原有源（可选）
-      - cp /etc/apt/sources.list /etc/apt/sources.list.bak
     # 2. 清空主源文件（关键：先删空，再写入）
       - >
         echo "" > /etc/apt/sources.list