diff --git a/.drone.yml b/.drone.yml
index 0825e689..5a8f1112 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -5,6 +5,11 @@ name: default
 trigger:
   branch: [main]
   event: [push]
+  # 仅当 commit 修改的文件全部在以下路径下时跳过构建
+  # （只要有任何一个文件在排除路径之外，构建照常触发）
+  paths:
+    exclude:
+      - tools/**
 
 steps:
   - name: build-frontend