diff --git a/.gitignore b/.gitignore
index 1f692b3..dc5a60e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -78,3 +78,10 @@ patch_v2/sdk/test_p1p2p3_repro
 patch_v2/ncm_app/vendor/
 patch_v2/ncm_app/out/
 patch_v2/sdk/test_sdk_fixes
+
+# 诊断工具构建产物（源码入库，二进制免）
+patch_v2/tools/sndprobe
+patch_v2/tools/tonepcm
+patch_v2/tools/tonepcm2
+patch_v2/ncm_app/cache_evict_sim
+patch_v2/ncm_app/pagination_sim