diff --git a/.gitignore b/.gitignore
index 380185b7..fe4a067b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -21,7 +21,7 @@ local.properties
 # app build 目录
 /app/build/
 
-# 删除这行：*/build/
-# 改为忽略所有 build，但排除 Opencv
-**/build/
-!/Opencv/build/           ← 关键：保留 Opencv 的 build 目录
\ No newline at end of file
+# Opencv build 目录（不提交生成的编译文件）
+/Opencv/build/
+/Opencv/.gradle/
+/Opencv/*.iml
\ No newline at end of file