diff --git a/devel/200_14.md b/devel/200_14.md
index 164759e87a901e9d38101d006fbc1dd6511ad570..2b239c6d9cb78d8e451b8b577977d838c1845480 100644
--- a/devel/200_14.md
+++ b/devel/200_14.md
@@ -94,3 +94,15 @@ xmake b goldfish
 bin/goldfish tools/lint.scm tests/goldfish/liii/lint2-test.scm
 bin/goldfish tests/goldfish/liii/lint2-test.scm
 ```
+
+## 2025/08/10 改进 `((()))
+### What
+
+```
+> cat tests/resources/200_14_lint_bad.scm
+(check ($ '(((a)) ((b))) :collect) => '(((a)) ((b)))))
+> bin/goldfish tools/lint.scm tests/resources/200_14_lint_bad.scm
+tests/resources/200_14_lint_bad.scm:
+  ERROR: unmatched parenthesis for 'b' structure at line 1, column 54
+  FIX: remove extraneous closing parenthesis ')' or check corresponding 'b' block starting at line 1, column 48
+```
\ No newline at end of file
diff --git a/tests/resources/200_14_lint_bad.scm b/tests/resources/200_14_lint_bad.scm
new file mode 100644
index 0000000000000000000000000000000000000000..691002e1cf2b741c3277ce6dd642810edaaafc3d
--- /dev/null
+++ b/tests/resources/200_14_lint_bad.scm
@@ -0,0 +1 @@
+(check ($ '(((a)) ((b))) :collect) => '(((a)) ((b)))))
\ No newline at end of file