diff --git a/.github/workflows/md-check.yml b/.github/workflows/md-check.yml
index 2e05178..9b769d4 100644
--- a/.github/workflows/md-check.yml
+++ b/.github/workflows/md-check.yml
@@ -57,22 +57,11 @@ jobs:
             exit 0
           fi
 
+          # 情况 4：cpp 和 md 都存在 —— 只检查每个 md 的首行
           echo "has_cpp=true" >> "$GITHUB_OUTPUT"
 
           EXIT_CODE=0
 
-          # 3a：每个 .cpp 必须有同名 .md
-          for cpp_file in "${CPP_FILES[@]}"; do
-            base=$(basename "$cpp_file" .cpp)
-            md_file="${base}.md"
-
-            if [ ! -f "$md_file" ]; then
-              echo "::error file=${cpp_file}::对应的 Markdown 文件 ${md_file} 不存在"
-              EXIT_CODE=1
-            fi
-          done
-
-          # 3b：每个 .md 的第一行必须匹配 "# <base> ..."
           for md_file in "${MD_FILES[@]}"; do
             base=$(basename "$md_file" .md)
             FIRST_LINE=$(head -n 1 "$md_file")