diff --git a/docs/build_docs/add_readme.py b/docs/build_docs/add_readme.py
new file mode 100644
index 00000000000..55efabb2e63
--- /dev/null
+++ b/docs/build_docs/add_readme.py
@@ -0,0 +1,33 @@
+import os
+import sys
+
+
+def main(inputs):
+    # output_file = f"{input_file}.new"
+    for input_file in inputs:
+        output_file = input_file
+        res = []
+        with open(input_file, "r") as f:
+            for line in f.readlines():
+                start = 0
+                while True:
+                    pos = line.find('href="./', start)
+
+                    if pos >= 0:
+                        # print("find", line)
+                        end_pos = line.find('">', pos)
+                        line = line[:end_pos] + '/README.md">' + line[end_pos + 2 :]
+                        start = end_pos + 2
+                    else:
+                        break
+
+                res.append(line)
+
+        with open(output_file, "w") as f:
+            f.write("".join(res))
+
+            print(f"save to {output_file}")
+
+
+if __name__ == "__main__":
+    main(sys.argv[1:])
diff --git a/docs/build_docs/build.sh b/docs/build_docs/build.sh
index 43b2a0dd467..96cf6446d5d 100755
--- a/docs/build_docs/build.sh
+++ b/docs/build_docs/build.sh
@@ -83,7 +83,8 @@ source env_sphinx/bin/activate
 cp -rf ../docs/ ./source
 cp -f "../README.md" "./source/docs/source/Welcome.md"
 cp -f "../SECURITY.md" "./source/docs/source/SECURITY.md"
-
+cp -rf ../examples ./source/docs/source/
+#python add_readme.py ./source/docs/source/examples/3.x_api/README.md
 
 all_md_files=`find ./source/docs -name "*.md"`
 for md_file in ${all_md_files}