diff --git a/qr_doc/1.webp b/qr_doc/1.webp
new file mode 100644
index 0000000..cb02345
Binary files /dev/null and b/qr_doc/1.webp differ
diff --git a/qr_doc/2.webp b/qr_doc/2.webp
new file mode 100644
index 0000000..cdd5bfb
Binary files /dev/null and b/qr_doc/2.webp differ
diff --git a/zxing_doc/1.webp b/zxing_doc/1.webp
new file mode 100644
index 0000000..4df52a4
Binary files /dev/null and b/zxing_doc/1.webp differ