diff --git a/demo/wxp.png b/demo/wxp.png new file mode 100644 index 00000000..2d53d828 Binary files /dev/null and b/demo/wxp.png differ diff --git a/demo/wxzs.jpeg b/demo/wxzs.jpeg new file mode 100644 index 00000000..e4e5ad02 Binary files /dev/null and b/demo/wxzs.jpeg differ diff --git a/demo/zfbp.png b/demo/zfbp.png new file mode 100644 index 00000000..9affd414 Binary files /dev/null and b/demo/zfbp.png differ