diff --git a/.gitattributes b/.gitattributes
index 8636803..dc54d76 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -5,3 +5,4 @@
 *.ipynb filter=lfs diff=lfs merge=lfs -text
 *.ai filter=lfs diff=lfs merge=lfs -text
 *.pvsm filter=lfs diff=lfs merge=lfs -text
+*.png filter=lfs diff=lfs merge=lfs -text
diff --git a/paper/todo.typ b/paper/todo.typ
index c099cac..ad038c5 100644
--- a/paper/todo.typ
+++ b/paper/todo.typ
@@ -10,13 +10,14 @@
       - [x] 中文
       - [x] 英文
       - [x] 调整语言
-    - [ ] 坐标轴定义
+    - [/] 坐标轴定义
       - [x] 中文，20
       - [x] 考虑图片怎么画，10
       - [x] 准备原子坐标，20
       - [x] 准备键，5
       - [x] 画出原子和键，75
-      - [ ] 增加表示分层的方块，30
+      - [x] 调整图片，使得不太杂乱，80
+      - [ ] 合成图片，20
     - [/] 拉曼实验
       - [x] 仪器设置
         - [x] 中文
diff --git a/画图/坐标/2d.png b/画图/坐标/2d.png
new file mode 100644
index 0000000..e948c31
--- /dev/null
+++ b/画图/坐标/2d.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:61b2182ccefbad44990aa0c96e8cec8a2e75ee36fc1d9311d665900276275bae
+size 240959
diff --git a/画图/坐标/3d.png b/画图/坐标/3d.png
new file mode 100644
index 0000000..c58953d
--- /dev/null
+++ b/画图/坐标/3d.png
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8535ea893333f58c56b211c07b56d7de0b6c5c3b06c4a02492efd93f3b56d780
+size 225606
diff --git a/画图/坐标/main.pvsm b/画图/坐标/main.pvsm
index 629c509..eff64c5 100644
--- a/画图/坐标/main.pvsm
+++ b/画图/坐标/main.pvsm
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:afde6cddb1e14dd7433514197d3b424265ceac82699157d929d7b9230f8a2e2b
-size 2358988
+oid sha256:7db9525f544e9db5cf20fac22155f6ac56b5d26ad04c661b763fbd1ef283f052
+size 5097204