diff --git a/docs/cs-basics/data-structure/pictures/红黑树/红黑树1.png b/docs/cs-basics/data-structure/pictures/红黑树/红黑树1.png
new file mode 100644
index 00000000..4792fdfd
Binary files /dev/null and b/docs/cs-basics/data-structure/pictures/红黑树/红黑树1.png differ
diff --git a/docs/cs-basics/data-structure/pictures/红黑树/红黑树2.png b/docs/cs-basics/data-structure/pictures/红黑树/红黑树2.png
new file mode 100644
index 00000000..a29fbf3c
Binary files /dev/null and b/docs/cs-basics/data-structure/pictures/红黑树/红黑树2.png differ
diff --git a/docs/cs-basics/data-structure/pictures/红黑树/红黑树3.png b/docs/cs-basics/data-structure/pictures/红黑树/红黑树3.png
new file mode 100644
index 00000000..74c3b7de
Binary files /dev/null and b/docs/cs-basics/data-structure/pictures/红黑树/红黑树3.png differ
diff --git a/docs/cs-basics/data-structure/pictures/红黑树/红黑树4.png b/docs/cs-basics/data-structure/pictures/红黑树/红黑树4.png
new file mode 100644
index 00000000..6092109d
Binary files /dev/null and b/docs/cs-basics/data-structure/pictures/红黑树/红黑树4.png differ
diff --git a/docs/cs-basics/data-structure/pictures/红黑树/红黑树5.png b/docs/cs-basics/data-structure/pictures/红黑树/红黑树5.png
new file mode 100644
index 00000000..15e457f4
Binary files /dev/null and b/docs/cs-basics/data-structure/pictures/红黑树/红黑树5.png differ
diff --git a/docs/cs-basics/data-structure/pictures/红黑树/红黑树6.png b/docs/cs-basics/data-structure/pictures/红黑树/红黑树6.png
new file mode 100644
index 00000000..539579a9
Binary files /dev/null and b/docs/cs-basics/data-structure/pictures/红黑树/红黑树6.png differ
diff --git a/docs/cs-basics/data-structure/red-black-tree.md b/docs/cs-basics/data-structure/red-black-tree.md
index 06851d85..113607c6 100644
--- a/docs/cs-basics/data-structure/red-black-tree.md
+++ b/docs/cs-basics/data-structure/red-black-tree.md
@@ -57,34 +57,34 @@ public class Node {
 
 ### 1.左倾染色
 
-![幻灯片1](pictures/红黑树/红黑树1.PNG)
+![幻灯片1](./pictures/红黑树/红黑树1.png)
 
 - 染色时根据当前节点的爷爷节点，找到当前节点的叔叔节点。
 - 再把父节点染黑、叔叔节点染黑，爷爷节点染红。但爷爷节点染红是临时的，当平衡树高操作后会把根节点染黑。
 
 ### 2.右倾染色
 
-![幻灯片2](pictures/红黑树/红黑树2.PNG)
+![幻灯片2](./pictures/红黑树/红黑树2.png)
 
 ### 3.左旋调衡
 
 #### 3.1 一次左旋
 
-![幻灯片3](pictures/红黑树/红黑树3.PNG)
+![幻灯片3](./pictures/红黑树/红黑树3.png)
 
 #### 3.2 右旋+左旋
 
-![幻灯片4](pictures/红黑树/红黑树4.PNG)
+![幻灯片4](./pictures/红黑树/红黑树4.png)
 
 ### 4.右旋调衡
 
 #### 4.1 一次右旋
 
-![幻灯片5](pictures/红黑树/红黑树5.PNG)
+![幻灯片5](./pictures/红黑树/红黑树5.png)
 
 #### 4.2 左旋+右旋
 
-![幻灯片6](pictures/红黑树/红黑树6.PNG)
+![幻灯片6](./pictures/红黑树/红黑树6.png)
 
 ## 文章推荐