diff --git a/notes/10.4 变态跳台阶.md b/notes/10.4 变态跳台阶.md
index f2a80bf6..36381859 100644
--- a/notes/10.4 变态跳台阶.md
+++ b/notes/10.4 变态跳台阶.md
@@ -4,7 +4,7 @@
一只青蛙一次可以跳上 1 级台阶，也可以跳上 2 级... 它也可以跳上 n 级。求该青蛙跳上一个 n 级的台阶总共有多少种跳法。
-
+
## 解题思路
diff --git a/notes/pics/jump-floor-ii.png b/notes/pics/jump-floor-ii.png
new file mode 100644
index 00000000..69d26244
Binary files /dev/null and b/notes/pics/jump-floor-ii.png differ
