diff --git a/docs/notes/剑指 Offer 题解 - 10~19.md b/docs/notes/剑指 Offer 题解 - 10~19.md
index 458af00e..e5d65231 100644
--- a/docs/notes/剑指 Offer 题解 - 10~19.md	
+++ b/docs/notes/剑指 Offer 题解 - 10~19.md	
@@ -154,7 +154,7 @@ public int JumpFloor(int n) {
     if (n <= 2)
         return n;
     int pre2 = 1, pre1 = 2;
-    int result = 1;
+    int result = 0;
     for (int i = 2; i < n; i++) {
         result = pre2 + pre1;
         pre2 = pre1;
diff --git a/notes/剑指 Offer 题解 - 10~19.md b/notes/剑指 Offer 题解 - 10~19.md
index 57c4cd70..1a05a88a 100644
--- a/notes/剑指 Offer 题解 - 10~19.md	
+++ b/notes/剑指 Offer 题解 - 10~19.md	
@@ -154,7 +154,7 @@ public int JumpFloor(int n) {
     if (n <= 2)
         return n;
     int pre2 = 1, pre1 = 2;
-    int result = 1;
+    int result = 0;
     for (int i = 2; i < n; i++) {
         result = pre2 + pre1;
         pre2 = pre1;