From 4bc93b8eec777b87e156e8d4ea87a79d09a0a62a Mon Sep 17 00:00:00 2001
From: GeoDaoyu <geodaoyu@foxmail.com>
Date: Sun, 16 Nov 2025 16:24:55 +0800
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fixed https://github.com/javascript-tutorial/zh.javascript.info/issues/1261
---
 7-animation/1-bezier-curve/article.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/7-animation/1-bezier-curve/article.md b/7-animation/1-bezier-curve/article.md
index 971fc072d..3c4428790 100644
--- a/7-animation/1-bezier-curve/article.md
+++ b/7-animation/1-bezier-curve/article.md
@@ -77,7 +77,7 @@
 例如，如果控制点是 `(0,0)`、`(0.5, 1)` 和 `(1, 0)`，则方程式为：
 
 - <code>x = (1−t)<sup>2</sup> * 0 + 2(1−t)t * 0.5 + t<sup>2</sup> * 1 = (1-t)t + t<sup>2</sup> = t</code>
-- <code>y = (1−t)<sup>2</sup> * 0 + 2(1−t)t * 1 + t<sup>2</sup> * 0 = 2(1-t)t = –t<sup>2</sup> + 2t</code>
+- <code>y = (1−t)<sup>2</sup> * 0 + 2(1−t)t * 1 + t<sup>2</sup> * 0 = 2(1-t)t = –2t<sup>2</sup> + 2t</code>
 
 现在随着 `t` 从 `0` 到 `1` 变化，每个 `t` 对应的 `(x,y)` 集合可以构成曲线。