diff --git a/实现Kyber所需的多项式和线性代数知识.md b/实现Kyber所需的多项式和线性代数知识.md
index 7fde0ce..404df32 100644
--- a/实现Kyber所需的多项式和线性代数知识.md
+++ b/实现Kyber所需的多项式和线性代数知识.md
@@ -50,6 +50,7 @@ $T_q$ 中的元素看起来象这样：
 \hat{g} = (\hat{g}_{0,0} + \hat{g}_{0,1}X, \hat{g}_{1,0} + \hat{g}_{1,1}X, \cdots, \hat{g}_{127,0} + \hat{g}_{127,1}X) \in T_q
 ```
 $$ \downarrow $$
+
 ```math
 (\hat{g}_{0,0}, \hat{g}_{0,1}, \hat{g}_{1,0}, \hat{g}_{1,1}, ..., \hat{g}_{127,0}, \hat{g}_{127,1}) \in \mathbb{Z}_q^{256}
 ```