diff --git a/README.md b/README.md
index 448f188..11fd25a 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,9 @@
 # math
 
-| Class        | Comments         |
-|--------------|------------------|
-| Crt          | 中国剩余定理           |
-| EulerTheorem | 欧拉定理             |
-| ModularInv   | 求乘法逆元【扩展欧几里得法】   |
-| Sqrt10       | 求 \sqrt{10}【连分数】 |
+| Class                    | Comments         |
+|--------------------------|------------------|
+| ChineseRemainderTheorem  | 中国剩余定理           |
+| EulerTheorem             | 欧拉定理             |
+| ModularInv               | 求乘法逆元【扩展欧几里得法】   |
+| Sqrt10                   | 求 \sqrt{10}【连分数】 |
 
diff --git a/src/main/java/me/hatter/math/Crt.java b/src/main/java/me/hatter/math/ChineseRemainderTheorem.java
similarity index 96%
rename from src/main/java/me/hatter/math/Crt.java
rename to src/main/java/me/hatter/math/ChineseRemainderTheorem.java
index 1df022d..1975720 100644
--- a/src/main/java/me/hatter/math/Crt.java
+++ b/src/main/java/me/hatter/math/ChineseRemainderTheorem.java
@@ -2,7 +2,7 @@ package me.hatter.math;
 
 import java.math.BigInteger;
 
-public class Crt {
+public class ChineseRemainderTheorem {
 
     public static void main(String[] args) {
         System.out.println(crt(