diff --git a/src/main/java/com/yipin/liuwanr/util/MD5.java b/src/main/java/com/yipin/liuwanr/util/MD5.java
index 5cfce04..9177154 100644
--- a/src/main/java/com/yipin/liuwanr/util/MD5.java
+++ b/src/main/java/com/yipin/liuwanr/util/MD5.java
@@ -4,6 +4,9 @@ import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
 
 public final class MD5 {
+    public static void main(String[] args) {
+        System.out.println(encrypt("admin"));
+    }
 
     public static String encrypt(String strSrc) {
         try {