diff --git a/src/main/java/com/yexuejc/base/util/ImgUtil.java b/src/main/java/com/yexuejc/base/util/ImgUtil.java
index aa55731..3613789 100644
--- a/src/main/java/com/yexuejc/base/util/ImgUtil.java
+++ b/src/main/java/com/yexuejc/base/util/ImgUtil.java
@@ -246,10 +246,7 @@ public class ImgUtil {
      * @throws IOException
      */
     public static byte[] decode(String encodeStr) throws IOException {
-        byte[] bt = null;
-        BASE64Decoder decoder = new BASE64Decoder();
-        bt = decoder.decodeBuffer(encodeStr);
-        return bt;
+        return Base64.getDecoder().decode(encodeStr);
     }
 
     /**