diff --git a/dynamic-datasource-creator/src/main/java/com/baomidou/dynamic/datasource/toolkit/CryptoUtils.java b/dynamic-datasource-creator/src/main/java/com/baomidou/dynamic/datasource/toolkit/CryptoUtils.java
index 33097bf..fe733a2 100644
--- a/dynamic-datasource-creator/src/main/java/com/baomidou/dynamic/datasource/toolkit/CryptoUtils.java
+++ b/dynamic-datasource-creator/src/main/java/com/baomidou/dynamic/datasource/toolkit/CryptoUtils.java
@@ -4,7 +4,6 @@ import javax.crypto.Cipher;
 import java.io.ByteArrayOutputStream;
 import java.io.FileInputStream;
 import java.io.IOException;
-import java.nio.charset.StandardCharsets;
 import java.security.*;
 import java.security.cert.Certificate;
 import java.security.cert.CertificateFactory;
@@ -319,4 +318,4 @@ public class CryptoUtils {
         return keyPairs;
     }
 
-}
+}
\ No newline at end of file
diff --git a/dynamic-datasource-spring/src/main/java/com/baomidou/dynamic/datasource/tx/TransactionalTemplate.java b/dynamic-datasource-spring/src/main/java/com/baomidou/dynamic/datasource/tx/TransactionalTemplate.java
index ad78d70..120c43a 100644
--- a/dynamic-datasource-spring/src/main/java/com/baomidou/dynamic/datasource/tx/TransactionalTemplate.java
+++ b/dynamic-datasource-spring/src/main/java/com/baomidou/dynamic/datasource/tx/TransactionalTemplate.java
@@ -218,7 +218,7 @@ public class TransactionalTemplate {
      * @param array 长度
      * @return 数组对象为null或者长度为 0 时，返回 false
      */
-    public  boolean isEmpty(Object[] array) {
+    public boolean isEmpty(Object[] array) {
         return array == null || array.length == 0;
     }
 
@@ -227,9 +227,8 @@ public class TransactionalTemplate {
      *
      * @param array 数组
      * @return 数组对象内含有任意对象时返回 true
-     * @see ArrayUtils#isEmpty(Object[])
      */
-    public  boolean isNotEmpty(Object[] array) {
+    public boolean isNotEmpty(Object[] array) {
         return !isEmpty(array);
     }
 }
\ No newline at end of file