diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/audit/http/HttpUtil.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/audit/http/HttpUtil.java
index c424331f..0b706e62 100644
--- a/mybatis-flex-core/src/main/java/com/mybatisflex/core/audit/http/HttpUtil.java
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/audit/http/HttpUtil.java
@@ -82,7 +82,7 @@ public class HttpUtil {
     private static SSLSocketFactory initSSLSocketFactory() {
         try {
             TrustManager[] tm = {new HttpUtil.TrustAnyTrustManager()};
-            SSLContext sslContext = SSLContext.getInstance("TLS");    // ("TLS", "SunJSSE");
+            SSLContext sslContext = SSLContext.getInstance("TLS");    // "TLS", "SunJSSE"
             sslContext.init(null, tm, new java.security.SecureRandom());
             return sslContext.getSocketFactory();
         } catch (Exception e) {
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/keygen/MybatisKeyGeneratorUtil.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/keygen/MybatisKeyGeneratorUtil.java
index 6db4270e..228013ab 100644
--- a/mybatis-flex-core/src/main/java/com/mybatisflex/core/keygen/MybatisKeyGeneratorUtil.java
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/keygen/MybatisKeyGeneratorUtil.java
@@ -107,7 +107,7 @@ public class MybatisKeyGeneratorUtil {
         //看到有的框架把 keyGenerator 添加到 mybatis 的当前配置里去，其实是完全没必要的
         //因为只有在 xml 解析的时候，才可能存在多一个 MappedStatement 拥有同一个 keyGenerator 的情况
         //当前每个方法都拥有一个自己的 keyGenerator 了，没必要添加
-        //this.addKeyGenerator(selectId, keyGenerator);
+        //addKeyGenerator(selectId, keyGenerator)
         return new SelectKeyGenerator(keyMappedStatement, isKeyBefore(idInfo, globalKeyConfig));
     }
 
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/keygen/RowKeyGenerator.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/keygen/RowKeyGenerator.java
index 2375af65..53d3feb0 100644
--- a/mybatis-flex-core/src/main/java/com/mybatisflex/core/keygen/RowKeyGenerator.java
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/keygen/RowKeyGenerator.java
@@ -1,17 +1,17 @@
-/**
- * Copyright (c) 2022-2023, Mybatis-Flex (fuhai999@gmail.com).
- * <p>
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- * <p>
- * http://www.apache.org/licenses/LICENSE-2.0
- * <p>
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+/*
+ *  Copyright (c) 2022-2023, Mybatis-Flex (fuhai999@gmail.com).
+ *  <p>
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *  <p>
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *  <p>
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
  */
 package com.mybatisflex.core.keygen;
 
@@ -128,7 +128,7 @@ public class RowKeyGenerator implements KeyGenerator, IMultiKeyGenerator {
             //看到有的框架把 keyGenerator 添加到 mybatis 的当前配置里去，其实是完全没必要的
             //因为只有在 xml 解析的时候，才可能存在多一个 MappedStatement 拥有同一个 keyGenerator 的情况
             //当前每个方法都拥有一个自己的 keyGenerator 了，没必要添加
-            //this.addKeyGenerator(selectId, keyGenerator);
+            //addKeyGenerator(selectId, keyGenerator)
             return new SelectKeyGenerator(keyMappedStatement, rowKey.isBefore());
         }
 
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/util/UpdateEntity.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/util/UpdateEntity.java
index 1061cbd4..ece89e72 100644
--- a/mybatis-flex-core/src/main/java/com/mybatisflex/core/util/UpdateEntity.java
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/util/UpdateEntity.java
@@ -92,8 +92,8 @@ public class UpdateEntity {
                 if (value != null) {
                     reflector.getSetInvoker(propertyName).invoke(newEntity, new Object[]{value});
                 }
-            } catch (Exception e) {
-                //ignore;
+            } catch (Exception ignored) {
+                // do nothing here.
             }
         }