diff --git a/docs/zh/others/codegen.md b/docs/zh/others/codegen.md
index 08be198d..1174a9e9 100644
--- a/docs/zh/others/codegen.md
+++ b/docs/zh/others/codegen.md
@@ -25,9 +25,9 @@
 </dependency>
 
 <dependency>
-<groupId>mysql</groupId>
-<artifactId>mysql-connector-java</artifactId>
-<version>8.0.32</version>
+    <groupId>mysql</groupId>
+    <artifactId>mysql-connector-java</artifactId>
+    <version>8.0.32</version>
 </dependency>
 ```
 
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/audit/package-info.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/audit/package-info.java
new file mode 100644
index 00000000..da016ade
--- /dev/null
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/audit/package-info.java
@@ -0,0 +1,20 @@
+/*
+ *  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.
+ */
+
+/**
+ * SQL 审计功能。
+ */
+package com.mybatisflex.core.audit;
\ No newline at end of file
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/constant/package-info.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/constant/package-info.java
new file mode 100644
index 00000000..7728abcb
--- /dev/null
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/constant/package-info.java
@@ -0,0 +1,20 @@
+/*
+ *  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.
+ */
+
+/**
+ * 常量定义。
+ */
+package com.mybatisflex.core.constant;
\ No newline at end of file
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/datasource/package-info.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/datasource/package-info.java
new file mode 100644
index 00000000..de086e58
--- /dev/null
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/datasource/package-info.java
@@ -0,0 +1,20 @@
+/*
+ *  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.
+ */
+
+/**
+ * 多数据源功能。
+ */
+package com.mybatisflex.core.datasource;
\ No newline at end of file
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/dialect/DialectFactory.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/dialect/DialectFactory.java
index ddb942d9..78a72a4e 100644
--- a/mybatis-flex-core/src/main/java/com/mybatisflex/core/dialect/DialectFactory.java
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/dialect/DialectFactory.java
@@ -106,7 +106,7 @@ public class DialectFactory {
             case CUBRID:
             case GOLDILOCKS:
             case CSIIDB:
-                return new CommonsDialectImpl(KeywordWrap.BACKQUOTE, LimitOffsetProcessor.MYSQL);
+                return new CommonsDialectImpl(KeywordWrap.BACK_QUOTE, LimitOffsetProcessor.MYSQL);
             case ORACLE:
                 return new OracleDialect();
             case DM:
@@ -126,7 +126,7 @@ public class DialectFactory {
             case UXDB:
                 return new CommonsDialectImpl(KeywordWrap.DOUBLE_QUOTATION, LimitOffsetProcessor.POSTGRESQL);
             case TDENGINE:
-                return new CommonsDialectImpl(KeywordWrap.BACKQUOTE, LimitOffsetProcessor.POSTGRESQL);
+                return new CommonsDialectImpl(KeywordWrap.BACK_QUOTE, LimitOffsetProcessor.POSTGRESQL);
             case ORACLE_12C:
                 return new OracleDialect(LimitOffsetProcessor.DERBY);
             case FIREBIRD:
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/dialect/KeywordWrap.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/dialect/KeywordWrap.java
index 148f4578..3a2cb81d 100644
--- a/mybatis-flex-core/src/main/java/com/mybatisflex/core/dialect/KeywordWrap.java
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/dialect/KeywordWrap.java
@@ -30,7 +30,7 @@ public class KeywordWrap {
     /**
      * 无反义处理, 适用于 db2, informix, clickhouse 等
      */
-    public final static KeywordWrap NONE = new KeywordWrap("", "") {
+    public static final KeywordWrap NONE = new KeywordWrap("", "") {
         @Override
         public String wrap(String keyword) {
             return keyword;
@@ -40,27 +40,27 @@ public class KeywordWrap {
     /**
      * 反引号反义处理, 适用于 mysql, h2 等
      */
-    public final static KeywordWrap BACKQUOTE = new KeywordWrap("`", "`");
+    public static final KeywordWrap BACK_QUOTE = new KeywordWrap("`", "`");
 
     /**
      * 双引号反义处理, 适用于 postgresql, sqlite, derby, oracle 等
      */
-    public final static KeywordWrap DOUBLE_QUOTATION = new KeywordWrap("\"", "\"");
+    public static final KeywordWrap DOUBLE_QUOTATION = new KeywordWrap("\"", "\"");
 
     /**
      * 方括号反义处理, 适用于 sqlserver
      */
-    public final static KeywordWrap SQUARE_BRACKETS = new KeywordWrap("[", "]");
+    public static final KeywordWrap SQUARE_BRACKETS = new KeywordWrap("[", "]");
 
     /**
      * 大小写敏感
      */
-    private boolean caseSensitive = false;
+    private final boolean caseSensitive;
 
     /**
      * 数据库关键字
      */
-    private Set<String> keywords = Collections.emptySet();
+    private final Set<String> keywords;
 
     /**
      * 前缀
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/dialect/LimitOffsetProcessor.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/dialect/LimitOffsetProcessor.java
index c931c01c..db312d92 100644
--- a/mybatis-flex-core/src/main/java/com/mybatisflex/core/dialect/LimitOffsetProcessor.java
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/dialect/LimitOffsetProcessor.java
@@ -131,7 +131,7 @@ public interface LimitOffsetProcessor {
             }
             StringBuilder newSql = new StringBuilder("SELECT * FROM (SELECT TEMP_DATAS.*, ROWNUM RN FROM (");
             newSql.append(sql);
-            newSql.append(") TEMP_DATAS WHERE ROWNUM <= ").append(limitOffset + limitRows).append(" ) WHERE RN > ").append(limitOffset);
+            newSql.append(") TEMP_DATAS WHERE ROWNUM <= ").append(limitOffset + limitRows).append(") WHERE RN > ").append(limitOffset);
             return newSql;
         }
         return sql;
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/dialect/impl/CommonsDialectImpl.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/dialect/impl/CommonsDialectImpl.java
index 24ce58f2..f9b4d875 100644
--- a/mybatis-flex-core/src/main/java/com/mybatisflex/core/dialect/impl/CommonsDialectImpl.java
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/dialect/impl/CommonsDialectImpl.java
@@ -43,7 +43,7 @@ import static com.mybatisflex.core.constant.SqlConsts.*;
  */
 public class CommonsDialectImpl implements IDialect {
 
-    protected KeywordWrap keywordWrap = KeywordWrap.BACKQUOTE;
+    protected KeywordWrap keywordWrap = KeywordWrap.BACK_QUOTE;
     private LimitOffsetProcessor limitOffsetProcessor = LimitOffsetProcessor.MYSQL;
 
     public CommonsDialectImpl() {
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/dialect/impl/package-info.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/dialect/impl/package-info.java
new file mode 100644
index 00000000..6559531d
--- /dev/null
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/dialect/impl/package-info.java
@@ -0,0 +1,20 @@
+/*
+ *  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.
+ */
+
+/**
+ * 默认 SQL 方言实现类。
+ */
+package com.mybatisflex.core.dialect.impl;
\ No newline at end of file
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/dialect/package-info.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/dialect/package-info.java
new file mode 100644
index 00000000..2faa2ff9
--- /dev/null
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/dialect/package-info.java
@@ -0,0 +1,20 @@
+/*
+ *  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.
+ */
+
+/**
+ * SQL 方言功能。
+ */
+package com.mybatisflex.core.dialect;
\ No newline at end of file
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/exception/package-info.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/exception/package-info.java
new file mode 100644
index 00000000..28b21498
--- /dev/null
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/exception/package-info.java
@@ -0,0 +1,20 @@
+/*
+ *  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.
+ */
+
+/**
+ * 异常定义。
+ */
+package com.mybatisflex.core.exception;
\ No newline at end of file
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/field/package-info.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/field/package-info.java
new file mode 100644
index 00000000..831850e6
--- /dev/null
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/field/package-info.java
@@ -0,0 +1,20 @@
+/*
+ *  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.
+ */
+
+/**
+ * 属性查询（Field Query）功能。
+ */
+package com.mybatisflex.core.field;
\ No newline at end of file
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/handler/package-info.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/handler/package-info.java
new file mode 100644
index 00000000..2a3a1cb2
--- /dev/null
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/handler/package-info.java
@@ -0,0 +1,20 @@
+/*
+ *  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.
+ */
+
+/**
+ * 内置类型处理器。
+ */
+package com.mybatisflex.core.handler;
\ No newline at end of file
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/javassist/package-info.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/javassist/package-info.java
new file mode 100644
index 00000000..0fafa3c2
--- /dev/null
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/javassist/package-info.java
@@ -0,0 +1,20 @@
+/*
+ *  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.
+ */
+
+/**
+ * 处理部分字段更新。
+ */
+package com.mybatisflex.core.javassist;
\ No newline at end of file
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/keygen/impl/package-info.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/keygen/impl/package-info.java
new file mode 100644
index 00000000..fcea8e5d
--- /dev/null
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/keygen/impl/package-info.java
@@ -0,0 +1,20 @@
+/*
+ *  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.
+ */
+
+/**
+ * 内置主键生成器实现。
+ */
+package com.mybatisflex.core.keygen.impl;
\ No newline at end of file
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/keygen/package-info.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/keygen/package-info.java
new file mode 100644
index 00000000..52f9adf7
--- /dev/null
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/keygen/package-info.java
@@ -0,0 +1,20 @@
+/*
+ *  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.
+ */
+
+/**
+ * 主键生成功能。
+ */
+package com.mybatisflex.core.keygen;
\ No newline at end of file
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/mask/package-info.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/mask/package-info.java
new file mode 100644
index 00000000..cc973929
--- /dev/null
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/mask/package-info.java
@@ -0,0 +1,20 @@
+/*
+ *  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.
+ */
+
+/**
+ * 数据脱敏功能。
+ */
+package com.mybatisflex.core.mask;
\ No newline at end of file
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/mybatis/executor/package-info.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/mybatis/executor/package-info.java
new file mode 100644
index 00000000..e3cef4c5
--- /dev/null
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/mybatis/executor/package-info.java
@@ -0,0 +1,20 @@
+/*
+ *  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.
+ */
+
+/**
+ * 替换 MyBatis 的执行器（Executor）。
+ */
+package com.mybatisflex.core.mybatis.executor;
\ No newline at end of file
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/mybatis/package-info.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/mybatis/package-info.java
new file mode 100644
index 00000000..2c8a52db
--- /dev/null
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/mybatis/package-info.java
@@ -0,0 +1,20 @@
+/*
+ *  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.
+ */
+
+/**
+ * MyBatis 功能增强。
+ */
+package com.mybatisflex.core.mybatis;
\ No newline at end of file
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/package-info.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/package-info.java
new file mode 100644
index 00000000..402c3e62
--- /dev/null
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/package-info.java
@@ -0,0 +1,20 @@
+/*
+ *  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.
+ */
+
+/**
+ * MyBatis-Flex 一个优雅的 MyBatis 增强框架。
+ */
+package com.mybatisflex.core;
\ No newline at end of file
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/paginate/package-info.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/paginate/package-info.java
new file mode 100644
index 00000000..bc505643
--- /dev/null
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/paginate/package-info.java
@@ -0,0 +1,20 @@
+/*
+ *  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.
+ */
+
+/**
+ * 分页功能。
+ */
+package com.mybatisflex.core.paginate;
\ No newline at end of file
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/provider/package-info.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/provider/package-info.java
new file mode 100644
index 00000000..7bf1fbb7
--- /dev/null
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/provider/package-info.java
@@ -0,0 +1,20 @@
+/*
+ *  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.
+ */
+
+/**
+ * MyBatis 动态 SQL 实现（SQL Provider）。
+ */
+package com.mybatisflex.core.provider;
\ No newline at end of file
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/query/package-info.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/query/package-info.java
new file mode 100644
index 00000000..c876b5c2
--- /dev/null
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/query/package-info.java
@@ -0,0 +1,20 @@
+/*
+ *  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.
+ */
+
+/**
+ * SQL 条件构造功能。
+ */
+package com.mybatisflex.core.query;
\ No newline at end of file
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/row/package-info.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/row/package-info.java
new file mode 100644
index 00000000..d287e925
--- /dev/null
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/row/package-info.java
@@ -0,0 +1,20 @@
+/*
+ *  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.
+ */
+
+/**
+ * Db + Row 功能。
+ */
+package com.mybatisflex.core.row;
\ No newline at end of file
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/service/package-info.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/service/package-info.java
new file mode 100644
index 00000000..0d472a45
--- /dev/null
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/service/package-info.java
@@ -0,0 +1,20 @@
+/*
+ *  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.
+ */
+
+/**
+ * 通用增强 Service 接口。
+ */
+package com.mybatisflex.core.service;
\ No newline at end of file
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/table/package-info.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/table/package-info.java
new file mode 100644
index 00000000..95f878e3
--- /dev/null
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/table/package-info.java
@@ -0,0 +1,20 @@
+/*
+ *  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.
+ */
+
+/**
+ * 实体类（表）结构元数据解析。
+ */
+package com.mybatisflex.core.table;
\ No newline at end of file
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/tenant/package-info.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/tenant/package-info.java
new file mode 100644
index 00000000..977d0025
--- /dev/null
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/tenant/package-info.java
@@ -0,0 +1,20 @@
+/*
+ *  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.
+ */
+
+/**
+ * 多租户功能。
+ */
+package com.mybatisflex.core.tenant;
\ No newline at end of file
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/transaction/package-info.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/transaction/package-info.java
new file mode 100644
index 00000000..7ac7e797
--- /dev/null
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/transaction/package-info.java
@@ -0,0 +1,20 @@
+/*
+ *  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.
+ */
+
+/**
+ * 事务功能。
+ */
+package com.mybatisflex.core.transaction;
\ No newline at end of file
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/util/package-info.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/util/package-info.java
new file mode 100644
index 00000000..6be5bb1f
--- /dev/null
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/util/package-info.java
@@ -0,0 +1,20 @@
+/*
+ *  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.
+ */
+
+/**
+ * 工具类。
+ */
+package com.mybatisflex.core.util;
\ No newline at end of file