diff --git a/README.md b/README.md
index 6793d5e..a35b92e 100644
--- a/README.md
+++ b/README.md
@@ -1,10 +1,9 @@
 # mybatis-plus-join
 
 * 支持连表查询的 [mybatis-plus](https://gitee.com/baomidou/mybatis-plus)
-
 * [演示工程](https://gitee.com/best_handsome/mybatis-plus-join-demo)
-
 * 点个Star支持一下吧 :)
+* [一对一,一对多](https://gitee.com/best_handsome/mybatis-plus-join/blob/master/MAPPING.md)
 
 QQ群:1022221898
 
diff --git a/src/main/java/com/baomidou/mybatisplus/core/metadata/MPJTableInfoHelper.java b/src/main/java/com/baomidou/mybatisplus/core/metadata/MPJTableInfoHelper.java
index e555896..bfe3773 100644
--- a/src/main/java/com/baomidou/mybatisplus/core/metadata/MPJTableInfoHelper.java
+++ b/src/main/java/com/baomidou/mybatisplus/core/metadata/MPJTableInfoHelper.java
@@ -3,6 +3,9 @@ package com.baomidou.mybatisplus.core.metadata;
 import com.baomidou.mybatisplus.annotation.*;
 import com.baomidou.mybatisplus.core.config.GlobalConfig;
 import com.baomidou.mybatisplus.core.toolkit.*;
+import com.github.yulichang.annotation.EntityMapping;
+import com.github.yulichang.annotation.FieldMapping;
+import org.apache.ibatis.builder.MapperBuilderAssistant;
 import org.apache.ibatis.logging.Log;
 import org.apache.ibatis.logging.LogFactory;
 import org.apache.ibatis.mapping.ResultFlag;
@@ -30,15 +33,17 @@ import static java.util.stream.Collectors.toList;
  * @author yulichang
  * @see TableInfoHelper
  */
+@SuppressWarnings("deprecation")
 public class MPJTableInfoHelper {
 
+
     private static final Log logger = LogFactory.getLog(TableInfoHelper.class);
 
 
     /**
      * 储存反射类表信息
      */
-    private static final Map<Class<?>, TableInfo> TABLE_INFO_CACHE = new ConcurrentHashMap<>();
+    private static final Map<Class<?>, MPJTableInfo> TABLE_INFO_CACHE = new ConcurrentHashMap<>();
 
     /**
      * 默认表主键名称
@@ -54,13 +59,24 @@ public class MPJTableInfoHelper {
      * @param clazz 反射实体类
      * @return 数据库表反射信息
      */
-    public static TableInfo getTableInfo(Class<?> clazz) {
+    public static MPJTableInfo getTableInfo(Class<?> clazz) {
         if (clazz == null || ReflectionKit.isPrimitiveOrWrapper(clazz) || clazz == String.class || clazz.isInterface()) {
             return null;
         }
         return TABLE_INFO_CACHE.get(clazz);
     }
 
+    /**
+     * <p>
+     * 获取所有实体映射表信息
+     * </p>
+     *
+     * @return 数据库表反射信息集合
+     */
+    public static List<MPJTableInfo> getTableInfos() {
+        return Collections.unmodifiableList(new ArrayList<>(TABLE_INFO_CACHE.values()));
+    }
+
     /**
      * <p>
      * 实体类反射获取表信息【初始化】
@@ -69,13 +85,25 @@ public class MPJTableInfoHelper {
      * @param clazz 反射实体类
      * @return 数据库表反射信息
      */
-    public synchronized static TableInfo initTableInfo(Configuration configuration, String currentNamespace, Class<?> clazz) {
-        TableInfo info = TABLE_INFO_CACHE.get(clazz);
+    public synchronized static MPJTableInfo initTableInfo(Configuration configuration, String currentNamespace, Class<?> clazz, Class<?> mapperClass) {
+        MPJTableInfo info = TABLE_INFO_CACHE.get(clazz);
         if (info != null) {
             return info;
         }
         /* 没有获取到缓存信息,则初始化 */
-        TableInfo tableInfo = new TableInfo(clazz);
+        MPJTableInfo mpjTableInfo = new MPJTableInfo();
+        mpjTableInfo.setMapperClass(mapperClass);
+        TableInfo tableInfo = TableInfoHelper.getTableInfo(clazz);
+        if (tableInfo != null) {
+            mpjTableInfo.setTableInfo(tableInfo);
+            initMapping(mpjTableInfo);
+            /* 添加缓存 */
+            TABLE_INFO_CACHE.put(clazz, mpjTableInfo);
+            return mpjTableInfo;
+        }
+
+        tableInfo = new TableInfo(clazz);
+        mpjTableInfo.setTableInfo(tableInfo);
         tableInfo.setCurrentNamespace(currentNamespace);
         tableInfo.setConfiguration(configuration);
         GlobalConfig globalConfig = GlobalConfigUtils.getGlobalConfig(configuration);
@@ -86,19 +114,44 @@ public class MPJTableInfoHelper {
         List<String> excludePropertyList = excludeProperty != null && excludeProperty.length > 0 ? Arrays.asList(excludeProperty) : Collections.emptyList();
 
         /* 初始化字段相关 */
-        initTableFields(clazz, globalConfig, tableInfo, excludePropertyList);
+        initTableFields(clazz, globalConfig, mpjTableInfo, excludePropertyList);
 
         /* 自动构建 resultMap */
         initResultMapIfNeed(tableInfo);
 
         /* 添加缓存 */
-        TABLE_INFO_CACHE.put(clazz, tableInfo);
+        TABLE_INFO_CACHE.put(clazz, mpjTableInfo);
 
         /* 缓存 lambda */
         LambdaUtils.installCache(tableInfo);
-        return tableInfo;
+
+        /* 初始化映射关系 */
+        initMapping(mpjTableInfo);
+        return mpjTableInfo;
     }
 
+    /**
+     * <p>
+     * 实体类反射获取表信息【初始化】
+     * </p>
+     *
+     * @param clazz 反射实体类
+     */
+    public synchronized static void initTableInfo(Class<?> clazz, Class<?> mapperClass) {
+        MPJTableInfo info = TABLE_INFO_CACHE.get(clazz);
+        if (info != null) {
+            return;
+        }
+        MPJTableInfo mpjTableInfo = new MPJTableInfo();
+        mpjTableInfo.setMapperClass(mapperClass);
+        TableInfo tableInfo = TableInfoHelper.getTableInfo(clazz);
+        if (tableInfo == null) {
+            return;
+        }
+        mpjTableInfo.setTableInfo(tableInfo);
+        initMapping(mpjTableInfo);
+        TABLE_INFO_CACHE.put(clazz, mpjTableInfo);
+    }
 
     /**
      * 自动构建 resultMap 并注入(如果条件符合的话)
@@ -179,10 +232,6 @@ public class MPJTableInfoHelper {
 
         tableInfo.setTableName(targetTableName);
 
-        /* 开启了自定义 KEY 生成器 */
-//        if (CollectionUtils.isNotEmpty(dbConfig.getKeyGenerators())) {
-//            tableInfo.setKeySequence(clazz.getAnnotation(KeySequence.class));
-//        }
         return excludeProperty;
     }
 
@@ -216,12 +265,12 @@ public class MPJTableInfoHelper {
      *
      * @param clazz        实体类
      * @param globalConfig 全局配置
-     * @param tableInfo    数据库表反射信息
+     * @param mpjTableInfo 数据库表反射信息
      */
-    private static void initTableFields(Class<?> clazz, GlobalConfig globalConfig, TableInfo tableInfo, List<String> excludeProperty) {
+    private static void initTableFields(Class<?> clazz, GlobalConfig globalConfig, MPJTableInfo mpjTableInfo, List<String> excludeProperty) {
         /* 数据库全局配置 */
         GlobalConfig.DbConfig dbConfig = globalConfig.getDbConfig();
-        ReflectorFactory reflectorFactory = tableInfo.getConfiguration().getReflectorFactory();
+        ReflectorFactory reflectorFactory = mpjTableInfo.getTableInfo().getConfiguration().getReflectorFactory();
         Reflector reflector = reflectorFactory.findForClass(clazz);
         List<Field> list = getAllFields(clazz);
         // 标记是否读取到主键
@@ -244,31 +293,33 @@ public class MPJTableInfoHelper {
                     if (isReadPK) {
                         throw ExceptionUtils.mpe("@TableId can't more than one in Class: \"%s\".", clazz.getName());
                     } else {
-                        initTableIdWithAnnotation(dbConfig, tableInfo, field, tableId, reflector);
+                        initTableIdWithAnnotation(dbConfig, mpjTableInfo.getTableInfo(), field, tableId, reflector);
                         isReadPK = true;
                         continue;
                     }
                 }
             } else if (!isReadPK) {
-                isReadPK = initTableIdWithoutAnnotation(dbConfig, tableInfo, field, reflector);
+                isReadPK = initTableIdWithoutAnnotation(dbConfig, mpjTableInfo.getTableInfo(), field, reflector);
                 if (isReadPK) {
                     continue;
                 }
             }
+
             final TableField tableField = field.getAnnotation(TableField.class);
 
             /* 有 @TableField 注解的字段初始化 */
             if (tableField != null) {
-                fieldList.add(new TableFieldInfo(dbConfig, tableInfo, field, tableField, reflector, existTableLogic));
+                fieldList.add(new TableFieldInfo(dbConfig, mpjTableInfo.getTableInfo(), field, tableField, reflector, existTableLogic));
                 continue;
             }
 
             /* 无 @TableField  注解的字段初始化 */
-            fieldList.add(new TableFieldInfo(dbConfig, tableInfo, field, reflector, existTableLogic));
+            fieldList.add(new TableFieldInfo(dbConfig, mpjTableInfo.getTableInfo(), field, reflector, existTableLogic));
         }
 
         /* 字段列表 */
-        tableInfo.setFieldList(fieldList);
+        mpjTableInfo.getTableInfo().setFieldList(fieldList);
+
 
         /* 未发现主键注解，提示警告信息 */
         if (!isReadPK) {
@@ -300,6 +351,14 @@ public class MPJTableInfoHelper {
         return list.stream().anyMatch(field -> field.isAnnotationPresent(TableLogic.class));
     }
 
+    private static boolean isExistMapping(Class<?> clazz) {
+        return ReflectionKit.getFieldList(ClassUtils.getUserClass(clazz)).stream().anyMatch(field -> field.isAnnotationPresent(EntityMapping.class));
+    }
+
+    private static boolean isExistMappingField(Class<?> clazz) {
+        return ReflectionKit.getFieldList(ClassUtils.getUserClass(clazz)).stream().anyMatch(field -> field.isAnnotationPresent(FieldMapping.class));
+    }
+
     /**
      * <p>
      * 主键属性初始化
@@ -430,4 +489,36 @@ public class MPJTableInfoHelper {
                     return (tableField == null || tableField.exist());
                 }).collect(toList());
     }
+
+    /**
+     * 初始化映射相关
+     */
+    public static void initMapping(MPJTableInfo mpjTableInfo) {
+        // 是否存在 @EntityMapping 注解
+        boolean existMapping = isExistMapping(mpjTableInfo.getTableInfo().getEntityType());
+        mpjTableInfo.setHasMapping(existMapping);
+        // 是否存在 @FieldMapping 注解
+        boolean existMappingField = isExistMappingField(mpjTableInfo.getTableInfo().getEntityType());
+        mpjTableInfo.setHasMappingField(existMappingField);
+        mpjTableInfo.setHasMappingOrField(existMapping || existMappingField);
+        /* 关系映射初始化 */
+        List<MPJTableFieldInfo> mpjFieldList = new ArrayList<>();
+        List<Field> fields = ReflectionKit.getFieldList(ClassUtils.getUserClass(mpjTableInfo.getTableInfo().getEntityType()));
+        for (Field field : fields) {
+            if (existMapping) {
+                EntityMapping mapping = field.getAnnotation(EntityMapping.class);
+                if (mapping != null) {
+                    mpjFieldList.add(new MPJTableFieldInfo(mpjTableInfo.getTableInfo().getEntityType(), mapping, field));
+                }
+            }
+            if (existMappingField) {
+                FieldMapping mapping = field.getAnnotation(FieldMapping.class);
+                if (mapping != null) {
+                    mpjFieldList.add(new MPJTableFieldInfo(mpjTableInfo.getTableInfo().getEntityType(), mapping, field));
+                }
+            }
+        }
+        /* 映射字段列表 */
+        mpjTableInfo.setFieldList(mpjFieldList);
+    }
 }
diff --git a/src/main/java/com/github/yulichang/base/MPJBaseMapper.java b/src/main/java/com/github/yulichang/base/MPJBaseMapper.java
index d6e5c90..0d43424 100644
--- a/src/main/java/com/github/yulichang/base/MPJBaseMapper.java
+++ b/src/main/java/com/github/yulichang/base/MPJBaseMapper.java
@@ -1,76 +1,14 @@
 package com.github.yulichang.base;
 
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
-import com.baomidou.mybatisplus.core.metadata.IPage;
-import com.baomidou.mybatisplus.core.toolkit.Constants;
-import com.github.yulichang.interfaces.MPJBaseJoin;
-import com.github.yulichang.toolkit.Constant;
-import org.apache.ibatis.annotations.Param;
-
-import java.util.List;
-import java.util.Map;
+import com.github.yulichang.base.mapper.MPJDeepMapper;
+import com.github.yulichang.base.mapper.MPJJoinMapper;
 
 /**
  * @author yulichang
  * @see BaseMapper
  */
-public interface MPJBaseMapper<T> extends BaseMapper<T> {
+public interface MPJBaseMapper<T> extends MPJJoinMapper<T>, MPJDeepMapper<T> {
 
-    /**
-     * 根据 Wrapper 条件，查询总记录数
-     *
-     * @param wrapper joinWrapper
-     */
-    Integer selectJoinCount(@Param(Constants.WRAPPER) MPJBaseJoin wrapper);
 
-    /**
-     * 连表查询返回一条记录
-     *
-     * @param wrapper joinWrapper
-     * @param clazz   resultType
-     */
-    <DTO> DTO selectJoinOne(@Param(Constant.CLAZZ) Class<DTO> clazz,
-                            @Param(Constants.WRAPPER) MPJBaseJoin wrapper);
-
-    /**
-     * 连表查询返回Map
-     *
-     * @param wrapper joinWrapper
-     */
-    Map<String, Object> selectJoinMap(@Param(Constants.WRAPPER) MPJBaseJoin wrapper);
-
-    /**
-     * 连表查询返回记录集合
-     *
-     * @param wrapper joinWrapper
-     * @param clazz   resultType
-     */
-    <DTO> List<DTO> selectJoinList(@Param(Constant.CLAZZ) Class<DTO> clazz,
-                                   @Param(Constants.WRAPPER) MPJBaseJoin wrapper);
-
-    /**
-     * 连表查询返回Map集合
-     *
-     * @param wrapper joinWrapper
-     */
-    List<Map<String, Object>> selectJoinMaps(@Param(Constants.WRAPPER) MPJBaseJoin wrapper);
-
-    /**
-     * 连表查询返回记录集合并分页
-     *
-     * @param wrapper joinWrapper
-     * @param clazz   resultType
-     * @param <DTO>   分页返回对象
-     */
-    <DTO, P extends IPage<?>> IPage<DTO> selectJoinPage(P page,
-                                                        @Param(Constant.CLAZZ) Class<DTO> clazz,
-                                                        @Param(Constants.WRAPPER) MPJBaseJoin wrapper);
-
-    /**
-     * 连表查询返回Map集合并分页
-     *
-     * @param wrapper joinWrapper
-     */
-    <P extends IPage<?>> IPage<Map<String, Object>> selectJoinMapsPage(P page,
-                                                                       @Param(Constants.WRAPPER) MPJBaseJoin wrapper);
 }
diff --git a/src/main/java/com/github/yulichang/base/MPJBaseService.java b/src/main/java/com/github/yulichang/base/MPJBaseService.java
index 1d42595..77430d7 100644
--- a/src/main/java/com/github/yulichang/base/MPJBaseService.java
+++ b/src/main/java/com/github/yulichang/base/MPJBaseService.java
@@ -1,50 +1,15 @@
 package com.github.yulichang.base;
 
-import com.baomidou.mybatisplus.core.metadata.IPage;
-import com.baomidou.mybatisplus.extension.service.IService;
-import com.github.yulichang.interfaces.MPJBaseJoin;
-
-import java.util.List;
-import java.util.Map;
+import com.github.yulichang.base.service.MPJDeepService;
+import com.github.yulichang.base.service.MPJJoinService;
 
 /**
+ * 基础service
+ * 目前包含两个模块 连表查询 和 关系映射
+ *
  * @author yulichang
- * @see IService
+ * @see MPJJoinService
+ * @see MPJDeepService
  */
-public interface MPJBaseService<T> extends IService<T> {
-
-    /**
-     * 根据 Wrapper 条件，查询总记录数
-     */
-    Integer selectJoinCount(MPJBaseJoin wrapper);
-
-    /**
-     * 连接查询返回一条记录
-     */
-    <DTO> DTO selectJoinOne(Class<DTO> clazz, MPJBaseJoin wrapper);
-
-    /**
-     * 连接查询返回集合
-     */
-    <DTO> List<DTO> selectJoinList(Class<DTO> clazz, MPJBaseJoin wrapper);
-
-    /**
-     * 连接查询返回集合并分页
-     */
-    <DTO, P extends IPage<?>> IPage<DTO> selectJoinListPage(P page, Class<DTO> clazz, MPJBaseJoin wrapper);
-
-    /**
-     * 连接查询返回Map
-     */
-    Map<String, Object> selectJoinMap(MPJBaseJoin wrapper);
-
-    /**
-     * 连接查询返回Map集合
-     */
-    List<Map<String, Object>> selectJoinMaps(MPJBaseJoin wrapper);
-
-    /**
-     * 连接查询返回Map集合并分页
-     */
-    <P extends IPage<Map<String, Object>>> IPage<Map<String, Object>> selectJoinMapsPage(P page, MPJBaseJoin wrapper);
+public interface MPJBaseService<T> extends MPJJoinService<T>, MPJDeepService<T> {
 }
diff --git a/src/main/java/com/github/yulichang/base/MPJBaseServiceImpl.java b/src/main/java/com/github/yulichang/base/MPJBaseServiceImpl.java
index b0c0e00..f6b01f1 100644
--- a/src/main/java/com/github/yulichang/base/MPJBaseServiceImpl.java
+++ b/src/main/java/com/github/yulichang/base/MPJBaseServiceImpl.java
@@ -1,76 +1,16 @@
 package com.github.yulichang.base;
 
-import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
-import com.github.yulichang.interfaces.MPJBaseJoin;
-import com.github.yulichang.toolkit.ReflectionKit;
-
-import java.util.List;
-import java.util.Map;
 
 /**
  * @author yulichang
  * @see ServiceImpl
  */
-@SuppressWarnings("unchecked")
+@SuppressWarnings("unused")
 public class MPJBaseServiceImpl<M extends MPJBaseMapper<T>, T> extends ServiceImpl<M, T> implements MPJBaseService<T> {
 
-    /**
-     * mybatis plus 3.4.3 bug
-     * <p>
-     * https://gitee.com/baomidou/mybatis-plus/issues/I3SE8R
-     * <p>
-     * https://gitee.com/baomidou/mybatis-plus/commit/7210b461b23211e6b95ca6de2d846aa392bdc28c
-     */
     @Override
-    protected Class<T> currentMapperClass() {
-        return (Class<T>) ReflectionKit.getSuperClassGenericType(this.getClass(), ServiceImpl.class, 0);
-    }
-
-    /**
-     * mybatis plus 3.4.3 bug
-     * <p>
-     * https://gitee.com/baomidou/mybatis-plus/issues/I3SE8R
-     * <p>
-     * https://gitee.com/baomidou/mybatis-plus/commit/7210b461b23211e6b95ca6de2d846aa392bdc28c
-     */
-    @Override
-    protected Class<T> currentModelClass() {
-        return (Class<T>) ReflectionKit.getSuperClassGenericType(this.getClass(), ServiceImpl.class, 1);
-    }
-
-    @Override
-    public Integer selectJoinCount(MPJBaseJoin wrapper) {
-        return baseMapper.selectJoinCount(wrapper);
-    }
-
-    @Override
-    public <DTO> DTO selectJoinOne(Class<DTO> clazz, MPJBaseJoin wrapper) {
-        return baseMapper.selectJoinOne(clazz, wrapper);
-    }
-
-    @Override
-    public <DTO> List<DTO> selectJoinList(Class<DTO> clazz, MPJBaseJoin wrapper) {
-        return baseMapper.selectJoinList(clazz, wrapper);
-    }
-
-    @Override
-    public <DTO, P extends IPage<?>> IPage<DTO> selectJoinListPage(P page, Class<DTO> clazz, MPJBaseJoin wrapper) {
-        return baseMapper.selectJoinPage(page, clazz, wrapper);
-    }
-
-    @Override
-    public Map<String, Object> selectJoinMap(MPJBaseJoin wrapper) {
-        return baseMapper.selectJoinMap(wrapper);
-    }
-
-    @Override
-    public List<Map<String, Object>> selectJoinMaps(MPJBaseJoin wrapper) {
-        return baseMapper.selectJoinMaps(wrapper);
-    }
-
-    @Override
-    public <P extends IPage<Map<String, Object>>> IPage<Map<String, Object>> selectJoinMapsPage(P page, MPJBaseJoin wrapper) {
-        return baseMapper.selectJoinMapsPage(page, wrapper);
+    public Class<T> currentModelClass() {
+        return super.currentModelClass();
     }
 }
diff --git a/src/main/java/com/github/yulichang/config/InterceptorConfig.java b/src/main/java/com/github/yulichang/config/InterceptorConfig.java
index 8e864f0..deac6f0 100644
--- a/src/main/java/com/github/yulichang/config/InterceptorConfig.java
+++ b/src/main/java/com/github/yulichang/config/InterceptorConfig.java
@@ -3,6 +3,8 @@ package com.github.yulichang.config;
 import com.baomidou.mybatisplus.core.toolkit.CollectionUtils;
 import com.github.yulichang.exception.MPJException;
 import com.github.yulichang.interceptor.MPJInterceptor;
+import org.apache.ibatis.logging.Log;
+import org.apache.ibatis.logging.LogFactory;
 import org.apache.ibatis.plugin.Interceptor;
 import org.apache.ibatis.plugin.InterceptorChain;
 import org.apache.ibatis.session.Configuration;
@@ -23,7 +25,9 @@ import java.util.List;
 @SuppressWarnings("SpringJavaAutowiredMembersInspection")
 public class InterceptorConfig implements ApplicationListener<ApplicationReadyEvent> {
 
-    @Autowired
+    private static final Log logger = LogFactory.getLog(InterceptorConfig.class);
+
+    @Autowired(required = false)
     private List<SqlSessionFactory> sqlSessionFactoryList;
     @Autowired
     private MPJInterceptor mpjInterceptor;
@@ -48,6 +52,8 @@ public class InterceptorConfig implements ApplicationListener<ApplicationReadyEv
             } catch (Exception ignored) {
                 throw new MPJException("mpjInterceptor exception");
             }
+        } else {
+            logger.warn("MPJ not define SqlSessionFactory");
         }
     }
 }
diff --git a/src/main/java/com/github/yulichang/injector/MPJSqlInjector.java b/src/main/java/com/github/yulichang/injector/MPJSqlInjector.java
index b3b6522..c928ea2 100644
--- a/src/main/java/com/github/yulichang/injector/MPJSqlInjector.java
+++ b/src/main/java/com/github/yulichang/injector/MPJSqlInjector.java
@@ -2,20 +2,21 @@ package com.github.yulichang.injector;
 
 import com.baomidou.mybatisplus.core.injector.AbstractMethod;
 import com.baomidou.mybatisplus.core.injector.DefaultSqlInjector;
+import com.baomidou.mybatisplus.core.injector.methods.*;
 import com.baomidou.mybatisplus.core.mapper.Mapper;
+import com.baomidou.mybatisplus.core.metadata.MPJTableMapperHelper;
 import com.baomidou.mybatisplus.core.metadata.TableInfo;
-import com.baomidou.mybatisplus.core.metadata.TableInfoHelper;
-import com.baomidou.mybatisplus.core.toolkit.CollectionUtils;
-import com.baomidou.mybatisplus.core.toolkit.GlobalConfigUtils;
+import com.baomidou.mybatisplus.core.toolkit.ClassUtils;
 import com.github.yulichang.method.*;
-import com.github.yulichang.toolkit.ReflectionKit;
 import org.apache.ibatis.builder.MapperBuilderAssistant;
-import org.apache.ibatis.logging.Log;
-import org.apache.ibatis.logging.LogFactory;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
+import org.springframework.core.GenericTypeResolver;
 
+import java.util.ArrayList;
 import java.util.List;
-import java.util.Set;
+import java.util.stream.Stream;
+
+import static java.util.stream.Collectors.toList;
 
 /**
  * SQL 注入器
@@ -25,11 +26,47 @@ import java.util.Set;
  */
 @ConditionalOnMissingBean(DefaultSqlInjector.class)
 public class MPJSqlInjector extends DefaultSqlInjector {
-    private static final Log logger = LogFactory.getLog(MPJSqlInjector.class);
 
-    @Override
+    /**
+     * 升级到 mybatis plus 3.4.3.2 后对之前的版本兼容
+     */
+    @SuppressWarnings({"unused", "deprecation"})
     public List<AbstractMethod> getMethodList(Class<?> mapperClass) {
-        List<AbstractMethod> list = super.getMethodList(mapperClass);
+        List<AbstractMethod> list = Stream.of(
+                new Insert(),
+                new Delete(),
+                new DeleteByMap(),
+                new DeleteById(),
+                new DeleteBatchByIds(),
+                new Update(),
+                new UpdateById(),
+                new SelectById(),
+                new SelectBatchByIds(),
+                new SelectByMap(),
+                new SelectOne(),
+                new SelectCount(),
+                new SelectMaps(),
+                new SelectMapsPage(),
+                new SelectObjs(),
+                new SelectList(),
+                new SelectPage()
+        ).collect(toList());
+        list.addAll(getJoinMethod());
+        return list;
+    }
+
+    /**
+     * mybatis plus 3.4.3.2
+     */
+    @Override
+    public List<AbstractMethod> getMethodList(Class<?> mapperClass, TableInfo tableInfo) {
+        List<AbstractMethod> list = super.getMethodList(mapperClass, tableInfo);
+        list.addAll(getJoinMethod());
+        return list;
+    }
+
+    private List<AbstractMethod> getJoinMethod() {
+        List<AbstractMethod> list = new ArrayList<>();
         list.add(new SelectJoinCount());
         list.add(new SelectJoinOne());
         list.add(new SelectJoinList());
@@ -40,30 +77,15 @@ public class MPJSqlInjector extends DefaultSqlInjector {
         return list;
     }
 
-    /**
-     * mybatis plus 3.4.3 bug
-     * <p>
-     * https://gitee.com/baomidou/mybatis-plus/issues/I3SE8R
-     * <p>
-     * https://gitee.com/baomidou/mybatis-plus/commit/7210b461b23211e6b95ca6de2d846aa392bdc28c
-     */
     @Override
     public void inspectInject(MapperBuilderAssistant builderAssistant, Class<?> mapperClass) {
-        Class<?> modelClass = ReflectionKit.getSuperClassGenericType(mapperClass, Mapper.class, 0);
-        if (modelClass != null) {
-            String className = mapperClass.toString();
-            Set<String> mapperRegistryCache = GlobalConfigUtils.getMapperRegistryCache(builderAssistant.getConfiguration());
-            if (!mapperRegistryCache.contains(className)) {
-                List<AbstractMethod> methodList = this.getMethodList(mapperClass);
-                if (CollectionUtils.isNotEmpty(methodList)) {
-                    TableInfo tableInfo = TableInfoHelper.initTableInfo(builderAssistant, modelClass);
-                    // 循环注入自定义方法
-                    methodList.forEach(m -> m.inject(builderAssistant, mapperClass, modelClass, tableInfo));
-                } else {
-                    logger.debug(mapperClass + ", No effective injection method was found.");
-                }
-                mapperRegistryCache.add(className);
-            }
-        }
+        Class<?> modelClass = getSuperClassGenericType(mapperClass, Mapper.class, 0);
+        super.inspectInject(builderAssistant, mapperClass);
+        MPJTableMapperHelper.init(modelClass, mapperClass);
+    }
+
+    public static Class<?> getSuperClassGenericType(final Class<?> clazz, final Class<?> genericIfc, final int index) {
+        Class<?>[] typeArguments = GenericTypeResolver.resolveTypeArguments(ClassUtils.getUserClass(clazz), genericIfc);
+        return null == typeArguments ? null : typeArguments[index];
     }
 }
diff --git a/src/main/java/com/github/yulichang/interceptor/MPJInterceptor.java b/src/main/java/com/github/yulichang/interceptor/MPJInterceptor.java
index 3f961a3..1be1daf 100644
--- a/src/main/java/com/github/yulichang/interceptor/MPJInterceptor.java
+++ b/src/main/java/com/github/yulichang/interceptor/MPJInterceptor.java
@@ -1,5 +1,6 @@
 package com.github.yulichang.interceptor;
 
+import com.baomidou.mybatisplus.core.metadata.MPJTableInfo;
 import com.baomidou.mybatisplus.core.metadata.MPJTableInfoHelper;
 import com.baomidou.mybatisplus.core.metadata.TableInfo;
 import com.baomidou.mybatisplus.core.metadata.TableInfoHelper;
@@ -116,13 +117,13 @@ public class MPJInterceptor implements Interceptor {
         if (tableInfo != null && tableInfo.isAutoInitResultMap() && tableInfo.getEntityType() == resultType) {
             return ms.getConfiguration().getResultMap(tableInfo.getResultMap());
         }
-        TableInfo infoDTO = MPJTableInfoHelper.getTableInfo(resultType);
+        MPJTableInfo infoDTO = MPJTableInfoHelper.getTableInfo(resultType);
         if (infoDTO == null) {
             infoDTO = MPJTableInfoHelper.initTableInfo(ms.getConfiguration(),
-                    ms.getId().substring(0, ms.getId().lastIndexOf(".")), resultType);
+                    ms.getId().substring(0, ms.getId().lastIndexOf(".")), resultType, null);
         }
-        if (infoDTO.isAutoInitResultMap()) {
-            return ms.getConfiguration().getResultMap(infoDTO.getResultMap());
+        if (infoDTO.getTableInfo().isAutoInitResultMap()) {
+            return ms.getConfiguration().getResultMap(infoDTO.getTableInfo().getResultMap());
         }
         return new ResultMap.Builder(ms.getConfiguration(), ms.getId(), resultType, EMPTY_RESULT_MAPPING).build();
     }
diff --git a/src/main/java/com/github/yulichang/query/MPJLambdaQueryWrapper.java b/src/main/java/com/github/yulichang/query/MPJLambdaQueryWrapper.java
index 6b7e8bc..ad949f6 100644
--- a/src/main/java/com/github/yulichang/query/MPJLambdaQueryWrapper.java
+++ b/src/main/java/com/github/yulichang/query/MPJLambdaQueryWrapper.java
@@ -50,7 +50,7 @@ public class MPJLambdaQueryWrapper<T> extends AbstractLambdaWrapper<T, MPJLambda
     /**
      * 主表别名
      */
-    private final SharedString alias = new SharedString(Constant.TABLE_ALIAS);
+    private String alias = Constant.TABLE_ALIAS;
 
     /**
      * 查询的列
@@ -90,6 +90,14 @@ public class MPJLambdaQueryWrapper<T> extends AbstractLambdaWrapper<T, MPJLambda
         this.ignoreColumns = ignoreColumns;
     }
 
+    /**
+     * 设置表别名(默认为 t 可以调用此方法修改,调用后才生效，所以最好第一个调用)
+     */
+    public final MPJLambdaQueryWrapper<T> alias(String tableAlias) {
+        this.alias = tableAlias;
+        return typedThis;
+    }
+
     /**
      * SELECT 部分 SQL 设置
      *
@@ -130,7 +138,7 @@ public class MPJLambdaQueryWrapper<T> extends AbstractLambdaWrapper<T, MPJLambda
     public final MPJLambdaQueryWrapper<T> selectIgnore(SFunction<T, ?>... columns) {
         if (ArrayUtils.isNotEmpty(columns)) {
             for (SFunction<T, ?> s : columns) {
-                ignoreColumns.add(Constant.TABLE_ALIAS + StringPool.DOT + getColumnCache(s).getColumn());
+                ignoreColumns.add(this.alias + StringPool.DOT + super.columnToString(s, false));
             }
         }
         return typedThis;
@@ -138,7 +146,7 @@ public class MPJLambdaQueryWrapper<T> extends AbstractLambdaWrapper<T, MPJLambda
 
     @Override
     protected String columnToString(SFunction<T, ?> column, boolean onlyColumn) {
-        return Constant.TABLE_ALIAS + StringPool.DOT + super.columnToString(column, onlyColumn);
+        return this.alias + StringPool.DOT + super.columnToString(column, onlyColumn);
     }
 
     public MPJLambdaQueryWrapper<T> select(String... columns) {
@@ -166,7 +174,7 @@ public class MPJLambdaQueryWrapper<T> extends AbstractLambdaWrapper<T, MPJLambda
         TableInfo info = TableInfoHelper.getTableInfo(entityClass);
         Assert.notNull(info, "can not find table info");
         selectColumns.addAll(info.getFieldList().stream().filter(predicate).map(c ->
-                Constant.TABLE_ALIAS + StringPool.DOT + c.getColumn()).collect(Collectors.toList()));
+                this.alias + StringPool.DOT + c.getColumn()).collect(Collectors.toList()));
         return typedThis;
     }
 
@@ -177,7 +185,7 @@ public class MPJLambdaQueryWrapper<T> extends AbstractLambdaWrapper<T, MPJLambda
      * @param clazz 主表class
      */
     public final MPJLambdaQueryWrapper<T> selectAll(Class<T> clazz) {
-        return selectAll(clazz, Constant.TABLE_ALIAS);
+        return selectAll(clazz, this.alias);
     }
 
     /**
@@ -186,13 +194,14 @@ public class MPJLambdaQueryWrapper<T> extends AbstractLambdaWrapper<T, MPJLambda
      * @param clazz 表实体
      * @param as    表别名
      */
+    @SuppressWarnings("DuplicatedCode")
     public final MPJLambdaQueryWrapper<T> selectAll(Class<?> clazz, String as) {
         TableInfo info = TableInfoHelper.getTableInfo(clazz);
         Assert.notNull(info, "can not find table info");
         if (info.havePK()) {
             selectColumns.add(as + StringPool.DOT + info.getKeyColumn());
         }
-        selectColumns.addAll(info.getFieldList().stream().map(i ->
+        selectColumns.addAll(info.getFieldList().stream().filter(TableFieldInfo::isSelect).map(i ->
                 as + StringPool.DOT + i.getColumn()).collect(Collectors.toList()));
         return typedThis;
     }
@@ -220,9 +229,12 @@ public class MPJLambdaQueryWrapper<T> extends AbstractLambdaWrapper<T, MPJLambda
         return from.getStringValue();
     }
 
+    public boolean getAutoAlias() {
+        return false;
+    }
 
     public String getAlias() {
-        return alias.getStringValue();
+        return alias;
     }
 
     /**
diff --git a/src/main/java/com/github/yulichang/query/MPJQueryWrapper.java b/src/main/java/com/github/yulichang/query/MPJQueryWrapper.java
index 23228e3..07b7ebc 100644
--- a/src/main/java/com/github/yulichang/query/MPJQueryWrapper.java
+++ b/src/main/java/com/github/yulichang/query/MPJQueryWrapper.java
@@ -47,7 +47,7 @@ public class MPJQueryWrapper<T> extends AbstractWrapper<T, String, MPJQueryWrapp
     /**
      * 主表别名
      */
-    private final SharedString alias = new SharedString(Constant.TABLE_ALIAS);
+    private String alias = Constant.TABLE_ALIAS;
 
     /**
      * 查询的列
@@ -88,6 +88,14 @@ public class MPJQueryWrapper<T> extends AbstractWrapper<T, String, MPJQueryWrapp
         this.ignoreColumns = ignoreColumns;
     }
 
+    /**
+     * 设置表别名(默认为 t 可以调用此方法修改,调用后才生效，所以最好第一个调用)
+     */
+    public final MPJQueryWrapper<T> alias(String tableAlias) {
+        this.alias = tableAlias;
+        return typedThis;
+    }
+
     @Override
     public MPJQueryWrapper<T> select(String... columns) {
         if (ArrayUtils.isNotEmpty(columns)) {
@@ -122,7 +130,7 @@ public class MPJQueryWrapper<T> extends AbstractWrapper<T, String, MPJQueryWrapp
         TableInfo info = TableInfoHelper.getTableInfo(entityClass);
         Assert.notNull(info, "can not find table info");
         selectColumns.addAll(info.getFieldList().stream().filter(predicate).map(c ->
-                Constant.TABLE_ALIAS + StringPool.DOT + c.getColumn()).collect(Collectors.toList()));
+                this.alias + StringPool.DOT + c.getColumn()).collect(Collectors.toList()));
         return typedThis;
     }
 
@@ -133,7 +141,7 @@ public class MPJQueryWrapper<T> extends AbstractWrapper<T, String, MPJQueryWrapp
      * @param clazz 主表class
      */
     public final MPJQueryWrapper<T> selectAll(Class<T> clazz) {
-        selectAll(clazz, Constant.TABLE_ALIAS);
+        selectAll(clazz, this.alias);
         return typedThis;
     }
 
@@ -149,7 +157,7 @@ public class MPJQueryWrapper<T> extends AbstractWrapper<T, String, MPJQueryWrapp
         if (info.havePK()) {
             selectColumns.add(as + StringPool.DOT + info.getKeyColumn());
         }
-        selectColumns.addAll(info.getFieldList().stream().map(i ->
+        selectColumns.addAll(info.getFieldList().stream().filter(TableFieldInfo::isSelect).map(i ->
                 as + StringPool.DOT + i.getColumn()).collect(Collectors.toList()));
         return typedThis;
     }
@@ -170,13 +178,18 @@ public class MPJQueryWrapper<T> extends AbstractWrapper<T, String, MPJQueryWrapp
         return from.getStringValue();
     }
 
+    public boolean getAutoAlias() {
+        return false;
+    }
+
     public String getAlias() {
-        return alias.getStringValue();
+        return alias;
     }
 
     /**
      * 返回一个支持 lambda 函数写法的 wrapper
      */
+    @SuppressWarnings("deprecation")
     public MPJLambdaQueryWrapper<T> lambda() {
         return new MPJLambdaQueryWrapper<>(getEntity(), getEntityClass(), from, sqlSelect, paramNameSeq, paramNameValuePairs,
                 expression, lastSql, sqlComment, sqlFirst, selectColumns, ignoreColumns);
diff --git a/src/main/java/com/github/yulichang/query/interfaces/MPJJoin.java b/src/main/java/com/github/yulichang/query/interfaces/MPJJoin.java
index 6c101cd..3a6c1e2 100644
--- a/src/main/java/com/github/yulichang/query/interfaces/MPJJoin.java
+++ b/src/main/java/com/github/yulichang/query/interfaces/MPJJoin.java
@@ -6,6 +6,7 @@ import com.github.yulichang.toolkit.Constant;
 /**
  * @author yulichang
  */
+@SuppressWarnings("unused")
 public interface MPJJoin<Children> extends MPJBaseJoin {
 
     default Children leftJoin(String joinSql) {
diff --git a/src/main/java/com/github/yulichang/toolkit/LambdaUtils.java b/src/main/java/com/github/yulichang/toolkit/LambdaUtils.java
index 84332c2..7efc9a1 100644
--- a/src/main/java/com/github/yulichang/toolkit/LambdaUtils.java
+++ b/src/main/java/com/github/yulichang/toolkit/LambdaUtils.java
@@ -84,6 +84,7 @@ public final class LambdaUtils {
      *
      * @param tableInfo 表信息
      */
+    @SuppressWarnings("unused")
     public static void installCache(TableInfo tableInfo) {
         COLUMN_CACHE_MAP.put(tableInfo.getEntityType().getName(), createColumnCacheMap(tableInfo));
     }
diff --git a/src/main/java/com/github/yulichang/toolkit/ReflectionKit.java b/src/main/java/com/github/yulichang/toolkit/ReflectionKit.java
index f08daf4..ff371e9 100644
--- a/src/main/java/com/github/yulichang/toolkit/ReflectionKit.java
+++ b/src/main/java/com/github/yulichang/toolkit/ReflectionKit.java
@@ -39,6 +39,7 @@ import static java.util.stream.Collectors.toMap;
  * @author hcl
  * @since 2016-09-22
  */
+@SuppressWarnings("unused")
 public final class ReflectionKit {
     private static final Log logger = LogFactory.getLog(ReflectionKit.class);
     /**
@@ -181,16 +182,4 @@ public final class ReflectionKit {
     public static Class<?> resolvePrimitiveIfNecessary(Class<?> clazz) {
         return (clazz.isPrimitive() && clazz != void.class ? PRIMITIVE_TYPE_TO_WRAPPER_MAP.get(clazz) : clazz);
     }
-
-    /**
-     * 设置可访问对象的可访问权限为 true
-     *
-     * @param object 可访问的对象
-     * @param <T>    类型
-     * @return 返回设置后的对象
-     */
-    public static <T extends AccessibleObject> T setAccessible(T object) {
-        return AccessController.doPrivileged(new SetAccessibleAction<>(object));
-    }
-
 }
diff --git a/src/main/java/com/github/yulichang/toolkit/Wrappers.java b/src/main/java/com/github/yulichang/toolkit/Wrappers.java
index 9db4abc..fd9892a 100644
--- a/src/main/java/com/github/yulichang/toolkit/Wrappers.java
+++ b/src/main/java/com/github/yulichang/toolkit/Wrappers.java
@@ -8,6 +8,7 @@ import com.github.yulichang.wrapper.MPJLambdaWrapper;
  *
  * @author yulichang
  */
+@SuppressWarnings("unused")
 public class Wrappers {
 
     /**
diff --git a/src/main/java/com/github/yulichang/toolkit/support/SerializedLambda.java b/src/main/java/com/github/yulichang/toolkit/support/SerializedLambda.java
index 98c9c5d..c1d5195 100644
--- a/src/main/java/com/github/yulichang/toolkit/support/SerializedLambda.java
+++ b/src/main/java/com/github/yulichang/toolkit/support/SerializedLambda.java
@@ -8,7 +8,7 @@ import com.baomidou.mybatisplus.core.toolkit.support.SFunction;
 import java.io.*;
 
 /**
- * copy mp before 3.4.3 {@link com.baomidou.mybatisplus.core.toolkit.support.SerializedLambda}
+ * copy mp before 3.4.3
  */
 @SuppressWarnings("unused")
 public class SerializedLambda implements Serializable {
diff --git a/src/main/java/com/github/yulichang/wrapper/interfaces/Compare.java b/src/main/java/com/github/yulichang/wrapper/interfaces/Compare.java
index 0e9da66..1d3b191 100644
--- a/src/main/java/com/github/yulichang/wrapper/interfaces/Compare.java
+++ b/src/main/java/com/github/yulichang/wrapper/interfaces/Compare.java
@@ -11,6 +11,7 @@ import java.util.function.BiPredicate;
  * <p>
  * {@link com.baomidou.mybatisplus.core.conditions.interfaces.Compare}
  */
+@SuppressWarnings("unused")
 public interface Compare<Children> extends Serializable {
 
     /**
@@ -65,6 +66,7 @@ public interface Compare<Children> extends Serializable {
     /**
      * ignore
      */
+    @SuppressWarnings("UnusedReturnValue")
     default <R> Children eq(SFunction<R, ?> column, Object val) {
         return eq(true, column, val);
     }
diff --git a/src/main/java/com/github/yulichang/wrapper/interfaces/Func.java b/src/main/java/com/github/yulichang/wrapper/interfaces/Func.java
index a3a29b1..93fbb71 100644
--- a/src/main/java/com/github/yulichang/wrapper/interfaces/Func.java
+++ b/src/main/java/com/github/yulichang/wrapper/interfaces/Func.java
@@ -11,12 +11,13 @@ import java.util.function.Consumer;
  * <p>
  * copy {@link com.baomidou.mybatisplus.core.conditions.interfaces.Func}
  */
-@SuppressWarnings("unchecked")
+@SuppressWarnings({"unchecked", "unused"})
 public interface Func<Children> extends Serializable {
 
     /**
      * ignore
      */
+    @SuppressWarnings("UnusedReturnValue")
     default <R> Children isNull(SFunction<R, ?> column) {
         return isNull(true, column);
     }
diff --git a/src/main/java/com/github/yulichang/wrapper/interfaces/Join.java b/src/main/java/com/github/yulichang/wrapper/interfaces/Join.java
index b45fee0..b77bbe0 100644
--- a/src/main/java/com/github/yulichang/wrapper/interfaces/Join.java
+++ b/src/main/java/com/github/yulichang/wrapper/interfaces/Join.java
@@ -8,6 +8,7 @@ import java.io.Serializable;
  * 无改动 在mybatis 3.4.2 升级 3.4.3 后有改动 exists 和 not exists
  * 为了保证 mybatis plus 3.4.3之前的也能正常使用
  */
+@SuppressWarnings("unused")
 public interface Join<Children> extends Serializable {
 
     /**
diff --git a/src/main/java/com/github/yulichang/wrapper/interfaces/LambdaJoin.java b/src/main/java/com/github/yulichang/wrapper/interfaces/LambdaJoin.java
index 2b278c7..ddb4d81 100644
--- a/src/main/java/com/github/yulichang/wrapper/interfaces/LambdaJoin.java
+++ b/src/main/java/com/github/yulichang/wrapper/interfaces/LambdaJoin.java
@@ -8,55 +8,120 @@ import com.github.yulichang.wrapper.interfaces.on.OnFunction;
 /**
  * @author yulichang
  */
+@SuppressWarnings("unused")
 public interface LambdaJoin<Children> extends MPJBaseJoin {
 
+    /**
+     * left join
+     *
+     * @param clazz 关联的实体类
+     * @param left  条件
+     * @param right 条件
+     */
     default <T, X> Children leftJoin(Class<T> clazz, SFunction<T, ?> left, SFunction<X, ?> right) {
         return leftJoin(true, clazz, left, right);
     }
 
+    /**
+     * left join
+     * <p>
+     * 例 leftJoin(UserDO.class, on -> on.eq(UserDO::getId,UserAddressDO::getUserId).le().gt()...)
+     *
+     * @param clazz    关联的实体类
+     * @param function 条件
+     */
     default <T> Children leftJoin(Class<T> clazz, OnFunction function) {
         return leftJoin(true, clazz, function);
     }
 
+    /**
+     * left join
+     *
+     * @param condition 是否执行
+     * @param clazz     关联的实体类
+     * @param left      条件
+     * @param right     条件
+     */
     default <T, X> Children leftJoin(boolean condition, Class<T> clazz, SFunction<T, ?> left, SFunction<X, ?> right) {
         return leftJoin(condition, clazz, on -> on.eq(left, right));
     }
 
+    /**
+     * left join
+     * <p>
+     * 例 leftJoin(UserDO.class, on -> on.eq(UserDO::getId,UserAddressDO::getUserId).le().gt()...)
+     *
+     * @param condition 是否执行
+     * @param clazz     关联实体类
+     * @param function  条件
+     */
     default <T> Children leftJoin(boolean condition, Class<T> clazz, OnFunction function) {
         return join(Constant.LEFT_JOIN, condition, clazz, function);
     }
 
+    /**
+     * ignore 参考 left join
+     */
     default <T, X> Children rightJoin(Class<T> clazz, SFunction<T, ?> left, SFunction<X, ?> right) {
         return rightJoin(true, clazz, left, right);
     }
 
+    /**
+     * ignore 参考 left join
+     */
     default <T> Children rightJoin(Class<T> clazz, OnFunction function) {
         return rightJoin(true, clazz, function);
     }
 
+    /**
+     * ignore 参考 left join
+     */
     default <T, X> Children rightJoin(boolean condition, Class<T> clazz, SFunction<T, ?> left, SFunction<X, ?> right) {
         return rightJoin(condition, clazz, on -> on.eq(left, right));
     }
 
+    /**
+     * ignore 参考 left join
+     */
     default <T> Children rightJoin(boolean condition, Class<T> clazz, OnFunction function) {
         return join(Constant.RIGHT_JOIN, condition, clazz, function);
     }
 
+    /**
+     * ignore 参考 left join
+     */
     default <T, X> Children innerJoin(Class<T> clazz, SFunction<T, ?> left, SFunction<X, ?> right) {
         return innerJoin(true, clazz, left, right);
     }
 
+    /**
+     * ignore 参考 left join
+     */
     default <T> Children innerJoin(Class<T> clazz, OnFunction function) {
         return innerJoin(true, clazz, function);
     }
 
+    /**
+     * ignore 参考 left join
+     */
     default <T, X> Children innerJoin(boolean condition, Class<T> clazz, SFunction<T, ?> left, SFunction<X, ?> right) {
         return innerJoin(condition, clazz, on -> on.eq(left, right));
     }
 
+    /**
+     * ignore 参考 left join
+     */
     default <T> Children innerJoin(boolean condition, Class<T> clazz, OnFunction function) {
         return join(Constant.INNER_JOIN, condition, clazz, function);
     }
 
+    /**
+     * 查询基类 可以直接调用此方法实现以上所有功能
+     *
+     * @param keyWord   连表关键字
+     * @param condition 是否执行
+     * @param clazz     连表实体类
+     * @param function  关联条件
+     */
     <T> Children join(String keyWord, boolean condition, Class<T> clazz, OnFunction function);
 }
diff --git a/src/main/java/com/github/yulichang/wrapper/interfaces/on/OnCompare.java b/src/main/java/com/github/yulichang/wrapper/interfaces/on/OnCompare.java
index 8048a79..00d6166 100644
--- a/src/main/java/com/github/yulichang/wrapper/interfaces/on/OnCompare.java
+++ b/src/main/java/com/github/yulichang/wrapper/interfaces/on/OnCompare.java
@@ -12,6 +12,7 @@ import java.io.Serializable;
  *
  * @since 1.1.8
  */
+@SuppressWarnings("unused")
 public interface OnCompare<Children> extends Serializable {
     /**
      * ignore
diff --git a/src/main/resources/META-INF/spring.factories b/src/main/resources/META-INF/spring.factories
index 37270fe..327caa0 100644
--- a/src/main/resources/META-INF/spring.factories
+++ b/src/main/resources/META-INF/spring.factories
@@ -1,4 +1,6 @@
 org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
   com.github.yulichang.interceptor.MPJInterceptor,\
   com.github.yulichang.injector.MPJSqlInjector,\
-  com.github.yulichang.config.InterceptorConfig
+  com.github.yulichang.config.InterceptorConfig,\
+  com.github.yulichang.config.MappingConfig,\
+  com.github.yulichang.toolkit.SpringContentUtils