diff --git a/src/main/java/com/baomidou/mybatisplus/core/metadata/MPJTableFieldInfo.java b/src/main/java/com/baomidou/mybatisplus/core/metadata/MPJTableFieldInfo.java
index 7b8e1f0..8d87637 100644
--- a/src/main/java/com/baomidou/mybatisplus/core/metadata/MPJTableFieldInfo.java
+++ b/src/main/java/com/baomidou/mybatisplus/core/metadata/MPJTableFieldInfo.java
@@ -17,7 +17,6 @@ import java.util.Arrays;
 import java.util.Collection;
 import java.util.List;
 import java.util.Map;
-import java.util.stream.Collectors;
 
 /**
  * 字段属性
@@ -162,9 +161,14 @@ public class MPJTableFieldInfo {
     }
 
     private void initBindField(String bindName) {
-        Field field = TableInfoHelper.getTableInfo(this.joinClass).getFieldList().stream()
+        TableInfo info = TableInfoHelper.getTableInfo(this.joinClass);
+        Field field = info.getFieldList().stream()
                 .filter(i -> i.getColumn().equals(bindName))
                 .map(TableFieldInfo::getField).findFirst().orElse(null);
+        if (field == null && bindName.equals(info.getKeyColumn())) {
+            this.bindField = ReflectionKit.getFieldList(joinClass).stream().filter(f ->
+                    f.getName().equals(info.getKeyProperty())).findFirst().orElse(null);
+        }
         if (field == null) {
             throw new MPJException("字段不存在 " + this.joinClass.getName() + " ，" + bindName);
         }
diff --git a/src/main/java/com/github/yulichang/interceptor/MPJInterceptor.java b/src/main/java/com/github/yulichang/interceptor/MPJInterceptor.java
index 60a9bf9..bcd61a2 100644
--- a/src/main/java/com/github/yulichang/interceptor/MPJInterceptor.java
+++ b/src/main/java/com/github/yulichang/interceptor/MPJInterceptor.java
@@ -7,7 +7,6 @@ import com.baomidou.mybatisplus.core.metadata.TableInfoHelper;
 import com.baomidou.mybatisplus.core.toolkit.CollectionUtils;
 import com.baomidou.mybatisplus.core.toolkit.Constants;
 import com.baomidou.mybatisplus.core.toolkit.StringPool;
-import com.github.yulichang.config.InterceptorConfig;
 import com.github.yulichang.interfaces.MPJBaseJoin;
 import com.github.yulichang.method.MPJResultType;
 import com.github.yulichang.toolkit.Constant;
diff --git a/src/main/java/com/github/yulichang/method/SelectJoinCount.java b/src/main/java/com/github/yulichang/method/SelectJoinCount.java
index 628d277..f573f1b 100644
--- a/src/main/java/com/github/yulichang/method/SelectJoinCount.java
+++ b/src/main/java/com/github/yulichang/method/SelectJoinCount.java
@@ -1,7 +1,6 @@
 package com.github.yulichang.method;
 
 import com.baomidou.mybatisplus.core.metadata.TableInfo;
-import com.baomidou.mybatisplus.core.toolkit.sql.SqlScriptUtils;
 import org.apache.ibatis.mapping.MappedStatement;
 import org.apache.ibatis.mapping.SqlSource;
 
diff --git a/src/main/java/com/github/yulichang/method/SqlMethod.java b/src/main/java/com/github/yulichang/method/SqlMethod.java
index 268c165..280c6d1 100644
--- a/src/main/java/com/github/yulichang/method/SqlMethod.java
+++ b/src/main/java/com/github/yulichang/method/SqlMethod.java
@@ -36,12 +36,11 @@ public enum SqlMethod {
             "<script>\n%s SELECT %s FROM %s %s %s %s %s\n</script>");
 
     private final String method;
-    private final String desc;
     private final String sql;
 
+    @SuppressWarnings("unused")
     SqlMethod(String method, String desc, String sql) {
         this.method = method;
-        this.desc = desc;
         this.sql = sql;
     }
 
@@ -49,9 +48,6 @@ public enum SqlMethod {
         return method;
     }
 
-    public String getDesc() {
-        return desc;
-    }
 
     public String getSql() {
         return sql;
diff --git a/src/main/java/com/github/yulichang/query/MPJLambdaQueryWrapper.java b/src/main/java/com/github/yulichang/query/MPJLambdaQueryWrapper.java
index 3243e32..65db62e 100644
--- a/src/main/java/com/github/yulichang/query/MPJLambdaQueryWrapper.java
+++ b/src/main/java/com/github/yulichang/query/MPJLambdaQueryWrapper.java
@@ -186,6 +186,7 @@ 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");
@@ -251,4 +252,4 @@ public class MPJLambdaQueryWrapper<T> extends AbstractLambdaWrapper<T, MPJLambda
         }
         return typedThis;
     }
-}
\ No newline at end of file
+}
diff --git a/src/main/java/com/github/yulichang/toolkit/ReflectionKit.java b/src/main/java/com/github/yulichang/toolkit/ReflectionKit.java
index ff371e9..27c14be 100644
--- a/src/main/java/com/github/yulichang/toolkit/ReflectionKit.java
+++ b/src/main/java/com/github/yulichang/toolkit/ReflectionKit.java
@@ -15,15 +15,16 @@
  */
 package com.github.yulichang.toolkit;
 
-import com.baomidou.mybatisplus.core.toolkit.*;
+import com.baomidou.mybatisplus.core.toolkit.Assert;
+import com.baomidou.mybatisplus.core.toolkit.ClassUtils;
+import com.baomidou.mybatisplus.core.toolkit.CollectionUtils;
+import com.baomidou.mybatisplus.core.toolkit.ExceptionUtils;
 import org.apache.ibatis.logging.Log;
 import org.apache.ibatis.logging.LogFactory;
 import org.springframework.core.GenericTypeResolver;
 
-import java.lang.reflect.AccessibleObject;
 import java.lang.reflect.Field;
 import java.lang.reflect.Modifier;
-import java.security.AccessController;
 import java.util.*;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.stream.Collectors;
@@ -140,11 +141,11 @@ public final class ReflectionKit {
              * 中间表实体重写父类属性 ` private transient Date createTime; `
              */
             return fieldMap.values().stream()
-                /* 过滤静态属性 */
-                .filter(f -> !Modifier.isStatic(f.getModifiers()))
-                /* 过滤 transient关键字修饰的属性 */
-                .filter(f -> !Modifier.isTransient(f.getModifiers()))
-                .collect(Collectors.toList());
+                    /* 过滤静态属性 */
+                    .filter(f -> !Modifier.isStatic(f.getModifiers()))
+                    /* 过滤 transient关键字修饰的属性 */
+                    .filter(f -> !Modifier.isTransient(f.getModifiers()))
+                    .collect(Collectors.toList());
         });
     }
 
@@ -159,12 +160,12 @@ public final class ReflectionKit {
     public static Map<String, Field> excludeOverrideSuperField(Field[] fields, List<Field> superFieldList) {
         // 子类属性
         Map<String, Field> fieldMap = Stream.of(fields).collect(toMap(Field::getName, identity(),
-            (u, v) -> {
-                throw new IllegalStateException(String.format("Duplicate key %s", u));
-            },
-            LinkedHashMap::new));
+                (u, v) -> {
+                    throw new IllegalStateException(String.format("Duplicate key %s", u));
+                },
+                LinkedHashMap::new));
         superFieldList.stream().filter(field -> !fieldMap.containsKey(field.getName()))
-            .forEach(f -> fieldMap.put(f.getName(), f));
+                .forEach(f -> fieldMap.put(f.getName(), f));
         return fieldMap;
     }