diff --git a/app/src/main/java/com/ellen/dhcsqlite/Student.java b/app/src/main/java/com/ellen/dhcsqlite/Student.java
index 692fc32..2178dad 100644
--- a/app/src/main/java/com/ellen/dhcsqlite/Student.java
+++ b/app/src/main/java/com/ellen/dhcsqlite/Student.java
@@ -14,7 +14,7 @@
 public class Student {
 
     //主键
-    @MajorKey
+    @MajorKey(isAutoIncrement = true)
     private int id;
     @DhcSqlFieldName("my_name") //映射数据库中字段名字为my_name
     private String name;
@@ -30,6 +30,7 @@ public class Student {
     @DhcSqlFieldName("your_father")
     private Father father;
     @DataStructure //表示这个属性是数据类型属性，需要用注解区分，才能正确的进行json映射，否则会报错
+    @DhcSqlFieldName("爸爸们")
     private Father[] fathers;
 
     public Student(int id, String name, int age, String phoneNumber, String address) {
diff --git a/dhcsqlitelibrary/src/main/java/com/ellen/dhcsqlitelibrary/table/Proxy/AutoOperateProxy.java b/dhcsqlitelibrary/src/main/java/com/ellen/dhcsqlitelibrary/table/Proxy/AutoOperateProxy.java
index f9caee5..c25ab04 100644
--- a/dhcsqlitelibrary/src/main/java/com/ellen/dhcsqlitelibrary/table/Proxy/AutoOperateProxy.java
+++ b/dhcsqlitelibrary/src/main/java/com/ellen/dhcsqlitelibrary/table/Proxy/AutoOperateProxy.java
@@ -27,10 +27,10 @@
 
 public class AutoOperateProxy implements InvocationHandler {
 
-    private ZxyTable zxyReflectionTable;
+    private ZxyTable zxyTable;
 
     public AutoOperateProxy(ZxyTable zxyTable) {
-        this.zxyReflectionTable = zxyTable;
+        this.zxyTable = zxyTable;
     }
 
     @RequiresApi(api = Build.VERSION_CODES.O)
@@ -69,23 +69,23 @@ public Object invoke(Object proxy, Method method, Object[] args) throws Throwabl
             if(orderSql != null && orderSql.equals("")){
                 orderSql = null;
             }
-            return zxyReflectionTable.search(newSql(whereSql, method, args), orderSql);
+            return zxyTable.search(newSql(whereSql, method, args), orderSql);
         }
         Delete delete = method.getAnnotation(Delete.class);
         if (delete != null) {
             String deleteSql = delete.value();
-            zxyReflectionTable.delete(newSql(deleteSql, method, args));
+            zxyTable.delete(newSql(deleteSql, method, args));
             return null;
         }
         TotalSearchSql totalSearchSql = method.getAnnotation(TotalSearchSql.class);
         if (totalSearchSql != null) {
             String totalSearchSqlString = totalSearchSql.value();
-            return zxyReflectionTable.searchDataBySql(newSql(totalSearchSqlString, method, args));
+            return zxyTable.searchDataBySql(newSql(totalSearchSqlString, method, args));
         }
         TotalSql totalSql = method.getAnnotation(TotalSql.class);
         if (totalSql != null) {
             String totalSqlString = totalSql.value();
-            zxyReflectionTable.exeSQL(newSql(totalSqlString, method, args));
+            zxyTable.exeSQL(newSql(totalSqlString, method, args));
             return null;
         }
         Update update = method.getAnnotation(Update.class);
@@ -94,13 +94,13 @@ public Object invoke(Object proxy, Method method, Object[] args) throws Throwabl
             String whereSql = update.whereSql();
             valueSql = newSql(valueSql,method,args);
             whereSql = newSql(whereSql,method,args);
-            StringBuilder stringBuilder = new StringBuilder("UPDATE "+zxyReflectionTable.getTableName()+" SET ");
+            StringBuilder stringBuilder = new StringBuilder("UPDATE "+zxyTable.getTableName()+" SET ");
             stringBuilder.append(valueSql);
             stringBuilder.append(" WHERE ");
             stringBuilder.append(whereSql);
             stringBuilder.append(";");
             String updateSql  = stringBuilder.toString();
-            zxyReflectionTable.exeSQL(updateSql);
+            zxyTable.exeSQL(updateSql);
             return null;
         }
         TotalUpdateSql totalUpdateSql = method.getAnnotation(TotalUpdateSql.class);
@@ -108,7 +108,7 @@ public Object invoke(Object proxy, Method method, Object[] args) throws Throwabl
             String totalUpdateSqlString = totalUpdateSql.value();
             String updateSql  =newSql(totalUpdateSqlString,method,args);
             Log.e("Ellen2018","update语句:"+updateSql);
-            zxyReflectionTable.exeSQL(updateSql);
+            zxyTable.exeSQL(updateSql);
             return null;
         }
         SearchByMajorKey searchByMajorKey = method.getAnnotation(SearchByMajorKey.class);
@@ -118,17 +118,17 @@ public Object invoke(Object proxy, Method method, Object[] args) throws Throwabl
             if(orderSql != null && orderSql.equals("")){
                 orderSql = null;
             }
-            String majorKeyName = zxyReflectionTable.getMajorKeyName();
+            String majorKeyName = zxyTable.getMajorKeyName();
             if(!TextUtils.isEmpty(majorKeyName)) {
                 if(whereSql.contains("{}")) {
-                    whereSql = whereSql.replace("{}", zxyReflectionTable.getMajorKeyName());
+                    whereSql = whereSql.replace("{}", zxyTable.getMajorKeyName());
                 }else {
-                    whereSql = zxyReflectionTable.getMajorKeyName() + " "+whereSql;
+                    whereSql = zxyTable.getMajorKeyName() + " "+whereSql;
                 }
             }else {
                 throw new NoPrimaryKeyException("没有主键,无法根据主键查询数据!");
             }
-            return zxyReflectionTable.search(newSql(whereSql,method,args),orderSql);
+            return zxyTable.search(newSql(whereSql,method,args),orderSql);
         }
         return null;
     }
diff --git a/dhcsqlitelibrary/src/main/java/com/ellen/dhcsqlitelibrary/table/annotation/MajorKey.java b/dhcsqlitelibrary/src/main/java/com/ellen/dhcsqlitelibrary/table/annotation/MajorKey.java
index 9ffa28b..b7af65c 100644
--- a/dhcsqlitelibrary/src/main/java/com/ellen/dhcsqlitelibrary/table/annotation/MajorKey.java
+++ b/dhcsqlitelibrary/src/main/java/com/ellen/dhcsqlitelibrary/table/annotation/MajorKey.java
@@ -8,4 +8,5 @@
 @Target(ElementType.FIELD)
 @Retention(RetentionPolicy.RUNTIME)
 public @interface MajorKey{
+    boolean isAutoIncrement() default false;
 }
diff --git a/dhcsqlitelibrary/src/main/java/com/ellen/dhcsqlitelibrary/table/reflection/ZxyTable.java b/dhcsqlitelibrary/src/main/java/com/ellen/dhcsqlitelibrary/table/reflection/ZxyTable.java
index 9070657..deb8e33 100644
--- a/dhcsqlitelibrary/src/main/java/com/ellen/dhcsqlitelibrary/table/reflection/ZxyTable.java
+++ b/dhcsqlitelibrary/src/main/java/com/ellen/dhcsqlitelibrary/table/reflection/ZxyTable.java
@@ -119,7 +119,12 @@ private void getFields() {
             SQLField sqlField = null;
             if (majorKeykey != null) {
                 //这里是主键
-                sqlField = SQLField.getPrimaryKeyField(fieldName, fieldType, false);
+                boolean isAutoIncrement = majorKeykey.isAutoIncrement();
+                if(isAutoIncrement){
+                    sqlField = SQLField.getPrimaryKeyField(fieldName, fieldType, true);
+                }else {
+                    sqlField = SQLField.getPrimaryKeyField(fieldName, fieldType, false);
+                }
                 majorKeyField = field;
                 majorKeySqlField = sqlField;
             } else {