diff --git a/src/main/java/com/book/demo/mapper/BookMapper.java b/src/main/java/com/book/demo/mapper/BookMapper.java
index 6c128c1..f8a232b 100644
--- a/src/main/java/com/book/demo/mapper/BookMapper.java
+++ b/src/main/java/com/book/demo/mapper/BookMapper.java
@@ -24,6 +24,6 @@ public interface BookMapper {
     Book[] searchBooks(String bookname);
     @Delete("delete from book where bookname=#{bookname}")
     int deleteByBookName(String bookname);
-    @Insert("insert into book values (#{bookname},#{price},#{kind})")
+    @Insert("insert into book (bookname,kind,price) values (#{bookname},#{kind},#{price})")
     int Insert(Book book);
 }
diff --git a/src/main/java/com/book/demo/mapper/CartMapper.java b/src/main/java/com/book/demo/mapper/CartMapper.java
index a25228a..93e5c4e 100644
--- a/src/main/java/com/book/demo/mapper/CartMapper.java
+++ b/src/main/java/com/book/demo/mapper/CartMapper.java
@@ -7,7 +7,7 @@ import org.springframework.stereotype.Repository;
 @Repository
 @Mapper
 public interface CartMapper {
-    @Insert("insert into cart values (#{username},#{bookname})")
+    @Insert("insert into cart (username,bookname) values (#{username},#{bookname})")
     int insertItem(String username,String bookname);
     @Delete("delete from cart where username=#{username}")
     void clearCart(String username);
diff --git a/src/main/java/com/book/demo/mapper/OrderMapper.java b/src/main/java/com/book/demo/mapper/OrderMapper.java
index 5071b6d..1527e04 100644
--- a/src/main/java/com/book/demo/mapper/OrderMapper.java
+++ b/src/main/java/com/book/demo/mapper/OrderMapper.java
@@ -1,9 +1,7 @@
 package com.book.demo.mapper;
 
 import com.book.demo.entity.Order;
-import org.apache.ibatis.annotations.Insert;
-import org.apache.ibatis.annotations.Mapper;
-import org.apache.ibatis.annotations.Select;
+import org.apache.ibatis.annotations.*;
 import org.springframework.stereotype.Repository;
 
 import java.util.Date;
@@ -13,7 +11,10 @@ import java.util.Date;
 public interface OrderMapper {
     @Select("select * from order where username=#{username}")
     Order[] getOrderByName(String username);
-    @Insert("insert into order (username,date,state) values(#{username},#{date},0)")
-    int createOrder(String username, Date data);
-
+    @Insert("insert into order (username,ortime,state) values(#{username},#{date},0)")
+    int createOrder(String username, Date date);
+    @Delete("delete from order where id=#{orderid}")
+    int deleteOrder(String orderid);
+    @Update("update order set state=#{states} where id=#{orderid}")
+    int updateOrder(String orderid,int states);
 }