diff --git a/src/main/java/com/peanut/modules/bookAbroad/controller/OrderController.java b/src/main/java/com/peanut/modules/bookAbroad/controller/OrderController.java
index 2e532ff..c188a34 100644
--- a/src/main/java/com/peanut/modules/bookAbroad/controller/OrderController.java
+++ b/src/main/java/com/peanut/modules/bookAbroad/controller/OrderController.java
@@ -1,5 +1,6 @@
 package com.peanut.modules.bookAbroad.controller;
 
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.toolkit.IdWorker;
 import com.github.promeg.pinyinhelper.Pinyin;
 import com.peanut.common.utils.R;
@@ -11,6 +12,7 @@ import com.peanut.modules.book.service.UserEbookBuyService;
 import com.peanut.modules.common.entity.BookEntity;
 import com.peanut.modules.common.entity.BuyOrder;
 import com.peanut.modules.common.entity.MyUserEntity;
+import com.peanut.modules.common.entity.UserEbookBuyEntity;
 import com.peanut.modules.common.service.BookService;
 import com.peanut.modules.common.service.MyUserService;
 import lombok.extern.slf4j.Slf4j;
@@ -44,6 +46,12 @@ public class OrderController {
     @RequestMapping("/placeOrder")
     @Transactional
     public R createOrder(@RequestBody BuyOrder buyOrder){
+        int count = userEbookBuyService.count(new LambdaQueryWrapper<UserEbookBuyEntity>()
+                .eq(UserEbookBuyEntity::getUserId,ShiroUtils.getUId())
+                .eq(UserEbookBuyEntity::getBookId,buyOrder.getAbroadBookId()));
+        if (count>0){
+            return R.error("已购买");
+        }
         buyOrder.setUserId(ShiroUtils.getUId());
         buyOrder.setCome(3);//3 海外读书
         BookEntity bookEntity = bookService.getById(buyOrder.getAbroadBookId());