diff --git a/src/main/java/com/peanut/modules/master/service/impl/CourseToMedicalServiceImpl.java b/src/main/java/com/peanut/modules/master/service/impl/CourseToMedicalServiceImpl.java
index 552f157b..c9637d90 100644
--- a/src/main/java/com/peanut/modules/master/service/impl/CourseToMedicalServiceImpl.java
+++ b/src/main/java/com/peanut/modules/master/service/impl/CourseToMedicalServiceImpl.java
@@ -1,6 +1,8 @@
 package com.peanut.modules.master.service.impl;
 
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.peanut.common.utils.R;
 import com.peanut.modules.common.dao.CourseToMedicalDao;
 import com.peanut.modules.common.entity.CourseToMedical;
 import com.peanut.modules.master.service.CourseToMedicalService;
@@ -10,4 +12,14 @@ import org.springframework.stereotype.Service;
 @Slf4j
 @Service("masterCourseToMedicalService")
 public class CourseToMedicalServiceImpl extends ServiceImpl<CourseToMedicalDao, CourseToMedical> implements CourseToMedicalService {
+    @Override
+    public R bindCourseAndMedical(CourseToMedical toMedical) {
+        //去重
+        CourseToMedical one = this.getOne(new LambdaQueryWrapper<CourseToMedical>().eq(CourseToMedical::getCourseId, toMedical.getCourseId()).eq(CourseToMedical::getMedicalId, toMedical.getMedicalId()));
+        if(one != null){
+            return R.error(501,"绑定失败，绑定关系已将存在");
+        }
+        this.save(toMedical);
+        return R.ok();
+    }
 }