diff --git a/talkonlineweb/src/main/java/com/lyms/talkonlineweb/controller/ArticleController.java b/talkonlineweb/src/main/java/com/lyms/talkonlineweb/controller/ArticleController.java
index cd19fad..3341174 100644
--- a/talkonlineweb/src/main/java/com/lyms/talkonlineweb/controller/ArticleController.java
+++ b/talkonlineweb/src/main/java/com/lyms/talkonlineweb/controller/ArticleController.java
@@ -302,7 +302,7 @@ public class ArticleController {
      * 文章序号是否重复
      * @param  aid 修改时用
      * @param  iid 疾病id
-     * @param  serialNumber 序号（0-100）
+     * @param  serialNumber 序号（1-100）
      * @return true 可以使用，false已经存在
      */
     @GetMapping("getSerialNumberYn")
@@ -329,6 +329,32 @@ public class ArticleController {
         }
         return baseResponse;
     }
+    /**
+     * 根据疾病iid获取文章序号
+     * @param  iid 疾病id
+     * @return int serialNumber(0-100)
+     */
+    @GetMapping("getSerialNumber")
+    public BaseResponse getSerialNumber(Integer iid){
+        BaseResponse baseResponse=new BaseResponse();
+        try {
+           Integer serialNumber=lymsArticleService.getSerialNumber(iid);
+           if(null==serialNumber){
+               baseResponse.setObject(1);
+           }else {
+               if(serialNumber<100){//序号100的时候返回null（前端处理不许再添加）
+                   baseResponse.setObject(serialNumber+1);
+               }
+           }
+            baseResponse.setErrorcode(0);
+            baseResponse.setErrormsg("成功");
+        } catch (Exception e) {
+            baseResponse.setErrorcode(1);
+            baseResponse.setErrormsg("失败");
+            e.printStackTrace();
+        }
+        return baseResponse;
+    }
 
 
 }
diff --git a/talkonlineweb/src/main/java/com/lyms/talkonlineweb/mapper/LymsArticleMapper.java b/talkonlineweb/src/main/java/com/lyms/talkonlineweb/mapper/LymsArticleMapper.java
index 3d3d405..3492b57 100644
--- a/talkonlineweb/src/main/java/com/lyms/talkonlineweb/mapper/LymsArticleMapper.java
+++ b/talkonlineweb/src/main/java/com/lyms/talkonlineweb/mapper/LymsArticleMapper.java
@@ -3,6 +3,7 @@ package com.lyms.talkonlineweb.mapper;
 import com.lyms.talkonlineweb.domain.LymsArticle;
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import com.sun.corba.se.impl.ior.OldJIDLObjectKeyTemplate;
+import org.apache.ibatis.annotations.Param;
 import org.apache.ibatis.annotations.Select;
 
 import java.util.List;
@@ -28,6 +29,9 @@ public interface LymsArticleMapper extends BaseMapper<LymsArticle> {
 
     @Select("SELECT COUNT(1) cnt FROM lyms_pushedart")
     Map<String, Object> sumPush();
+
+    @Select("SELECT MAX(serial_number) FROM `lyms_article` WHERE iid=#{iid}")
+    Integer getSerialNumber(@Param("iid") Integer iid);
 }
 
 
diff --git a/talkonlineweb/src/main/java/com/lyms/talkonlineweb/service/LymsArticleService.java b/talkonlineweb/src/main/java/com/lyms/talkonlineweb/service/LymsArticleService.java
index 80714e4..2626b2d 100644
--- a/talkonlineweb/src/main/java/com/lyms/talkonlineweb/service/LymsArticleService.java
+++ b/talkonlineweb/src/main/java/com/lyms/talkonlineweb/service/LymsArticleService.java
@@ -16,4 +16,6 @@ public interface LymsArticleService extends IService<LymsArticle> {
     List<Map<String, Object>> getArtStat();
 
     Map<String, Object> getArtPushStat();
+
+    Integer getSerialNumber(Integer iid);
 }
diff --git a/talkonlineweb/src/main/java/com/lyms/talkonlineweb/service/impl/LymsArticleServiceImpl.java b/talkonlineweb/src/main/java/com/lyms/talkonlineweb/service/impl/LymsArticleServiceImpl.java
index 577f06e..28fc6e3 100644
--- a/talkonlineweb/src/main/java/com/lyms/talkonlineweb/service/impl/LymsArticleServiceImpl.java
+++ b/talkonlineweb/src/main/java/com/lyms/talkonlineweb/service/impl/LymsArticleServiceImpl.java
@@ -48,6 +48,11 @@ public class LymsArticleServiceImpl extends ServiceImpl<LymsArticleMapper, LymsA
 
         return rs;
     }
+
+    @Override
+    public Integer getSerialNumber(Integer iid) {
+        return lymsArticleMapper.getSerialNumber(iid);
+    }
 }