diff --git a/db/upgrade20250616.sql b/db/upgrade20250616.sql
new file mode 100644
index 0000000..da8301f
--- /dev/null
+++ b/db/upgrade20250616.sql
@@ -0,0 +1,9 @@
+CREATE TABLE `iec_104_point` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `eqmid` int(11) DEFAULT NULL,
+  `field` varchar(45) DEFAULT NULL,
+  `stype` varchar(45) DEFAULT NULL COMMENT '类型 1:遥信 2:遥测',
+  `sadr` int(11) DEFAULT NULL COMMENT '点位',
+  `create_time` datetime DEFAULT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8;
diff --git a/src/main/java/com/xydl/cac/controller/Iec104PointController.java b/src/main/java/com/xydl/cac/controller/Iec104PointController.java
index 1ac1395..349ad62 100644
--- a/src/main/java/com/xydl/cac/controller/Iec104PointController.java
+++ b/src/main/java/com/xydl/cac/controller/Iec104PointController.java
@@ -24,7 +24,7 @@ public class Iec104PointController extends BasicController {
     Iec104PointService iec104PointService;
 
     @GetMapping("list")
-    @ApiOperation("查询iec104列表")
+    @ApiOperation("查询104点表")
     public Response<List<Iec104Point>> list() {
         List<Iec104Point> result = iec104PointService.findAll();
         return Response.success(result);
@@ -32,24 +32,14 @@ public class Iec104PointController extends BasicController {
 
     @PostMapping("add")
     @ApiOperation("新增")
-    public Response<Iec104Point> add(@Validated @RequestBody Iec104Point iec104Point) {
+    public Response<Iec104Point> add(@Validated @RequestBody Iec104Point iec104Point) throws Exception {
         Iec104Point add = iec104PointService.add(iec104Point);
         return Response.success(add);
     }
 
-    @PostMapping("update")
-    @ApiOperation("更新")
-    public Response<String> update(@Validated @RequestBody Iec104Point iec104Point) throws Exception {
-        if (iec104Point.getId() == null) {
-            throw new BusinessException("id不能为空!");
-        }
-        iec104PointService.update(iec104Point);
-        return Response.success("OK");
-    }
-
     @PostMapping("del")
     @ApiOperation("删除")
-    public Response<String> del(@Validated @NotNull(message = "id不能为空!") Integer id) throws  Exception {
+    public Response<String> del(@Validated @NotNull(message = "id不能为空!") Integer id) throws Exception {
         if (id == null) {
             throw new BusinessException("id不能为空!");
         }
diff --git a/src/main/java/com/xydl/cac/entity/Iec104Point.java b/src/main/java/com/xydl/cac/entity/Iec104Point.java
index 28ecdd4..e6b930f 100644
--- a/src/main/java/com/xydl/cac/entity/Iec104Point.java
+++ b/src/main/java/com/xydl/cac/entity/Iec104Point.java
@@ -10,6 +10,7 @@ import lombok.Data;
 import lombok.NoArgsConstructor;
 
 import javax.persistence.*;
+import javax.validation.constraints.NotNull;
 import java.util.Date;
 
 @JsonInclude(JsonInclude.Include.NON_NULL)
@@ -38,6 +39,7 @@ public class Iec104Point {
     @Column(name = "stype")
     private String stype;
 
+    @NotNull(message = "点位不能为空")
     @ApiModelProperty("点位")
     @Column(name = "sadr")
     private Integer sadr;
diff --git a/src/main/java/com/xydl/cac/repository/Iec104PointRepository.java b/src/main/java/com/xydl/cac/repository/Iec104PointRepository.java
index 883c55d..9b956c0 100644
--- a/src/main/java/com/xydl/cac/repository/Iec104PointRepository.java
+++ b/src/main/java/com/xydl/cac/repository/Iec104PointRepository.java
@@ -5,6 +5,9 @@ import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
 import org.springframework.stereotype.Repository;
 
+import java.util.List;
+
 @Repository
 public interface Iec104PointRepository extends JpaRepository<Iec104Point, Integer>, JpaSpecificationExecutor<Iec104Point> {
+    List<Iec104Point> findBySadr(Integer sadr);
 }
diff --git a/src/main/java/com/xydl/cac/service/Iec104PointService.java b/src/main/java/com/xydl/cac/service/Iec104PointService.java
index df3faaa..10e41f2 100644
--- a/src/main/java/com/xydl/cac/service/Iec104PointService.java
+++ b/src/main/java/com/xydl/cac/service/Iec104PointService.java
@@ -1,6 +1,7 @@
 package com.xydl.cac.service;
 
 import com.xydl.cac.entity.Iec104Point;
+import com.xydl.cac.exception.BusinessException;
 
 import java.util.List;
 
@@ -8,9 +9,7 @@ public interface Iec104PointService {
 
     List<Iec104Point> findAll();
 
-    Iec104Point add(Iec104Point point);
-
-    void update(Iec104Point point);
+    Iec104Point add(Iec104Point point) throws BusinessException;
 
     void delete(Integer id);
 
diff --git a/src/main/java/com/xydl/cac/service/impl/Iec104PointServiceImpl.java b/src/main/java/com/xydl/cac/service/impl/Iec104PointServiceImpl.java
index 6ed78cc..2b29b12 100644
--- a/src/main/java/com/xydl/cac/service/impl/Iec104PointServiceImpl.java
+++ b/src/main/java/com/xydl/cac/service/impl/Iec104PointServiceImpl.java
@@ -1,14 +1,15 @@
 package com.xydl.cac.service.impl;
 
 import com.xydl.cac.entity.Iec104Point;
+import com.xydl.cac.exception.BusinessException;
 import com.xydl.cac.repository.Iec104PointRepository;
 import com.xydl.cac.service.Iec104PointService;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
+import org.springframework.util.CollectionUtils;
 
 import javax.annotation.Resource;
-import java.util.Collections;
 import java.util.Date;
 import java.util.List;
 
@@ -26,15 +27,15 @@ public class Iec104PointServiceImpl implements Iec104PointService {
     }
 
     @Override
-    public Iec104Point add(Iec104Point point) {
-        point.setId(null);
-        point.setCreateTime(new Date());
-        return iec104PointRepository.save(point);
-    }
-
-    @Override
-    public void update(Iec104Point point) {
-        iec104PointRepository.save(point);
+    public Iec104Point add(Iec104Point point) throws BusinessException {
+        List<Iec104Point> list = iec104PointRepository.findBySadr(point.getSadr());
+        if (CollectionUtils.isEmpty(list)) {
+            point.setId(null);
+            point.setCreateTime(new Date());
+            return iec104PointRepository.save(point);
+        } else {
+            throw new BusinessException("该点位已存在");
+        }
     }
 
     @Override