diff --git a/aucma-base/src/main/java/com/aucma/base/mapper/BaseDeviceParamMapper.java b/aucma-base/src/main/java/com/aucma/base/mapper/BaseDeviceParamMapper.java
index 1698e39..f448cc5 100644
--- a/aucma-base/src/main/java/com/aucma/base/mapper/BaseDeviceParamMapper.java
+++ b/aucma-base/src/main/java/com/aucma/base/mapper/BaseDeviceParamMapper.java
@@ -1,6 +1,7 @@
 package com.aucma.base.mapper;
 
 import java.util.List;
+import org.apache.ibatis.annotations.Param;
 import com.aucma.base.domain.BaseDeviceParam;
 
 /**
@@ -67,6 +68,15 @@ public interface BaseDeviceParamMapper
      */
     public List<BaseDeviceParam> selectByParamCodes(List<String> paramCodes);
 
+    /**
+     * 校验参数编号唯一性
+     *
+     * @param paramCode 参数编号
+     * @param excludeObjId 排除的主键（更新时使用）
+     * @return 已存在数量
+     */
+    public int countByParamCode(@Param("paramCode") String paramCode, @Param("excludeObjId") Long excludeObjId);
+
     /**
      * 批量新增设备参数
      *
diff --git a/aucma-base/src/main/java/com/aucma/base/service/impl/BaseDeviceParamServiceImpl.java b/aucma-base/src/main/java/com/aucma/base/service/impl/BaseDeviceParamServiceImpl.java
index 8a78d0e..f86907c 100644
--- a/aucma-base/src/main/java/com/aucma/base/service/impl/BaseDeviceParamServiceImpl.java
+++ b/aucma-base/src/main/java/com/aucma/base/service/impl/BaseDeviceParamServiceImpl.java
@@ -59,6 +59,14 @@ public class BaseDeviceParamServiceImpl implements IBaseDeviceParamService
     @Override
     public int insertBaseDeviceParam(BaseDeviceParam baseDeviceParam)
     {
+        String paramCode = baseDeviceParam.getParamCode();
+        int count = baseDeviceParamMapper.countByParamCode(paramCode, null);
+        System.out.println(count + paramCode);
+        // 校验参数编号唯一
+        if (count > 0)
+        {
+            throw new ServiceException("参数编号已存在：" + paramCode);
+        }
         return baseDeviceParamMapper.insertBaseDeviceParam(baseDeviceParam);
     }
 
@@ -71,6 +79,13 @@ public class BaseDeviceParamServiceImpl implements IBaseDeviceParamService
     @Override
     public int updateBaseDeviceParam(BaseDeviceParam baseDeviceParam)
     {
+        String paramCode = baseDeviceParam.getParamCode();
+        int count = baseDeviceParamMapper.countByParamCode(paramCode, baseDeviceParam.getObjId());
+        System.out.println(count + paramCode + baseDeviceParam.getObjId());
+        if (count > 0)
+        {
+            throw new ServiceException("参数编号已存在：" + baseDeviceParam.getParamCode());
+        }
         return baseDeviceParamMapper.updateBaseDeviceParam(baseDeviceParam);
     }
 
diff --git a/aucma-base/src/main/resources/mapper/base/BaseDeviceParamMapper.xml b/aucma-base/src/main/resources/mapper/base/BaseDeviceParamMapper.xml
index 4211b42..9b49106 100644
--- a/aucma-base/src/main/resources/mapper/base/BaseDeviceParamMapper.xml
+++ b/aucma-base/src/main/resources/mapper/base/BaseDeviceParamMapper.xml
@@ -61,10 +61,26 @@
         </where>
     </select>
 
+    <select id="countByParamCode" resultType="int">
+        select count(1)
+        from base_deviceparam
+        where param_code = #{paramCode}
+        <if test="excludeObjId != null">
+            and obj_id &lt;&gt; #{excludeObjId}
+        </if>
+    </select>
+
     <select id="selectBaseDeviceParamByObjId" parameterType="Long" resultMap="BaseDeviceParamResult">
         <include refid="selectBaseDeviceParamVo"/>
         where dp.obj_id = #{objId}
     </select>
+    <select id="selectBaseDeviceParamByParamCode" parameterType="String" resultMap="BaseDeviceParamResult">
+        select dp.obj_id,
+               dp.param_code,
+               dp.param_name
+        from base_deviceparam dp
+        where dp.param_code = #{paramCode}
+    </select>
 
     <insert id="insertBaseDeviceParam" parameterType="BaseDeviceParam">
         <selectKey keyProperty="objId" resultType="long" order="BEFORE">